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CN107641718A - A kind of method by the nickeliferous mixing slag production with iron - Google Patents

A kind of method by the nickeliferous mixing slag production with iron Download PDF

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Publication number
CN107641718A
CN107641718A CN201710936821.XA CN201710936821A CN107641718A CN 107641718 A CN107641718 A CN 107641718A CN 201710936821 A CN201710936821 A CN 201710936821A CN 107641718 A CN107641718 A CN 107641718A
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Prior art keywords
slag
iron
copper
reaction
smelting
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张力
张武
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Northeastern University China
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Northeastern University China
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Priority to CN201710936821.XA priority Critical patent/CN107641718A/en
Priority to PCT/CN2017/115652 priority patent/WO2019071797A1/en
Publication of CN107641718A publication Critical patent/CN107641718A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/02Obtaining noble metals by dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B13/00Obtaining lead
    • C22B13/02Obtaining lead by dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B19/00Obtaining zinc or zinc oxide
    • C22B19/30Obtaining zinc or zinc oxide from metallic residues or scraps
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00Obtaining nickel or cobalt
    • C22B23/02Obtaining nickel or cobalt by dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10Obtaining alkali metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B30/00Obtaining antimony, arsenic or bismuth
    • C22B30/06Obtaining bismuth
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B58/00Obtaining gallium or indium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04Working-up slag
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention relates to a kind of method by the nickeliferous mixing slag production with iron, it comprises the following steps:S1, clinker mixing:Nickel fibers slag is added in reaction unit, the one or more added in lead metallurgical slag, blast furnace slag, slag and ferroalloy slag, form mixing slag;Mixing slag is heated to molten condition, while the one or more added in copper oxide mineral, copper sulfide mineral, nickel oxide mineral, nickel sulfide mineral, copper-contained material;It is well mixed as reaction slag, and the slag of monitoring reaction in real time, while by regulating and controlling to make mixed reaction slag while meeting condition a and condition b, obtain reacted slag;S2, separation and recovery.The method by the nickeliferous mixing slag production with iron of the present invention, the reaction time is short, technological process is short, metal recovery rate is high, production cost is low, treating capacity is big, environment-friendly, economic well-being of workers and staff is high, effective solution Metallurgical resources and heat energy high efficiente callback Utilizing question.

Description

A kind of method by the nickeliferous mixing slag production with iron
Technical field
The invention belongs to slag metallurgical technology field, and in particular to a kind of side by the nickeliferous mixing slag production with iron Method.
Background technology
During the pyrometallurgical smelting of nickel, a large amount of nickel fibers slags are produced, nickel fibers cinder ladle is included caused by " matte smelting " technique Nickel sedimentation clinker caused by dilution clinker, top blow smelting after Ni-B alloy slag, the blowing of " nickel convering of copper ice " technique.China Jinchuan is public Department carries out nickel ore concentrate smelting using " flash smelting " and " top blow smelting ", produces 1,000,000 tons of nickel fibers slags every year, adds up heap at present Storage is stored up more than 10,000,000 tons.The valuable component such as copper, iron, nickel, cobalt, zinc, lead, gold, silver in nickel fibers slag, it is long-term to stack, both Waste of resource, environment is polluted again.
Iron content is up to 50wt% in nickel fibers slag, 26wt% payable grades before remote superorder, Copper in Slag be up to 0.2wt% with On, wherein iron component mainly mutually exists with fayalite.At present, the research and utilization of nickel fibers slag mainly concentrates direct-reduction to carry iron Or deoxy iron-smelting.In reduction process, copper, nickel, the reduction of cobalt component enter molten iron, are unfavorable for follow-up steelmaking process.
The pyrometallurgical smelting process " sintering-blast furnace reduction-fuming furnace " of lead or " oxidation blowing-high lead dross reduction-fuming In the techniques such as stove ", lead metallurgical slag is produced.Lead metallurgical slag includes leaded smelting slag and fuming slag." sintering deposit blast furnace reduction " Or " solid-state high lead dross reduction " or " liquid high lead dross reduction technique " reducing process produces leaded smelting slag, leaded smelting slag passes through Fuming furnace, which is smelted, produces fuming slag, and lead metallurgical slag (fuming furnace clinker and leaded smelting slag) contains copper, gold, silver, iron, zinc, lead It is important secondary resource etc. component.Lead metallurgical slag (leaded smelting slag or fuming furnace clinker) temperature at >=1050 DEG C, smelt by lead Slag is important physics thermal resource, but also it effectively can be utilized without a kind of rational technique.
Blast furnace slag, slag and ferro-alloy cinder contain the metallic iron of high level, ferriferous oxide, chromated oxide, five oxidations Two phosphorus, SiO2, the valuable component such as CaO, MgO be important secondary resource;Melting is given off by blast furnace, converter and ferro-alloy furnace Slag temperature >=1300 DEG C, therefore, molten blast furnace slag, molten steel slag are also that important physical thermal provides with melting ferro-alloy cinder Source.It but no reasonable process is utilized, can only largely stack, cause the waste of resource and the pollution of environment.
Contain a large amount of SiO in nickel fibers slag, lead metallurgical slag, blast furnace slag, slag, ferro-alloy cinder2、CaO、MgO、Al2O3Deng Flux for metallurgy, chemical reactivity is strong, is the slag system of excellent in physical and chemical performance, is metallurgical clinker.Flowed out by metallurgical furnace Melting nickel fibers slag, fusion of lead metallurgical slag, molten blast furnace slag, molten steel slag with melting ferro-alloy cinder, contain abundant heat energy Resource, containing a large amount of hot flux for metallurgy.The fire metallurgy process of existing copper is suitable to processing copper-sulphide ores, but is difficult to handle cupric oxide Ore deposit.How copper oxide mineral, copper sulfide mineral and copper-contained material are handled simultaneously on a large scale, realize copper, the production of iron just seems outstanding To be important.
The content of the invention
(1) technical problems to be solved
In order to solve the above mentioned problem of prior art, the method that the present invention provides the nickeliferous mixing slag production with iron.Should The method reaction time is short, technological process is short, metal recovery rate is high, production cost is low, treating capacity is big, environment-friendly, economic well-being of workers and staff Height, can effectively solve Metallurgical resources and heat energy high efficiente callback Utilizing question;The present invention is a kind of new slag metallurgical technology, not only Reducing Copper in Slag makes Copper in Slag<0.1wt%, and realize copper, nickel, cobalt, gold, silver, iron, zinc, lead, indium, bismuth, sodium, potassium component High efficiente callback and the processing of cupric nickel materials, obtain low copper ferrous material (iron ore concentrate and the pig iron), and it is a large amount of to solve current clinker Accumulation, problem of environmental pollution, and heavy metal contamination problem.
(2) technical scheme
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of method by the nickeliferous mixing slag production with iron, it comprises the following steps:
S1, clinker mixing:Nickel fibers slag is added in melting reaction device, while adds lead metallurgical slag, blast furnace slag, slag With the one or more in ferroalloy slag, stirring forms mixing slag;Mixing slag is heated to molten condition, while adds oxygen Change the one or more in copper mineral, copper sulfide mineral, nickel oxide mineral, nickel sulfide mineral, copper-contained material;It is well mixed, make To react slag, and the slag of monitoring reaction in real time, make mixed reaction slag by regulation and control while meet condition a and condition b, Obtain reacted slag;
Wherein, the condition a be control reaction slag temperature be 1050~1450 DEG C;
The condition b is the reaction basicity CaO/SiO of control slag2Ratio=0.15~1.5;
S2, separation and recovery:The reacted slags of step S1, are incubated 5~50min, and separation obtains bottom molten state Copper-rich nickel phase layer, the Fe-riched phase of middle and lower part molten state and the Iron containing silicate minerals phase of middle and upper part molten state, while generation contains zinc The flue dust of component and leaded component, golden component, silver components enter copper-rich nickel phase, and nickeliferous component, cobalt containing component respectively enter copper-rich Nickel phase and Fe-riched phase;Each phase is recycled.
Method as described above, it is preferable that in the step S1, the method for condition a regulation and control is:
As 1050 DEG C of the temperature < of the reaction slag, using the heating function of reaction unit itself, or into slag Add fuel or melt nickel fibers slags, fusion of lead metallurgical slag, molten blast furnace slag, molten steel slag or melt ferroalloy slag one kind or It is a variety of, when spraying into fuel, while the oxidizing gas of preheating is sprayed into, the temperature of reaction slag is reached 1050~1450 DEG C;
As 1450 DEG C of the temperature > of the reaction slag, nickel fibers slag, copper oxide mineral, sulphur are added into reaction slag Change copper mineral, nickel oxide mineral, nickel sulfide mineral, copper-contained material, blast furnace slag, slag, ferroalloy slag, flux for metallurgy, chalybeate One or more in material or fluorine-containing material, make the temperature of hybrid reaction slag reach 1050~1450 DEG C;
It is for the condition b methods regulated and controled:
As basicity CaO/SiO in the slag of the cupric and iron2Ratio<When 0.15, basic species are added into reaction slag Material and/or alkaline ferrous material;
When cupric reacts basicity CaO/SiO in slag2Ratio>When 1.5, to reaction slag in add acid material and/or Iron-containing acidic material.
Method as described above, it is preferable that the reaction unit be attemperator or rotatable melting reaction device or The melting reaction device that can be flowed out with cinder notch or iron mouth slag;Wherein, the attemperator is dumpable melting reaction slag Filling or thermal insulation pit;
The rotatable melting reaction device is converter, melting reaction slag ladle;
The melting reaction device that can be flowed out with cinder notch or iron mouth slag is plasma heating furnace, direct current electric arc furnace, exchange Electric arc furnaces, mineral hot furnace, blast furnace, blast furnace, induction furnace, furnace cupola, side-blowing bath smelting furnace, bottom blowing molten pool smelting furnace, top blast melt Pond smelting furnace, reverberatory furnace, Ausmelt furnace, Isa furnace, watt button can husband's bath smelting furnace, side-blown rotary furnace, bottom blowing rotary furnace, tops Blow back converter.
Method as described above, it is preferable that in the step S1, while meeting the condition a and b, should expire simultaneously Foot, Cu oxide, nickel oxide, cobalt/cobalt oxide and ferriferous oxide in the reaction slag is controlled to be reduced to metallic copper, gold respectively Belong to nickel, metallic cobalt and FeO, metal Ferrum content in slag<3%.Can be by adding one kind in reducing agent, carbon containing ferrous material Or two kinds regulated and controled, wherein, the dosage of the reducing agent is Cu oxide, nickel oxide, cobalt/cobalt oxide and iron oxygen in slag Compound is reduced to metallic copper, nickel, cobalt and FeO theoretical amount 110~140%;The carbon containing ferrous material be steel dust and mud with The carbon containing pre-reduced pellet of cigarette ash, iron ore concentrate, iron ore concentrate carbonaceous metallized pellet, zinc hydrometallurgy volatilization kiln slag, coke furnace dust mud with Cigarette ash.
Method as described above, it is preferable that the nickel fibers slag is Ni-B alloy slag, " copper caused by " matte smelting " technique The blowing slag after blowing slag, the blowing of " nickel convering of copper ice " technique after the blowing of ice nickel convering " technique is through dilution stove caused by dilution Ni-B alloy slag caused by slag, top blow smelting, Ni-B alloy slag caused by top blow smelting through electric furnace settle caused by sedimentation slag it is a kind of It is or a variety of;The nickel fibers slag is molten state or cold conditions, wherein:Nickel fibers slag is melted to be obtained by nickel fibers stove slag notch, or will Nickel fibers slag is heated to molten condition;
The blast furnace slag, slag and ferroalloy slag are molten state, or cold conditions, wherein:Molten state clinker (blast furnace slag, slag With ferroalloy slag) obtained by slag notch, or cold conditions clinker (blast furnace slag, slag and ferroalloy slag) is heated to molten condition;Institute Category slag is molten iron pre-desulfurization slag (desulfurization slag, desiliconization slag, dephosphorized slag), vessel slag, electroslag, VOD/VAD slags, VD slags, centre Bag waste;The ferro-alloy cinder be ferroalloy production process in caused clinker, including smelt carbon ferromanganese caused by clinker, Smelt clinker caused by ferrochrome, clinker caused by smelting ferronickel, clinker caused by smelting ferrovanadium, clinker caused by smelting duriron, Smelt clinker caused by ferro-niobium, clinker caused by Smelting Ferromolybdenum;
The copper oxide mineral include cuprite, black copper ore, malachite, chessy copper, chrysocolla, one kind in blue stone or It is a variety of;Copper sulfide mineral includes vitreous copper, covellite, chalcopyrite, bornite, enargite, the one or more of tetrahedrite;
The copper-contained material is blister copper copper fire refining slag, nominal group process, copper ashes, zinc smelting dreg, zinc abstraction cigarette ash and dirt Mud, Pb-Zn tailings, lead metallurgical slag, lead copper matte, setting form, fire refining of crude lead slag, lead smelting ash and dirt mud, lead-acid battery, Copper making cigarette ash and dirt mud, composition brass, cupric rubbish, containing the one or more in copper circuit board, tin metallurgical slag, tailing;Wherein, The zinc smelting dreg is zinc smelting dreg caused by zinc hydrometallurgy and pyrometallurgy of zinc, including leached mud, iron vitriol slag, copper-cadmium slag, pin iron Slag, bloodstone slag, volatilization kiln slag, zinc vertical retorting slag, blast furnace slag, vortex clinker, fuming slag, electric furnace zinc smelting slag;It is leaded Metallurgical slag is fuming furnace clinker and leaded smelting slag, " reduction of ISP imperial smelting furnaces " or " sintering deposit blast furnace reduction " or " solid-state High lead dross reduction " or " liquid high lead dross reduction technique " reducing process produce leaded smelting slag, and leaded smelting slag passes through fuming furnace Smelt and produce leaded fuming slag;The copper ashes is cupric smelting slag, slag containing copper converting, dilution waste, flotation tailings, wet method refining One or more in copper ashes, cupric smelting slag result from " matte smelting " process of the pyrometallurgical smelting process of copper;The cupric Blowing slag results from " Copper Matte Converting " process of the pyrometallurgical smelting process of copper;Dilution waste is cupric smelting slag and slag containing copper converting Waste after dilution, flotation tailings are cupric smelting slag and tailings after the ore dressing of slag containing copper converting.
Method as described above, it is preferable that the ferrous material is common iron ore concentrate, common iron ore concentrate DRI, Common iron ore concentrate sintered ore deposit, common Iron Ore Pellets, common iron ore concentrate metallized pellet, the carbon containing prereduction ball of common iron ore concentrate Group, slag, zinc smelting dreg, coke smelting smoke dust and dirt mud, steel flue dust and dirt mud, nickeliferous metallurgical slag, copper ashes, lead metallurgical slag, One or more after zinc smelting dreg, tin metallurgical slag, red mud, removing sodium in high calcium red mud, coal dust ash, pyrite cinder;The steel Flue dust includes blast furnace gas mud, bof sludge, electric furnace dust mud, heat or cold rolling sludge, sintering dust, pelletizing dust with dirt mud drum, gone out Ironworks dust, blast furnace dust, electric stove dust ash, steel rolling iron scale;
The copper-contained material and ferrous material are hot or cold conditions, wherein hot material is by metallurgical furnace discharging opening or slag notch Directly obtain;The zinc metallurgy slag of wet method and dirt mud need to through being dehydrated, dry;
The fuel and the one or more that reducing agent is in solid, liquid or gaseous fuel, with the side for being blown or feeding intake Formula sprays into, and is loaded into 0~1200 DEG C of gas, the gas is the one or more in oxidizing gas, argon gas, nitrogen;Institute It is the one or more in coal dust, coke powder, coke, flyash, bituminous coal or anthracite that solid fuel, which is stated, with reducing agent, is shaped as grain Shape or powdery, granular material granularity are 5~25mm, and granular material granularity is≤150 μm;The liquid fuel is attached most importance to reducing agent Oil, the gaseous fuel and reducing agent are coal gas and/or natural gas;
The flux for metallurgy is containing CaO or SiO2Mineral and clinker;The fluorine-containing material is fluorite, CaF2Or fluorine-containing height One or more in clinker;Described alkaline material is red mud, carbide slag, dolomite dust or life after pulverized limestone, red mud, removing sodium One or more in pulverized limestone;Described alkaline ferrous material is alkaline sintering deposit, alkaline iron ore concentrate, alkaline prereduction ball One or more in group, alkalinous metal pellet, slag or blast furnace slag;
The acid material is the one or more in silica, silica containing gold and silver, flyash, gangue;The acidity contains Iron material is CaO/SiO2≤ 1 ferrous material, acid sinter ore, acid iron ore concentrate, acid pre-reduced pellet, acid metal One or more in pelletizing, copper ashes, lead metallurgical slag, zinc smelting dreg, nickel fibers slag, tin metallurgical slag, ferroalloy slag, blast furnace slag.
Method as described above, it is preferable that in being separated and recovered in the step S2, to the copper-rich nickel phase, Fe-riched phase It can be mutually respectively processed with Iron containing silicate minerals, or two-phase will be appointed to combine processing.
Specifically, the separation and recovery in the step S2, with the following method any one of one to method five processing:
Method one, when can flow out melting reaction device using slag, walked as follows after the slag separation after the completion of reaction Suddenly:
S2-1-01, the Iron containing silicate minerals phase, carry out any of following method A-G processing;
Method A:Cement raw material is directly used as after water quenching or air cooling;
Method B:Partly or entirely return in the reaction slag and be used as hot flux for metallurgy;
Method C:The Iron containing silicate minerals are mutually used to pour devitrified glass or as mineral wool;
Method D:In Iron containing silicate minerals phase slag into melting reaction device, it is 0~1200 DEG C to be blown into temperature Oxidizing gas is preheated, and ensures silicate slag temperature>1450℃;When slag ferrous oxide weight percent content<1%, Slag after being aoxidized;Slag Direct Air-Cooled or water quenching after the oxidation, as slag cements, cement regulator, cement Additive or clinker in production;
Method E:The Iron containing silicate minerals are mutually used for the clinker for producing high added value, comprise the following steps:
E-1, into the slag of the Iron containing silicate minerals phase, add molten steel slag, lime, lime stone, ferro-alloy furnace After slag, flyash, basic iron lean ore, bauxite, molten blast furnace slag, red mud, removing sodium high calcium red mud or one kind in carbide slag or It is several, it is sufficiently mixed, obtains slag mixed material;
Preheating temperature is blown into E-2, upward slag mixed material and is 0~1200 DEG C of oxidizing gas, and ensures slag Mixed material temperature>1450℃;When ferrous oxide weight percent content<1%, the slag after being aoxidized;
Slag after E-3, the oxidation, air cooling or water quenching are carried out, the clinker of high added value is made;
Method F:The Iron containing silicate minerals phase slag is as blast furnace ironmaking raw material or direct reduction iron making raw material:It will contain After the slag air coolings of ferrosilicate mineral facies, water quenching or slow cooling, as blast furnace ironmaking or direct reduction iron making raw material, direct-reduction Afterwards, using molten point of magnetic separation separation or electric furnace, magnetic separation product is metallic iron and mine tailing, and molten point of electric furnace, product is molten iron and slag;
Or after the slag of the Iron containing silicate minerals phase is poured into attemperator, separated using following methods:It is molten The modified magnetic separation separation of slag:Slag into attemperator, is blown into the oxidizing gas of 0~1200 DEG C of preheating, and ensures it Slag temperature>1250 DEG C, complete the conversion of magnetic iron ore in slag;By the slag slow cooling after above-mentioned oxidation to room temperature, crush, magnetic Choosing, product is magnetite concentrate and mine tailing, and mine tailing is as construction material;
Method G:The Iron-containing silicate carries out reduction iron production, comprises the following steps:
G-1, ferrous material, reducing agent are added into Iron-containing silicate slag, carry out melting and reducing, monitoring reaction in real time is molten Slag, meet condition simultaneously by regulation and control:The temperature for reacting slag is 1350~1640 DEG C and the basicity CaO/SiO of reaction slag2 Ratio=0.6~2.4, the slag after the completion of being reacted;
Wherein, the method for temperature for controlling reaction slag is:
When reaction slag 1350 DEG C of temperature <, by the heating of reaction unit itself, or into slag add fuel with The oxidizing gas of preheating, the temperature of reaction slag is set to reach 1350~1640 DEG C;
As 1640 DEG C of the temperature > of reaction slag, flux for metallurgy, ferrous material or fluorine-containing material are added into reaction slag In one or more, the temperature of reaction slag is reached 1350~1640 DEG C, wherein, described flux for metallurgy be containing CaO or SiO2Mineral, specially after quartz sand, quartz sand containing gold and silver, red mud, removing sodium in red mud, carbide slag, dolomite or lime stone One or more;
The method of basicity for controlling reaction slag is:
When reacting basicity CaO/SiO in slag2Ratio<When 0.6, alkaline material and/or alkaline iron content are added into slag Material;
When reacting basicity CaO/SiO in slag2Ratio>When 2.4, acid material and/or iron-containing acidic are added into slag Material;
The oxidizing gas into slag after 0~1200 DEG C of preheating of injection is also needed to enter in G-2, the G-1 during melting and reducing Row melting and reducing, the slag formed after reduction;
G-3, separation and recovery:Using one kind in following methods:
Method I:Mixing slag after reduction is poured into insulation slag ladle, is cooled to room temperature, obtains slow cooling slag;Wherein, metal Iron is deposited to the bottom of reaction unit, forms iron and sticks together, by containing metal iron layer in remaining slow cooling slag, is crushed to 20~400 μm of granularity, Residual metallic iron and mine tailing are isolated in ore grinding, magnetic separation;
Method II:Mixing slag after reduction, cooling-sedimentation, slag-gold separation, obtain molten iron and the slag after reduction;Institute The slag after reduction is stated, slag treatment is carried out according to one or more of methods in method A~E;The molten iron, be sent to converter or Electric furnace steel making;
S2-1-02, the copper-rich nickel phase, it is sent to converter or converting furnace copper metallurgy or the raw material as the separation of copper cobalt nickel;
S2-1-03, the part component containing zinc and leaded component volatilization, in the form of an oxide into flue dust;
S2-1-04, partly contain golden component with entering copper-rich nickel phase containing silver components, nickel, cobalt component respectively enter copper-rich nickel phase With Fe-riched phase;
After S2-1-05, the Fe-riched phase layer carry out water quenching or air cooling or pour into attemperator slow cooling, as blast furnace nickel metallurgy iron Raw material or direct-reduction nickel metallurgy iron material or iron making by smelting reduction ferronickel raw material or flotation carry copper raw material;In floatation process, flotation production Thing is copper concentrate, nickel ore concentrate, nickel-containing alloys and iron ore concentrate, iron ore concentrate as blast furnace ironmaking raw material or direct reduction iron making raw material or Iron making by smelting reduction iron material;The Direct Reduction uses rotary hearth furnace, tunnel cave, underbody road, shaft furnace, rotary kiln or induction furnace As reduction apparatus, using gas base or coal base reduction technology, gas-based reduction uses natural gas and/or coal gas, and coal base reduction uses One or more in anthracite, bituminous coal, lignite, coking coal, coke powder or coke, it is 900~1400 DEG C to control reduction temperature, control Basicity CaO/SiO2Ratio=0.8~1.5;Coal gas caused by reduction is in slag surface second-time burning, there is provided heat, Er Qieyou The coal gas of outflow can be as drying furnace charge and the thermal source of attemperator in stove;
In addition, because containing potassium, sodium in red mud, dirt mud is with silver-colored containing lead, zinc, bismuth, indium in steel cigarette ash, so adding these During raw material, part indium component, bismuth component, component containing potassium, component volatilization containing sodium, in the form of an oxide into flue dust.
When method two, the melting reaction device that can be flowed out using slag, Fe-riched phase and the Iron-containing silicate ore deposit of acquisition One or more are handled thing phase processor method in one step process A~G described in method one, or after pouring into attemperator slow cooling Copper-rich nickel phase, be sent to converter or converting furnace or as copper cobalt nickel separation raw material.
Method three, using the rotatable converter of slag with reaction slag ladle when, obtain the Iron containing silicate minerals phase, handle One or more are handled method in one step process A~G described in method one;Or use the step of method one containing the Fe-riched phase Rapid S2-1-05 processing;Molten state or the copper-rich nickel phase poured into after attemperator slow cooling, are sent to converter or converting furnace or conduct The raw material of copper cobalt nickel separation,.
Method four, using the rotatable converter of slag with reaction slag ladle when, the molten state Iron containing silicate minerals phase of acquisition With Fe-riched phase, one or more are handled processing method in one step process A~G described in method one;The molten state copper-rich Nickel phase or after pouring into attemperator slow cooling, is sent to converter or converting furnace or the raw material as the separation of copper cobalt nickel,.
Method five:During using attemperator, or the melting reaction device that can be flowed out using slag, slag is poured into insulation dress When putting, following steps are carried out:
S201, sedimentation cooling:Slag is cooled to room temperature, obtains slow cooling slag;The copper-rich nickel is mutually deposited to reaction unit Bottom, form copper-rich nickel and stick together;The Iron containing silicate minerals mutually float;Centre is that slow cooling slag is Fe-riched phase, while generation contains zinc Component and leaded component;Wherein, gold, silver component moves to copper-rich nickel phase, and nickel, cobalt component move to rich ambrose alloy phase and rich iron respectively Phase;
S202, separation:The copper-rich that artificial taking-up is deposited in bottom sticks together, and is sent to converter or converting furnace or as the separation of copper cobalt nickel Raw material;The Fe-riched phase as blast furnace nickel metallurgy iron material or direct-reduction nickel metallurgy iron material or iron making by smelting reduction ferronickel raw material or Iron making by smelting reduction ferronickel raw material or flotation carry copper raw material;Float product is containing copper concentrate, nickel ore concentrate, nickel alloy and iron ore concentrate, iron Concentrate is as blast furnace ironmaking raw material or direct reduction iron making raw material or iron making by smelting reduction iron material;
S203, the artificial Iron containing silicate minerals phase for taking out top, silicate phase is obtained as blast furnace ironmaking raw material or straight Connect reduction iron production raw material or iron making by smelting reduction iron material or cement raw material;
S204, part zinc component and lead component volatilization, in the form of an oxide into fume recovery;
S205, added with red mud or when dirt mud and these raw materials of steel cigarette ash, part indium component, bismuth component, group containing potassium Divide, component volatilization containing sodium, into fume recovery.
Method as described above, it is preferable that the oxidizing gas is the air of preheating, oxygen, oxygen-enriched air, nitrogen-sky One kind in gas, argon gas-air, oxygen-nitrogen, oxygen-argon gas.
Method as described above, it is preferable that in the step S1, described be well mixed is to mix naturally with being stirred, The mode being stirred is argon gas stirring, nitrogen gas stirring, nitrogen-argon gas mixing gas agitating, reducibility gas stirring, oxidation One or more in property Gas Stirring, electromagnetic agitation or mechanical agitation;
It is described to be settled into natural subsidence or spun down or centrifugal sedimentation in the step S2;When carrying out cooling-sedimentation The type of cooling be natural cooling or rotation cooling or centrifugation cooling, with gravity separation method be separation by shaking table during the separation, slip Groove sorts or the two is combined.
The method for mixing slag production, compared with prior art, it is characteristic of the invention that:
(1) method by the nickeliferous mixing slag production with iron of the invention, can both handle hot molten slag, make full use of Melt one kind in nickel fibers slag and fusion metallurgy slag (lead metallurgical slag, molten blast furnace slag, molten steel slag, melting ferroalloy slag) or It is several) physics thermal resource and hot flux for metallurgy, cold conditions clinker can be handled again, pass through slag mixing or cold conditions mixes, realize Slag is metallurgical modified;(2) the slag metallurgical reaction in slag is mixed, fayalite disintegrates, and ferriferous oxide fully discharges, Realization is grown up and settled, mix slag in metallic iron component aggregation, grow up and settle, Fe-riched phase include metallic iron, FeO phases, It is a variety of in fayalite phase, as blast furnace ironmaking or direct-reduction or the raw material of fused reduction iron-smelting;(3) mix in slag Copper component, nickel cobalt component, gold and silver component are enriched in copper-rich nickel phase respectively, and realize and grow up and settle;Wherein, copper-rich nickel mutually includes Have a variety of in copper, white metal, copper ice nickel, copper-rich nickel cobalt phase, Fe containing component, or part copper component enters Fe-riched phase;(4) mix Zinc component, lead component in slag are enriched in cigarette ash respectively, are reclaimed;Part component containing indium, bismuth component, component containing potassium, contain Sodium component volatilization is reclaimed into flue dust;(5) silicon in slag, calcium and phosphorus component migration are mixed, is enriched in silicate mineral Phase, float;(6) mix free cao in slag to disappear with magnesia, mixing slag is realized quenched;(7) using manual sorting, The method that magnetic separation, gravity treatment separate combination with slag gold, separation are deposited in copper-rich nickel phase, ferriferous oxide and the silicon on top of different parts Hydrochlorate mineral facies, realize copper component, nickel cobalt component, gold and silver component, iron component, indium component, bismuth component, sodium component in mixing slag With the high efficiente callback of potassium component, Copper in Slag<0.1wt%, low copper silicate phase and rich iron component can by fused reduction iron-smelting, Obtain iron ore concentrate or metallic iron;(8) solid-state cupric, iron material can be handled, reaches resource high-efficiency comprehensive utilization;(9) slag is real Existing quenched, top tailings is disappeared using limiting factor, can be used as cement raw material or construction material or be made aggregate and road instead of rubble Material or as blast furnace ironmaking and direct reduction iron making and the raw material or phosphate fertilizer of fused reduction iron-smelting;(10) this technique is molten using mixing Slag, whole process is without heating or a small amount of heat compensation;This technique is using mixing slag, and whole process is without flux for metallurgy or few Amount compensation flux for metallurgy, can handle cold conditions material.The inventive method can be continuously or discontinuously progress, meet industrial production need Will.
(3) beneficial effect
The beneficial effects of the invention are as follows:
(1) present invention realize copper component in Non-ferrous metallurgical slag and Ferrous Metallurgy clinker, iron component, zinc component, lead component, The comprehensive utilization of nickel component, cobalt component, golden component, silver components, bismuth component, sodium component, potassium component, valuable component, solve current Clinker bulk deposition, problem of environmental pollution;
(2) present invention can not only handle on a large scale ferro-alloy cinder, slag, blast furnace slag, lead metallurgical slag, containing Cu-S ore, And copper oxide mineral, copper sulfide mineral, copper-contained material can be handled;
(3) present invention can handle cold conditions cupric, ferrous material;
(4) raw material of the invention can be the liquid molten nickel fibers slag (>=1200 DEG C) and melting smelting flowed out in slag notch Golden slag (one or more in fusion of lead metallurgical slag, molten blast furnace slag, molten steel slag, melting ferroalloy slag, >=1050 DEG C), tool There is the characteristics of high-temperature, high heat, take full advantage of slag physics thermal resource;Mix in slag containing substantial amounts of hot metallurgical molten Agent, all it is the slag system of excellent in physical and chemical performance, realizes the efficient utilization of Metallurgical resources and thermal resource;Take full advantage of The characteristics of mixing slag high reactive chemistry activity, realize slag metallurgy;
(5) present invention is mixed by slag, insulation or blowing gas, makes copper group in slag, nickel cobalt component, golden component and silver Component is enriched to copper-rich nickel phase;Wherein, copper-rich nickel mutually also includes copper phase, white metal, copper ice nickel, copper-rich nickel cobalt phase, Fe containing component In it is a variety of, realize aggregation, grow up and settle, or part copper component enters Fe-riched phase, realizes and assembles, grows up and settle, Fu Tie Mutually include metallic iron, FeO phases, a variety of in fayalite phase, as blast furnace ironmaking or direct-reduction or fused reduction iron-smelting Raw material;Lead component is enriched in flue dust with zinc component and reclaimed;Indium component, bismuth component, sodium component, potassium component volatilization, enter Flue dust is reclaimed;
(6) in the inventive method, cold conditions material too high, the raising attemperator that with melting nickel slag avoids slag temperature is added Life-span;Add cold conditions material and improve feed throughput with melting nickel slag, can not only handle molten slag, and can locate A small amount of cold conditions material is managed, adaptability to raw material is strong;Adding cold conditions material realizes the chemical heat and slag of the release of slag metallurgical reaction The efficient utilization of physical thermal;
(7) in the inventive method natural cooling process, copper component, nickel cobalt component, gold and silver component are enriched in respectively in slag Copper-rich nickel phase, and realize aggregation, grow up and settle, iron component is enriched in Fe-riched phase in slag, and realizes aggregation, grows up and sink Drop;Attemperator equipped with slag, which is placed on rotation platform, to be rotated, accelerate copper-rich nickel phase, Fe-riched phase aggregation, grow up and settle; The addition of fluorine-containing material, accelerate copper-rich nickel phase, Fe-riched phase aggregation, grow up and settle;
(8) in the inventive method silicate mineral phase, free cao disappears with free oxidation magnesium, and mineral grindability increases Add, slag is realized quenched;
(9) method that the inventive method is separated using manual sorting, magnetic separation, gravity treatment or slag-gold, respectively to being distributed on Portion, middle part ferrosilicate mineral facies low with bottom, Fe-riched phase, copper-rich nickel are mutually separated, and realize copper component in slag, nickel group Divide, the high efficiente callback of cobalt component, gold and silver component, indium component, bismuth component, iron component, the Iron-containing silicate phase of acquisition and rich iron group The Copper in Slag divided<0.1wt%, in being deposited in due to copper-rich nickel phase, Fe-riched phase, bottom, therefore, it is small to sort slag amount, mineral Grindability increase, ore grinding, magnetic separation and gravity treatment cost are low;Follow-up separation process uses magnetic separation or gravity treatment, and the medium of separation is water, Will not generation environment pollution in separation process;Mine tailing makees aggregate as cement raw material, construction material, instead of rubble, road material uses.
(10) present invention is mutually settled by copper-rich nickel, and the copper content of Iron-containing silicate phase and rich iron component is less than 0.1%, makees For blast furnace ironmaking or direct-reduction or the raw material of melting and reducing, metallic iron and molten iron are obtained.
(11) present invention had both made full use of liquid slag physics thermal resource and hot flux for metallurgy, can handle cold conditions stove again Slag, slag metallurgy is realized, copper component, nickel component, cobalt component, gold and silver component are enriched in copper-rich nickel phase in slag, and realize poly- Collect, grow up and settle, iron component is enriched in Fe-riched phase, realizes aggregation, grows up and settle, separation is deposited in the copper-rich of different parts Nickel phase and Fe-riched phase, realize the high efficiente callback of valuable component in slag;Solid-state copper-contained material, this method technological process can be handled It is short, metal recovery rate is high, production cost is low, adaptability to raw material is strong, treating capacity is big, environment-friendly, economic well-being of workers and staff is high, can solve smelting Golden resource and heat energy high efficiente callback Utilizing question.
Embodiment
The present invention provides a kind of method by the nickeliferous mixing slag production with iron, specifically includes following steps:
Step 1, clinker mixes:
By nickel fibers slag, add in insulation transposition or in the melting reaction device that slag can flow out, and add lead metallurgical slag One or more in (fuming furnace clinker and/or leaded smelting slag), blast furnace slag, slag and ferroalloy slag, form mixing slag; Add one or both of copper oxide mineral, copper sulfide mineral, nickel oxide mineral, nickel sulfide mineral, copper-contained material simultaneously;It is mixed Close and uniformly react slag, and the slag of monitoring reaction in real time with iron as nickeliferous, pass through regulation and control guarantee simultaneously following (a) and (b) two Individual parameter, the slag after the completion of being reacted;(a) the nickeliferous temperature with iron reaction slag is 1050~1450 DEG C;
(b) the nickeliferous basicity CaO/SiO with iron reaction slag2Ratio=0.15~1.5;
Regulation and control method is:
Corresponding (a):The temperature for controlling the nickeliferous reaction slag with iron is in the method for design temperature scope:
When the temperature < design temperature range lower limits of nickeliferous and iron reaction slag, pass through the heating of reaction unit itself Function, or fuel or melting nickel fibers slag, fusion of lead metallurgical slag, molten blast furnace slag, molten steel slag or melting are added into slag The one or more of ferroalloy slag, when spraying into fuel, while the oxidizing gas of preheating is sprayed into, reach the temperature of reaction slag In the range of design temperature;
When the temperature > design temperature range limits of nickeliferous and iron reaction slag, into the reaction slag of cupric and iron Add nickel fibers slag, copper oxide mineral, copper sulfide mineral, nickel sulfide mineral, nickel oxide mineral, copper-contained material, blast furnace slag, steel One or more in slag, ferroalloy slag, flux for metallurgy, ferrous material or fluorine-containing material, reach the temperature of mixing slag and set In the range of constant temperature degree;
Corresponding (b):
As basicity CaO/SiO in the nickeliferous and reaction slag of iron2Ratio<When 0.15, basic species are added into reaction slag Material and/or alkaline ferrous material;
As basicity CaO/SiO in the nickeliferous and reaction slag of iron2Ratio>When 1.5, acid material is added into reaction slag And/or iron-containing acidic material;
Step 2, separate and recover:
5~50min is incubated, the slag after the completion of reaction, is settled, slag-gold separation, the rich cupro-nickel of acquisition bottom molten state, The Fe-riched phase of middle and lower part molten state and the Iron containing silicate minerals phase of middle and upper part molten state, while generate component containing zinc and leaded group Point, wherein, indium, bismuth, nickel, cobalt, gold, silver component move to the copper-rich nickel phase, and part nickel cobalt component moves to Fe-riched phase;To each Item is recycled.
Recycled using one kind in following methods:
Method one:When can flow out melting reaction device using slag, the slag after the completion of reaction carries out following steps:
(1) molten state Iron containing silicate minerals phase, slag treatment is carried out;
(2) molten state copper-rich nickel, converter or converting furnace or the raw material as the separation of copper cobalt nickel are sent to;
(3) part lead component, zinc component, indium component, bismuth component, sodium component, potassium component volatilization enter cigarette ash recovery oxidation Thing oxide enters flue dust;;
(4) Fe-riched phase carries out water quenching or air cooling or pours into attemperator slow cooling or acquisition is combined with gravity treatment through manual sorting, Cupro-nickel raw material is carried as blast furnace ironmaking raw material or direct-reduction nickel metallurgy iron material or iron making by smelting reduction ferronickel raw material or flotation;Flotation Product is copper concentrate, nickel ore concentrate, nickel-containing alloys and iron ore concentrate, and iron ore concentrate is as blast furnace ironmaking raw material or direct reduction iron making raw material Or iron making by smelting reduction iron material;The Direct Reduction uses rotary hearth furnace, tunnel cave, underbody road, shaft furnace, rotary kiln or sensing Stove is as reduction apparatus, and using gas base or coal base reduction technology, gas-based reduction uses natural gas and/or coal gas, and coal base reduction is adopted With the one or more in anthracite, bituminous coal, lignite, coking coal, coke powder or coke, it is 900~1400 DEG C to control reduction temperature, control Alkaline degree CaO/SiO2Ratio=0.8~1.5.
Wherein, described (1) molten state Iron containing silicate minerals phase, any of following method A-G processing is carried out;
Method A:Iron containing silicate minerals are mutually used as cement raw material:
The water quenching of Iron containing silicate minerals phase or air cooling are directly as cement raw material or are further processed into the water of high added value Mud raw material;
Method B:Part or all of Iron containing silicate minerals mutually return to cupric reaction slag:
Part or all of Iron containing silicate minerals mutually return to cupric reaction slag, and as hot flux for metallurgy, adjustment contains Copper reacts slag composition, control cupric reaction slag temperature;
Method C:Iron containing silicate minerals mutually pour devitrified glass or as mineral wools;
Method D:Air cooling or water quenching after the oxidation of Iron-containing silicate slag:
(1) in the Iron-containing silicate slag into melting reaction device, the oxidizing gas of preheating is blown into, when slag aoxidizes Ferrous content<1%, complete the oxidation of slag, the slag after being aoxidized, wherein, the preheating temperature of oxidizing gas for 0~ 1200℃;And in whole process, ensure (c) silicate slag temperature>1450℃;
The control method that corresponding (c) is used:
When Iron-containing silicate slag temperature<1450 DEG C, spray into pre-heating fuel with preheating oxidizing gas, combustion heat release, Additional heat, or device conducting self-heating, make silicate slag temperature>1450℃;
(2) slag Direct Air-Cooled or water quenching after aoxidizing, as adding in slag cements, cement regulator, manufacture of cement Add agent or clinker;
Method E:Iron-containing silicate slag treatment produces the clinker of high added value:
In E-1, the Iron-containing silicate slag into melting reaction device, add molten steel slag, lime, lime stone, iron and close After golden clinker, flyash, basic iron lean ore, bauxite, molten blast furnace slag, red mud, removing sodium red mud or one kind in carbide slag or It is several, it is sufficiently mixed, obtains slag mixed material;
E-2, the oxidizing gas for being blown into slag mixed material preheating, work as ferrous oxide content<1%, complete slag Oxidation, the slag after being aoxidized, wherein, the preheating temperature of oxidizing gas is 0~1200 DEG C;And in whole process, Ensure (d) slag mixed material temperature>1450℃;Temprature control method is the same as the silicate slag temperature control in method D steps (1) Method processed;
Slag after E-3, oxidation, carries out air cooling or water quenching, and the clinker of high added value is made;
Method F:Iron containing silicate minerals phase slag is as blast furnace ironmaking raw material or direct reduction iron making raw material:By iron content silicon After the slag air coolings of hydrochlorate mineral facies, water quenching or slow cooling, as blast furnace ironmaking or direct reduction iron making raw material, after direct-reduction, Using molten point of magnetic separation separation or electric furnace, magnetic separation product is metallic iron and mine tailing, and molten point of electric furnace, product is molten iron and slag;
Or after the slag of the Iron containing silicate minerals phase is poured into attemperator, separated using following methods:It is molten The modified magnetic separation separation of slag:Slag into attemperator, is blown into the oxidizing gas of 0~1200 DEG C of preheating, and ensures it Slag temperature>1250 DEG C, complete the conversion of magnetic iron ore in slag;By the slag slow cooling after above-mentioned oxidation to room temperature, crush, magnetic Choosing, product is magnetite concentrate and mine tailing, and mine tailing is as construction material;
In reduction process, component containing zinc and leaded component volatilization, in the form of an oxide into flue dust;
Method G:Iron-containing silicate slag fused reduction iron-smelting:
Iron-containing silicate slag in G-1 melting reaction devices, or ferrous material is added, reducing agent is added in slag, is entered Row melting and reducing, the slag of monitoring reaction in real time, ensures following (a) and (b) two parameters simultaneously by regulation and control, obtains reaction and completes Slag afterwards;
(a) temperature for reacting slag is 1350~1640 DEG C;
(b) the basicity CaO/SiO of slag is reacted2Ratio=0.6~2.4;
Regulation and control method is:
Corresponding (a):
Control reaction slag temperature be in the method for design temperature scope:
When reacting the temperature < design temperature range lower limits of slag, by the heating function of reaction unit itself, or to Fuel and the oxidizing gas of preheating are added in slag, the temperature of reaction slag is reached in the range of design temperature;
When reacting the temperature > design temperature range limits of slag, flux for metallurgy, chalybeate are added into reaction slag One or more in material or fluorine-containing material, make the temperature of reaction slag reach in the range of design temperature;
Corresponding (b):
When reacting basicity CaO/SiO in slag2Ratio<When 0.6, alkaline material and/or alkaline iron content are added into slag Material;
When reacting basicity CaO/SiO in slag2Ratio>When 2.4, acid material and/or iron-containing acidic are added into slag Material;
Oxidizing gas of the G-2 into slag after blowing preheated carries out melting and reducing, the slag formed after reduction, wherein: The preheating temperature of oxidizing gas is 0~1200 DEG C, and during injection, ensures (a) and (b) two ginsengs simultaneously by regulation and control Number:
(a) temperature of the slag after the completion of reacting is 1350~1640 DEG C;
(b) the basicity CaO/SiO of the slag after the completion of reacting2Ratio=0.6~2.4;
Wherein, design temperature scope and basicity regulate and control method with method G steps (1);
G-3 is separated and recovered:
Using one kind in following methods:
Method I:Carry out following steps:
(a) cool down:Mixing slag after reduction is poured into insulation slag ladle, is cooled to room temperature, obtains slow cooling slag;
(b) separate:Metallic iron is deposited to the bottom of reaction unit, forms iron and sticks together, and the artificial iron that takes out sticks together;By remaining slow cooling slag
Middle containing metal iron layer, 20~400 μm of granularity is crushed to, residual metallic iron and mine tailing are isolated in ore grinding, magnetic separation;
(c) recycling of mine tailing, making aggregate, road material or phosphate fertilizer as cement raw material, construction material, instead of rubble makes With;
Method II:Carry out following steps:
(a) the mixing slag after reducing, cooling-sedimentation, slag-gold separation, molten iron and the slag after reduction are obtained;
(b) slag after reducing, carries out the outer slag treatment of stove, and concrete mode is:Using the separation and recovery method one of step 2 In method A~E in one or more, carry out the outer slag treatment of stove;
(c) molten iron, converter or electric furnace steel making are sent to;
(d) component containing zinc and leaded component volatilization, in the form of an oxide into fume recovery;
(e) part gold and silver component, indium component, bismuth component, sodium component, potassium component volatilization enter flue dust;
(f) coal gas caused by reduction is in slag surface second-time burning, there is provided heat, and also the coal gas by being flowed out in stove can Using the thermal source as drying furnace charge and attemperator;
Method two:During the melting reaction device that can be flowed out using slag, the slag after the completion of reaction carries out following steps:
(1) molten state copper-rich nickel phase, converter or converting furnace or the raw material as the separation of copper cobalt nickel are sent to;(2) molten state is rich Iron phase layer is mutually carried out with Iron containing silicate minerals using processing method is one or more of in one step process A~G described in method one Processing;
(3) partly component containing zinc and leaded component volatilization, in the form of an oxide into fume recovery;
(4) part indium component, bismuth component, sodium component, potassium component volatilization enter flue dust.
Method three:During using the rotatable converter of slag with reaction slag ladle, the slag after the completion of reaction carries out following steps:
(1) molten state Iron containing silicate minerals phase, carries out slag treatment, and specific processing mode is:Using the separation of step 2 One or more of progress slag treatments in method A~G in recovery method one;Or used containing the Fe-riched phase in method one The step of (4) handled;
(2) molten state copper-rich nickel phase or after pouring into attemperator slow cooling, is sent to converter or converting furnace or as copper cobalt nickel point From raw material;
(3) part indium component, bismuth component, sodium component, potassium component volatilization enter fume recovery;
Method four:During using the rotatable converter of slag with reaction slag ladle, the slag after the completion of reaction carries out following steps:
(1) molten state Iron containing silicate minerals phase and Fe-riched phase, carry out slag treatment, and concrete mode is:Using step 2 The one or more in method A~G in separation and recovery method one are handled;
(2) molten state copper-rich nickel phase, converter or converting furnace or the raw material as the separation of copper cobalt nickel are sent to;
(3) part lead zinc component, indium component, bismuth component, sodium component, potassium component are volatized into flue dust with oxide;
Method five:During using attemperator, or the melting reaction device that can be flowed out using slag, slag is poured into insulation dress When putting, the slag after the completion of reaction carries out following steps:
(1) sedimentation cooling:Slag after the completion of reaction is cooled to room temperature, obtains slow cooling slag;Copper-rich nickel is mutually deposited to reaction The bottom of device, form copper-rich and stick together;Iron containing silicate minerals mutually float;Copper-rich nickel phase metal stick together among Iron containing silicate minerals Slow cooling slag be Fe-riched phase, while generate component containing zinc and leaded component;Gold and silver component moves to copper-rich nickel phase;
(2) separate:The copper-rich nickel that artificial taking-up is deposited in bottom sticks together, toward converter or converting furnace or as the separation of copper cobalt nickel Raw material;The Fe-riched phase layer at middle part is as blast furnace nickel metallurgy iron material or direct-reduction nickel metallurgy iron material or iron making by smelting reduction ferronickel raw material Or flotation carries copper raw material;In floatation process, float product is copper concentrate, nickel ore concentrate, nickel alloy and iron ore concentrate, iron ore concentrate conduct Blast furnace ironmaking raw material or direct reduction iron making raw material or iron making by smelting reduction iron material;
The Direct Reduction is using rotary hearth furnace, tunnel cave, underbody road, shaft furnace, rotary kiln or induction furnace as reduction Equipment, using gas base or coal base reduction technology, gas-based reduction is natural gas and/or coal gas, coal base reduction be anthracite, bituminous coal, One or more in lignite, coking coal, coke powder or coke, reduction temperature are 900~1400 DEG C, basicity CaO/SiO2Ratio= 0.8~1.5;
(3) part lead zinc component, indium component, bismuth component, sodium component, potassium component volatilization enter flue dust.
In method as described above, it is preferable that in described step 1 and 2, nickel fibers slag is molten state or cold conditions, wherein: Melt nickel fibers slag to be obtained by nickel fibers stove slag notch, or nickel fibers slag is heated to molten condition;Nickel fibers slag is " to make sulfonium to melt After blowing slag, the blowing of " nickel convering of copper ice " technique after refining " Ni-B alloy slag, the nickel convering of copper ice caused by technique " technique blowing Blow slag through Ni-B alloy slag caused by Ni-B alloy slag caused by dilution clinker caused by dilution, top blow smelting, top blow smelting through heavy It is one or more in sedimentation slag caused by drop;
Copper material is blister copper pyro-refining slag, copper ashes, nominal group process, zinc smelting dreg, zinc abstraction cigarette ash in described step 1 With dirt mud, plumbum smelting slag, Pb-Zn tailings, lead copper matte, setting form, fire refining of crude lead slag, lead smelting ash and dirt mud, plumbic acid Battery, Copper making cigarette ash and dirt mud, composition brass, cupric rubbish, containing the one or more in copper circuit board, tin metallurgical slag, tailing; Zinc smelting dreg is zinc smelting dreg caused by zinc hydrometallurgy and pyrometallurgy of zinc, including leached mud, iron vitriol slag, copper-cadmium slag, goethite slag, Bloodstone slag, volatilization kiln slag, zinc vertical retorting slag, blast furnace slag, fuming slag, vortex clinker, electric furnace zinc smelting slag;Lead metallurgical slag is Fuming furnace clinker and leaded smelting slag, " reduction of ISP imperial smelting furnaces " or " sintering deposit blast furnace reduction " or " solid-state high lead slag is also Original " or " liquid high lead dross reduction technique " reducing process produce leaded smelting slag, and leaded smelting slag passes through fuming furnace and smelts generation Leaded fuming slag;
In described step 1 and 2, copper ashes is cupric smelting slag, slag containing copper converting, dilution waste, flotation tailings, wet method refining One or more in copper ashes, cupric smelting slag result from " matte smelting " process of the pyrometallurgical smelting process of copper;Containing copper converting Slag results from " Copper Matte Converting " process of the pyrometallurgical smelting process of copper;Dilution waste is cupric smelting slag and the dilution of slag containing copper converting Waste afterwards, flotation tailings are cupric smelting slag and tailings after the ore dressing of slag containing copper converting;Blast furnace slag, slag and ferroalloy slag are melting State, or cold conditions, wherein:Molten state clinker (lead metallurgical slag, blast furnace slag, slag and ferroalloy slag) is obtained by slag notch, or will be cold State clinker (lead metallurgical slag, blast furnace slag, slag and ferroalloy slag) is heated to molten condition;Affiliated slag is molten iron pre-desulfurization slag (desulfurization slag, desiliconization slag, dephosphorized slag), vessel slag, electroslag, VOD/VAD slags, VD slags, tundish waste;The ferro-alloy cinder For caused clinker in ferroalloy production process, including smelt clinker caused by carbon ferromanganese, smelt clinker, smelting caused by ferrochrome Clinker caused by nickel metallurgy iron, clinker caused by smelting ferrovanadium, clinker caused by smelting duriron, smelt clinker, smelting caused by ferro-niobium Refine clinker caused by molybdenum-iron.
In method as described above, it is preferable that in described step 1, copper oxide mineral includes cuprite, black copper ore, hole One or more in sparrow stone, chessy copper, chrysocolla, blue stone;Copper sulfide mineral includes vitreous copper, covellite, chalcopyrite, spot copper Ore deposit, enargite, the one or more of tetrahedrite.
In method as described above, it is preferable that in described step 1 and 2, melting reaction device that slag can flow out is can The melting reaction device of rotation or the melting reaction device with cinder notch or iron mouth;Wherein:
Described attemperator fills for dumpable melting reaction slag, thermal insulation pit;
Described rotatable melting reaction device is converter, melting reaction slag ladle;
The described melting reaction device that can be flowed out with cinder notch or iron mouth slag is plasma heating furnace, direct current electric arc furnace, friendship Flow electric arc furnaces, mineral hot furnace, blast furnace, blast furnace, induction furnace, furnace cupola, side-blowing bath smelting furnace, bottom blowing molten pool smelting furnace, top blast Bath smelting furnace, reverberatory furnace, Ausmelt furnace, Isa furnace, watt button can husband's bath smelting furnace, side-blown rotary furnace, bottom blowing rotary furnace, Top blast rotary furnace.
In described step 1, ensure following (a) and (b) two parameters simultaneously by regulation and control, while ensure copper oxygen in slag Compound, nickel oxide, cobalt/cobalt oxide and ferriferous oxide are reduced to metallic copper, metallic nickel, metallic cobalt and FeO, metallic iron in slag Content<3%.It can be regulated and controled by adding one or both of reducing agent, carbon containing ferrous material, wherein, the reduction The dosage of agent is that Cu oxide, nickel oxide, cobalt/cobalt oxide and ferriferous oxide are reduced to metallic copper, nickel, cobalt and FeO in slag Theoretical amount 110~140%;The carbon containing ferrous material is steel dust and mud and cigarette ash, the carbon containing pre-reduced pellet of iron ore concentrate, iron essence Ore deposit carbonaceous metallized pellet, zinc hydrometallurgy volatilization kiln slag, coke furnace dust mud and cigarette ash.
In described step 1 and 2, described fuel and the one or more that reducing agent is in solid, liquid or gas, with The mode of injection sprays into, and loading gas is the one or more in oxidizing gas, nitrogen, argon gas, is loaded into the preheating temperature of gas Degree is 0~1200 DEG C;Described injection method is to insert slag using refractory lance or be placed on the reaction slag of cupric and iron Portion or side are blown into;Solid fuel and one kind or more that reducing agent is in coal dust, flyash, coke powder, coke, bituminous coal or anthracite Kind, granular or powdery or bulk are shaped as, the granularity of granular material is 5~25 μm, and the granularity of granular material is≤150 μm, liquid Fluid fuel is heavy oil with reducing agent, and gaseous fuel and reducing agent are one or both of coal gas and/or natural gas;Described smelting Golden flux is containing CaO or SiO2Mineral, high calcium red mud, calcium carbide specially after quartz sand, quartz sand containing gold and silver, red mud, removing sodium One or more in slag, dolomite or lime stone;
The ferrous material is common iron ore concentrate, common iron ore concentrate DRI, common iron ore concentrate sintered ore deposit, common iron Concentrate pellet ore, common iron ore concentrate metallized pellet, the carbon containing pre-reduced pellet of common iron ore concentrate, slag, zinc smelting dreg, coke smelting Refine flue dust and dirt mud, steel flue dust and dirt mud, nickeliferous metallurgical slag, copper ashes, lead metallurgical slag, zinc smelting dreg, tin metallurgical slag, red mud, One or more after removing sodium in high calcium red mud, coal dust ash, pyrite cinder;The steel flue dust includes blast furnace gas with dirt mud drum Mud, bof sludge, electric furnace dust mud, heat (cold) roll sludge, sintering dust, pelletizing dust, go out ironworks dust, blast furnace dust, electricity Stove dedusting ash, steel rolling iron scale.
The fluorine-containing material is fluorite, CaF2Or the one or more in fluorine-containing blast furnace slag.
In method as described above, it is preferable that in described step 1 and 2, the temperature of control mixing slag is in design temperature In the method for scope:
Copper-contained material, ferrous material and fluorine-containing material are pelletizing or granular material or granulation;Wherein, the grain of granular material Spend for 5~25 μm, the granularity of granular material is≤150 μm, and granular material is sprayed into a manner of being blown, loadings gas be argon gas, One or more in nitrogen reducibility gas (coal gas and/or natural gas), oxidizing gas, being loaded into the preheating temperature of gas is 0~1200 DEG C, described injection method be using refractory lance insert slag or be placed in cupric and iron reaction slag top or Side is blown into;
Copper-contained material and ferrous material are hot or cold conditions, and described hot material is the heat of the direct output from metallurgical furnace State material, hot temperature of charge are 200~1550 DEG C.
The Zinc Hydrometallurgy Residue and dirt mud need to through being dehydrated, dry.
In above-mentioned raw material, zinc smelting dreg contains indium and bismuth, lead, silver, zinc, bismuth with cigarette ash, lead metallurgical slag and cigarette ash;It is red Contain sodium and potassium in mud, steel flue dust contains indium, bismuth, silver, sodium and potassium with dirt mud, and above material has iron, lead metallurgical slag and zinc Metallurgical slag all contains copper, and Bellamya aeruginosa contains indium and bismuth with dirt mud, therefore in the method for invention, indium, bismuth, sodium, potassium, zinc, lead meeting Enter flue dust in the form of the oxide, so as to be reclaimed.
In method as described above, it is preferable that in described step 1, the temperature of control mixing slag is in design temperature model In the method enclosed:
When mixing the temperature > design temperature upper limits of slag, nickel fibers slag, copper-contained material, ferrous material, blast furnace are added One or more in slag, slag, ferroalloy slag, flux for metallurgy or fluorine-containing material, it is therefore an objective to avoid temperature too high, protect fire resisting Material;Another effect for adding fluorine-containing material be reduce viscosity, accelerate slag in copper-rich nickel phase, Fe-riched phase aggregation, grow up with Sedimentation, be advantageous to silicate floating;
In described step 1, in slag course of reaction, copper component, nickel cobalt component, gold and silver component are enriched in copper-rich in slag Nickel phase, and realize aggregation, grow up and settle, iron component discharges from olivine, is enriched in Fe-riched phase, realizes aggregation, grows up With sedimentation, zinc component, lead component, indium component, bismuth component respectively enter flue dust in slag, are wherein returned in the form of an oxide in cigarette ash Receive, copper-rich nickel is mutually copper, white metal, copper ice nickel, copper-rich nickel cobalt, a variety of in Fe containing component, or part nickel cobalt component enter it is rich Iron phase, Fe-riched phase include a variety of in metallic iron, FeO phases, fayalite phase;
In the step 1 and 2, when adjusting basicity, described alkaline material can be red mud, electricity after pulverized limestone, red mud, removing sodium It is one or more of in rock ballast, dolomite dust or calcium lime powder;Described alkaline ferrous material is CaO/SiO2>=1 ferrous material; The alkaline ferrous material is alkaline sintering deposit, slag, ferroalloy slag, alkaline iron ore concentrate, alkaline pre-reduced pellet, alkalinous metal One or more in pellet, slag or blast furnace slag;
In the step 1 and 2, when adjusting basicity, described acid material can be one in silica, flyash, gangue Kind is a variety of;Described iron-containing acidic material is CaO/SiO2≤ 1 ferrous material, acid sinter ore, acid iron ore concentrate, acidity Pre-reduced pellet, acid metal pellet, copper ashes, lead metallurgical slag, zinc smelting dreg, nickel fibers slag, tin metallurgical slag, ferroalloy slag, The poor slugging of blast furnace Copper in Slag pyrogenic process, the one or more containing copper tailing;
In described step 1 and 2, copper-rich nickel phase, Fe-riched phase are assembled, grow up and settle in slag, are advantageous on silicate It is floating.
In above-mentioned raw material, zinc smelting dreg contains indium and bismuth, lead, silver, zinc, bismuth with cigarette ash, lead metallurgical slag and cigarette ash;It is red Contain sodium and potassium in mud, steel flue dust contains indium, bismuth, silver, sodium and potassium with dirt mud, and above material has iron, lead metallurgical slag and zinc Metallurgical slag all contains copper, and Bellamya aeruginosa contains indium and bismuth with dirt mud, therefore in the method for invention, indium, bismuth, sodium, potassium, zinc, lead meeting Enter flue dust in the form of the oxide, so as to be reclaimed.
In described step 1, while ensureing (a) and (b) two parameters, it is sufficiently mixed mixing slag, hybrid mode To mix or being stirred naturally, agitating mode is one kind in the following manner:Argon gas stirring, nitrogen gas stirring, argon-nitrogen mix Close the one or more in gas, reducibility gas stirring, oxidizing gas stirring, electromagnetic agitation, mechanical agitation, gas preheating temperature Spend for 0~1200 DEG C;
In described step 1 and 2, oxidizing gas is in air, oxygen, oxygen-enriched air, nitrogen-oxygen, argon-oxygen One kind, oxidizing gas preheating temperature is 0~1200 DEG C, and injection method is to insert slag using refractory lance or be placed in reaction Slag top or side or bottom be blown into one or more.
In method as described above, it is preferable that Direct Reduction using rotary hearth furnace, tunnel cave, underbody road, shaft furnace, return Rotary kiln, induction furnace are as reduction apparatus, and using gas base or coal base reduction technology, gas base is natural gas and/or coal gas, coal base reduction For the one or more in anthracite, bituminous coal, lignite, coking coal, coke powder, coke, reduction temperature is 900~1400 DEG C, basicity CaO/SiO2Ratio=0.7~1.9;
In described step 1 and 2, copper-contained material and ferrous material are hot or cold conditions, and described hot material is from smelting The hot material of direct output in golden stove, hot temperature of charge are 200~1750 DEG C.
In method as described above, it is preferable that in described step 2, the type of cooling be natural cooling or rotation cooling or Centrifugation cooling, subsidence style are natural subsidence or spun down or centrifugation cooling;
Further, rotate and the concrete operations of centrifugation cooling are:Device equipped with the slag after the completion of reaction is placed in rotation Turn on platform, rotated according to certain speed, rotary speed is depending on slag quality and attemperator height or depth, rotation Time is depending on slag quality and slag solidification situation;Device equipped with the slag after the completion of reaction is placed on rotation platform and revolved Turn, it is therefore an objective to accelerate copper-rich nickel phase, Fe-riched phase aggregation, grow up and settle, be advantageous to silicate floating, shorten the sedimentation time, change Kind effect of settling, improves production efficiency.
In described step 2, in the slag cooling procedure after the completion of reaction, because density is different different from mineral size, Most of copper-rich nickel phase, Fe-riched phase fall to middle and lower part;
Copper component, nickel cobalt component gold and silver component continue to be enriched in copper-rich nickel phase, and realize length in slag after the completion of reaction Greatly Fe-riched phase is enriched in sedimentation, or part;Iron component continues to be enriched in respectively Fe-riched phase in mixing slag, and realize grow up with Sedimentation.
Using as described above, Copper in Slag≤0.1% finally obtained, the rate of recovery of last iron is >=89%, the recovery of zinc Rate is >=91%, and the rate of recovery of lead is >=92%, and the accumulation rate of nickel is >=91%, and the accumulation rate of cobalt is >=91%, golden enrichment Rate is >=94%, and silver-colored accumulation rate is >=94%.
In order to preferably explain the present invention, in order to understand, by embodiment, the present invention is described in detail. Wherein, detection method used is not known what is pointed out with raw material in following examples, this area routine techniques can be used, unless separately It is described, percentage used is percetage by weight in the present invention.
When step (1) slag in example 1 below~10 mixes, pass through (a) and (b) the two parameters tools for regulating and controlling and ensureing Body is:
(a) temperature of the reaction slag of cupric and iron is 1050~1450 DEG C;
(b) the reaction slag basicity CaO/SiO of cupric and iron2Ratio=0.15~1.5;
Embodiment 1
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Will by " making sulfonium technique " technique smelting furnace slag notch obtain melting nickel fibers slag with by " nickel convering of copper ice " technique converting furnace slag notch adds direct current electric arc furnace, while adds cold conditions blast furnace slag, VOD/VAD slags and smelting Ferro-alloy cinder caused by carbon ferromanganese, the leaded smelting slag of liquid high lead dross reduction stove, mixing slag is formed, while add sulphur Change copper concentrate, oxidation nickel ore concentrate;Mixing slag is heated to molten condition, forms the reaction slag of cupric and iron, and make reaction Slag electromagnetic agitation, realize that nature mixes;The slag of monitoring reaction in real time, ensure (a) and (b) two parameters simultaneously by regulation and control, Slag after the completion of being reacted;Corresponding (a):The temperature of the reaction slag of cupric and iron is 1660 DEG C, is inserted using refractory lance Enter to react in slag, using nitrogen as gas is loaded into, spray into the copper ashes of normal temperature powdery granularity≤150 μm, containing Bellamya aeruginosa, composition brass and cupric Rubbish and containing copper circuit board, while add the common iron ore concentrate DRI of blast furnace gas mud, electric furnace dust mud, bof sludge and height Stove gas ash, temperature is set to be down to 1380 DEG C;(b):The basicity CaO/SiO of the reaction slag of cupric and iron2Ratio=2.8, to anti- Answer and silica, flyash and gangue mixture are added in slag, the reaction slag basicity ratio of cupric and iron is down to 1.4;It is molten Metal in the dreg iron content 1.1%;
Step 2, separation and recovery uses method one:
50min is incubated, slag natural subsidence, slag-gold separation, obtains molten state copper-rich nickel phase layer, Fe-riched phase layer and iron content Silicate mineral phase, while zinc component and lead component are generated, carry out following steps:(1) molten state Iron containing silicate minerals phase, enters The outer slag treatment of row stove, using method F, after silicate slag air cooling, as direct reduction iron making raw material, carried out using rotary kiln Direct-reduction, using gas-based reduction technology, gas-based reduction agent is natural gas and coal gas, and reduction temperature is 900 DEG C, basicity CaO/ SiO2Ratio is 0.8, and metallic iron and slag are separately won to obtain using magnetoelectricity stove is molten after reduction, molten to divide temperature to be 1550 DEG C;(2) molten state Copper-rich nickel phase, is sent to converter;(3) Fe-riched phase layer pours into attemperator, and blast furnace nickel metallurgy iron material is used as after air cooling;(4) zinc component, Indium component, lead component, bismuth component, potassium component, sodium component volatilization, in the form of an oxide into fume recovery, the slag finally obtained Cupric<0.1%, zinc recovery 92%, lead recovery 92%, iron recovery 92%, indium recovery 92%, bismuth recovery Rate is 94%, and the sodium rate of recovery is 95%, and the potassium rate of recovery is 96%, iron recovery 96%, and the accumulation rate of nickel is >=93%, cobalt Accumulation rate is >=95%, and golden accumulation rate is >=96%, and silver-colored accumulation rate is >=94%.Wherein, in all implementations of the present invention In example, Copper in Slag refer to rich ambrose alloy be separated after slag phase, specially Fe-riched phase and the copper content in silicate mineral phase, nickel, The accumulation rate of cobalt refers to that nickel, the content of cobalt are accounted in raw material in copper-rich nickel phase and corresponds to nickel, the percentage of cobalt total amount, the richness of gold, silver Collection rate refers to that the content of gold, silver in copper-rich nickel phase accounts for the percentage of gold, silver total amount in raw material.
Embodiment 2
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Will by " making sulfonium technique " technique smelting furnace slag notch obtain melting nickel fibers slag with by The melting nickel fibers slag that " nickel convering of copper ice " technique blowing slag obtains through dilution stove slag notch adds dumpable melting reaction slag Fill, while add the ferro-alloy cinder as caused by the molten state of slag notch acquisition smelts ferrochrome, form mixing slag, add simultaneously Aoxidize copper concentrate and nickel sulfide concentrate;It is 800 DEG C of oxygen-enriched air with preheating temperature, granularity is 20mm anthracites and char particle, and Natural GasInjecting, mixing slag is heated to molten condition, forms the reaction slag of cupric and iron, and stir reaction slag electromagnetism Mix, realize mixing;The slag of monitoring reaction in real time, ensure (a) and (b) two parameters simultaneously by regulation and control, after the completion of being reacted Slag;
1660 DEG C of corresponding (a) cupric and iron reaction slag temperature, using in refractory lance intercalation reaction slag, using argon gas as Carrier gas, spray into the copper ashes of normal temperature powdery granularity≤150 μm, containing Bellamya aeruginosa, composition brass, steel sintering dust, agglomerates of sintered pellets dust, go out Ironworks dust, common iron ore concentrate, common iron ore concentrate DRI and common iron ore concentrate sintered ore deposit, make temperature be down to 1430 DEG C; (b) cupric and iron reaction slag basicity CaO/SiO2Ratio is 2.7, and acid sinter ore, acid iron essence are added into reaction slag Ore deposit and acid pre-reduced pellet, cupric is reacted slag basicity ratio with iron and be down to 1.3;Metal Ferrum content is 3% in slag;
Step 2, separation and recovery uses method two:It is incubated 15min, the slag spun down after the completion of reaction, slag-gold point From, acquisition molten state copper-rich nickel phase layer, Fe-riched phase layer and Iron containing silicate minerals phase, while generate zinc component, lead component and indium Component, into flue dust, reclaimed in the form of an oxide, carry out following steps:(1) molten state silicate mineral phase and Fe-riched phase Layer, it is as follows using slag treatment outside method G progress stoves, slag iron making by smelting reduction ferronickel, step:(1-1) slag pours into dumpable Converter in, it be 20mm anthracites and bituminous coal to add granularity into slag, carries out melting and reducing, the slag of monitoring reaction in real time, logical Cross regulation and control and ensure that the temperature of following (a) reaction slag is 1350~1640 DEG C, and (b) reaction slag basicity CaO/SiO2Ratio= 0.6~2.4 two parameters, the slag after the completion of being reacted;Corresponding (a):The temperature of slag is 1480, in temperature range; Corresponding (b):React basicity CaO/SiO in slag2When ratio is 0.8, in alkalinity ranges;(1-2) is to slag after the completion of reaction Middle 200 DEG C of oxygen-enriched air of blowing preheated carry out melting and reducing, mix slag after forming reduction, and during injection, pass through tune Control ensures that (a) reaction slag temperature is 1350~1640 DEG C simultaneously, and (b) reaction slag basicity CaO/SiO2Ratio=0.6~ 2.4 two parameters;(1-3) is separated and recovered:(a) slag after reducing, sedimentation slag-gold separation, nickel-containing molten iron is obtained with being melted after reduction Slag;(b) slag after reducing, high added value cement raw material is made using method A processing in step 2 method one;(c) molten iron is sent to converter Or electric furnace steel making;D) component containing zinc, leaded component, bismuth component and indium component volatilization, fume recovery is entered with Z oxide forms; (e) component containing sodium, component volatilization containing potassium, into fume recovery;(2) molten state copper-rich nickel phase, is sent to converter;(3) Fe-riched phase falls Enter attemperator, blast furnace ironmaking raw material is used as after air cooling;(4) zinc component and lead component volatilization, in the form of an oxide into flue dust Recovery, the Copper in Slag finally obtained<0.1%, zinc recovery 92%, lead recovery 92%, iron recovery 91%, indium time Yield is 96%, and the bismuth rate of recovery is 96%, and the sodium rate of recovery is 97%, and the potassium rate of recovery is 98%, and the accumulation rate of nickel is >=92%, cobalt Accumulation rate be >=96%, golden accumulation rate be >=94%, silver-colored accumulation rate be >=95%.
Embodiment 3
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:By by the melting nickel fibers slag that " making sulfonium technique " technique smelting furnace slag notch obtains with by pushing up Blow bath smelting and produce smelting slag through settling the melting nickel fibers slag addition direct current electric arc furnace that electric furnace slag notch obtains, add simultaneously The slag obtained by pneumatic steelmaking slag notch, mixing slag is formed, while add copper sulfide concentrate and oxidation copper concentrate;With preheating Temperature is 800 DEG C of oxygen, and injection granularity is 20mm anthracites, char particle and coal dust, and mixing slag is heated into molten condition, shape Into cupric and the reaction slag of iron, and slag is set to realize mixing;Monitoring slag in real time, ensure (a) and (b) two simultaneously by regulation and control Individual parameter, the slag after the completion of being reacted;Corresponding (a):The temperature of the reaction slag of cupric and iron is 1685 DEG C, molten to reaction Quartz sand, red mud, dolomite and lime stone are added in slag, while is added containing Bellamya aeruginosa, lead-containing material, common iron ore pellets Ore deposit, steel rolling scale oxide and the carbon containing pre-reduced pellet of common iron ore concentrate, make temperature be down to 1340 DEG C;(b):The reaction of cupric and iron The basicity CaO/SiO of slag2Ratio=3.0, into reaction slag, addition acid metal pellet, cupric smelting slag and cupric blow The mixture of slag is refined, the basicity ratio of the reaction slag of cupric and iron is down to 1.2;Metal Ferrum content is 2.4% in slag;
Step 2, separation and recovery uses method two:12min is incubated, slag natural subsidence, slag-gold separation, obtains molten state Copper-rich nickel phase, Fe-riched phase layer and Iron containing silicate minerals phase, while component containing zinc and leaded component are generated, carry out following steps: (1) molten state copper-rich nickel phase, is sent to converter;(2) Fe-riched phase layer is mutually used as direct-reduction nickel metallurgy iron material with silicate mineral;Also During original, zinc component, lead component, bismuth component and indium component volatilization, into flue dust;In Direct Reduction, using rotary hearth furnace, Reduction temperature is 1200 DEG C, basicity CaO/SiO2Ratio=1.0, granularity are≤150 μm of anthracite and coal dust;(3) group containing zinc Point, indium component, bismuth component and leaded component volatilization, into fume recovery, Copper in Slag<0.1%, the rate of recovery of iron is 89%, zinc The rate of recovery be 93%, the rate of recovery of lead is that 92% indium recovery is 93%, the bismuth rate of recovery be 94%;The accumulation rate of nickel for >= 93%, the accumulation rate of cobalt is >=97%, and golden accumulation rate is >=95%, and silver-colored accumulation rate is >=96%.
Embodiment 4
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Cold conditions is produced what smelting slag obtained through settling electric furnace slag notch by top-blown bath melting Melt nickel fibers slag and add plasma heating furnace, while add converter slag, electric furnace slag and the smelting ferronickel obtained by slag notch and obtain The ferro-alloy cinder obtained, mixing slag is formed, while add oxidation copper concentrate and copper-contained material (zinc hydrometallurgy leached mud, wet method Zinc metallurgy volatilization kiln slag);Mixing slag is heated to molten condition, forms cupric and iron reaction slag, blowing preheated temperature is 700 DEG C argon gas, and make reaction slag realize mixing;The slag of monitoring reaction in real time, ensure (a) and (b) two ginsengs simultaneously by regulation and control Number, the slag after the completion of being reacted;The temperature of the reaction slag of corresponding (a) cupric and iron is 1670 DEG C, into reaction slag Red mud, pyrite cinder, fluorite, lead copper matte, lead-containing soot, soot containing zinc, setting form and Zinc Hydrometallurgy Residue are added, is down to temperature 1320℃;(b) the reaction slag basicity CaO/SiO of cupric and iron2Ratio is 2.9, and slag containing copper converting is added into reaction slag, Cupric is reacted slag basicity ratio with iron and be down to 1.1;Natural GasInjecting, and the char particle for being 20mm with air blown granularity, melt Metal in the dreg iron content is 2.5%;
Step 2, separation and recovery uses method four:42min is incubated, slag pours into natural cooling and settled after the completion of reaction, slag- Gold separation, obtains molten state copper-rich nickel phase, Fu Tietong phases layer and Iron containing silicate minerals phase, carries out following steps:(1) molten state Copper-rich nickel phase, is sent to converter;(2) molten state Fe-riched phase layer and side in Iron containing silicate minerals phase step 2 separation and recovery method one Method F, oxidation modification magnetic separation separation:1. slag is poured into insulation slag ladle, the oxygen-enriched sky that preheating temperature is 900 DEG C is sprayed into slag Gas, realize the conversion of magnetic iron ore;2. slow cooling magnetic separation separation, obtains iron ore concentrate and mine tailing to room temperature;(3) partly component containing zinc, bismuth Component, indium component with leaded component volatilization, into fume recovery, Copper in Slag<0.1%, the rate of recovery of iron is 90%, and zinc returns Yield is 92%, and the rate of recovery of lead is 92%, and indium recovery 94%, the bismuth rate of recovery is 94%;The accumulation rate of nickel is 95%, cobalt Accumulation rate be 94%, golden accumulation rate be 95%, silver-colored accumulation rate be 96%.
Embodiment 5
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Will by " making sulfonium technique " technique smelting furnace slag notch obtain melting nickel fibers slag, by " copper The melting nickel fibers slag that ice nickel convering " technique converting furnace slag notch obtains adds reverberatory furnace, while adds what is obtained by slag notch Converter molten steel slag, form mixing slag, oxidation copper concentrate and copper-contained material (leaded smelting slag, fuming slag, lead copper matte and arsenic Matte);With the air that preheating temperature is 800 DEG C, injection granularity is 20mm bituminous coal and coal dust, and mixing slag is heated into molten State, forms the reaction slag of cupric and iron, and reaction slag is realized mixing;The slag of monitoring reaction in real time, by regulating and controlling simultaneously Ensure (a) and (b) two parameters, the slag after the completion of being reacted;Corresponding (a):The reaction slag temperature of cupric and iron is 1310℃;(b):Cupric and iron reaction slag basicity CaO/SiO2Ratio is 1.5, in claimed range;Metallic iron in slag Content is 1.6%;
Step 2, separation and recovery uses method five:Slag after the completion of reaction is poured into thermal insulation pit, carried out molten outside stove Slag treatment, carry out following steps:(1) sedimentation cooling:42min is incubated, the slag after the completion of reaction naturally cools to room temperature, obtains Slow cooling slag;Copper-rich nickel is mutually deposited to the bottom of reaction unit, forms copper-rich nickel and sticks together;Iron containing silicate minerals mutually float;Copper-rich nickel It is Fe-riched phase that phase metal, which sticks together with slow cooling slag among silicate mineral, while is generated containing zinc and leaded component;(2) separate:Manually take The copper-rich nickel for going out to be deposited in bottom sticks together, the raw material that product separates as cupro-nickel chromium;The Fe-riched phase layer at middle part is as blast furnace nickel metallurgy iron Raw material;(3) the Iron containing silicate minerals phase on top is manually taken out, silicate mine tailing is obtained, is used as cement raw material;(4) Part zinc component and lead component volatilization, in the form of an oxide into fume recovery, Copper in Slag<0.1%, the rate of recovery of iron is 90%, the rate of recovery of zinc is 92%, and the rate of recovery of lead is 92%.
Embodiment 6
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Will by " making sulfonium technique " technique obtain cold conditions nickel fibers slag, by " nickel convering of copper ice " work The cold conditions nickel fibers slag that skill blowing slag obtains through dilution stove adds ac arc furnace, while adds iron caused by cold conditions smelting ferrovanadium Ferro-alloy cinder caused by alloy clinker and smelting duriron, mixing slag is formed, while add copper sulfide concentrate, nickel oxide essence Ore deposit, nickel sulfide concentrate and copper-contained material (cupric smelting slag, slag containing copper converting and copper fire refining slag);Mixing slag is heated to Molten condition, forms cupric and iron reaction slag, and blowing preheated temperature is 1100 DEG C of argon-nitrogen gaseous mixture and melts reaction Slag mixes;The slag of monitoring reaction in real time, ensure (a) (b) two parameter simultaneously by regulation and control, slag after the completion of being reacted;It is corresponding (a):Cupric and iron reaction slag temperature are 1040 DEG C, and oxygen-enriched air that preheating temperature is 800 DEG C, again is sprayed into reaction slag Oil, melting slag containing copper converting is added, temperature is risen to 1330 DEG C;(b):Cupric and iron reaction slag basicity CaO/SiO2Ratio is 0.1, alkaline iron ore concentrate and alkaline pre-reduced pellet are added into reaction slag, cupric is reacted slag basicity CaO/SiO with iron2 Ratio rises to 0.5;Metal Ferrum content is 0.5% in slag;
Step 2, separation and recovery uses method one:It is incubated 19min, the slag natural subsidence after the completion of reaction, slag-gold point From, molten state copper-rich nickel phase, Fe-riched phase layer and silicate mineral phase are obtained, and containing zinc and leaded component, progress following steps: (1) molten state Iron containing silicate minerals mutually use the method A of step 2 separation and recovery method one, and cement raw material is directly made in water quenching;(2) melt Melt state copper-rich nickel phase, be sent to converter;(3) rich iron layer pours into attemperator cooling, is reduced directly nickel metallurgy iron;(4) partly containing zinc with Leaded component volatilization, in the form of an oxide into fume recovery, Copper in Slag<0.1%, the rate of recovery of iron is 91%, the recovery of zinc Rate is 92%, and the rate of recovery of lead is 92%, and the accumulation rate of nickel is 95%, and the accumulation rate of cobalt is 93%, and golden accumulation rate is 94%, The accumulation rate of silver is 96%.
Embodiment 7
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Will by " making sulfonium technique " technique smelting furnace slag notch obtain melting nickel fibers slag, by " copper The melting nickel fibers slag that ice nickel convering " technique converting furnace slag notch obtains adds mineral hot furnace, while adds the smelting of slag notch acquisition Clinker caused by clinker caused by smelting ferro-niobium and Smelting Ferromolybdenum, formed mixing slag, while add oxidation copper concentrate (pyrometallurgical is poor Change waste, copper ashes flotation tailing, containing copper tailing);Mixing slag is heated to molten condition, the reaction for forming cupric and iron is melted Slag, and make reaction slag nitrogen-blow, realize mixing;The slag of monitoring reaction in real time, ensure (a) and (b) two simultaneously by regulation and control Individual parameter, the slag after the completion of being reacted;Corresponding (a):The temperature of the reaction slag of cupric and iron is 1320 DEG C;(b):Cupric With the basicity CaO/SiO of the reaction slag of iron2Ratio is 0.8, in claimed range;Natural gas is sprayed into, metallic iron in slag Content is 1.7%,
Step 2, separation and recovery uses method three:35min is incubated, by slag natural subsidence after the completion of reaction, slag-gold separation Molten state copper-rich nickel phase, Fe-riched phase, Iron containing silicate minerals phase and zinc component and lead component are obtained, carries out following steps:(1) copper-rich Nickel phase, send converter;(2) Fe-riched phase layer specifically uses the method F in the separation and recovery method one of step 2, water with silicate mineral After quenching, the raw material as direct-reduction nickel metallurgy iron;(3) partly component containing zinc and leaded component volatilization, enter in the form of an oxide Fume recovery, the Copper in Slag finally obtained<0.1%, the rate of recovery of iron is 91%, and the rate of recovery of zinc is 93%, the rate of recovery of lead For 92%, the accumulation rate of nickel is 91%, and the accumulation rate of cobalt is 97%, and golden accumulation rate is 98%, and silver-colored accumulation rate is 96%.
Embodiment 8
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Will by " making sulfonium technique " technique smelting furnace slag notch obtain melting nickel fibers slag, by " copper The melting nickel fibers slag that ice nickel convering " technique blowing slag obtains through dilution stove slag notch adds blast furnace, while adds by slagging tap Mouthful blast furnace slag and electric furnace slag that obtain, form mixing slag, at the same add copper sulfide concentrate and copper-contained material (containing Bellamya aeruginosa, Cupric rubbish and composition brass);With the air that preheating temperature is 600 DEG C, injection granularity is 20mm bituminous coal and coal dust, and mixing slag is added Heat forms the reaction slag of cupric and iron, and reaction slag is realized mixing to molten condition;The slag of monitoring reaction in real time, leads to Cross regulation and control while ensure (a) and (b) two parameters, the slag after the completion of being reacted;Corresponding (a):The reaction of cupric and iron is melted The temperature of slag is 1330 DEG C;(b):The basicity CaO/SiO of the reaction slag of cupric and iron2Ratio is 1.0, in claimed range It is interior;Metal Ferrum content is 2.1% in slag;
Step 2, separation and recovery uses method three:14min is incubated, by slag natural subsidence after the completion of reaction, slag-gold point From, copper-rich nickel phase and middle and upper part Iron containing silicate minerals phase are obtained, while generate containing zinc and leaded component, carry out following steps: (1) Iron containing silicate minerals phase, smelting apparatus is poured into, carries out the outer slag treatment of stove, specifically use step 2 separation and recovery method one Method B, middle and upper part slag is all returned to cupric and reacts slag with iron, as hot flux for metallurgy, adjustment cupric reacts with iron Slag composition, control its temperature;(2) copper-rich nickel is mutually sent to converter or converting furnace, original of the Fe-riched phase as direct-reduction nickel metallurgy iron Material;(3) partly component containing zinc and leaded component volatilization, in the form of an oxide enrichment enter fume recovery, and the slag finally obtained contains Copper<0.1%, the rate of recovery of iron is 90%, and the rate of recovery of zinc is 92%, and the rate of recovery of lead is 92%, and the accumulation rate of nickel is 97%, The accumulation rate of cobalt is 93%, and golden accumulation rate is 94%, and silver-colored accumulation rate is 96%.
Embodiment 9
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:Melting nickel of the smelting slag through sedimentation electric furnace slag notch acquisition will be produced by top-blown bath melting The melting nickel fibers slag joining side that metallurgical slag obtains with " nickel convering of copper ice " technique blowing slag through dilution stove slag notch blows back converter, The molten state blast furnace slag and VD slags obtained by slag notch is added simultaneously, forms mixing slag, while add copper sulfide and copper-containing substance Expect (copper refining copper ashes);Mixing slag is heated to molten condition, forms the reaction slag of cupric and iron, and makes reaction slag real Now it is blown argon gas mixing;The slag of monitoring reaction in real time, ensures (a) and (b) two parameters simultaneously by regulation and control, obtains reaction and completes Slag afterwards;Corresponding (a):The reaction slag temperature of cupric and iron is 1340 DEG C;(b):The reaction slag basicity of cupric and iron CaO/SiO2Ratio is 1.2, is met the requirements;The char particle for being 20mm with the air blown granularity that preheating temperature is 900 DEG C, slag Middle metal Ferrum content is 2.4%;
Step 2, separation and recovery uses method four:29min is incubated, by slag natural subsidence after the completion of reaction, slag-gold point From, copper-rich nickel phase and middle and upper part Iron containing silicate minerals phase are obtained, and containing zinc and leaded component, progress following steps:(1) melt Melt state Iron containing silicate minerals and mutually pour into smelting apparatus, using method C in step 2 separation and recovery method one, Iron containing silicate minerals Phase slag pours devitrified glass;(2) bottom molten state copper-rich nickel is mutually sent to converter processing, original of the Fe-riched phase as blast furnace nickel metallurgy iron Material;(3) partly enter fume recovery in the form of zinc oxide and lead oxide containing zinc and leaded component, finally obtain Copper in Slag< 0.1%, the rate of recovery of iron is 90%, and the rate of recovery of zinc is 92%, and the rate of recovery of lead is 92%, and the accumulation rate of nickel is 96%, cobalt Accumulation rate be 97%, golden accumulation rate be 95%, silver-colored accumulation rate be 96%.
Embodiment 10
A kind of method by the nickeliferous mixing slag production with iron, comprise the following steps:
Step 1, clinker mixes:
Smelting slag will be produced through settling the melting nickel fibers slag, " copper ice nickel that electric furnace slag notch obtains by top-blown bath melting The melting nickel fibers slag that blowing " technique blowing slag obtains through dilution stove slag notch by top-blown bath melting with producing smelting slag through heavy Drop the melting nickel fibers slag that electric furnace slag notch obtains and add thermal insulation pit, while add cold conditions slag, form mixing slag, simultaneously Add oxidation copper concentrate;With oxygen-enriched air, granularity≤150 μm bituminous coal is blown, mixing slag is heated to molten condition, formation contains Copper reacts slag, and reaction slag is realized mixing;The slag of monitoring reaction in real time, ensures (a) and (b) two simultaneously by regulation and control Parameter, the slag after the completion of being reacted;
Corresponding (a):The temperature of cupric and iron reaction slag is 1430 DEG C;
(b):The basicity CaO/SiO of cupric and iron reaction slag2Ratio is 1.5, in claimed range;Molten metal in the dreg Iron content is 1.6%;
Step 2, separation and recovery uses method five:
Slag after the completion of reaction is subjected to following steps:
(1) sedimentation cooling:48min is incubated, the slag after the completion of reaction naturally cools to room temperature, obtains slow cooling slag;Copper-rich Nickel is mutually deposited to the bottom of reaction unit, forms copper-rich nickel and sticks together;Iron containing silicate minerals mutually float;Copper-rich nickel phase metal sticks together and silicon Slow cooling slag is Fe-riched phase among hydrochlorate mineral, while generates component containing zinc and leaded component;
(2) separate:The copper-rich nickel that artificial taking-up is deposited in bottom sticks together, the raw material as Cu, Ni and Co separation;The rich iron at middle part After the direct-reduction of phase layer, magnetic separation separation metal nickel-iron;
(3) the silicate mineral phase on top is manually taken out, silicate mine tailing is obtained, is used as cement raw material;
(4) part zinc component and lead component volatilization, in the form of an oxide into fume recovery, the Copper in Slag finally obtained< 0.1%, the rate of recovery of iron is 90%, and the rate of recovery of zinc is 92%, and the rate of recovery of lead is 92%, and the accumulation rate of nickel is 95%, cobalt Accumulation rate be 96%, golden accumulation rate be 95%, silver-colored accumulation rate be 97%.
The above described is only a preferred embodiment of the present invention, being not the limitation that other forms are done to the present invention, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.

Claims (10)

  1. A kind of 1. method by the nickeliferous mixing slag production with iron, it is characterised in that it comprises the following steps:
    S1, clinker mixing:Nickel fibers slag is added in reaction unit, added in lead metallurgical slag, blast furnace slag, slag and ferroalloy slag One or more form mixing slags;Mixing slag is heated to molten condition, while adds copper oxide mineral, copper-sulphide ores One or more in thing, nickel sulfide mineral, nickel oxide mineral, copper-contained material;It is well mixed to be used as reaction slag, and supervise in real time Reaction slag is surveyed, while makes mixed reaction slag by regulation and control while meets condition a and condition b, is obtained reacted molten Slag;
    Wherein, the condition a be control reaction slag temperature be 1050~1450 DEG C;
    The condition b is the basicity CaO/SiO of control reaction slag2Ratio=0.15~1.5;
    S2, separation and recovery:The reacted slags of step S1, be incubated 5~50min, separation obtain bottom copper-rich nickel phase, in The Fe-riched phase of bottom and the Iron containing silicate minerals phase of middle and upper part, while generate the flue dust of component containing zinc and leaded component;Gold and silver Component migration, enrichment enter rich ambrose alloy phase;Nickeliferous component, cobalt containing component migrate into copper-rich nickel phase and Fe-riched phase.
  2. 2. the method as described in claim 1, it is characterised in that in the step S1, the method for the condition a regulation and control is:
    When it is described reaction slag 1050 DEG C of temperature <, using the heating of reaction unit itself, or into slag add fuel or Nickel fibers slag, fusion of lead metallurgical slag, molten blast furnace slag, molten steel slag or the one or more for melting ferroalloy slag are melted, are sprayed into During fuel, while the oxidizing gas of preheating is sprayed into, the temperature of reaction slag is reached 1050~1450 DEG C;
    As 1450 DEG C of the temperature > of the reaction slag, nickel fibers slag, copper oxide mineral, copper-sulphide ores are added into reaction slag Thing, nickel oxide mineral, nickel sulfide mineral, copper-contained material, blast furnace slag, slag, ferroalloy slag, flux for metallurgy, ferrous material contain One or more in fluorine material, the reaction slag temperature of mixing is set to reach 1050~1450 DEG C;
    The method of condition b regulation and control is:
    As basicity CaO/SiO in the reaction slag2Ratio<When 0.15, alkaline material and/or alkalescence are added into reaction slag Ferrous material;
    As basicity CaO/SiO in the reaction slag2Ratio>When 1.5, add acid material into reaction slag and/or acidity contains Iron material.
  3. 3. the method as described in claim 1, it is characterised in that the reaction unit is that attemperator or rotatable melting are anti- Answer device or the melting reaction device that can be flowed out with cinder notch or iron mouth slag;Wherein, the attemperator melts for dumpable Refining reaction slag fills or thermal insulation pit;
    The rotatable melting reaction device is converter, melting reaction slag ladle;
    The melting reaction device that can be flowed out with cinder notch or iron mouth slag is plasma heating furnace, direct current electric arc furnace, alternating current arc Stove, mineral hot furnace, blast furnace, blast furnace, induction furnace, furnace cupola, side-blowing bath smelting furnace, bottom blowing molten pool smelting furnace, top-blown bath melt Furnace, reverberatory furnace, Ausmelt furnace, Isa furnace, watt button can husband's bath smelting furnace, side-blown rotary furnace, bottom blowing rotary furnace, top blast time Converter.
  4. 4. the method as described in claim 1, it is characterised in that in the step S1, while meeting the condition a and b, It should simultaneously meet, control Cu oxide, nickel oxide, cobalt/cobalt oxide and ferriferous oxide in the reaction slag to be reduced to gold respectively Belong to copper, metallic nickel, metallic cobalt and FeO, metal Ferrum content in slag<3%.
  5. 5. the method as described in claim 1, it is characterised in that the nickel fibers slag be " matte smelting " technique caused by nickel melt The blowing slag after blowing slag, the blowing of " nickel convering of copper ice " technique after refining slag, the blowing of " nickel convering of copper ice " technique produces through dilution Dilution clinker, Ni-B alloy slag caused by top blow smelting, Ni-B alloy slag caused by top blow smelting through electric furnace settle caused by settle It is one or more in slag;The nickel fibers slag is molten state or cold conditions, wherein:Melting nickel fibers slag is obtained by nickel fibers stove slag notch , or nickel fibers slag is heated to molten condition;
    The blast furnace slag, slag and ferroalloy slag are molten state, or cold conditions, wherein:Molten state clinker is obtained by slag notch, or will Cold conditions clinker is heated to molten condition;Affiliated slag be molten iron pre-desulfurization slag, vessel slag, electroslag, VOD/VAD slags, VD slags, in Between bag waste;The ferro-alloy cinder is caused clinker in ferroalloy production process, including smelts stove caused by carbon ferromanganese Slag, smelt clinker caused by ferrochrome, clinker caused by smelting ferronickel, clinker caused by smelting ferrovanadium, stove caused by smelting duriron Slag, smelt clinker caused by ferro-niobium, clinker caused by Smelting Ferromolybdenum;
    The copper oxide mineral includes cuprite, black copper ore, malachite, chessy copper, chrysocolla, one kind in blue stone or more Kind;Copper sulfide mineral includes vitreous copper, covellite, chalcopyrite, bornite, enargite, the one or more of tetrahedrite;
    The copper-contained material is blister copper copper fire refining slag, nominal group process, copper ashes, zinc smelting dreg, zinc abstraction cigarette ash and dirt mud, lead Zinc mine tailing, lead metallurgical slag, lead copper matte, setting form, fire refining of crude lead slag, lead smelting ash and dirt mud, lead-acid battery, Copper making Cigarette ash and dirt mud, composition brass, cupric rubbish, containing the one or more in copper circuit board, tin metallurgical slag, tailing;Wherein, the zinc Metallurgical slag is zinc smelting dreg caused by zinc hydrometallurgy and pyrometallurgy of zinc, including leached mud, iron vitriol slag, copper-cadmium slag, goethite slag, red Iron-ore Slag, volatilization kiln slag, fuming slag, blast furnace slag, vortex clinker, zinc vertical retorting slag, electric furnace zinc smelting slag;Leaded metallurgical slag is Fuming furnace clinker and leaded smelting slag, or " reduction of ISP imperial smelting furnaces " or " sintering deposit blast furnace reduction " or " solid-state high lead slag Leaded smelting slag caused by reduction " or " liquid high lead dross reduction technique " reducing process, leaded smelting slag are smelted by fuming furnace Produce leaded fuming slag;The copper ashes is cupric smelting slag, slag containing copper converting, dilution waste, flotation tailings, wet type copper smelting slag In one or more, cupric smelting slag results from " matte smelting " process of the pyrometallurgical smelting process of copper;It is described to contain copper converting Slag results from " Copper Matte Converting " process of the pyrometallurgical smelting process of copper;Dilution waste is cupric smelting slag and the dilution of slag containing copper converting Waste afterwards, flotation tailings are cupric smelting slag and tailings after the ore dressing of slag containing copper converting.
  6. 6. method as claimed in claim 2, it is characterised in that the ferrous material is common iron ore concentrate, common iron ore concentrate is straight Reduced iron is connect, common iron ore concentrate sintered ore deposit, common Iron Ore Pellets, common iron ore concentrate metallized pellet, common iron ore concentrate contain Carbon pre-reduced pellet, slag, zinc smelting dreg, coke smelting smoke dust and dirt mud, steel flue dust and dirt mud, nickeliferous metallurgical slag, copper ashes, One or more after lead metallurgical slag, zinc smelting dreg, tin metallurgical slag, red mud, removing sodium in high calcium red mud, coal dust ash, pyrite cinder; The steel flue dust includes blast furnace gas mud, bof sludge, electric furnace dust mud, heat or cold rolling sludge, sintering dust, pelletizing with dirt mud drum Dust, go out ironworks dust, blast furnace dust, electric stove dust ash, steel rolling iron scale;
    The copper-contained material and ferrous material are hot or cold conditions, wherein hot material is direct by metallurgical furnace discharging opening or slag notch Obtain;The zinc metallurgy slag of wet method and dirt mud need to through being dehydrated, dry;
    The fuel is the one or more in solid, liquid or gaseous fuel;The fuel is added in a manner of being blown or feeding intake Enter, during the injection, use and be loaded into oxidizing gas of the gas for preheating, the temperature of the preheating is 0~1200 DEG C;The smelting Golden flux is containing CaO or SiO2Mineral and clinker;The fluorine-containing material is fluorite, CaF2Or one kind in fluorine-containing blast furnace slag or It is several;
    Described alkaline material is pulverized limestone, red mud, after removing sodium in high calcium red mud, carbide slag, dolomite dust or calcium lime powder It is one or more of;Described alkaline ferrous material is alkaline sintering deposit, alkaline iron ore concentrate, alkaline pre-reduced pellet, alkalinous metal One or more in pellet, slag or blast furnace slag;The acid material is silica, silica containing gold and silver, flyash, gangue In one or more;The iron-containing acidic material is CaO/SiO2≤ 1 ferrous material, acid sinter ore, acid iron ore concentrate, Acid pre-reduced pellet, acid metal pellet, copper ashes, lead metallurgical slag, zinc smelting dreg, nickel fibers slag, tin metallurgical slag, ferroalloy One or more in slag, blast furnace slag.
  7. 7. method as claimed in claim 1 or 2, it is characterised in that the blast furnace slag, slag and ferroalloy slag are molten state, Or cold conditions, wherein:Molten state clinker includes blast furnace slag, slag and ferroalloy slag, is obtained by slag notch, or cold conditions clinker is included Blast furnace slag, slag and ferroalloy slag, are heated to molten condition;Affiliated slag is to include desulfurization slag, desiliconization slag, the molten iron of dephosphorized slag Pre- desulfurization slag, vessel slag, electroslag, VOD/VAD slags, VD slags, tundish waste;The ferro-alloy cinder is that ferroalloy produced Caused clinker in journey, including smelt clinker caused by carbon ferromanganese, smelt clinker caused by ferrochrome, stove caused by smelting ferronickel Clinker caused by slag, smelting ferrovanadium, clinker caused by smelting duriron, smelt clinker caused by ferro-niobium, stove caused by Smelting Ferromolybdenum Slag;
    The copper oxide mineral includes cuprite, black copper ore, malachite, chessy copper, chrysocolla, one kind in blue stone or more Kind;The copper sulfide mineral includes vitreous copper, covellite, chalcopyrite, bornite, enargite, the one or more of tetrahedrite.
  8. 8. such as the method any one of claim 1-7, it is characterised in that separate and recover, carried out such as in the step S2 Lower processing:
    Containing copper-rich nickel phase described in hot or cold conditions, converter or converting furnace blowing or the raw material as the separation of copper cobalt nickel are sent to;
    The component containing zinc and leaded component volatilization, in the form of an oxide into flue dust;
    Nickel, cobalt component respectively enter copper-rich nickel phase and Fe-riched phase;
    Containing the Iron containing silicate minerals phase and/or the Fe-riched phase, any of following method A-G processing is carried out;
    Method A:After water quenching or air cooling, directly as cement raw material;
    Method part B or be all returned to it is described reaction slag in be used as hot flux for metallurgy;
    Method C:For pouring devitrified glass or as mineral wool;
    Method D:The Iron containing silicate minerals phase and/or the Fe-riched phase are retained in melting reaction device or are poured into guarantor Warm device, temperature is blown into slag and is 0~1200 DEG C of preheating oxidizing gas, and ensure slag temperature>1450℃;When molten Slag oxidation ferrous iron weight percent content<1%, the slag after being aoxidized;Slag Direct Air-Cooled or water quenching after the oxidation, As the additive or clinker in slag cements, cement regulator, manufacture of cement;
    Method E:For producing the clinker of high added value, method is as follows:
    E-1, into the slag of the Iron containing silicate minerals phase and/or the Fe-riched phase, add molten steel slag, lime, lime After stone, ferro-alloy cinder, flyash, basic iron lean ore, bauxite, molten blast furnace slag, red mud, removing sodium in red mud or carbide slag One or more, it is sufficiently mixed, obtains slag mixed material;
    Preheating temperature is blown into E-2, upward slag mixed material and is 0~1200 DEG C of oxidizing gas, and ensures that slag mixes Temperature of charge>1450℃;When ferrous oxide weight percent content<1%, the slag after being aoxidized;
    E-3, to the slag after the oxidation, carry out air cooling or water quenching, the clinker of high added value be made;
    Method F:The Iron containing silicate minerals phase and/or the Fe-riched phase slag are as blast furnace ironmaking raw material or direct-reduction refining Iron material:After the slag air cooling of Iron containing silicate minerals phase and/or the Fe-riched phase, water quenching or slow cooling, as blast furnace ironmaking Or direct reduction iron making raw material, after direct-reduction, using molten point of magnetic separation separation or electric furnace, magnetic separation product is metallic iron and mine tailing, Molten point of electric furnace, product is molten iron and slag;
    Or after the slag of the Iron containing silicate minerals phase and/or the Fe-riched phase is poured into attemperator, using following methods Separated:The modified magnetic separation separation of slag:Slag into attemperator, it is blown into the oxidisability gas of 0~1200 DEG C of preheating Body, and ensure its slag temperature>1250 DEG C, complete the conversion of magnetic iron ore in slag;By the slag slow cooling after above-mentioned oxidation to room Temperature, crush, magnetic separation, product is magnetite concentrate and mine tailing, and mine tailing is as construction material;
    Method G:The molten state Iron containing silicate minerals phase and/or the Fe-riched phase carry out reduction iron production, comprise the following steps:
    G-1, the slag of the Iron containing silicate minerals phase and/or the Fe-riched phase is retained in melting reaction device or will be molten Slag pours into attemperator, ferrous material, reducing agent are added into molten state slag, carries out melting and reducing, monitoring reaction in real time is molten Slag, meet condition simultaneously by regulation and control:The temperature for reacting slag is 1350~1640 DEG C and the basicity CaO/SiO of reaction slag2 Ratio=0.6~2.4, the slag after the completion of being reacted;
    Wherein, the method for temperature for controlling reaction slag is:
    As 1350 DEG C of the temperature < of reaction slag, by the heating of reaction unit itself, or fuel and preheating are added into slag Oxidizing gas, the temperature of reaction slag is reached 1350~1640 DEG C;
    As 1640 DEG C of the temperature > of reaction slag, added into reaction slag in flux for metallurgy, ferrous material or fluorine-containing material One or more, the temperature of reaction slag is set to reach 1350~1640 DEG C;Wherein, the flux for metallurgy is containing CaO or SiO2's Mineral;
    The method of basicity for controlling reaction slag is:
    When reacting basicity CaO/SiO in slag2Ratio<When 0.6, alkaline material and/or alkaline ferrous material are added into slag;
    When reacting basicity CaO/SiO in slag2Ratio>When 2.4, acid material and/or iron-containing acidic material is added into slag;
    The oxidizing gas into slag after 0~1200 DEG C of preheating of injection is also needed to be melted in G-2, the G-1 during melting and reducing Melt reduction, the slag formed after reduction;
    G-3, separation and recovery:Using one kind in following methods:
    Method I:Mixing slag after reduction is poured into insulation slag ladle, is cooled to room temperature, obtains slow cooling slag;Wherein, metallic iron sinks The bottom of reaction unit is dropped to, iron is formed and sticks together, by containing metal iron layer in remaining slow cooling slag, be crushed to 20~400 μm of granularity, grind Residual metallic iron and mine tailing are isolated in ore deposit, magnetic separation;
    Method II:Mixing slag after reduction, cooling-sedimentation, slag-gold separation, obtain molten iron and the slag after reduction;It is described to go back Slag after original, slag treatment is carried out according to one or more of methods in method A~E;The molten iron, it is sent to converter or electric furnace Steel-making;
    After the Fe-riched phase layer carries out water quenching or air cooling or pours into attemperator slow cooling, as blast furnace ironmaking raw material or direct-reduction Iron-smelting raw material or iron making by smelting reduction iron material or flotation carry copper raw material;In floatation process, float product be copper concentrate, nickel ore concentrate, Nickel-containing alloys and iron ore concentrate, iron ore concentrate is as blast furnace ironmaking raw material or direct reduction iron making raw material or iron making by smelting reduction iron material; The Direct Reduction, as reduction apparatus, is utilized using rotary hearth furnace, tunnel cave, underbody road, shaft furnace, rotary kiln or induction furnace Gas base or coal base reduction, gas-based reduction use natural gas and/or coal gas, coal base reduction using anthracite, bituminous coal, lignite, coking coal, One or more in coke powder or coke, it is 900~1400 DEG C to control reduction temperature, control basicity CaO/SiO2Ratio=0.8 ~1.5;Coal gas caused by reduction is in slag surface second-time burning, there is provided heat, and also the coal gas by being flowed out in stove can be made For drying furnace charge and the thermal source of attemperator.
  9. 9. method as claimed in claim 8, it is characterised in that the oxidizing gas for preheating air, oxygen, oxygen-enriched air, One kind in nitrogen-air, argon gas-air, oxygen-nitrogen, oxygen-argon gas, the temperature of the preheating is 0-1200 DEG C;
    The fuel and the one or more that reducing agent is in solid, liquid or gaseous fuel, are sprayed in a manner of being blown or feeding intake Enter, the injection is loaded into gas as the one or more in the oxidizing gas, nitrogen or argon gas of preheating, the temperature of the preheating For 0-1200 DEG C;The solid fuel and reducing agent be one kind in coal dust, coke powder, coke, flyash, bituminous coal or anthracite or It is a variety of, granular or powdery is shaped as, granular material granularity is 5~25mm, and granular material granularity is≤150 μm, the liquid combustion Material is heavy oil with reducing agent, and the gaseous fuel and reducing agent are coal gas and/or natural gas.
  10. 10. the method as described in claim 1, it is characterised in that described to be well mixed to mix naturally in the step S1 Or be stirred, agitating mode is argon gas stirring, nitrogen gas stirring, nitrogen-argon gas mixing gas agitating, reducibility gas stirring, oxygen One or more in the property changed Gas Stirring, electromagnetic agitation or mechanical agitation;
    It is described to be settled into natural subsidence or spun down or centrifugal sedimentation in the step S2;It is cold during progress cooling-sedimentation But mode is natural cooling or rotation cooling or centrifugation cooling, is separation by shaking table, chute point with gravity separation method during the separation Select or the two is combined.
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CN112880409A (en) * 2021-01-12 2021-06-01 甘肃金麓银峰冶金科技有限公司 Method for prolonging service life of refractory material at bottom of ferronickel electric furnace and bottom of ferronickel electric furnace
CN113198607A (en) * 2021-04-28 2021-08-03 河南省煜晟镍业有限责任公司 Low nickel matte comprehensive treatment method
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CN115141937A (en) * 2021-03-29 2022-10-04 东北大学 Method for mixed dilution and iron component growth of copper-nickel smelting slag
CN113198607A (en) * 2021-04-28 2021-08-03 河南省煜晟镍业有限责任公司 Low nickel matte comprehensive treatment method
CN113355521A (en) * 2021-06-09 2021-09-07 包头稀土研究院 Method for extracting niobium alloy from niobium-titanium rich slag and application of solid carbon reducing agent
CN114350956A (en) * 2021-12-31 2022-04-15 红河学院 Method for enriching precious metals from lean materials
CN114350956B (en) * 2021-12-31 2023-09-19 红河学院 Method for enriching noble metals from lean and heterogeneous materials
CN114990348A (en) * 2022-05-30 2022-09-02 金川镍钴研究设计院有限责任公司 Method for producing blister copper from copper-nickel slag

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