CN107254586B - A kind of processing method of oxygen leaching mine tailings - Google Patents
A kind of processing method of oxygen leaching mine tailings Download PDFInfo
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- CN107254586B CN107254586B CN201710468931.8A CN201710468931A CN107254586B CN 107254586 B CN107254586 B CN 107254586B CN 201710468931 A CN201710468931 A CN 201710468931A CN 107254586 B CN107254586 B CN 107254586B
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- Prior art keywords
- mine tailings
- ore
- ton
- aurosulfo
- processing method
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- 238000003672 processing method Methods 0.000 title claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000002386 leaching Methods 0.000 title claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 15
- 239000001301 oxygen Substances 0.000 title claims abstract description 15
- 239000002893 slag Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000004615 ingredient Substances 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000005864 Sulphur Substances 0.000 claims abstract description 5
- 238000007605 air drying Methods 0.000 claims abstract description 4
- 230000018044 dehydration Effects 0.000 claims abstract description 4
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 235000019738 Limestone Nutrition 0.000 claims description 9
- 239000006028 limestone Substances 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- XEIPQVVAVOUIOP-UHFFFAOYSA-N [Au]=S Chemical compound [Au]=S XEIPQVVAVOUIOP-UHFFFAOYSA-N 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000007670 refining Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000004155 tailings processing Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working 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
- C22B7/04—Working-up slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working 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
- C22B7/001—Dry processes
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of processing method of oxygen leaching mine tailings, the processing method includes the following steps: to transport the mine tailings raw material of collection in feed bin, and the mine tailings being collected into feed bin are carried out to stack air-dried processing；The mine tailings raw material stacked after air-drying is transported in crushing device by conveyer belt and is crushed, broken material can be improved the rate of subsequent reaction in furnace；By broken mine tailings by singly walking a conveyer belt after mixing with other aqueous less materials, carries out material and mix further dehydration；Dewatered mine tailings are subjected to ingredient, the high sulphur property of the high-speed rail of the mine tailings and aurosulfo ore are close.The processing method of the oxygen leaching mine tailings, is recycled castaway slag, and economic effect is obvious, and does not have an impact to original production, has greatly saved cost, increases the utilization rate of waste material, reduces the wasting of resources, and alleviate the pollution of environment.
Description
Technical field
The present invention relates to industrial technical field, specially a kind of processing method of oxygen leaching mine tailings.
Background technique
Currently, lead is smelted after mainly using " bottom convertor-reduction furnace-fuming furnace " system, reduction furnace to substitute blast furnace, slag type
Tend to high iron slag type, slag making mainly uses aurosulfo ore slag making, and when ingredient need to add aurosulfo ore and mend iron and sulphur.Pyrometallurgical smelting of lead ingredient one
As lead Grade Control at 50% or so, the content of iron and zinc in composite ore is generally 6~8%, controls FeO:SiO2=1.8
~2.2, calculated with producing 100000 tons of lead bullion per year, in the case of monthly producing at full capacity, about 500~700 tons of aurosulfo ore amount of allocating, production cost compared with
It is high.Zinc concentrate oxygen leaching mine tailings are castaway slag, and wherein S content is 32.41%, and [FeO] content is 15.81%, and [ZnO] contains
Amount is 14.52%, [SiO2] content is 4.20%, elemental sulfur accounts for about 80%, SO in total sulfur4 2-Account for about 20%, it can be in mine tailings
It is 25.93% in the exothermic simple substance sulfur content of reaction in furnace, meets technique requirement, postorder fuming furnace system can be recycled in mine tailings
Zinc, improve synthetical recovery benefit, therefore we have proposed a kind of processing methods of oxygen leaching mine tailings.
Summary of the invention
The purpose of the present invention is to provide a kind of processing methods of oxygen leaching mine tailings, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of processing method of oxygen leaching mine tailings, institute
The processing method stated includes the following steps:
(1), the mine tailings raw material of collection is transported in feed bin, the mine tailings being collected into feed bin stack air-dried
Processing；
(2), the mine tailings raw material stacked after air-drying is transported in crushing device by conveyer belt and is crushed, after broken
Material can be improved the rate of subsequent reaction in furnace；
(3), broken mine tailings are carried out by singly walking a conveyer belt after mixing with other aqueous less materials
Material mixes further dehydration, because the mine tailings are aqueous, viscosity is larger；
(4), dewatered mine tailings are subjected to ingredient, the high sulphur property of the high-speed rail of the mine tailings and aurosulfo ore are close, can be with
It is used in mixed way with aurosulfo ore；
(5), after the completion of ingredient, the material of various reactions and mine tailings is thrown into furnace and reacted, the mine tailings throw stove
Body step are as follows:
(1), the first stage puts into 30.909 tons of mine tailings, and 10.267 tons of aurosulfo ore, the process that feeds intake is continuous dosing, investment
Composite ore is 36.827 ton/hours, and wherein the mixture of aurosulfo ore and mine tailings composition is 1.841 ton/hours, lime stone
0.418 ton/hour, the continuous dosing time；
(2), it after the completion of the first stage feeds intake, carries out second stage and feeds intake, put into 33.425 tons of mine tailings, aurosulfo ore
11.142 tons, the process that feeds intake is continuous dosing, and investment composite ore is that 37.260 ton/hours, wherein aurosulfo ore and mine tailings form
Mixture be 3.726 ton/hours, 0.418 ton/hour of lime stone, the continuous dosing time；
(3), after the completion of second stage feeds intake, the progress phase III feeds intake, and puts into 40.758 tons of mine tailings, aurosulfo ore
13.746 tons, the process that feeds intake is continuous dosing, puts into 35.370 ton/hours of composite ore, and wherein aurosulfo ore and mine tailings form
5.305 ton/hours of mixture, 0.418 ton/hour of lime stone, the continuous dosing time.
Preferably, each stage bottom convertor go out high lead slag period be 2 hours, after feeding intake, to the working of a furnace in per stage
It is analyzed with the high lead slag of output, the first stage, the working of a furnace is basicly stable, high lead slag leaded up to 50~60%, after being unfavorable for
Continuous reduction furnace refining；Second stage, the working of a furnace is more stable, and high lead slag is leaded and zinc is respectively 44% and 10%；Phase III, furnace
Temperature is basicly stable, and high lead slag is leaded to be lower than 41%, is unfavorable for the refining of sequential reduction furnace.
Preferably, the mixture is made of mine tailings and aurosulfo ore.
Preferably, the in-furnace temperature is maintained between 900~1050 degrees Celsius.
Compared with prior art, the beneficial effects of the present invention are: the processing method of the oxygen leaching mine tailings, to castaway slag
It is recycled, economic effect is obvious, and does not have an impact to original production, has greatly saved cost, has increased waste material
Utilization rate reduces the wasting of resources, and alleviates the pollution of environment.
Detailed description of the invention
Fig. 1 is structure of the invention mine tailings processing step schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of processing method of oxygen leaching mine tailings, it is described
Processing method includes the following steps:
(1), the mine tailings raw material of collection is transported in feed bin, the mine tailings being collected into feed bin stack air-dried
Processing；
(2), the mine tailings raw material stacked after air-drying is transported in crushing device by conveyer belt and is crushed, after broken
Material can be improved the rate of subsequent reaction in furnace；
(3), broken mine tailings are carried out by singly walking a conveyer belt after mixing with other aqueous less materials
Material mixes further dehydration, because the mine tailings are aqueous, viscosity is larger；
(4), dewatered mine tailings are subjected to ingredient, the high sulphur property of the high-speed rail of the mine tailings and aurosulfo ore are close, can be with
It is used in mixed way with aurosulfo ore, the mixture is made of mine tailings and aurosulfo ore, and the ratio of the mine tailings and aurosulfo ore is about 3:
1；
(5), after the completion of ingredient, the material of various reactions and mine tailings is thrown into furnace and reacted, the mine tailings throw stove
Body step are as follows:
(1), the first stage puts into 30.909 tons of mine tailings, and 10.267 tons of aurosulfo ore, the process that feeds intake is continuous dosing, investment
Composite ore is 36.827 ton/hours, and wherein the mixture of aurosulfo ore and mine tailings composition is 1.841 ton/hours, lime stone
0.418 ton/hour, continuous dosing is about 22.336 hours；
(2), it after the completion of the first stage feeds intake, carries out second stage and feeds intake, put into 33.425 tons of mine tailings, aurosulfo ore
11.142 tons, the process that feeds intake is continuous dosing, and investment composite ore is that 37.260 ton/hours, wherein aurosulfo ore and mine tailings form
Mixture be 3.726 ton/hours, 0.418 ton/hour of lime stone, continuous dosing is about 11.9611 hours；
(3), after the completion of second stage feeds intake, the progress phase III feeds intake, and puts into 40.758 tons of mine tailings, aurosulfo ore
13.746 tons, the process that feeds intake is continuous dosing, puts into 35.370 ton/hours of composite ore, and wherein aurosulfo ore and mine tailings form
5.305 ton/hours of mixture, 0.418 ton/hour of lime stone, continuous dosing is about 10.2741 hours.
The period that the bottom convertor goes out high lead slag is 2 hours, after feeding intake, the high lead slag of the working of a furnace and output to per stage into
Row analysis, the first stage, the working of a furnace is basicly stable, and high lead slag leaded up to 50~60% is unfavorable for subsequent reduction furnace refining；The
Two-stage, the working of a furnace are stablized, and high lead slag is leaded and zinc respectively may be about 44% and 10%；Phase III, furnace temperature are stablized, and high lead slag is leaded
Lower than 41%, it is unfavorable for the refining of sequential reduction furnace.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of processing method of oxygen leaching mine tailings, it is characterised in that: the processing method includes the following steps:
(1), the mine tailings raw material of collection is transported in feed bin, the mine tailings being collected into feed bin is carried out to stack air-dried place
Reason；
(2), the mine tailings raw material stacked after air-drying is transported in crushing device by conveyer belt and is crushed, broken object
Material can be improved the rate of subsequent reaction in furnace；
(3), broken mine tailings are subjected to material by singly walking a conveyer belt after mixing with other aqueous less materials
Further dehydration is mixed, because the mine tailings are aqueous, viscosity is larger；
(4), dewatered mine tailings are subjected to ingredient, the high sulphur property of the high-speed rail of the mine tailings and aurosulfo ore are close, can be with sulphur
Gold sand is used in mixed way；
(5), after the completion of ingredient, the material of various reactions and mine tailings is thrown into furnace and reacted, the mine tailings throw hotplate body step
Suddenly are as follows:
(1), the first stage puts into 30.909 tons of mine tailings, and 10.267 tons of aurosulfo ore, the process that feeds intake is continuous dosing, investment mixing
Mine is 36.827 ton/hours, and wherein the mixture of aurosulfo ore and mine tailings composition is 1.841 ton/hours, 0.418 ton of lime stone/
Hour, the continuous dosing time；
(2), it after the completion of the first stage feeds intake, carries out second stage and feeds intake, put into 33.425 tons of mine tailings, aurosulfo ore 11.142
Ton, the process that feeds intake are continuous dosing, and investment composite ore is 37.260 ton/hours, wherein the mixing of aurosulfo ore and mine tailings composition
Material be 3.726 ton/hours, 0.418 ton/hour of lime stone, the continuous dosing time；
(3), after the completion of second stage feeds intake, the progress phase III feeds intake, and puts into 40.758 tons of mine tailings, aurosulfo ore 13.746
Ton, the process that feeds intake are continuous dosing, put into 35.370 ton/hours of composite ore, wherein the mixture of aurosulfo ore and mine tailings composition
5.305 ton/hours, 0.418 ton/hour of lime stone, the continuous dosing time.
2. a kind of processing method of oxygen leaching mine tailings according to claim 1, it is characterised in that: at the bottom of per stage
The period that blown converter goes out high lead slag is 2 hours, and the mixture inventory of mine tailings and aurosulfo ore composition accounts for the ratio of investment composite ore
It is 10%, after feeding intake, the high lead slag of output is analyzed, high lead slag is leaded and zinc is respectively 44% and 10%.
3. a kind of processing method of oxygen leaching mine tailings according to claim 1, it is characterised in that: the mixture by
Mine tailings and aurosulfo ore composition.
4. a kind of processing method of oxygen leaching mine tailings according to claim 1, it is characterised in that: the in-furnace temperature
It is maintained between 900~1050 degrees Celsius.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710468931.8A CN107254586B (en) | 2017-06-20 | 2017-06-20 | A kind of processing method of oxygen leaching mine tailings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710468931.8A CN107254586B (en) | 2017-06-20 | 2017-06-20 | A kind of processing method of oxygen leaching mine tailings |
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| Publication Number | Publication Date |
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| CN107254586A CN107254586A (en) | 2017-10-17 |
| CN107254586B true CN107254586B (en) | 2019-05-14 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055764A (en) * | 1991-05-14 | 1991-10-30 | 林永昌 | Aurosulfo ore waste slag sintering treatment method and agglomerate thereof |
| CN101341265A (en) * | 2005-06-13 | 2009-01-07 | 尤米科尔公司 | Separation of metal values in zinc leaching residues |
| CN101985695A (en) * | 2010-11-22 | 2011-03-16 | 云南祥云飞龙有色金属股份有限公司 | Method for processing zinc leaching residues at high proportion by using oxygen bottom blown furnace |
| CN103421955A (en) * | 2013-07-23 | 2013-12-04 | 湖南水口山有色金属集团有限公司 | Zinc leaching slag treatment method |
| CN104876191A (en) * | 2014-12-12 | 2015-09-02 | 荆门新洋丰中磷肥业有限公司 | Method for treating waste ferrous sulphate by sulfide enriched concentrate-based acid making device |
| CN105197896A (en) * | 2015-10-02 | 2015-12-30 | 株洲火炬工业炉有限责任公司 | Method for normal-pressure distillation of zinc direct-dipping residue to extract sulfur |
-
2017
- 2017-06-20 CN CN201710468931.8A patent/CN107254586B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055764A (en) * | 1991-05-14 | 1991-10-30 | 林永昌 | Aurosulfo ore waste slag sintering treatment method and agglomerate thereof |
| CN101341265A (en) * | 2005-06-13 | 2009-01-07 | 尤米科尔公司 | Separation of metal values in zinc leaching residues |
| CN101985695A (en) * | 2010-11-22 | 2011-03-16 | 云南祥云飞龙有色金属股份有限公司 | Method for processing zinc leaching residues at high proportion by using oxygen bottom blown furnace |
| CN103421955A (en) * | 2013-07-23 | 2013-12-04 | 湖南水口山有色金属集团有限公司 | Zinc leaching slag treatment method |
| CN104876191A (en) * | 2014-12-12 | 2015-09-02 | 荆门新洋丰中磷肥业有限公司 | Method for treating waste ferrous sulphate by sulfide enriched concentrate-based acid making device |
| CN105197896A (en) * | 2015-10-02 | 2015-12-30 | 株洲火炬工业炉有限责任公司 | Method for normal-pressure distillation of zinc direct-dipping residue to extract sulfur |
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| CN107254586A (en) | 2017-10-17 |
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Effective date of registration: 20240604 Address after: 810001 No. 54, 52 Avenue, Xining, Qinghai Patentee after: WESTERN MINING Co.,Ltd. Country or region after: China Patentee after: QINGHAI XIYU NONFERROUS METALS CO.,LTD. Patentee after: WESTERN MINING GROUP TECHNOLOGY DEVELOPMENT CO.,LTD. Patentee after: QINGHAI WESTERN MINING INDUSTRY ENGINEERING TECHNOLOGY RESEARCH CO.,LTD. Address before: 810001 No. 54, 52 Avenue, Xining, Qinghai Patentee before: WESTERN MINING Co.,Ltd. Country or region before: China Patentee before: QINGHAI XIYU NONFERROUS METALS CO.,LTD. Patentee before: WESTERN MINING GROUP TECHNOLOGY DEVELOPMENT CO.,LTD. Patentee before: Qinghai West Mining Technology Co.,Ltd. Patentee before: QINGHAI WESTERN MINING INDUSTRY ENGINEERING TECHNOLOGY RESEARCH CO.,LTD. |