CN109378542A - A kind of method of copper aluminium and rubber in recycling waste power lithium battery - Google Patents
A kind of method of copper aluminium and rubber in recycling waste power lithium battery Download PDFInfo
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- CN109378542A CN109378542A CN201811321397.9A CN201811321397A CN109378542A CN 109378542 A CN109378542 A CN 109378542A CN 201811321397 A CN201811321397 A CN 201811321397A CN 109378542 A CN109378542 A CN 109378542A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of methods of copper aluminium and rubber in recycling waste power lithium battery, which comprises the following steps: 1) disassembles: being disassembled waste and old power battery pack to obtain battery cell；2) it is crushed and is granulated: battery cell being subjected to single stage crushing and two sections of superfine grinding pelletizers obtain product A；3) it sieves: product A being sieved using screening plant, obtains the product B of screenings 100-160 mesh positive and negative anodes powder and oversize 100-160 mesh；4) magnetic iron ore induces gravity separation: first carrying out a magnetic iron ore induction gravity separation to product B and obtains pure rubber granule and copper aluminium mixture, copper aluminium mixture respectively obtains pure copper particle and aluminum shot through secondary magnetic iron ore induction gravity separation again.Present invention employs superfine high-purity magnetic iron ores to induce specific gravity sorting technology, and the copper aluminium and rubber that can preferably recycle copper aluminium and the rubber in waste power lithium battery, and obtain mutually contain low.
Description
Technical field
The present invention relates to a kind of lithium battery recoverying and utilizing methods, and in particular in a kind of recycling waste power lithium battery
The method of copper aluminium and rubber.
Background technique
In recent years, as the country is to new-energy automobile policy guide, China's new-energy automobile sales volume is significantly enhanced,
China's new-energy automobile whole year in 2017 adds up total pin 77.7 ten thousand, increases by 53% on a year-on-year basis.Wherein, pure electric vehicle whole year adds up sales volume
It is 65.2 ten thousand, plug-in mixed dynamic annual 12.5 ten thousand accumulative.The sales volume of domestic new-energy automobile will be estimated to be more than 200 in the year two thousand twenty
Ten thousand, the year-on-year speedup of the following sales volume will be more than 40%.China's new-energy automobile mostly uses ternary lithium battery, ferric phosphate at present
Lithium etc. is used as power battery, and due to cycle charge-discharge, its battery capacity will be slow decaying, it is contemplated that will in two or three years have large quantities of dynamic
Power lithium battery enters the date of retirement, carries out recycling materials and the nickel cobalt manganese lithiums such as the copper aluminium rubber in recycling dynamic lithium battery to it
Equal valuable metals element, not only may be implemented good economic benefit, but also can pollute the environment to avoid its discarding.It is right at present
Lithium battery positive and negative anodes powder passes through leaching after mainly recycling collection by way of sieving and gathering dust.And to waste power lithium battery,
Copper foil and aluminium foil in its positive/negative plate and the rubber granule of encapsulation mostly use at present it is broken after selection by winnowing and the method for electric separation into
Row sorting, the copper aluminium product that the shortcomings that this method for separating is mutually contain larger, and the purity of product reduces, and also reduces simultaneously
The sales value of product.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of waste and old power lithium of recycling
The method of copper aluminium and rubber in battery, it uses superfine high-purity magnetic iron ore and induces specific gravity sorting technology, can preferably recycle useless
Copper aluminium and rubber in old dynamic lithium battery, and obtained copper aluminium and rubber mutually contain it is low.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows: a kind of recycling waste power lithium battery
The method of middle copper aluminium and rubber, comprising the following steps:
1) it disassembles: being disassembled waste and old power battery pack to obtain battery cell；
2) it is crushed and is granulated: battery cell being subjected to single stage crushing and two sections of superfine grinding pelletizers obtain product A；
3) it sieves: product A being sieved using screening plant, obtain on screenings 100-160 mesh positive and negative anodes powder and sieve
The product B of object 100-160 mesh；
4) magnetic iron ore induces gravity separation: first carrying out a magnetic iron ore induction gravity separation to product B and obtains pure rubber
Micelle and copper aluminium mixture, copper aluminium mixture respectively obtain pure copper particle and aluminium through secondary magnetic iron ore induction gravity separation again
Grain.
Further, the dismantling process in step 1) is disassembled in closed protective atmosphere, can effectively avoid dismantling
Process generates pollution to environment, also can guarantee that institute's dismantling process does not have monomer material loss.
Further, in step 2) superfine grinding pelletizer by the copper foil and aluminium foil and collector and electricity in battery cell
Individual packaging aluminum hull friction in pond is granulated so that product A is in spherical particle shape output and positive and negative anodes battery powder rubs from aluminium foil copper foil
Get off, if copper aluminum slice slabbing crushed product output, is difficult to separate the two using gravity separation.
Further, the positive and negative anodes powder that single stage crushing, two sections of superfine grinding pelletizers are obtained through dust removal by ventilation in step 2)
It is sent into pyrolysis furnace and is roasted with screenings 100-160 mesh positive and negative anodes powder obtained in step 3), soaked again after roasting
Valuable element is extracted out, it can be achieved that the efficient of waste and old lithium ion battery utilizes and recycle.
Further, first superfine high-purity magnetic iron ore and water is used to be made into density as 1.5-2.5t/m product B in step 4)3
Slurry, rubber granule and copper aluminum shot are separated, then using low intensity magnetic separation recycling superfine high-purity magnetic iron ore by obtained copper aluminum shot use
It is 3-7t/m that superfine high-purity magnetic iron ore and water, which are made into density,3Slurry copper aluminum shot is separated, respectively obtain pure copper particle and aluminium
Grain, because the specific gravity of copper aluminium and rubber is respectively 8.95t/m3, the specific gravity of aluminium is 2.7t/m3, the specific gravity of rubber is 1.2t/m3, because
This can be separated copper aluminum shot using low intensity magnetic separation recycling.
Further, the fineness of the superfine high-purity magnetic iron ore is 0.01-0.038mmmm, wherein Fe3O4Content is greater than
95%, slurry concentration is made by adjusting itself and water and controls slurry specific gravity, and ultra-fine ultrapure iron concentrate, can be with since its fineness is smaller
It is recycled and reused with copper aluminium and rubber by screening or magnetic separation scheme, and is unlikely to bring into copper aluminium rubber granule new
Impurity.
Further, the mesh size of screening plant is 140 mesh in the step 3).
Compared with the prior art, the advantages of the present invention are as follows:
1, the present invention is compared with the electric separation of patent CN106972215A-shaking table process, simple process, copper aluminium powder product purity
Height, copper aluminium product mutually contain low, it can be achieved that higher sale income；
2, the present invention is compared with existing rubber granule, copper aluminium powder dry separation technique, due to using superfine high-purity iron ore concentrate
Induce gravity separation, enhance separating medium to the buoyancy of copper aluminum shot, copper, aluminium powder product purity are high, copper, aluminium product mutually contain it is low,
And process flow is simple, workshop dust is greatly reduced, and equipment investment and factory investment are greatly reduced.
Detailed description of the invention
Fig. 1 is the process flow chart of the specific embodiment of the invention 1.
Specific embodiment
To facilitate the understanding of the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but the protection scope of the present invention is not limited to the following specific embodiments.
As shown in Fig. 1, a method of recycling copper aluminium and rubber in waste power lithium battery, including following step
It is rapid:
1) it disassembles: the waste and old power battery pack of 200kg is obtained into 150kg battery cell through electric discharge dismantling process；
2) be crushed and be granulated: 150kg battery cell through single stage crushing, the cleaner being connected with crushing plant by density compared with
Light plastic diaphragms are sieved after absorbing collection with fine fraction battery powder, obtain plastic diaphragms product and battery powder product；
3) sieve: single stage crushing heavier product is sieved through the product of two sections of superfine grinding pelletizer processes, is sieved
Lower 140 mesh positive and negative anodes powder of object, 140 mesh copper of oversize, aluminium and rubber granule；
4) magnetic iron ore induces gravity separation: being 0.02mm, Fe by fineness3O4Super-fine magnetite of the content greater than 95% is made into
Specific gravity is 2.0t/m3Slurry mixed with 140 mesh copper powder of oversize, aluminium powder and rubber granule after stir after five minutes settle 5 seconds, will
The rubber granule for being suspended in slurry surface is separated with the copper aluminum shot for sinking to bottom, passes through 300 mesh screens screening (or low intensity magnetic separation) recycling
Ultra-fine ultrapure magnetic iron ore and water；Bottom copper aluminum shot is 5t/m with specific gravity is made into3Ultra-fine ultrapure magnetic iron ore slurry be mixed 5 points
It is settled 5 seconds after clock, the aluminum shot for being suspended in slurry surface is separated with the copper particle for being deposited in bottom；Using screening or low intensity magnetic separation recycling
Ultra-fine ultrapure magnetic iron ore and water, water and magnetic iron ore can 100% reuses.
In the present embodiment, 140 mesh positive and negative anodes powder of screenings and one, two section of comminution process obtained in step 2) and step 3)
The screened obtained positive and negative anodes powder merga pass of dedusting material 700 DEG C of roasting volatilizations in 3 hours removing binders after soaked as acid system
Raw material is extracted out.
Claims (7)
1. a kind of method of copper aluminium and rubber in recycling waste power lithium battery, which comprises the following steps:
1) it disassembles: being disassembled waste and old power battery pack to obtain battery cell；
2) it is crushed and is granulated: battery cell being subjected to single stage crushing and two sections of superfine grinding pelletizers obtain product A；
3) it sieves: product A being sieved using screening plant, obtains screenings 100-160 mesh positive and negative anodes powder and oversize
The product B of 100-160 mesh；
4) magnetic iron ore induces gravity separation: first carrying out a magnetic iron ore induction gravity separation to product B and obtains pure rubber granule
With copper aluminium mixture, copper aluminium mixture respectively obtains pure copper particle and aluminum shot through secondary magnetic iron ore induction gravity separation again.
2. the method for copper aluminium and rubber in recycling waste power lithium battery according to claim 1, which is characterized in that
Dismantling process in step 1) is disassembled in closed protective atmosphere.
3. the method for copper aluminium and rubber in recycling waste power lithium battery according to claim 1, which is characterized in that
In step 2) superfine grinding pelletizer by battery cell copper foil and aluminium foil and collector and battery cell packaging aluminum hull rub
It wipes and is granulated so that product A is in spherical particle shape output and positive and negative anodes battery powder rubs from aluminium foil copper foil.
4. the method for copper aluminium and rubber in recycling waste power lithium battery according to claim 1, which is characterized in that
It is sieved obtained in the positive and negative anodes powder and step 3) that single stage crushing, two sections of superfine grinding pelletizers are obtained through dust removal by ventilation in step 2)
Lower object 100-160 mesh positive and negative anodes powder, which is sent into pyrolysis furnace, to be roasted, and carries out leaching again after roasting extracting valuable element.
5. the method for copper aluminium and rubber in recycling waste power lithium battery described in any one of -4 according to claim 1,
It is characterized in that, first using superfine high-purity magnetic iron ore and water to be made into density as 1.5-2.5t/m product B in step 4)3Material
Slurry, rubber granule and copper aluminum shot are separated, then recycle superfine high-purity magnetic iron ore for obtained copper aluminum shot using ultra-fine using low intensity magnetic separation
It is 3-7t/m that high-purity magnetic iron ore and water, which are made into density,3Slurry copper aluminum shot is separated, respectively obtain pure copper particle and aluminum shot.
6. the method for copper aluminium and rubber in recycling waste power lithium battery according to claim 5, which is characterized in that
The fineness of the superfine high-purity magnetic iron ore is 0.01-0.038mm, wherein Fe3O4Content is greater than 95%, is matched by adjusting it with water
Slurry specific gravity is controlled at slurry concentration.
7. the method for copper aluminium and rubber in recycling waste power lithium battery described in any one of -4 according to claim 1,
It is characterized in that, the mesh size of screening plant is 140 mesh in the step 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321397.9A CN109378542B (en) | 2018-11-07 | 2018-11-07 | Method for recycling copper, aluminum and rubber in waste power lithium batteries |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811321397.9A CN109378542B (en) | 2018-11-07 | 2018-11-07 | Method for recycling copper, aluminum and rubber in waste power lithium batteries |
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| CN109378542A true CN109378542A (en) | 2019-02-22 |
| CN109378542B CN109378542B (en) | 2020-10-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830773A (en) * | 2019-03-19 | 2019-05-31 | 泰顺永庆电力技术有限公司 | Waste lithium cell recovery and treatment method |
| CN111940125A (en) * | 2020-07-30 | 2020-11-17 | 潼关中陕核环保建材有限公司 | Method and system for recovering precious metals in low-grade gold tailings |
| CN113908977A (en) * | 2021-11-08 | 2022-01-11 | 湖南江冶机电科技股份有限公司 | Recovery process of waste lithium battery |
| CN119035230A (en) * | 2024-10-30 | 2024-11-29 | 河北顺境环保科技有限公司 | Treatment method of waste lithium ion battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830773A (en) * | 2019-03-19 | 2019-05-31 | 泰顺永庆电力技术有限公司 | Waste lithium cell recovery and treatment method |
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| CN119035230A (en) * | 2024-10-30 | 2024-11-29 | 河北顺境环保科技有限公司 | Treatment method of waste lithium ion battery |
| CN119035230B (en) * | 2024-10-30 | 2025-02-14 | 河北顺境环保科技有限公司 | Treatment method of waste lithium ion battery |
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