CN104711433A - Method for removing copper of crude lead through cooling - Google Patents
Method for removing copper of crude lead through cooling Download PDFInfo
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- CN104711433A CN104711433A CN201410796820.6A CN201410796820A CN104711433A CN 104711433 A CN104711433 A CN 104711433A CN 201410796820 A CN201410796820 A CN 201410796820A CN 104711433 A CN104711433 A CN 104711433A
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- China
- Prior art keywords
- solution
- copper
- lead
- cooling
- lead bullion
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for removing copper of crude lead through cooling, which belongs to the field of non ferrous metal. The method comprises the following steps: 1)preparing a solution; 2)cooling; 3)removing impurities; 4)heating; 5)performing secondary cooling; and performing secondary impurity removal. The method solves the problem that in the subsequent copper removal process, the current crude lead smelting can not effectively remove large-scale copper, so that production efficiency is low, and the method has the advantages of simple process, low cost and easy processing.
Description
Technical field
The invention belongs to non-ferrous metal field, more particularly, relate to a kind of method for lead bullion decopper(ing).
Background technology
Lead is widely used industrial at present, especially maximum at electrical industry department consumption, is mainly used to manufacture store battery, various cable protection skin, fuse wire etc.Stereotype and lead pipe are often done to smelt and chemical industry equipment antiseptic acidproof lining, corrosion cap, plumbous protective layer and the protective shield being also used as nuclear industry and X-ray.Plumbous compound is used for pigment industry, glass industry, petroleum industry and medical department etc.But lead is in the process of processing refinement, containing objectionable impuritiess such as copper, in the subsequent handling of lead smelt, need copper to go out, to improve plumbous purity.
Summary of the invention
Remove in copper process for the follow-up of existing lead smelt, very effectively copper can not be removed in enormous quantities, and the problem causing production efficiency low, the invention provides a kind of cooling copper-removing method of lead bullion, utilize the solubility with temperature of copper in lead bullion solution to decline and the principle of reduction, reached the object of decopper(ing) in enormous quantities by cooling.
For solving the problem, the present invention adopts following technical scheme.
A cooling copper-removing method for lead bullion, comprises the following steps:
(1) preparation of solution:
Lead bullion solution is released from blast furnace, and is transported in liquating apparatus by containing lead pan;
(2) lower the temperature:
Lead bullion solution is slow cooling to 680-700K;
(3) removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution;
(4) heat:
Lead bullion solution is heated to 1000-1050K;
(5) reducing temperature twice:
Lead bullion solution is slow cooling to 680-700K;
(6) secondary removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution.
Preferably, in described step (2) or step (5), lead bullion solution is slow cooling to 690K.
Compared to prior art, beneficial effect of the present invention is:
(1) the present invention utilizes the solubility with temperature of copper in lead bullion solution to decline and the principle of reduction, is reached the object of decopper(ing) in enormous quantities by reducing temperature twice.
(2) the inventive method is simple, and cost is low, handling ease.
Embodiment
Describe the present invention below in conjunction with embodiment.
embodiment 1
A cooling copper-removing method for lead bullion, comprises the following steps:
(1) preparation of solution:
Lead bullion solution is released from blast furnace, and is transported in liquating apparatus by containing lead pan;
(2) lower the temperature:
Lead bullion solution is slow cooling to 680K;
(3) removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution;
(4) heat:
Lead bullion solution is heated to 1000-1050K;
(5) reducing temperature twice:
Lead bullion solution is slow cooling to 680K;
(6) secondary removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution.
embodiment 2
A cooling copper-removing method for lead bullion, comprises the following steps:
(1) preparation of solution:
Lead bullion solution is released from blast furnace, and is transported in liquating apparatus by containing lead pan;
(2) lower the temperature:
Lead bullion solution is slow cooling to 690K;
(3) removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution;
(4) heat:
Lead bullion solution is heated to 1000-1050K;
(5) reducing temperature twice:
Lead bullion solution is slow cooling to 690K;
(6) secondary removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution.
Claims (2)
1. a cooling copper-removing method for lead bullion, is characterized in that following steps:
(1) preparation of solution:
Lead bullion solution is released from blast furnace, and is transported in liquating apparatus by containing lead pan;
(2) lower the temperature:
Lead bullion solution is slow cooling to 680-700K;
(3) removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution;
(4) heat:
Lead bullion solution is heated to 1000-1050K;
(5) reducing temperature twice:
Lead bullion solution is slow cooling to 680-700K;
(6) secondary removal of impurities:
Utilize the copper removing that copper removal equipment will float on lead solution.
2. the cooling copper-removing method of a kind of lead bullion according to claim 1, is characterized in that, in described step (2) or step (5), lead bullion solution is slow cooling to 690K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796820.6A CN104711433A (en) | 2014-12-22 | 2014-12-22 | Method for removing copper of crude lead through cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796820.6A CN104711433A (en) | 2014-12-22 | 2014-12-22 | Method for removing copper of crude lead through cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104711433A true CN104711433A (en) | 2015-06-17 |
Family
ID=53411149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410796820.6A Pending CN104711433A (en) | 2014-12-22 | 2014-12-22 | Method for removing copper of crude lead through cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104711433A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184474A (en) * | 2019-05-16 | 2019-08-30 | 江西铜业股份有限公司 | A kind of chloride plate low temperature casting process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE368032B (en) * | 1970-06-05 | 1974-06-17 | Aeg Elotherm Gmbh | |
| CN102978416A (en) * | 2012-12-23 | 2013-03-20 | 河南豫光金铅股份有限公司 | Device and method for continuously removing copper from liquid crude lead |
| CN103540762A (en) * | 2012-07-11 | 2014-01-29 | 陕西锌业有限公司 | Lead melting copper removal refining process for industrial frequency coreless-type electric induction furnace |
| CN103990634A (en) * | 2014-04-27 | 2014-08-20 | 沙明军 | Recovery method for electronic waste and waste lead-acid cells |
-
2014
- 2014-12-22 CN CN201410796820.6A patent/CN104711433A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE368032B (en) * | 1970-06-05 | 1974-06-17 | Aeg Elotherm Gmbh | |
| CN103540762A (en) * | 2012-07-11 | 2014-01-29 | 陕西锌业有限公司 | Lead melting copper removal refining process for industrial frequency coreless-type electric induction furnace |
| CN102978416A (en) * | 2012-12-23 | 2013-03-20 | 河南豫光金铅股份有限公司 | Device and method for continuously removing copper from liquid crude lead |
| CN103990634A (en) * | 2014-04-27 | 2014-08-20 | 沙明军 | Recovery method for electronic waste and waste lead-acid cells |
Non-Patent Citations (3)
| Title |
|---|
| 株洲冶炼厂: "《铅冶炼》", 31 December 1986 * |
| 谭宪章: "《冶金废旧杂料回收金属实用技术》", 31 January 2010 * |
| 赵俊学 等: "《冶金原理》", 30 June 2012 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184474A (en) * | 2019-05-16 | 2019-08-30 | 江西铜业股份有限公司 | A kind of chloride plate low temperature casting process |
| CN110184474B (en) * | 2019-05-16 | 2022-02-11 | 江西铜业股份有限公司 | Low-temperature casting process for lead anode plate |
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Legal Events
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 241000 Yue Jiang Road 3, Jiujiang Economic Development Zone, Wuhu, Anhui Applicant after: WUHU MINTAI COPPER INDUSTRY CO., LTD. Address before: 241000 room 605-606, electronic Pioneer Park, Hengshan Road 35, Wuhu economic and Technological Development Zone, Anhui Applicant before: WUHU MINTAI COPPER INDUSTRY CO., LTD. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |
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| RJ01 | Rejection of invention patent application after publication |