CN105648233A - Smelting reduction method for secondary lead - Google Patents
Smelting reduction method for secondary lead Download PDFInfo
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- CN105648233A CN105648233A CN201610020187.0A CN201610020187A CN105648233A CN 105648233 A CN105648233 A CN 105648233A CN 201610020187 A CN201610020187 A CN 201610020187A CN 105648233 A CN105648233 A CN 105648233A
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- Prior art keywords
- lead
- smelting
- iron oxide
- coke
- anthracite
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- 238000003723 Smelting Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000009467 reduction Effects 0.000 title claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- 239000011505 plaster Substances 0.000 claims abstract description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003830 anthracite Substances 0.000 claims abstract description 15
- 239000000571 coke Substances 0.000 claims abstract description 15
- 238000005303 weighing Methods 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000005469 granulation Methods 0.000 claims abstract 2
- 230000003179 granulation Effects 0.000 claims abstract 2
- 239000011133 lead Substances 0.000 claims description 94
- 229940067573 brown iron oxide Drugs 0.000 claims description 27
- 239000002893 slag Substances 0.000 claims description 24
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 claims description 9
- 229910052924 anglesite Inorganic materials 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 238000009628 steelmaking Methods 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 9
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 9
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 235000013980 iron oxide Nutrition 0.000 description 4
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 229910052595 hematite Inorganic materials 0.000 description 2
- 239000011019 hematite Substances 0.000 description 2
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 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
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
-
- 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
Abstract
The invention discloses a smelting reduction method for secondary lead and belongs to smelting reduction methods of lead. The smelting reduction method for the secondary lead comprises the steps that firstly, lead-contained lead plaster waste, anthracite or coke, and iron oxide powder are weighed through a weighing feeder, the weight ratio of the anthracite or coke to the lead-contained lead plaster waste is 2%-20%, and the weight ratio of the iron oxide powder to the lead-contained lead plaster waste is 2%-20%; secondly, the weighed lead-contained lead plaster waste, the weighed anthracite or coke, and the weighed iron oxide powder are mixed through a mixer, so that a mixture is obtained; thirdly, the mixture is conveyed to a granulator for granulation, the particle size is 10-50 mm, then materials are conveyed to a feeding box at the top of a furnace through a belt conveyor, and the materials are conveyed into the smelting furnace through a spiral feeder below the feeding box so as to be smelted; and fourthly, the furnace temperature is adjusted to 900-1500 DEG C for reductive smelting, the iron oxide powder is reduced into metallic iron by controlling the smelting temperature, the smelting speed and the reduction atmosphere, and the metallic iron participates in the reductive smelting reaction of lead. According to the smelting reduction method for the secondary lead, the iron oxide powder replaces scrap iron to serve as a reducing agent, so that the production cost is greatly reduced, and good economic benefits and social benefits are achieved.
Description
Technical field
The present invention relates to a kind of plumbous smelting reducing method, particularly a kind of secondary lead smelting method of reducing.
Background technology
The primary raw material that lead-acid accumulator and other leaded waste materials are reviver, lead-acid accumulator is de-through cracking and sortingAfter sulphur, isolate metallic lead part and lead plaster part, and then smelt respectively. At present, the production of reviver comprises pyrogenic process smeltingSweetening process, wet method smelting process etc., wherein pyrometallurgical smelting process uses comparatively general. The direct cold melt of metallic lead part is producedLead, the lead in lead plaster part mainly exists with the form of plumbous oxide and lead sulfate, need carry out high temperature reduction melting. To orderBefore till, the reducing agent that traditional reviver reduction melting is used is carbon and iron filings, wherein adopts iron filings to reduce as reviverReducing agent in melting, is secondary lead smelting industry constant technique fixed pattern in decades, unmanned change, unmanned breakthrough.
In reviver reduction melting, use iron filings as reducing agent, its objective is that to make metallic iron and lead sulfate, vulcanized lead anti-Should generate ferric sulfate, iron sulfide, lead is cemented out. Iron filings are with cast-iron scrap the best, are produced and the cast iron that produces by cast iron partBits amount less, market is well sold and in short supply, and price is high. The iron filings of high price are applied in production as the reducing agent of lead smelting, make the life of reviverProduce cost and significantly improve, be unfavorable for reviver large-scale production.
Summary of the invention
The problem and the deficiency that exist for above-mentioned prior art, also the object of the present invention is to provide a kind of secondary lead smeltingFormer method, the iron filings that solve high price are applied in production as the reducing agent of lead smelting, and the production cost of reviver significantly improvesProblem.
The object of the present invention is achieved like this: its method is as follows:
(1), Weighing feeder takes lead plaster containing scrap lead, anthracite or coke, brown iron oxide; Wherein anthracite or coke and leadCream is containing scrap lead weight ratio 2-20%, and brown iron oxide and lead plaster are containing scrap lead weight ratio 2-20%;
(2), by batch mixer, the lead plaster of weighing is carried out to batch mixing containing scrap lead, anthracite or coke, brown iron oxide, acquisition mixingMaterial;
(3), compound is delivered to granulator and granulates, particle diameter 10-50mm, then delivers to top filling through belt conveyorCase, is transported material in smelting furnace and is smelted by the screw(-type) feeder of charging box bottom;
(4), adjust furnace temperature and carry out reducing and smelting to 900-1500 DEG C, will be oxidized by controlling smelting temperature, speed, reducing atmosphereIron powder reducing becomes metallic iron, and metallic iron participates in plumbous reduction melting reaction; The fundamental reaction equation relating to is specific as follows:
2C＋O2→2CO↑
C＋O2→CO2↑
Fe2O?＋3CO→2Fe＋3CO2↑
2Fe2O?＋3C→4Fe＋3CO2↑
PbSO4＋Fe→Pb＋FeSO4
PbSO4＋4C→PbS＋4CO↑
PbSO4＋PbS→2Pb＋2SO2↑
PbS＋Fe→Pb＋FeS
PbO＋Fe→Pb＋FeO
2PbO＋C→2Pb＋CO2↑
PbO＋C→Pb＋CO↑
PbO＋CO→Pb＋CO2↑
PbO2＋C→Pb＋CO2↑
Material produces metallic lead, smelting slag through melting, and flue gas is through residual neat recovering system, flue gas dust collecting system dedusting, desulfurization systemAfter system desulfurization is up to standard, enter atmosphere, metallic lead and smelting slag are by putting plumbous mouth, slag tap discharge metallic lead and smelting slag; Smelting slagMiddle metallic lead content is low, Pb≤1.8%.
Described lead plaster is lead oxide, lead peroxide, lead sulfate, metallic lead fine grained containing scrap lead composition.
Described anthracite or coke, fixing carbon content≤75%, granularity 100 orders-3mm, joins containing scrap lead weight with lead plasterCompare 2-20%.
Described brown iron oxide is the brown iron oxide of ground hematite, magnetite powder, brown ocher, the generation of steel-making ironmaking processesBits, iron is containing amount≤60%, and granularity 200 orders-3mm, contains scrap lead weight proportion 2-20% with lead plaster.
Beneficial effect, owing to having adopted such scheme,
(1), brown iron oxide is directly allocated melting in lead plaster into, and smelting operation is disposable to be completed, and has improved melting automation mechanized operation journeyDegree, has saved the operation that former iron filings need add by stages and in groups in the melting later stage, and smelting time has shortened four points than former smelting timeOne of, natural gas consumption reduces 15-25%. Production capacity increases per capita simultaneously, and other consumption also decreases.
(2), with brown iron oxide replacement iron filings, as reducing agent, in fusion process, iron oxide is reduced into metallic iron, metalIron participates in plumbous reduction reaction, can increase the mobility of smelting slag, slag, plumbous separator well, and the metallic lead content in slag is low, has improvedThe rate of recovery of lead metal.
(3), adopt brown iron oxide to replace iron filings as reducing agent, compared with iron filings, brown iron oxide resource is many, amount great Yi, there is generality, suitable reviver large-scale production.
(4), brown iron oxide is cheap, and the price of brown iron oxide is only iron filings 1/3rd to 1/4th, with oxidationIron powder can significantly reduce production cost as reducing agent, produces only iron filings cost 80-120 unit of reviver per ton, hasEconomic benefit and social benefit preferably.
(5), theoretically and practice is raw has changed original traditional reviver and add iron filings smelting reducing technique.
Detailed description of the invention
Secondary lead smelting method of reducing, step is as follows:
(1), Weighing feeder takes lead plaster containing scrap lead, anthracite or coke, brown iron oxide; Wherein anthracite or coke and leadCream is containing scrap lead weight ratio 2-20%, and brown iron oxide and lead plaster are containing scrap lead weight ratio 2-20%;
(2), by batch mixer, the lead plaster of weighing is carried out to batch mixing containing scrap lead, anthracite or coke, brown iron oxide, acquisition mixingMaterial;
(3), compound is delivered to granulator and granulates, particle diameter 10-50mm, then delivers to top filling through belt conveyorCase, is transported material in smelting furnace and is smelted by the screw(-type) feeder of charging box bottom;
(4), adjust furnace temperature and carry out reducing and smelting to 900-1500 DEG C, will be oxidized by controlling smelting temperature, speed, reducing atmosphereIron powder reducing becomes metallic iron, and metallic iron participates in plumbous reduction melting reaction; The fundamental reaction equation relating to is specific as follows:
2C＋O2→2CO↑
C＋O2→CO2↑
Fe2O?＋3CO→2Fe＋3CO2↑
2Fe2O?＋3C→4Fe＋3CO2↑
PbSO4＋Fe→Pb＋FeSO4
PbSO4＋4C→PbS＋4CO↑
PbSO4＋PbS→2Pb＋2SO2↑
PbS＋Fe→Pb＋FeS
PbO＋Fe→Pb＋FeO
2PbO＋C→2Pb＋CO2↑
PbO＋C→Pb＋CO↑
PbO＋CO→Pb＋CO2↑
PbO2＋C→Pb＋CO2↑
Material produces metallic lead, smelting slag through melting, and flue gas is through residual neat recovering system, flue gas dust collecting system dedusting, desulfurization systemAfter system desulfurization is up to standard, enter atmosphere, metallic lead and smelting slag are by putting plumbous mouth, slag tap discharge lead and slag, metallic lead in smelting slagContent is low, Pb≤1.8%.
Described lead plaster is lead oxide, lead peroxide, lead sulfate, metallic lead fine grained containing scrap lead.
Described anthracite or coke, fixing carbon content≤75%, granularity 100 orders-3mm, joins containing scrap lead weight with lead plasterCompare 2-20%.
Described brown iron oxide is the brown iron oxide of ground hematite, magnetite powder, brown ocher, the generation of steel-making ironmaking processesBits, iron is containing amount≤60%, and granularity 200 orders-3mm, contains scrap lead weight proportion 2-20% with lead plaster.
Below in conjunction with embodiment, the invention will be further described,
Embodiment 1:
Step 1, Weighing feeder takes 187.5 tons of lead plasters etc. containing scrap lead; Take 10.31 tons and go back raw coal, go back raw coal proportion5.5%; Take 7.69 tons of brown iron oxides, brown iron oxide proportioning 4.1%;
Step 2, by batch mixer to the lead plaster of weighing etc. containing scrap lead, go back raw coal, brown iron oxide carries out batch mixing;
Step 3, the mass transport after batch mixing to granulator carries out delivering to top filling case through belt conveyor after pelletizing, logicalThe screw(-type) feeder of crossing charging box bottom transports material in smelting furnace to be smelted;
Step 4, adjusts furnace temperature to 1300 DEG C and carries out reducing and smelting, produces metallic lead and smelting slag, by putting plumbous mouthful, slag tap rowGo out lead and slag. Produce 112.5 tons of lead bullion.
Embodiment 2:
Step 1, Weighing feeder takes 200.2 tons of lead plasters etc. containing scrap lead; Take 25.02 tons and go back raw coal, go back raw coal proportion12.5%; Take 18.22 tons of brown iron oxides, brown iron oxide proportioning 9.1%;
Step 2, by batch mixer to the lead plaster of weighing etc. containing scrap lead, go back raw coal, brown iron oxide carries out batch mixing;
Step 3, the mass transport after batch mixing to granulator carries out delivering to top filling case through belt conveyor after pelletizing, logicalThe screw(-type) feeder of crossing charging box bottom transports material in smelting furnace to be smelted;
Step 4, adjusts furnace temperature to 1200 DEG C and carries out reducing and smelting, produces metallic lead and smelting slag, by putting plumbous mouthful, slag tap rowGo out lead and slag; Produce 122.5 tons of lead bullion.
Embodiment 3:
Step 1, Weighing feeder takes 192.5 tons of lead plasters etc. containing scrap lead; Take 29.8 tons and go back raw coal, go back raw coal proportion15.5%; Take 21.56 tons of brown iron oxides, brown iron oxide proportioning 11.2%;
Step 2, by batch mixer to the lead plaster of weighing etc. containing scrap lead, go back raw coal, brown iron oxide carries out batch mixing;
Step 3, the mass transport after batch mixing to granulator carries out delivering to top filling case through belt conveyor after pelletizing, logicalThe screw(-type) feeder of crossing charging box bottom transports material in smelting furnace to be smelted;
Step 4, adjusts furnace temperature to 1250 DEG C and carries out reducing and smelting, produces metallic lead and smelting slag, by putting plumbous mouthful, slag tap rowGo out lead and slag; Produce 119.35 tons of lead bullion.
Claims (4)
1. a secondary lead smelting method of reducing, is characterized in that:
(1), Weighing feeder takes lead plaster containing scrap lead, anthracite or coke, brown iron oxide; Wherein anthracite or coke and leadCream is containing scrap lead weight proportion 2-20%, and brown iron oxide and lead plaster are containing scrap lead weight proportion 2-20%;
(2), by batch mixer, the lead plaster of weighing is carried out to batch mixing containing scrap lead, anthracite or coke, brown iron oxide, acquisition mixingMaterial;
(3), compound is delivered to granulator and granulates, particle diameter 10-50mm, then delivers to top filling through belt conveyorCase, is transported material in smelting furnace and is smelted by the screw(-type) feeder of charging box bottom;
(4), adjust furnace temperature and carry out reducing and smelting to 900-1500 DEG C, will be oxidized by controlling smelting temperature, speed, reducing atmosphereIron powder reducing becomes metallic iron, and metallic iron participates in plumbous reduction melting reaction; The fundamental reaction equation relating to is specific as follows:
2C＋O2→2CO↑
C＋O2→CO2↑
Fe2O?＋3CO→2Fe＋3CO2↑
2Fe2O?＋3C→4Fe＋3CO2↑
PbSO4＋Fe→Pb＋FeSO4
PbSO4＋4C→PbS＋4CO↑
PbSO4＋PbS→2Pb＋2SO2↑
PbS＋Fe→Pb＋FeS
PbO＋Fe→Pb＋FeO
2PbO＋C→2Pb＋CO2↑
PbO＋C→Pb＋CO↑
PbO＋CO→Pb＋CO2↑
PbO2＋C→Pb＋CO2↑
Material produces metallic lead, smelting slag through melting, and flue gas is through residual neat recovering system, flue gas dust collecting system dedusting, desulfurization systemAfter system desulfurization is up to standard, enter atmosphere, metallic lead and smelting slag are by putting plumbous mouth, slag tap discharge metallic lead and smelting slag; Smelting slagMiddle metallic lead content is low, Pb≤1.8%.
2. a kind of secondary lead smelting method of reducing according to claim 1, is characterized in that: described brown iron oxide is redThe iron oxide break flour that Iron Ore Powder, magnetite powder, brown ocher, steel-making ironmaking processes produce, iron contains amount≤60%, granularity 200 orders-3mm。
3. a kind of secondary lead smelting method of reducing according to claim 1, is characterized in that: described anthracite or coke,Fixing carbon content≤75%, granularity 100 orders-3mm, contains scrap lead weight proportion 2-20% with lead plaster.
4. a kind of secondary lead smelting method of reducing according to claim 1, is characterized in that described brown iron oxide and lead plasterEnter smelting procedure containing after scrap lead weight proportion 2-20% mixing and granulation.
Priority Applications (1)
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| CN201610020187.0A CN105648233A (en) | 2016-01-13 | 2016-01-13 | Smelting reduction method for secondary lead |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610020187.0A CN105648233A (en) | 2016-01-13 | 2016-01-13 | Smelting reduction method for secondary lead |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282596A (en) * | 2016-08-27 | 2017-01-04 | 安徽省陶庄湖废弃物处置有限公司 | A kind of anaerobic pressurizing processes smelts the method for lead bearing waste |
| CN107475529A (en) * | 2017-06-16 | 2017-12-15 | 浙江工业大学 | Waste lead accumulator desulfurization lead plaster is integrally calcined the system and method for melting |
| CN109266865A (en) * | 2018-10-17 | 2019-01-25 | 湖北楚凯冶金有限公司 | A kind of smelting process of lead-acid accumulator lead plaster |
| CN110343865A (en) * | 2019-08-02 | 2019-10-18 | 四川正祥环保技术有限公司 | A kind of process using valuable metal in iron powder, cone glass recycling waste lead acid battery lead cream |
| CN113621810A (en) * | 2021-08-12 | 2021-11-09 | 尤全仁 | Waste lead-acid storage battery and lead-containing waste regenerated and reduced lead ingredient and preparation method thereof |
| CN115478169A (en) * | 2022-09-13 | 2022-12-16 | 六盘水中联工贸实业有限公司 | Microwave vacuum smelting method for lead sulfate slag |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106282596A (en) * | 2016-08-27 | 2017-01-04 | 安徽省陶庄湖废弃物处置有限公司 | A kind of anaerobic pressurizing processes smelts the method for lead bearing waste |
| CN106282596B (en) * | 2016-08-27 | 2018-07-03 | 安徽省陶庄湖废弃物处置有限公司 | A kind of method that anaerobic pressurizing processes smelt lead bearing waste |
| CN107475529A (en) * | 2017-06-16 | 2017-12-15 | 浙江工业大学 | Waste lead accumulator desulfurization lead plaster is integrally calcined the system and method for melting |
| CN107475529B (en) * | 2017-06-16 | 2019-05-31 | 浙江工业大学 | Waste lead accumulator desulfurization lead plaster integrally roasts the system and method for melting |
| CN109266865A (en) * | 2018-10-17 | 2019-01-25 | 湖北楚凯冶金有限公司 | A kind of smelting process of lead-acid accumulator lead plaster |
| CN109266865B (en) * | 2018-10-17 | 2021-01-01 | 湖北楚凯冶金有限公司 | Smelting method of lead paste of lead-acid storage battery |
| CN110343865A (en) * | 2019-08-02 | 2019-10-18 | 四川正祥环保技术有限公司 | A kind of process using valuable metal in iron powder, cone glass recycling waste lead acid battery lead cream |
| CN110343865B (en) * | 2019-08-02 | 2021-07-27 | 四川正祥环保技术有限公司 | Process method for recovering valuable metals in lead plaster of waste lead-acid storage battery by using iron powder and cone glass |
| CN113621810A (en) * | 2021-08-12 | 2021-11-09 | 尤全仁 | Waste lead-acid storage battery and lead-containing waste regenerated and reduced lead ingredient and preparation method thereof |
| CN115478169A (en) * | 2022-09-13 | 2022-12-16 | 六盘水中联工贸实业有限公司 | Microwave vacuum smelting method for lead sulfate slag |
| CN115478169B (en) * | 2022-09-13 | 2023-08-18 | 六盘水中联工贸实业有限公司 | Microwave vacuum smelting method for lead sulfate slag |
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