CN108511836A - A kind of lead mud recovery process of lead-acid accumulator - Google Patents
A kind of lead mud recovery process of lead-acid accumulator Download PDFInfo
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- CN108511836A CN108511836A CN201810247607.8A CN201810247607A CN108511836A CN 108511836 A CN108511836 A CN 108511836A CN 201810247607 A CN201810247607 A CN 201810247607A CN 108511836 A CN108511836 A CN 108511836A
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- lead
- desulfurization
- recovery process
- mud
- acid accumulator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- 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
-
- 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
-
- 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
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/18—Electrolytic production, recovery or refining of metals by electrolysis of solutions of lead
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of lead mud recovery process of lead-acid accumulator, are related to lead accumulator recycling field.The present invention includes spent acid separative element, fragmentation cell, waterpower separation unit, press filtration unit, desulfurization unit, condensing crystallizing unit and other auxiliary units, is included the following steps：S001 spent acid detaches；S002 solid waste is broken；S003 screenings press filtrations；S004 lead mud desulfurization；S005 lead mud press filtrations；S006 purifications, crystallization；S007 crystallizes desulfurization；S008 secondary desulfurations；Bis- press filtrations of S009.The recovery process that the present invention passes through design lead mud, the filtrate that the process of lead plaster desulfurization press filtration generates is carried out the mother liquor after purification crystallization to re-use, the filter residue of generation is carried out the filtrate after press filtration to re-use, reduce the environmental pollution in lead mud removal process, reduce production cost, repeatedly using purity is improved, the wasting of resources is avoided.
Description
Technical field
The invention belongs to lead accumulator recycling fields, more particularly to a kind of lead mud recovery process of lead-acid accumulator.
Background technology
Lead-acid accumulator is output maximum in current type battery in the world, using a kind of most wide battery of approach.In
State is the production and consumption big country of lead accumulator again, and the yield of lead accumulator accounts for about the 1/3 of world wide production, the electric power storage scrapped every year
Pond amount has reached 3,000,000 tons or more.Up to now, the consumption lead amount of lead accumulator will account for the 85.4% of lead total flow.Institute
With the reclaiming lead from scrap battery, highly important status is occupied in China's plumbing.It is many economically developed in the world
Country all attaches great importance to the recycling of reviver, and flourishing and medium-developed country's reviver yield accounts for the ratio of total output：It is beautiful
State is 70% or more, and 78% or more, global average level is 50% in Europe.
When lead-acid accumulator recycles, if dealt with improperly, high risks can be generated to the good environment of human body, so
It must adopt an effective measure, strengthen management, should ensure to extract reviver for producing, retrieve the consumption of resource, again maximum
Pollution of the reduction of limit to environment keeps economic environment to coordinate sustainable development.
Currently, the technological process of lead-acid accumulator processing mainly has 3 kinds in the world：
(1) scrap lead needs battery decladding to fall after the simple process such as acid, carries out pyrogenic process mixed smelting, obtains lead-antimony alloy；
(2) waste lead accumulator separates metal part and lead plaster part after cracking and sorting, and the two carries out pyrometallurgical smelting respectively,
Obtain lead-antimony alloy and lead bullion；
(3) waste lead accumulator separates metal part and lead plaster part after cracking and sorting, and lead plaster partial desulfurization is converted, then
The two carries out pyrometallurgical smelting respectively again, obtains lead-antimony alloy and refined lead.
Invention content
The purpose of the present invention is to provide a kind of lead mud recovery process of lead-acid accumulator, by the recycling work for designing lead mud
The filtrate that the process of lead plaster desulfurization press filtration generates is carried out the mother liquor after purification crystallization and re-used by skill, by the filter residue of generation into
Filtrate after row press filtration re-uses, and solves existing lead-acid battery in removal process, causes serious pollution to the environment, wastes money
The not high problem of source, purity.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of lead mud recovery process of lead-acid accumulator, is included the following steps：
Step S001 spent acid detaches：Lead-acid accumulator is dismantled；
Step S002 solid waste is broken：Solid waste is crushed and is sieved by physical method；
Step S003 screenings press filtrations：Processing is carried out to screening object by filter press and obtains lead mud；
Step S004 lead mud desulfurization：Desulfurization process is carried out to lead mud by desulfurizing agent；
Step S005 lead mud press filtrations：Press filtration is carried out to the lead mud after desulfurization, obtains first-time filtrate and filter residue；
Step S006 purifications, crystallization：First-time filtrate is purified, crystallization treatment；
Step S007 crystallizes desulfurization：After first-time filtrate is crystallized, step S004 is executed again；
Step S008 secondary desulfurations：The obtained filter residue of step S005 is subjected to secondary desulfuration；
Bis- press filtrations of step S009：Filter residue after desulfurization carries out secondary press filtration, desulfurization lead plaster and secondary filtrate is obtained, by two
Secondary filtrate recycling executes step S004 again.
Further, further comprising the steps of after the step S009：
Step P001 calcinations：Desulfurization lead plaster is put into curing room and is dried；
Step P002 is leached：It is leached by silicofluoric acid or boron fluoric acid；
Step P003 electrolytic depositions：It is electrolysed to obtain electrolytic lead to leaching deposition；
Step P004 refinement and fusion castings：Founding is carried out by the lead obtained to electrolysis, obtains pure lead pig.
Further, in the step S002, the sieve that screening uses 80 mesh is carried out to being crushed waste.
Further, in the step S002, after solid waste is broken, to oversize carry out waterpower sort to obtain plastics,
Rubber and grid.
Further, in the step S007, after filtrate crystallisation, desulfurization weight again will be carried out in mother liquor return to step S004
It is new to utilize.
Further, the grid is closed by pyrometallurgical smelting, refining recycling refined lead, or by adjusting ingredient recycling lead
Gold.
Further, in the step P001, solidification indoor temperature is adjusted to 80 °, and carries out 30 hours curing process.
The invention has the advantages that：
(1) by the recovery process of design lead mud, the filtrate that the process of lead plaster desulfurization press filtration is generated carries out net the present invention
Change the mother liquor after crystallization to re-use, the filter residue of generation, which is carried out the filtrate after press filtration, to be re-used, and is reduced lead mud and was recycled
Environmental pollution in journey, reduces production cost, repeatedly using purity is improved, avoids the wasting of resources.
(2) present invention by desulfurization cream carry out calcination leaching, obtained deposition is electrolysed, the lead for being electrolysed out into
Row founding is greatly improved the purity of lead pig.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is lead mud recovery process schematic diagram of the present invention；
Fig. 2 is lead mud recovery process flow chart of the present invention.
Specific implementation mode
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 describes, 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, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -2, the present invention is a kind of lead mud recovery process of lead-acid accumulator, is included the following steps：
Step S001 spent acid detaches：Lead-acid accumulator is dismantled, dismounting can cause acid mist pollution and noise pollution, right
The acid solution of battery, which carries out purification, can be used for preparing sulfuric acid；
Step S002 solid waste is broken：Solid waste is crushed and is sieved by physical method, physical method refers to
It is dissociated and is separated in water or in dense media；
Step S003 screenings press filtrations：Processing is carried out to screening object by filter press and obtains lead mud；
Step S004 lead mud desulfurization：Desulfurization process is carried out to lead mud by desulfurizing agent, desulfurization will produce heavy metal wastewater thereby；
Step S005 lead mud press filtrations：Press filtration is carried out to the lead mud after desulfurization, obtains first-time filtrate and filter residue；
Step S006 purifications, crystallization：First-time filtrate is purified, crystallization treatment；Purification is using cleanser to once filtering
Liquid is purified；Crystallization is come out sulfate crystal using the different solubility of sodium sulphate；
Step S007 crystallizes desulfurization：After first-time filtrate is crystallized, step S004 is executed again, and the mother liquor after crystallization carries out one
Secondary crystallization can desulfurization again, reduce utilization rate and environmental pollution, but be used for multiple times and can reduce efficiency, improve cost；
Step S008 secondary desulfurations：The obtained filter residue of step S005 is subjected to secondary desulfuration；
Bis- press filtrations of step S009：Filter residue after desulfurization carries out secondary press filtration, desulfurization lead plaster and secondary filtrate is obtained, by two
Secondary filtrate recycling executes step S004 again, and secondary filtrate is same to be detached from again, and utilization rate and environmental pollution are reduced.
Wherein, further comprising the steps of after step S009：
Step P001 calcinations：Desulfurization lead plaster is put into curing room and is dried, the water content of lead mud is made to be no more than 3%；
Step P002 is leached：It is leached by silicofluoric acid or boron fluoric acid；
Step P003 electrolytic depositions：Be electrolysed to obtain electrolytic lead to leaching deposition, by inert anode and starting sheet into
Row electrolysis can obtain poor electrolyte, poor electrolyte can be used for leaching operation, Reusability when electrolysis is completed；
Step P004 refinement and fusion castings：Founding is carried out by the lead obtained to electrolysis, obtains pure lead pig.
Wherein, in step S002, the sieve that screening uses 80 mesh is carried out to being crushed waste；Sieve mesh number of determining determines lead mud
Purity.
Wherein, in step S002, after solid waste is broken, waterpower is carried out to oversize and sorts to obtain plastics, rubber and plate
Grid.
Wherein, in step S007, after filtrate crystallisation, the re-using of desulfurization again will be carried out in mother liquor return to step S004.
Wherein, grid recycles metal by pyrometallurgical smelting, refining recycling refined lead, or by adjusting ingredient；Grid
Pyrometallurgical smelting obtains lead bullion；Lead bullion obtains metal by adding additive；Lead bullion can also pass through sodium hydroxide and sodium nitrate
Equal refinings obtain refined lead.
Wherein, in step P001, solidification indoor temperature is adjusted to 80 °, and carries out 30 hours curing process；By solidification
Lead mud afterwards becomes lead powder carrying out being polished into powder by grinder, facilitates carry out leaching process.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of lead mud recovery process of lead-acid accumulator, which is characterized in that include the following steps：
Step S001 spent acid detaches：Lead-acid accumulator is dismantled；
Step S002 solid waste is broken：Solid waste is crushed and is sieved by physical method；
Step S003 screenings press filtrations：Processing is carried out to screening object by filter press and obtains lead mud；
Step S004 lead mud desulfurization：Desulfurization process is carried out to lead mud by desulfurizing agent；
Step S005 lead mud press filtrations：Press filtration is carried out to the lead mud after desulfurization, obtains first-time filtrate and filter residue；Step S006 purifications,
Crystallization：First-time filtrate is purified, crystallization treatment；
Step S007 crystallizes desulfurization：After first-time filtrate is crystallized, step S004 is executed again；
Step S008 secondary desulfurations：The obtained filter residue of step S005 is subjected to secondary desulfuration；
Bis- press filtrations of step S009：Filter residue after desulfurization carries out secondary press filtration, desulfurization lead plaster and secondary filtrate is obtained, by secondary filter
Liquid recycling executes step S004 again.
2. a kind of lead mud recovery process of lead-acid accumulator according to claim 1, which is characterized in that the step S009
It is further comprising the steps of later：
Step P001 calcinations：Desulfurization lead plaster is put into curing room and is dried；
Step P002 is leached：It is leached by silicofluoric acid or boron fluoric acid；
Step P003 electrolytic depositions：It is electrolysed to obtain electrolytic lead to leaching deposition；
Step P004 refinement and fusion castings：Founding is carried out by the lead obtained to electrolysis, obtains pure lead pig.
3. a kind of lead mud recovery process of lead-acid accumulator according to claim 1, which is characterized in that the step S002
In, carry out the sieve that screening uses 80 mesh to being crushed waste.
4. a kind of lead mud recovery process of lead-acid accumulator according to claim 1, which is characterized in that the step S002
In, after solid waste is broken, waterpower is carried out to oversize and sorts to obtain plastics, rubber and grid.
5. a kind of lead mud recovery process of lead-acid accumulator according to claim 1, which is characterized in that the step S007
In, after filtrate crystallisation, the re-using of desulfurization again will be carried out in mother liquor return to step S004.
6. a kind of lead mud recovery process of lead-acid accumulator according to claim 4, which is characterized in that the grid passes through
Pyrometallurgical smelting, refining recycling refined lead, or recycle metal by adjusting ingredient.
7. a kind of lead mud recovery process of lead-acid accumulator according to claim 2, which is characterized in that the step P001
In, solidification indoor temperature is adjusted to 80 °, and carries out 30 hours curing process.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787695A (en) * | 2018-04-17 | 2018-11-13 | 安徽华铂再生资源科技有限公司 | A method of stereotype grid and plastics in the broken rear lead-acid accumulator of separation |
| CN112159901A (en) * | 2020-09-04 | 2021-01-01 | 安徽华铂再生资源科技有限公司 | Secondary lead extraction process for waste lead storage battery |
| CN113846223A (en) * | 2021-10-16 | 2021-12-28 | 安徽省华鑫铅业集团有限公司 | Method for desulfurizing, processing and recycling lead slime of waste battery |
| CN113943866A (en) * | 2021-10-16 | 2022-01-18 | 安徽省华鑫铅业集团有限公司 | Lead slime desulfurization recovery process of waste battery |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927510A (en) * | 1987-10-20 | 1990-05-22 | Engitec Impianti S.P.A. | Hydrometallurgical process for recovering in pure metal form all the lead contained in the active mass of exhausted batteries |
| CN101335370A (en) * | 2008-07-11 | 2008-12-31 | 东莞市松山科技集团有限公司 | Process implement full cycle regeneration of lead acid battery |
| CN103014354A (en) * | 2013-01-15 | 2013-04-03 | 浙江汇同电源有限公司 | Process for recycling lead from lead-acid battery paste |
| CN103305695A (en) * | 2013-05-02 | 2013-09-18 | 华中科技大学 | Method for preparing nano-lead dioxide powder from waste lead paste by wet process |
| CN103771459A (en) * | 2014-01-16 | 2014-05-07 | 北京化工大学 | Method of recovering sodium sulfate from lead-bearing desulfurized waste liquid |
| CN106450540A (en) * | 2016-08-24 | 2017-02-22 | 浙江亚利大胶丸有限公司 | Lead paste recycling method by atomic economic method |
| CN106929685A (en) * | 2017-02-08 | 2017-07-07 | 河南城建学院 | The method that scrap lead cream wet method prepares high-quality lead citrate |
-
2018
- 2018-03-23 CN CN201810247607.8A patent/CN108511836A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927510A (en) * | 1987-10-20 | 1990-05-22 | Engitec Impianti S.P.A. | Hydrometallurgical process for recovering in pure metal form all the lead contained in the active mass of exhausted batteries |
| CN101335370A (en) * | 2008-07-11 | 2008-12-31 | 东莞市松山科技集团有限公司 | Process implement full cycle regeneration of lead acid battery |
| CN103014354A (en) * | 2013-01-15 | 2013-04-03 | 浙江汇同电源有限公司 | Process for recycling lead from lead-acid battery paste |
| CN103305695A (en) * | 2013-05-02 | 2013-09-18 | 华中科技大学 | Method for preparing nano-lead dioxide powder from waste lead paste by wet process |
| CN103771459A (en) * | 2014-01-16 | 2014-05-07 | 北京化工大学 | Method of recovering sodium sulfate from lead-bearing desulfurized waste liquid |
| CN106450540A (en) * | 2016-08-24 | 2017-02-22 | 浙江亚利大胶丸有限公司 | Lead paste recycling method by atomic economic method |
| CN106929685A (en) * | 2017-02-08 | 2017-07-07 | 河南城建学院 | The method that scrap lead cream wet method prepares high-quality lead citrate |
Non-Patent Citations (2)
| Title |
|---|
| 孙佩极 等: "废蓄电池渣泥二段脱硫工艺研究", 《有色金属》 * |
| 王红梅: "《废电池处理处置现状及管理对策研究》", 30 April 2013, 中国环境出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787695A (en) * | 2018-04-17 | 2018-11-13 | 安徽华铂再生资源科技有限公司 | A method of stereotype grid and plastics in the broken rear lead-acid accumulator of separation |
| CN112159901A (en) * | 2020-09-04 | 2021-01-01 | 安徽华铂再生资源科技有限公司 | Secondary lead extraction process for waste lead storage battery |
| CN113846223A (en) * | 2021-10-16 | 2021-12-28 | 安徽省华鑫铅业集团有限公司 | Method for desulfurizing, processing and recycling lead slime of waste battery |
| CN113943866A (en) * | 2021-10-16 | 2022-01-18 | 安徽省华鑫铅业集团有限公司 | Lead slime desulfurization recovery process of waste battery |
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