CN110184474A - A kind of chloride plate low temperature casting process - Google Patents
A kind of chloride plate low temperature casting process Download PDFInfo
- Publication number
- CN110184474A CN110184474A CN201910410302.9A CN201910410302A CN110184474A CN 110184474 A CN110184474 A CN 110184474A CN 201910410302 A CN201910410302 A CN 201910410302A CN 110184474 A CN110184474 A CN 110184474A
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- China
- Prior art keywords
- lead
- liquid
- ing
- decopper
- lead liquid
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
-
- 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
- C22B13/06—Refining
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
-
- 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 belongs to lead pyrometallurgical smelting fields, it is related to a kind of chloride plate low temperature casting process, lead bullion liquid is first carried out continuous decopper(ing) and obtains removal of impurities lead liquid by the technique, removal of impurities lead liquid is cooled to 330-340 DEG C again, the copper in the lead liquid that cleans further is removed by the effect of cooling dissolved, then it casts under 330-340 DEG C of constant temperature, obtains chloride plate.Compared with existing chloride plate casting process, the beneficial effects of the present invention are: cooling dissolved ensure that the deep removal of copper and other impurities, anode plate purity is improved, has prevented anode plate and Lead Foam has occurred, improves lead Faradaic current efficiency；Simultaneously because cast temperature is low, gas consumption is reduced.
Description
Technical field
The invention belongs to lead pyrometallurgical smelting fields, are related to a kind of chloride plate low temperature casting process.
Background technique
The process flow that most of smeltery's chloride plate casting use at present are as follows: lead bullion carries out liquate in decopper(ing) pot and removes
Copper, lead liquid cupric is even higher 0.12% or so after copper removal, then by the control of lead liquid temperature 370-390 DEG C cast, by
Be not thorough in its copper removal, all there is certain Lead Foam in the anode plate cast, the anode plate with Lead Foam by electrolysis after,
Lead Foam swims in cell surface, forms short circuit, drastically influences the current efficiency of lead electrolysis, and then influence economic benefit.
In face of anode plate Lead Foam problem.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide one kind, and the anode plate in casting can effectively be avoided to generate
Lead Foam has the characteristics that easy to operate, process flow is short, the chloride plate low temperature casting process of good impurity removing effect.
The technical scheme is that a kind of chloride plate low temperature casting process, the technique the following steps are included:
S10. lead bullion liquid is subjected to continuous decopper(ing) and obtains removal of impurities lead liquid；
S20. S10 is obtained into removal of impurities lead liquid and further decopper(ing) is carried out using low temperature dissolved, obtain decopper(ing) lead liquid；
S30. decopper(ing) lead liquid will be obtained under constant temperature conditions in casting die, chloride plate is obtained after cooling and demolding.
According to the embodiment of the present disclosure, the S10's specifically comprises the processes of:
S101. the lead bullion liquid that temperature is 850-900 DEG C is added into continuous decopper(ing) furnace,
S102. it is calculated by lead bullion liquid copper content and sulphur is added, obtain lead copper matte and removal of impurities lead liquid, cupric is in the lead liquid that cleans
1wt% or less.
According to the embodiment of the present disclosure, the S20's specifically comprises the processes of:
S201. it will obtain that lead is added in removal of impurities lead liquid, removal of impurities lead liquid is made to be cooled to 330-340 DEG C；
S202. the form for floating on the dross of lead liquid surface In Crystal Solid Copper is removed, obtains decopper(ing) lead liquid, cupric in decopper(ing) lead liquid
Amount is 0.06-0.07wt%.
According to the embodiment of the present disclosure, the S30's specifically comprises the processes of:
S301. mold to be cast first is subjected to Baking out, is heated to 300-350 DEG C,
S302. decopper(ing) lead liquid surface layer is removed, removal amount is the 0.1-0.4wt% of decopper(ing) lead liquid total amount, is 330-340 in temperature
At DEG C, by the mold after decopper(ing) lead liquid casting to heating, chloride plate is obtained after cooling and demolding.
According to the embodiment of the present disclosure, the copper content of the chloride plate is 0.06wt% or less.
A kind of chloride plate, the chloride plate cast to obtain using above-mentioned technique.
The beneficial effects of the present invention are: due to the adoption of the above technical scheme, method cooling dissolved of the invention ensure that copper
And the deep removal of other impurity, anode plate purity is improved, has prevented anode plate and Lead Foam has occurred, improves lead electrolysis electricity
Flow efficiency；Simultaneously because cast temperature is low, gas consumption is reduced, while lead liquid cupric is reduced to by this new process
0.06wt% effectively avoids the generation of anode plate Lead Foam, improves electric current hereinafter, solve the problems, such as that copper removal is halfway
Efficiency.
Detailed description of the invention
Fig. 1 is the flow chart that the present invention is a kind of chloride plate low temperature casting process.
Specific embodiment
The present invention is described in further detail by the following examples, but the scope of the present invention is not limited to these implementations
Example.
As shown in Figure 1, a kind of chloride plate low temperature casting process of the present invention, the technique the following steps are included:
S10. lead bullion liquid is subjected to continuous decopper(ing) and obtains removal of impurities lead liquid；
S20. S10 is obtained into removal of impurities lead liquid and further decopper(ing) is carried out using low temperature dissolved, obtain decopper(ing) lead liquid；
S30. decopper(ing) lead liquid will be obtained to be cast in mold under constant temperature conditions, chloride plate is obtained after cooling and demolding.
According to the embodiment of the present disclosure, the S10's specifically comprises the processes of:
S101. the lead bullion liquid that temperature is 850-900 DEG C is added into continuous decopper(ing) furnace,
S102. it is calculated by lead bullion liquid copper content and sulphur is added, obtain lead copper matte and removal of impurities lead liquid, cupric is in the lead liquid that cleans
1wt% or less.
According to the embodiment of the present disclosure, the S20's specifically comprises the processes of:
S201. it will obtain that lead is added in removal of impurities lead liquid, removal of impurities lead liquid is made to be cooled to 330-340 DEG C；
S202. the form for floating on the dross of lead liquid surface In Crystal Solid Copper is removed, obtains decopper(ing) lead liquid, cupric in decopper(ing) lead liquid
Amount is 0.06-0.07wt%.
According to the embodiment of the present disclosure, the S30's specifically comprises the processes of:
S301. mold to be cast first is subjected to Baking out, is heated to 300-350 DEG C,
S302. decopper(ing) lead liquid surface layer is removed, removal amount is the 0.1-0.4wt% of decopper(ing) lead liquid total amount, is 330-340 in temperature
At DEG C, by the mold after decopper(ing) lead liquid casting to heating, chloride plate is obtained after cooling and demolding.
According to the embodiment of the present disclosure, the copper content of the chloride plate is 0.06wt% or less.
Embodiment 1
Lead bullion liquid is added into continuous decopper(ing) furnace, is calculated by lead liquid copper content and sulphur is added, obtains lead copper matte and removal of impurities lead liquid,
Removal of impurities lead liquid cupric 1wt% hereinafter, again will removal of impurities lead liquid be cooled to 330 DEG C of progress dissolved decopper(ing)s, obtained decopper(ing) lead liquid cupric
0.065wt%, then keeping temperature is 330 DEG C, is cast, and obtains chloride plate cupric and is less than 0.04wt%, in casting process
Lead Foam is not generated.
Embodiment 2
Lead bullion liquid is added into continuous decopper(ing) furnace, is calculated by lead liquid copper content and sulphur is added, obtains lead copper matte and removal of impurities lead liquid,
Removal of impurities lead liquid cupric 1wt% hereinafter, again will removal of impurities lead liquid be cooled to 335 DEG C of progress dissolved decopper(ing)s, obtained decopper(ing) lead liquid cupric
0.067wt%, then keeping temperature is 335 DEG C, is cast, and obtains chloride plate cupric and is less than 0.04wt%, in casting process
Lead Foam is not generated.
Embodiment 3
Lead bullion liquid is added into continuous decopper(ing) furnace, is calculated by lead liquid copper content and sulphur is added, obtains lead copper matte and removal of impurities lead liquid,
Removal of impurities lead liquid cupric 1wt% hereinafter, again will removal of impurities lead liquid be cooled to 340 DEG C of progress dissolved decopper(ing)s, obtained decopper(ing) lead liquid cupric
0.07wt%, then keeping temperature is 340 DEG C, is cast, and obtains chloride plate cupric and is less than 0.05wt%, in casting process not
Generate Lead Foam.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still be within the scope of the patent of the present invention.
Claims (6)
1. a kind of chloride plate low temperature casting process, which is characterized in that the technique the following steps are included:
S10. lead bullion liquid is subjected to continuous decopper(ing) and obtains removal of impurities lead liquid；
S20. S10 is obtained into removal of impurities lead liquid and further decopper(ing) is carried out using low temperature dissolved, obtain decopper(ing) lead liquid；
S30. the decopper(ing) lead liquid that S20 is obtained is cast in mold under constant temperature conditions, chloride plate is obtained after cooling and demolding.
2. technique according to claim 1, which is characterized in that the S10's specifically comprises the processes of:
S101. the lead bullion liquid that temperature is 850-900 DEG C is added into continuous decopper(ing) furnace,
S102. it is calculated by copper content in lead bullion liquid and sulphur is added, obtain lead copper matte and removal of impurities lead liquid, cupric is in the lead liquid that cleans
1wt% or less.
3. technique according to claim 1, which is characterized in that the S20's specifically comprises the processes of:
S201. it will obtain that lead is added in removal of impurities lead liquid, removal of impurities lead liquid is made to be cooled to 330-340 DEG C；
S202. the form for floating on the dross of lead liquid surface In Crystal Solid Copper is removed, obtains decopper(ing) lead liquid, contains in the decopper(ing) lead liquid
Amount of copper is 0.06-0.07wt%.
4. technique according to claim 1, which is characterized in that the S30's specifically comprises the processes of:
S301. mold to be cast first is subjected to Baking out, is heated to 300-350 DEG C,
S302. decopper(ing) lead liquid surface layer dross is removed, removal amount is the 0.1-0.4wt% of decopper(ing) lead liquid total amount, is maintained at temperature
It is, by the mold after decopper(ing) lead liquid casting to heating, chloride plate to be obtained after cooling and demolding at 330-340 DEG C.
5. technique according to claim 1, which is characterized in that the copper content of the chloride plate is 0.06wt% or less.
6. a kind of chloride plate, which is characterized in that the chloride plate is cast using the technique of claim 1-5 any one
It arrives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410302.9A CN110184474B (en) | 2019-05-16 | 2019-05-16 | Low-temperature casting process for lead anode plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410302.9A CN110184474B (en) | 2019-05-16 | 2019-05-16 | Low-temperature casting process for lead anode plate |
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| CN110184474A true CN110184474A (en) | 2019-08-30 |
| CN110184474B CN110184474B (en) | 2022-02-11 |
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| CN201910410302.9A Active CN110184474B (en) | 2019-05-16 | 2019-05-16 | Low-temperature casting process for lead anode plate |
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Citations (7)
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|---|---|---|---|---|
| CN101260481A (en) * | 2008-05-06 | 2008-09-10 | 宁夏天马冶化（集团）股份有限公司 | Method for producing high-purity lead |
| 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 |
| CN104674018A (en) * | 2014-12-22 | 2015-06-03 | 芜湖市民泰铜业有限责任公司 | Method for chemical copper removal of wet lead |
| CN104711433A (en) * | 2014-12-22 | 2015-06-17 | 芜湖市民泰铜业有限责任公司 | Method for removing copper of crude lead through cooling |
| CN106756090A (en) * | 2016-12-21 | 2017-05-31 | 中国恩菲工程技术有限公司 | The method of the continuous decopper(ing) of lead bullion |
| CN206799711U (en) * | 2017-04-14 | 2017-12-26 | 安徽省华鑫铅业集团有限公司 | Reviver low temperature continuous smelting device |
-
2019
- 2019-05-16 CN CN201910410302.9A patent/CN110184474B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260481A (en) * | 2008-05-06 | 2008-09-10 | 宁夏天马冶化（集团）股份有限公司 | Method for producing high-purity 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 |
| 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 |
| CN104674018A (en) * | 2014-12-22 | 2015-06-03 | 芜湖市民泰铜业有限责任公司 | Method for chemical copper removal of wet lead |
| CN104711433A (en) * | 2014-12-22 | 2015-06-17 | 芜湖市民泰铜业有限责任公司 | Method for removing copper of crude lead through cooling |
| CN106756090A (en) * | 2016-12-21 | 2017-05-31 | 中国恩菲工程技术有限公司 | The method of the continuous decopper(ing) of lead bullion |
| CN206799711U (en) * | 2017-04-14 | 2017-12-26 | 安徽省华鑫铅业集团有限公司 | Reviver low temperature continuous smelting device |
Non-Patent Citations (1)
| Title |
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| 武鹏举: ""铅精炼大极板工艺"泡沫铅"的产生和处理"", 《世界有色金属》 * |
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| CB02 | Change of applicant information |
Address after: 335400 No. 15 metallurgical Avenue, Yingtan, Jiangxi, Guixi Applicant after: Jiangxi Copper Co., Ltd. Address before: No. 7666 high tech Zone Chang East Road 330096 Jiangxi city of Nanchang Province Applicant before: Jiangxi Copper Co., Ltd. |
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