CN101979944B - Volatile metal roasting and recycling device - Google Patents
Volatile metal roasting and recycling device Download PDFInfo
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- CN101979944B CN101979944B CN2010105276378A CN201010527637A CN101979944B CN 101979944 B CN101979944 B CN 101979944B CN 2010105276378 A CN2010105276378 A CN 2010105276378A CN 201010527637 A CN201010527637 A CN 201010527637A CN 101979944 B CN101979944 B CN 101979944B
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Abstract
The invention discloses a volatile metal roasting and recycling device, which relates to a device for roasting and effectively recycling volatile metallic minerals. The device comprises a roasting furnace body, a hearth and a feeder. Two fire barriers are arranged in the hearth. A rotary tracked roasting plate is arranged between the two fire barriers. An oil spray opening and an oil nozzle are reserved on the left side of the furnace body. A volatile metal recycler is arranged on one side of a tail gas outlet of the roasting furnace body. Cold air spray pipes are arranged in the center of the volatile metal recycler. An inwards-extended exhaust pipe is arranged at the top of the volatile metal recycler. The device can roast a plurality of volatile metallic element-containing minerals, and quickly cool, precipitate and further recycle gases volatilized from the roasted metals, and simplifies the treatment of the hazardous elements of arsenic, mercury and the like in non-ferrous metal smelting; moreover, the device radically solves problems on the exhaust of the hazardous elements by smoke and waste residues, prevents pollutions to the environment, simultaneously recycles the hazardous elements, makes the waste profitable and increases the utilization rate of resources.
Description
Technical field
The device that the present invention relates to a kind of roasting volatile metal mineral and effectively reclaim.
Background technology
In the non-ferrous metal mineral, contain the element such as the arsenic with fume emission, lead, bismuth, zinc, antimony, indium of easy oxidation, volatilization mostly, wherein arsenic, lead are noxious materials; In the roasting smelting process, be discharged in the atmosphere with flue gas, can cause serious environmental to pollute; In the humidifying smelting process of non-ferrous metal, arsenic, plumbous a kind ofly again be difficult to handle, again product quality is caused heavy metal or the nonmetallic inclusion that has a strong impact on; Though the waste residue of harmful substances such as arsenic, lead mode such as take to the cement solidifies, buried is handled, can immerse equally in soil and the underground water, cause environmental pollution; And elements such as arsenic, lead, bismuth, zinc, antimony, indium all are useful elements; With fume emission or buried, not only cause environmental pollution, also caused the waste of resource.The equipment that present domestic external enwergy comprehensively reclaims the volatile metal does not also appear in the newspapers and leads; And the arsenic retracting device all adopts two sections low temperature to reclaim both at home and abroad, and like Sweden ripple Lipton Long Sikaer smeltery, first section high temperature is collected high molten gas metalliferous material; Like Cu, Ni, Pb etc.; Second section low temperature gathers dust, and must pass through high-temperature region below 220～250 ℃ very soon, avoids being condensed into the glass blocking pipe; Canada Bel adopts bag collection and electricity to gather dust, and puts cold air flue-gas temperature is reduced to below 200 ℃, so that with AS
2O
3Collect, domestic also have put that reverberatory furnace handles into the arsenic flue dust is packed, but all exists the arsenic content of recovery low, processing speed is slow, complex equipments, the arsenic rate of recovery is low, and causes secondary pollution easily.
Summary of the invention
The objective of the invention is to disclose the suitable multiple volatile metal mineral roasting of a kind of ability and can effectively reclaim multiple volatile metal, simple in structure, the rate of recovery is high, do not cause the volatile metal roasting retracting device of environmental pollution.
Technical solution of the present invention is: a kind of volatile metal roasting retracting device; Its special character is to be provided with closed fuel oil roaster; Behind closed fuel oil roaster, be connected with meal dirt settler with offgas duct, the middle part of meal dirt settler or on the lower side portion be provided with the cold air jet pipe, its top is provided with the blast pipe of inwardly stretching; At least be connected with one-level volatile metal recovery device behind the blast pipe; The volatile metal recovery device is provided with the water-cooled storehouse, below the water-cooled storehouse, is provided with recovery bin, and blast pipe inserts recovery bin through the water-cooled storehouse; With " n " shape pipe UNICOM, afterbody volatile metal recovery device is provided with the blast pipe that connects its recovery bin between the recovery bin of adjacent two volatile metal recovery devices.
Closed fuel oil roaster in the technical solution of the present invention is provided with roasting body of heater, Lu Tang, blanking device; Be provided with jet and atomizer in the left side of roasting body of heater; In the stove hall, be provided with two firebreaks, between two firebreaks, be provided with rotating crawler type roasting plate, crawler type roasting plate extends to outside the stove hall; The port of export below of crawler type roasting plate is provided with the grog bucket, in the stove hall, also is provided with temperature sensor.
The present invention is owing to adopted above technical scheme; The multiple mineral material that contains the effumability metallic element of ability roasting; Particularly require first dearsenification, lead, bismuth, zinc, antimony, indium, refine other metal again, can the metal that roasting evaporates be able to reclaim through the cooling sedimentation step by step; Because adopt closed fuel oil roaster, the tail gas dustiness is few, the impurity content of the volatile metal powder product that is reclaimed is few; More suitable for the mineral that should not use the coal fuel baking, can the extraction of other metal not impacted; Adopt the fuel oil roaster, can control effectively, realize the controlled recovery of different volatile metals sintering temperature; The present invention not only makes the simplification that becomes of harmful elements such as the arsenic that is difficult in the non-ferrous metal metallurgy to handle, lead; The more important thing is and fundamentally solved the problem of harmful element through flue gas and waste sludge discharge; Prevent pollution, simultaneously, harmful element and other volatile metal are reclaimed environment; Turn waste into wealth, improved the utilization rate of resource.
Description of drawings
Accompanying drawing 1 is looked sketch map for master of the present invention.
Accompanying drawing 2 is the schematic top plan view of the closed fuel oil roaster of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described; A kind of volatile metal roasting retracting device is provided with closed fuel oil roaster [11], meal dirt settler [17] and volatile metal recovery device [19-1], and closed fuel oil roaster [11] is provided with body of heater [3], stove hall [13]; Be provided with jet [2] and atomizer [1] in body of heater [3] left side; In the stove hall, be provided with two firebreaks [12], between two grades of walls with flues [12], be provided with rotating crawler type roasting plate [5], the crawler belt moving runner is installed in firebreak [12] inboard; One side of firebreak [12] and crawler type roasting plate [5] extends to outside the body of heater [3], and drive motors [4] is housed.Top front end at body of heater [3] is provided with blanking device [6], also can be located at the side of body of heater [3], is provided with blanking hole [10] at the top front end of body of heater [3]; The quantity of blanking hole [10] can be established 1～4; Generally establish 2-3, blanking hole [10] correspondence is provided with tremie pipe [9], and tremie pipe [9] communicates with the mineral hopper [8] that is provided with blanking vibrator [7]; Below the outside of crawler type roasting plate, be provided with grog bucket [30], in Lu Tang [13], be provided with temperature sensor [29].Export a side at roaster tail gas and be provided with meal dirt settler [17], link to each other with offgas duct [11], the middle part in the meal dirt settler [17] or on the lower side portion be provided with cold air jet pipe [16]; Cold air jet pipe [16] can be symmetrical in meal dirt settler [17] center and be provided with, and at least two of quantity, present embodiment symmetry are established 3-4; The nozzle hole direction is the furnace wall of meal dirt settler [17] vertically; Also can downward angled setting, present embodiment is to be parallel to the furnace wall to be provided with, the neglecting designing requirement greatly of cold air jet pipe and deciding; Principle is to guarantee that exhaust temperature that the cold air that is sprayed can make roaster is by being dropped rapidly to more than 500 ℃ about 250 ℃; The diameter of present embodiment design is 10cm, and the top in meal dirt settler [17] is provided with the blast pipe of inwardly stretching [18], and blast pipe [18] can vertically pass meal dirt sedimentation wall [27] back from the side and upwards bend; Also can extend internally from the top, present embodiment is the former.Be provided with the meal dirt outlet [15] of band door in the bottom of meal dirt settler [17], in the meal dirt settler [17] temperature sensor [28] can be set.At least be connected with one-level volatile metal recovery device [19-1] behind the blast pipe [18]; Volatile metal recovery device [19-1] is provided with water-cooled storehouse [21]; Be provided with recovery bin [26] in water-cooled storehouse [21] below; The bottom of recovery bin [26] is provided with the feed opening [24] of belt switch; Blast pipe [18] passes at a distance from pulling [25] through water-cooled storehouse [21] and inserts recovery bin [26]; Between adjacent two volatile metal recovery devices [19-1], [19-2], link to each other with " n " shape pipe [20] that is communicated with its recovery bin, the recovery bin of level volatile metal recovery device (present embodiment is meant [19-2], if establish 5 grades of volatile metal recovery devices then be meant [19-5]) is not connected with the external blast pipe [22] of continuous equipment down.Every 1-2 level volatile metal recovery device reclaims a kind of volatile metal, through the control chilling temperature different volatile metals is deposited in the different volatile metal recovery devices.
Present embodiment can be suitable for containing the roasting of the mineral of volatile metals such as arsenic, lead, antimony, bismuth, zinc, indium, and it is effectively reclaimed, and is simple in structure; The rate of recovery is high; Make poisonous metal can obtain recycling, change changes treasured into, the more important thing is to have solved the pollution problem of harmful element to environment.Simultaneously to the processing of volatility harmful elements such as non-ferrous metal metallurgy arsenic, the lead simplification that becomes.This enforcement side is to roasting volatility and the rate of recovery such as the following table of several kinds of volatile metals:
| The volatile metal title | Rate of recovery % | Reclaim tenor | The roasting volatility | Exhaust emissions content mg/m 3 |
| Arsenic trioxide | 90-98 | 80-95 | 99.5 | ≤10 |
| Zinc oxide | 95-98 | 97-98 | 98-99 | ≤100 |
| Antimony oxide | 95-98 | 70-98 | 98-99 | ≤100 |
| Lead oxide | 80-95 | 70-95 | 99-99.5 | ≤20 |
| The indium cobalt/cobalt oxide | ≥90 | 70-95 | 96-98 | ≤20 |
Claims (6)
1. volatile metal roasting retracting device; It is characterized in that being provided with closed fuel oil roaster [11]; Be connected with meal dirt settler [17] in closed fuel oil roaster [11] back with offgas duct [14]; The middle part of meal dirt settler [17] or on the lower side portion be provided with cold air jet pipe [16], its top is provided with the downtake pipe of inwardly stretching [18], is connected with one-level volatile metal recovery device [19-1] behind the downtake pipe [18] at least; Volatile metal recovery device [19-1] is provided with water-cooled storehouse [21]; Be provided with recovery bin [26] in water-cooled storehouse [21] below, downtake pipe [18] inserts recovery bin [26] from water-cooled storehouse [21] through dividing plate [25], and volatile metal recovery device [19-1] is provided with the second exhaust pipe [22] that connects its recovery bin [26]; Perhaps between the recovery bin [26] of adjacent two volatile metal recovery devices [19-1], [19-2], manage [20] UNICOM with " n " shape, afterbody volatile metal recovery device [19-2] is provided with the second exhaust pipe [22] that connects its recovery bin [26].
2. a kind of volatile metal roasting retracting device according to claim 1; It is characterized in that closed fuel oil roaster [11] is provided with roasting body of heater [3], burner hearth [13]; Blanking device [6]; Be provided with jet [2] and atomizer [1] in the left side of roasting body of heater [3], [13] are provided with two firebreaks [12] in burner hearth, between two firebreaks [12], are provided with rotating crawler type roasting plate [5]; Crawler type roasting plate [5] extends to outside the burner hearth [13], and the port of export of crawler type roasting plate [5] below is provided with grog bucket [30].
3. a kind of volatile metal roasting retracting device according to claim 2 is characterized in that said blanking device [6] is provided with mineral bucket [8], blanking vibrator [7], and the tremie pipe [9] of blanking vibrator [7] is aimed at the blanking hole [10] that is located at body of heater [3] top.
4. a kind of volatile metal roasting retracting device according to claim 1 is characterized in that cold air jet pipe [16] is symmetrical in meal dirt settler [17] center at least two of quantity are set.
5. a kind of volatile metal roasting retracting device according to claim 2 is characterized in that in burner hearth [13], being provided with temperature sensor [29].
6. a kind of volatile metal roasting retracting device according to claim 1 is characterized in that in meal dirt settler [17], temperature sensor [28] being set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105276378A CN101979944B (en) | 2010-11-02 | 2010-11-02 | Volatile metal roasting and recycling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105276378A CN101979944B (en) | 2010-11-02 | 2010-11-02 | Volatile metal roasting and recycling device |
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| CN101979944A CN101979944A (en) | 2011-02-23 |
| CN101979944B true CN101979944B (en) | 2012-07-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634614B (en) * | 2012-04-16 | 2014-05-07 | 陈小林 | Resourceful treatment method for zinc-containing ironmaking and steelmaking intermediate slag |
| CN105463210A (en) * | 2015-12-26 | 2016-04-06 | 杨伟燕 | Smelting method for high-impurity copper concentrate |
| CN105695759A (en) * | 2016-02-14 | 2016-06-22 | 杨伟燕 | Method for recycling lead, zinc, arsenic, antimony, bismuth and tin from copper smelting slag |
| CN111394570A (en) * | 2020-04-24 | 2020-07-10 | 湖南金马冶金技术开发有限公司 | External heating rotary furnace dearsenification device |
Citations (8)
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| US3896211A (en) * | 1967-10-02 | 1975-07-22 | Harle & Lechopiez | Purification of iron oxides |
| US4437884A (en) * | 1980-11-10 | 1984-03-20 | Union Oil Company Of California | Ore roasting with recycle of gases |
| CN2253245Y (en) * | 1996-01-11 | 1997-04-30 | 胡镇成 | Three-functional flue-gas purifier |
| WO2001054800A1 (en) * | 2000-01-25 | 2001-08-02 | Paul Scherrer Institut | Method for processing metalliferous secondary raw materials in a combustible composite |
| CN1389584A (en) * | 2002-07-05 | 2003-01-08 | 宋功文 | Efficient separation process and apparatus of main valuable metals in jamesonite |
| CN2552941Y (en) * | 2002-07-05 | 2003-05-28 | 宋功文 | High efficient separating device for extracting main valuable metal from jamesonite |
| CN101148700A (en) * | 2007-11-06 | 2008-03-26 | 广西冶金研究院 | Treatment method for jamesonite and equipment thereof |
| CN101203619A (en) * | 2005-04-01 | 2008-06-18 | 传统环境服务有限公司 | Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
-
2010
- 2010-11-02 CN CN2010105276378A patent/CN101979944B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896211A (en) * | 1967-10-02 | 1975-07-22 | Harle & Lechopiez | Purification of iron oxides |
| US4437884A (en) * | 1980-11-10 | 1984-03-20 | Union Oil Company Of California | Ore roasting with recycle of gases |
| CN2253245Y (en) * | 1996-01-11 | 1997-04-30 | 胡镇成 | Three-functional flue-gas purifier |
| WO2001054800A1 (en) * | 2000-01-25 | 2001-08-02 | Paul Scherrer Institut | Method for processing metalliferous secondary raw materials in a combustible composite |
| CN1389584A (en) * | 2002-07-05 | 2003-01-08 | 宋功文 | Efficient separation process and apparatus of main valuable metals in jamesonite |
| CN2552941Y (en) * | 2002-07-05 | 2003-05-28 | 宋功文 | High efficient separating device for extracting main valuable metal from jamesonite |
| CN101203619A (en) * | 2005-04-01 | 2008-06-18 | 传统环境服务有限公司 | Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
| CN101148700A (en) * | 2007-11-06 | 2008-03-26 | 广西冶金研究院 | Treatment method for jamesonite and equipment thereof |
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Effective date of registration: 20170720 Address after: 523000, Guangdong, Dongguan province hi tech Industrial Development Zone Songshan North Road, No. 6, EAST Power System Technology Co., Ltd., building C-1, building 3, 006 Patentee after: GUANGDONG ZHONGBEI ENERGY TECHNOLOGY CO., LTD. Address before: 413522, No. 293, South Village, plum Town, Anhua County, Yiyang, Hunan Patentee before: Guo Jizhong |
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Effective date of registration: 20191112 Address after: 413500, No. 293, South Village, plum Town, Anhua County, Yiyang, Hunan Patentee after: Guo Jizhong Address before: 523000, Guangdong, Dongguan province hi tech Industrial Development Zone Songshan North Road, No. 6, EAST Power System Technology Co., Ltd., building C-1, building 3, 006 Patentee before: GUANGDONG ZHONGBEI ENERGY TECHNOLOGY CO., LTD. |
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