CN205990346U - Micro-powder preparing system - Google Patents
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- CN205990346U CN205990346U CN201620878511.8U CN201620878511U CN205990346U CN 205990346 U CN205990346 U CN 205990346U CN 201620878511 U CN201620878511 U CN 201620878511U CN 205990346 U CN205990346 U CN 205990346U
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Abstract
This utility model is related to a kind of micro-powder preparing system, including：Feed proportioning subsystem, V-type powder concentrator, high-efficient powder concentrator, roller mill, the moisture content testing agency for detecting raw aqueous rate, the hot blast feeding mechanism supplying hot blast to V-type powder concentrator and the adjustment structure adjusting hot blast feeding air quantity.Coordinated by V-type powder concentrator, high-efficient powder concentrator and roller mill, the operation of micropowder powder can efficiently and reliably be carried out, it is not only suitable for the preparation of slag micro powder, it is applied to the preparation of slag micropowder again, thus the process of steel mill's blast-furnace cinder and converter slag can be met using a set of micro-powder preparing system, it is to avoid overlapping investment.By moisture content testing agency, raw aqueous rate is detected, to instruct the hot blast feeding situation to V-type powder concentrator for the hot blast feeding mechanism, play the effect of real-time regulating system running parameter, on the premise of meeting product quality, can effective reducing energy consumption, improve the feature of environmental protection of this micro-powder preparing system.
Description
Technical field
This utility model belongs to the field of resource recovery technique of metallurgical slag and in particular to a kind of micro-powder preparing system,
More particularly, to adopt the blast-furnace cinder of blast furnace ironmaking process generation and the prepared from steel slag of converter steelmaking process generation for the technology of micropowder.
Background technology
Through development for many years, the crude steel yield of China has occupied first place in the world.Count according to world steel association, 2015
The crude steel annual production of China has reached 8.03825 hundred million tons, accounts for the 49.59% of global crude steel yield, dates greatly in smelting process
Produce 2.4 hundred million tons of blast-furnace cinders, 1.2 hundred million tons of slags.
Blast-furnace cinder is the molten silicate class material discharged from blast furnace during manUfaCtUre of pig iron, and it is a kind of building of high-quality
Material, its utilization rate has reached 100%.Common blast-furnace cinder is to be made into slag micropowder using technique, in coagulation
Native moderate mixes and replaces portland cement, is remarkably improved intensity and the density of concrete, reduces the water absorption rate of concrete
And chloride diffusion coefficient, improve impermeability and the chemical resistance of concrete ability to sea water, acid and sulfate of concrete.In addition,
Cement is replaced with the slag micropowder amount of rational proportion, the early stage exotherm rate of hydrated cementitious in concrete can be reduced, suppress coagulation
The adiabatic temperature rise of soil, decreases the temperature tension of mass concrete early stage.Furnace slag powder is as novel high-strength, Gao Xing
Can a kind of indispensable inorganic mineral admixture of concrete, belong to building materials high-new technology productses, in American and Britain, moral, Japan and Korea S., new
Plus slope, Taiwan etc. many countries and regions, using this product as century-old life-span engineering important admixture.Due to mixed with slag
The concrete of micropowder has that the heat of hydration is low, corrosion-resistant and reinforcing bar cohesive force is strong, later strength is high, anti-micro the features such as, extensive
Apply heavy construction, the dam of mass concrete, under water, coast defence, urban road, the bridge of high intensity large span, oil field,
Chemical preservation engineering etc., product has wide market prospect.
Contain about 8～10% steel scrap in slag, through overheated stewing process after, can be by screening, broken, rod milling, magnetic separation etc.
Steel scrap is elected by handling process, remaining steel slag tailings metal Ferrum content≤2%, and its chemical composition is similar with clinker,
Part of cement grog can be replaced after wearing into slag micro powder or mix in concrete, energy saving, reduces manufacture of cement cost.
At present, blast-furnace cinder mainly to produce slag micropowder using Vertical Mill, and technics comparing is ripe.The producer of slag micro powder
Formula mainly has ball mill method, roller mill method, " roll squeezer-ball mill " joint milling process, Vertical Mill method etc..These method generally existings
The problems such as energy consumption is higher, product fineness is not up to standard, equipment attrition very fast, production has some setbacks.
Additionally, the existing blast-furnace cinder of same steel plant, there is converter slag again, prepare and need when micropowder to build respectively
Article two, production line, has the problem of repeated construction, the wasting of resources.
Utility model content
This utility model embodiment is related to a kind of micro-powder preparing system, at least can solve the segmental defect of prior art.
This utility model embodiment is related to a kind of micro-powder preparing system, including：
Feed proportioning subsystem；
V-type powder concentrator, the feeding mouth of described V-type powder concentrator passes through raw material transshipment acitivity and described feed proportioning subsystem rank
Connect；
High-efficient powder concentrator, the feeding mouth of described high-efficient powder concentrator is connected with the fines discharging opening of described V-type powder concentrator；
For the roller mill of pulverizing, the coarse fodder discharging of the coarse fodder discharging opening of described high-efficient powder concentrator and described V-type powder concentrator
Mouth is all connected with the feeding mouth of described roller mill；
For detecting the moisture content testing agency waiting the raw aqueous rate entering described V-type powder concentrator；
Hot blast feeding mechanism, described hot blast feeding mechanism is connected with the air intake vent of described V-type powder concentrator, described hot blast feeding
Mechanism includes the adjustment structure adjusting the hot blast air quantity entering described V-type powder concentrator.
As one of embodiment, described hot blast feeding mechanism includes air stove, and the air outlet of described air stove passes through hot blast
Pipeline is connected with described V-type powder concentrator, and described adjustment structure includes the adjusting air valve on described hot air duct.
As one of embodiment, described micro-powder preparing system also includes central control system, described moisture content testing agency
Electrically connect with the input of described central control system, the pathogenic wind-warm control module of described air stove and described adjusting air valve are all and institute
State the outfan electrical connection of central control system.
As one of embodiment, described micro-powder preparing system also includes the fines for detecting described high-efficient powder concentrator output
The finish fineness testing agency of fineness.
As one of embodiment, described micro-powder preparing system also includes central control system, described finish fineness testing machine
Structure is electrically connected with the input of described central control system, the working control circuit of described roller mill, described high-efficient powder concentrator
Working control circuit and described adjustment structure are all electrically connected with the outfan of described central control system.
As one of embodiment, the coarse fodder discharging opening of the coarse fodder discharging opening of described high-efficient powder concentrator and described V-type powder concentrator
It is connected to a magnetic separating unit, the non magnetic material outlet of magnetic separating unit described in two is all connected with the feeding mouth of described roller mill.
As one of embodiment, the discharging opening of described roller mill is connected with the feeding mouth of described V-type powder concentrator.
As one of embodiment, described micro-powder preparing system also includes finished product subsystem in bulk, described finished product subsystem in bulk
System includes finished bin, and the feeding mouth of described finished bin passes through the fines discharging of finished product fines supply unit and described high-efficient powder concentrator
Mouth connection, described finished bin bottom is provided with shedding mechanism, and is provided with dedusting mechanism near shedding mechanism.
As one of embodiment, described feed proportioning subsystem includes raw materials of slag subsystem and/or steel slag tailings raw material
Subsystem.
As one of embodiment, described moisture content testing agency includes online moisture content detector, described online moisture content
Detector is by described raw material transshipment acitivity.
As one of embodiment, described feed proportioning subsystem includes raw material granularity controlling organization, described raw material granularity control
Mechanism processed includes vibrosieve and disintegrating machine, and the oversize outlet of described vibrosieve is connected with the feeding mouth of described disintegrating machine, vibration
The discharging opening of the screening outlet of sieve and described disintegrating machine is all connected with raw material slag storehouse；The sieve diameter of described vibrosieve is
10mm, the particle size after cracking≤10mm of described disintegrating machine.
This utility model embodiment at least has the advantages that：By V-type powder concentrator, high-efficient powder concentrator and roller mill
Cooperation, can efficiently and reliably carry out the operation of micropowder powder, be not only suitable for the preparation of slag micro powder, be applied to slag micropowder again
Preparation, thus the process of steel mill's blast-furnace cinder and converter slag can be met using a set of micro-powder preparing system, it is to avoid repeat
Investment.By moisture content testing agency, raw aqueous rate is detected, to instruct the heat to V-type powder concentrator for the hot blast feeding mechanism
Wind supply situation (includes Boiler pressure control, pathogenic wind-warm control etc.), plays the effect of real-time regulating system running parameter, is meeting product
On the premise of quality, can effective reducing energy consumption, improve the feature of environmental protection of this micro-powder preparing system.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the micro-powder preparing system that Fig. 1 provides for this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The all other embodiment being obtained, broadly falls into the scope of this utility model protection.
As Fig. 1, this utility model embodiment provides a kind of micro-powder preparing system, including：
Feed proportioning subsystem 3；
V-type powder concentrator 1, the feeding mouth of described V-type powder concentrator 1 passes through raw material transshipment acitivity and described feed proportioning subsystem
3 linkings；
High-efficient powder concentrator 2, the feeding mouth of described high-efficient powder concentrator 2 is connected with the fines discharging opening of described V-type powder concentrator 1；
For the roller mill 5 of pulverizing, the coarse fodder of the coarse fodder discharging opening of described high-efficient powder concentrator 2 and described V-type powder concentrator 1 goes out
Material mouth is all connected with the feeding mouth of described roller mill 5；
For detecting the moisture content testing agency 4 waiting the raw aqueous rate entering described V-type powder concentrator 1；
Hot blast feeding mechanism, described hot blast feeding mechanism is connected with the air intake vent of described V-type powder concentrator 1, and described hot blast supplies
Mechanism is answered to include adjusting the adjustment structure 7 of the hot blast air quantity entering described V-type powder concentrator 1.
Coordinated by V-type powder concentrator 1, high-efficient powder concentrator 2 and roller mill 5, can efficiently and reliably carry out micropowder powder behaviour
Make, be not only suitable for the preparation of slag micro powder, be applied to the preparation of slag micropowder again, thus using a set of micro-powder preparing system be
The process of steel mill's blast-furnace cinder and converter slag can be met, it is to avoid overlapping investment.I.e. above-mentioned raw materials dispensing subsystem 3 can be ore deposit
Slag raw material subsystem 32 and/or steel slag tailings raw material subsystem 31, generally, due to steel mill had both produced blast-furnace cinder, produce again
Converter slag, therefore, above-mentioned raw materials dispensing subsystem 3 includes raw materials of slag subsystem 32 and steel slag tailings raw material subsystem 31.
As Fig. 1, raw materials of slag subsystem 32 and steel slag tailings raw material subsystem 31 select powder commonly through raw material transshipment acitivity and above-mentioned V-type
Machine 1 connects.It should be noted that due to physical and chemical indexes such as the proportion of steel slag tailings and slag, hardness, moisture content, chemical compositions
All have differences, in addition the strict demand to micropowder quality and its proportioning for the building material industry such as concrete, cement, this micropowder preparation system
System only preferably individually produces slag micro powder or slag micropowder, should not recycle this after mixing two kinds of raw materials of steel slag tailings and slag
Micro-powder preparing system produces micropowder.
The Task-size Controlling of the raw material that above-mentioned raw materials dispensing subsystem 3 is prepared in≤10mm, to ensure subsequently good to select powder
Effect.In the present embodiment, described feed proportioning subsystem 3 includes raw material granularity controlling organization, described raw material granularity controlling organization
Including vibrosieve 312 and disintegrating machine 313, the oversize outlet of described vibrosieve 312 is with the feeding mouth of described disintegrating machine 313 even
Logical, the discharging opening of the screening outlet of vibrosieve 312 and described disintegrating machine 313 is all connected with raw material slag storehouse；Described vibrosieve 312
Sieve diameter be 10mm, the particle size after cracking≤10mm of described disintegrating machine 313.
Continue said structure, such as Fig. 1, the knot of above-mentioned raw materials of slag subsystem 32 and above-mentioned steel slag tailings raw material subsystem 31
Structure layout is essentially identical.It is exemplified below a specific embodiment structure of above-mentioned steel slag tailings raw material subsystem 31 is illustrated：
As Fig. 1, this steel slag tailings raw material subsystem 31 includes steel slag tailings heap canopy 311, hopper (illustrating, do not mark), the first skin
Band machine, band magnetomechanical (illustrating, do not mark), vibrosieve 312, disintegrating machine 313, the second belt feeder, steel slag tailings storehouse (illustrate,
Do not mark) and Weighing feeder.Boil in a covered pot over a slow fire, select the steel slag tailings heap obtaining after the handling process such as ferrum to there are above-mentioned steel slag tailings through overheated
In heap canopy 311, its metal Ferrum content≤2%, moisture content≤5%.By forklift, steel slag tailings are shoveled into hopper, then by the
One belt feeder is transported to vibrosieve 312 and is sieved, and arranges high gradient magnetic separator in the head of belt feeder, in magnetic separation raw material
Metallic particles.Partition size e=10mm of vibrosieve 312, the raw material of oversize particle degree ＞ 10mm enters disintegrating machine 313 and is broken
Broken, after crushing raw meal particle size≤10mm, through the second belt feeder together with the raw material (granularity≤10mm) under vibrosieve 312 sieve
Send into steel slag tailings storehouse, then by Weighing feeder feeding to raw material transshipment acitivity.
Continue said structure, such as Fig. 1, and above-mentioned raw materials transshipment acitivity includes the 3rd belt feeder and bucket elevator 13, above-mentioned slag
The raw material of raw material subsystem 32 or the preparation of above-mentioned steel slag tailings raw material subsystem 31 is delivered to bucket elevator 13 via the 3rd belt feeder and is entered
Material mouth, is promoted at V-type powder concentrator 1 feeding mouth through bucket elevator 13.Above-mentioned moisture content testing agency 4 is preferably using aqueous online
Rate testing equipment, such as online moisture content detector 4, can be carried out to the moisture content of raw material according to requirement of engineering timing or variable interval
Line detects, to instruct the hot blast feeding situation (including Boiler pressure control, pathogenic wind-warm control etc.) to V-type powder concentrator 1 for the hot blast feeding mechanism,
Play the effect of real-time regulating system running parameter, on the premise of meeting product quality, can effective reducing energy consumption, improve this micro-
The feature of environmental protection of powder preparation system.This online moisture content detector is by above-mentioned 3rd belt feeder.
Continue said structure, and in the present embodiment, described hot blast feeding mechanism includes air stove 6, the air-out of described air stove 6
Mouth is connected with described V-type powder concentrator 1 by hot air duct, and described adjustment structure 7 includes the regulation on described hot air duct
Air-valve 7.This air stove 6 can adopt blast furnace gas nearby as source of the gas and fuels sources, energy saving.Selected to V-type by air stove 6
Hot blast supplied by powder machine 1, and the pathogenic wind-warm of hot blast can be controlled by air stove 6 itself, and the air quantity of hot blast then can pass through above-mentioned adjusting air valve 7
Control, realize the control to raw aqueous rate, so that the job control of V-type powder concentrator 1, high-efficient powder concentrator 2 and roller mill 5, reach
Require to required micropowder preparation.Further preferably, described micro-powder preparing system also includes central control system, described contains
Shui Shuai testing agency 4 is electrically connected with the input of described central control system, the pathogenic wind-warm control module of described air stove 6 and described
Adjusting air valve 7 is all electrically connected with the outfan of described central control system.Realize the Automated condtrol of above-mentioned regulation process,
On the premise of ensureing product quality, it is effectively reduced energy consumption.
Material is broken up in V-type powder concentrator 1, and fine granular materials, because of lighter weight, select powder from V-type in the presence of hot blast
The upper right quarter of machine 1 separates entrance high-efficient powder concentrator 2, and large granular materials are under gravity from this V-type powder concentrator 1
Portion discharges.The fine granular materials entering high-efficient powder concentrator 2 are additionally separated in high-efficient powder concentrator 2；This efficiently selects powder
Machine 2 is preferably the frequency conversion drive mode that adopts, the size of centrifugal force in scalable powder concentrator, is adjusted by the size changing centrifugal force
The size of selected parts powder fineness.Finished product is used as by the micropowder that this high-efficient powder concentrator 2 is selected；Accordingly, described micro-powder preparing system
Also include finished product subsystem in bulk 8, described finished product subsystem 8 in bulk includes finished bin 801, the feeding mouth of described finished bin 801
Connected with the fines discharging opening of described high-efficient powder concentrator 2 by finished product fines supply unit 11, described finished bin 801 bottom is provided with
Shedding mechanism 802, and nearby it is provided with dedusting mechanism 803 in shedding mechanism 802.Wherein, above-mentioned fines supply unit 11 can be adopted
With air flume 11.It is provided with orlop fluidizer in finished bin 801 further micropowder in storehouse is fluidized, so that micropowder is existed
Hardened situation is occurred without in storehouse；Above-mentioned shedding mechanism 802 coordinates automobile bulk loader using conventional orlop discharge facility,
Micropowder loads powder tank car by this shedding mechanism 802 and can transport utilization.
Continue said structure, such as Fig. 1, the coarse fodder of the coarse fodder discharging opening of described high-efficient powder concentrator 2 and described V-type powder concentrator 1
Discharging opening is connected to a magnetic separating unit 10, the non magnetic material outlet of magnetic separating unit 10 described in two all with described roller mill 5
Feeding mouth connects.Wherein, this magnetic separating unit 10 is preferably and adopts tramp iron separator 10, such as magnetic drum tramp iron separator etc.；By this magnetic separating unit
The magnetic material that 10 select can be sent into material storing box and reclaim, and non magnetic material then can be sent into roller mill 5 by Weighing feeder and process.As figure
1, it is provided with constant current weighing cabin 12 above roller mill 5, it is one constant that this constant current weighing cabin 12 can ensure that the material in storehouse has
Pressure, sustainable stably by material send into roller mill 5.Be provided with this constant current weighing cabin 12 bottom discharge openings rod valve and
Pneumatic operated valve, can facilitate overhaul of the equipments and adjust stream size.The discharging opening of described roller mill 5 and the pan feeding of described V-type powder concentrator 1
Mouth connection, the material after processing through roller mill 5 is back to V-type powder concentrator 1 and is circulated process；Specifically, under roller mill 5
Side is provided with the 4th belt feeder, and the 4th belt feeder is connected with above-mentioned bucket elevator 13, by the material after roller mill 5 extrusion process
Send into above-mentioned bucket elevator 13 and be promoted to above-mentioned V-type powder concentrator 1 circular treatment.Above-mentioned roller mill 5 preferably adopts high-pressure roller mill
5.
Optimize the present embodiment, such as Fig. 1 further, described micro-powder preparing system is also included for detecting described high-efficient powder concentrator
The finish fineness testing agency 9 of the fines fineness of 2 outputs.Above-mentioned finish fineness testing agency 9 includes sampling unit and detector
Unit, this sampling unit is preferably and samples from above-mentioned finished product fines supply unit 11 course of conveying, certainly also can be from finished bin
Sampling in 801；Above-mentioned detector cell preferably adopts on-line detector, such as laser particle size analyzer, achievable on-line period,
Go out the fineness of micropowder with velocity measuring the fastest.Further, described micro-powder preparing system also includes central control system, described
Finish fineness testing agency 9 is electrically connected with the input of described central control system, the working control circuit of described roller mill 5,
The working control circuit of described high-efficient powder concentrator 2 and described adjustment structure 7 are all electrically connected with the outfan of described central control system
Connect.Detect the fineness of micropowder by above-mentioned finish fineness testing agency 9, and the parameter feedback of detection is controlled system to above-mentioned central authorities
System, after central control system analyzes this parameter, instructs extruding force size, the centrifugation of high-efficient powder concentrator 2 adjusting roller mill 5
The adjustment structure 7 (pathogenic wind-warm of this scalable air stove 6) of power size and hot blast feeding mechanism, with the fineness of real-time regulation micropowder,
Farthest energy efficient in the case of ensureing micropowder prescription.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of micro-powder preparing system is it is characterised in that include：
Feed proportioning subsystem；
V-type powder concentrator, the feeding mouth of described V-type powder concentrator is connected with described feed proportioning subsystem by raw material transshipment acitivity；
High-efficient powder concentrator, the feeding mouth of described high-efficient powder concentrator is connected with the fines discharging opening of described V-type powder concentrator；
For the roller mill of pulverizing, the coarse fodder discharging opening of the coarse fodder discharging opening of described high-efficient powder concentrator and described V-type powder concentrator is equal
Connect with the feeding mouth of described roller mill；
For detecting the moisture content testing agency waiting the raw aqueous rate entering described V-type powder concentrator；
Hot blast feeding mechanism, described hot blast feeding mechanism is connected with the air intake vent of described V-type powder concentrator, described hot blast feeding mechanism
Including the adjustment structure adjusting the hot blast air quantity entering described V-type powder concentrator.
2. micro-powder preparing system as claimed in claim 1 it is characterised in that：Described hot blast feeding mechanism includes air stove, institute
The air outlet stating air stove is connected with described V-type powder concentrator by hot air duct, and described adjustment structure is included located at described hot blast
Adjusting air valve on pipeline.
3. micro-powder preparing system as claimed in claim 2 it is characterised in that：Described micro-powder preparing system also includes central control
System, described moisture content testing agency is electrically connected with the input of described central control system, and the pathogenic wind-warm of described air stove controls
Module and described adjusting air valve are all electrically connected with the outfan of described central control system.
4. micro-powder preparing system as claimed in claim 1 it is characterised in that：Described micro-powder preparing system is also included for detecting
The finish fineness testing agency of the fines fineness of described high-efficient powder concentrator output.
5. micro-powder preparing system as claimed in claim 4 it is characterised in that：Described micro-powder preparing system also includes central control
System, described finish fineness testing agency is electrically connected with the input of described central control system, the work control of described roller mill
Circuit processed, the working control circuit of the described high-efficient powder concentrator and described adjustment structure outfan all with described central control system
Electrical connection.
6. micro-powder preparing system as claimed in claim 1 it is characterised in that：The coarse fodder discharging opening of described high-efficient powder concentrator and institute
The coarse fodder discharging opening stating V-type powder concentrator is connected to a magnetic separating unit, the non magnetic material outlet of magnetic separating unit described in two all with
The feeding mouth connection of described roller mill.
7. micro-powder preparing system as claimed in claim 1 it is characterised in that：The discharging opening of described roller mill and described V-type choosing
The feeding mouth connection of powder machine.
8. micro-powder preparing system as claimed in claim 1 it is characterised in that：It is in bulk that described micro-powder preparing system also includes finished product
Subsystem, described finished product subsystem in bulk includes finished bin, the feeding mouth of described finished bin pass through finished product fines supply unit with
The fines discharging opening connection of described high-efficient powder concentrator, described finished bin bottom is provided with shedding mechanism, and sets near shedding mechanism
It is equipped with dedusting mechanism.
9. the micro-powder preparing system as any one of claim 1 to 8 it is characterised in that：Described feed proportioning subsystem
Including raw materials of slag subsystem and/or steel slag tailings raw material subsystem.
10. micro-powder preparing system as claimed in claim 9 it is characterised in that：Described feed proportioning subsystem includes raw material grain
Degree controlling organization, described raw material granularity controlling organization includes vibrosieve and disintegrating machine, the oversize outlet of described vibrosieve and institute
State the feeding mouth connection of disintegrating machine, the discharging opening of the screening outlet of vibrosieve and described disintegrating machine is all connected with raw material slag storehouse；
The sieve diameter of described vibrosieve is 10mm, the particle size after cracking≤10mm of described disintegrating machine.
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| CN201620878511.8U CN205990346U (en) | 2016-08-15 | 2016-08-15 | Micro-powder preparing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624637A (en) * | 2020-12-18 | 2021-04-09 | 天津水泥工业设计研究院有限公司 | High-activity steel slag micro powder preparation system |
| CN115852070A (en) * | 2022-11-29 | 2023-03-28 | 大峘集团有限公司 | Secondary treatment method of steel slag by using roller press as center |
-
2016
- 2016-08-15 CN CN201620878511.8U patent/CN205990346U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624637A (en) * | 2020-12-18 | 2021-04-09 | 天津水泥工业设计研究院有限公司 | High-activity steel slag micro powder preparation system |
| CN112624637B (en) * | 2020-12-18 | 2022-11-08 | 天津水泥工业设计研究院有限公司 | High-activity steel slag micro powder preparation system |
| CN115852070A (en) * | 2022-11-29 | 2023-03-28 | 大峘集团有限公司 | Secondary treatment method of steel slag by using roller press as center |
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