CN110034349A - A kind of pretreatment of waste lithium cell and dismantling recovery method - Google Patents
A kind of pretreatment of waste lithium cell and dismantling recovery method Download PDFInfo
- Publication number
- CN110034349A CN110034349A CN201910320770.7A CN201910320770A CN110034349A CN 110034349 A CN110034349 A CN 110034349A CN 201910320770 A CN201910320770 A CN 201910320770A CN 110034349 A CN110034349 A CN 110034349A
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- CN
- China
- Prior art keywords
- lithium cell
- waste lithium
- pretreatment
- recovery method
- dismantling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- 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
-
- 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
Abstract
A kind of pretreatment of waste lithium cell and dismantling recovery method, are related to waste lithium cell and recycle preconditioning technique.Including waste lithium cell cascade utilization, waste lithium cell electric discharge, waste lithium cell cutting, cracking and sorting, thermal decomposition, not only realize the cascade utilization of waste lithium cell, and it can realize that efficient, safe and environment-friendly, full-automatic dismantling is recycled to waste lithium cell, the reasonable enrichment of steel sheel, copper, aluminium collector and electrode is reached, turn waste into wealth, reduce environmental pollution, is conducive to the comprehensive reutilization of waste lithium cell non-ferrous metal material.
Description
Technical field
The present invention relates to waste lithium cell recycle preconditioning technique field more particularly to it is a kind of using wet type it is broken and
Pyrolysis technique, to obtain the process for the lithium battery regeneration feed that can be used for wet-treating.
Background technique
Waste lithium cell recycle processing recycling valuable metal in, it usually needs by waste lithium cell carry out dismantling and
Classification recovery processing.Traditional recovery method is crushed with oppositely rolling roller crusher, and this method exhaust emissions dust is not up to standard, pollution
Environment is not handled particularly with negative electrode binder, well so that the subsequent wet recovery process rate of recovery is low.Therefore, having must
Research and develop it is a kind of can effectively improve crushing efficiency, production environment cleaning, metal recovery rate it is high waste lithium cell pretreatment
Method, to meet the current demand of efficiently dismantling, environmental protection.
Summary of the invention
It is an object of the invention to overcome the shortcomings of to mention in background above technology and defect, disclosing a kind of can effectively be mentioned
The rate of recovery of high non-ferrous metal material, and reduce environmental pollution, exhaust gas volumn is reduced, the excellent waste lithium cell of production environment
Pretreatment and dismantling recovery method.
The technical solution of the invention is as follows: a kind of pretreatment of waste lithium cell and dismantling recovery method, it is special it
Be in: the following steps are included:
A. waste lithium cell cascade utilization: single battery is connected on intelligent electric energy determining instrument, each electricity is measured by machine
The electricity in pond, then identifies；Energy cascade utilization continues to utilize, and cannot just be sent to electric discharge process using complementary energy；
B. waste lithium cell discharges: the waste lithium cell of complementary energy will cannot be utilized to complete electric discharge in salt water, brine media is chlorine
Change sodium or sodium sulphate is molten, cell voltage control is at most 1.5 volts after electric discharge；
C. waste lithium cell is cut: the waste lithium cell cutting tool after electric discharge cuts its stainless steel casing open；
D. cracking and sorting: by the waste lithium cell after cutting, it is broken that wet type is carried out with crusher, is sieved to obtain after crusher
The oversizes such as positive and negative anodes mixture and iron, copper, aluminium and carbon dust；
E. it thermally decomposes: gained positive and negative anodes mixture thermally decompose to obtain battery recycling material using rotary kiln, then by battery recycling
Material is sent into extraction and recovery process.
Further, the intelligent electric energy determining instrument uses Distributed Control System (DCS)
Further, the cutting tool, using plasma cutters tool；
Further, the crusher, using cement double-roll crusher；
Further, the rotary kiln, using stainless steel short rotary kiln；
Further, the stainless steel short rotary kiln is thermally decomposed, and thermal decomposition temperature is 300-600 DEG C in kiln, preferably 400-
500 DEG C, kiln tail configures secondary combustion chamber, which controls at 900-1200 DEG C, and preferably 1000-1100 DEG C, tail gas is adopted
With qualified discharge after activated carbon adsorption.
The present invention has the advantage that due to using above technical scheme
(1) stainless steel casing and battery component are able to achieve by using plasma cutting machine cutting waste and old lithium ion battery shell
Preferably separation, effectively improves the rate of recovery of non-ferrous metal material.
(2) wet type is carried out using crusher to be crushed, be crushed high production efficiency, reduce dust, production environment is excellent.
(3) burning pyrolysis is carried out using control oxygen technology, and second-time burning and the filtering of tail gas active carbon, success is carried out to flue gas
Ground controls dioxin concentration qualified discharge in tail gas；Oxygen concentration is adjustable in flue gas, reduces exhaust gas volumn and dust rate, alleviates
The pressure of flue gas dust collection and purification system.
(4) Distributed Control System (DCS) is used, the remaining capacity of waste lithium cell is detected, can be supervised in time
It controls, adjusted discharge processes parameter, and Backup Data, automatic and mechanical degree is high, can reduce operator and reduce labor
Fatigue resistance.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
For a clearer understanding of the present invention, with embodiment, the present invention is further illustrated with reference to the accompanying drawing.
Embodiment 1: a kind of pretreatment of waste lithium cell and dismantling recovery method, comprising the following steps:
A. waste lithium cell cascade utilization: single battery is connected on intelligent electric energy determining instrument, each electricity is measured by machine
The electricity in pond, then identifies；Energy cascade utilization continues to utilize, and cannot just be sent to electric discharge process using complementary energy.
B. waste lithium cell discharges: the waste lithium cell of complementary energy will cannot be utilized to complete electric discharge, brine media in salt water
Molten for sodium chloride or sodium sulphate, cell voltage control is at most 1.5 volts after electric discharge.
C. waste lithium cell is cut: the waste lithium cell cutting tool after electric discharge cuts its stainless steel casing
It opens.
D. cracking and sorting: by the waste lithium cell after cutting, it is broken that wet type is carried out with crusher, is sieved after crusher
Obtain the oversizes such as positive and negative anodes mixture and iron, copper, aluminium and carbon dust.
E. it thermally decomposes: gained positive and negative anodes mixture thermally decompose to obtain battery recycling material using rotary kiln, then by battery
Reworked material is sent into extraction and recovery process.
Embodiment 2: a kind of pretreatment of waste lithium cell and dismantling recovery method, comprising the following steps:
A. waste lithium cell cascade utilization: single battery is connected on intelligent electric energy determining instrument, each electricity is measured by machine
The electricity in pond, then identifies；Energy cascade utilization continues to utilize, and cannot enter electric discharge process using complementary energy.
B. waste lithium cell discharges: the waste lithium cell of complementary energy will cannot be utilized to complete electric discharge, brine media in salt water
Molten for sodium chloride or sodium sulphate, cell voltage control is less than 1.5 volts after electric discharge.
C. waste lithium cell is cut:, will be outside its stainless steel by the plasma cutters tool of the waste lithium cell after electric discharge
Shell is cut open.
D. cracking and sorting: by the waste lithium cell after cutting, it is broken that wet type is carried out with manufacture of cement with double-roll crusher, is broken
It is sieved to obtain the oversizes such as positive and negative anodes mixture and iron, copper, aluminium and carbon dust after broken.
E. it thermally decomposes: gained positive and negative anodes mixture is carried out thermally decomposing to obtain battery recycling material using stainless steel short rotary kiln,
Thermal decomposition temperature is 300-600 DEG C in kiln, and kiln tail configures secondary combustion chamber, and dual firing chamber's temperature control is at 900-1200 DEG C, tail
Gas uses qualified discharge after activated carbon adsorption.
F. hydrometallurgic recovery metal: by the product battery recycling material after thermal decomposition, into leaching, purification, solid-liquor separation, extraction
It the wet method combined recovery process such as takes, crystallize, recycling valuable metal.
Embodiment 3: a kind of pretreatment of waste lithium cell and dismantling recovery method, comprising the following steps:
A. waste lithium cell cascade utilization: the electricity of each battery is measured using Distributed Control System (DCS), is then identified；
Energy cascade utilization continues to utilize, and cannot enter electric discharge process using complementary energy.
B. waste lithium cell discharges: the waste lithium cell of complementary energy will cannot be utilized to complete electric discharge, brine media in salt water
Molten for sodium chloride or sodium sulphate, cell voltage control is less than 1.5 volts after electric discharge.
C. waste lithium cell is cut:, will be outside its stainless steel by the plasma cutters tool of the waste lithium cell after electric discharge
Shell is cut open.
D. cracking and sorting: by the waste lithium cell after cutting, it is broken that wet type is carried out with manufacture of cement with double-roll crusher, is broken
It is sieved to obtain the oversizes such as positive and negative anodes material and iron, copper, aluminium and carbon dust after broken.
E. it thermally decomposes: gained positive and negative anodes material mixture is carried out thermally decomposing to obtain battery recycling using stainless steel short rotary kiln
Expect, thermal decomposition temperature is 400-500 DEG C in kiln, and kiln tail configures secondary combustion chamber, which controls in 1000-1100
DEG C, tail gas uses qualified discharge after activated carbon adsorption.
F. hydrometallurgic recovery metal: by the product battery recycling material after thermal decomposition, into leaching, purification, solid-liquor separation, extraction
It the wet method combined recovery process such as takes, crystallize, recycling valuable metal.
Above embodiments, not only realize the cascade utilization of waste lithium cell, and waste lithium cell can be realized efficiently,
Safe and environment-friendly, full-automatic dismantling recovery processing, has reached the reasonable enrichment of steel sheel, copper, aluminium collector and electrode, becomes useless
For treasured, reduce environmental pollution, is conducive to the comprehensive reutilization of waste lithium cell non-ferrous metal material.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. pretreatment and the dismantling recovery method of a kind of waste lithium cell, it is characterised in that: the following steps are included:
A. waste lithium cell cascade utilization: single battery is connected on intelligent electric energy determining instrument, each electricity is measured by machine
The electricity in pond, then identifies；Energy cascade utilization continues to utilize, and cannot just be sent to electric discharge process using complementary energy；
B. waste lithium cell discharges: the waste lithium cell of complementary energy will cannot be utilized to complete electric discharge in salt water, brine media is chlorine
Change sodium or sodium sulphate is molten, cell voltage control is at most 1.5 volts after electric discharge；
C. waste lithium cell is cut: the waste lithium cell cutting tool after electric discharge cuts its stainless steel casing open；
D. cracking and sorting: by the waste lithium cell after cutting, it is broken that wet type is carried out with crusher, is sieved to obtain just after broken
The oversizes such as cathode mixture and iron, copper, aluminium and carbon dust；
E. it thermally decomposes: gained positive and negative anodes mixture thermally decompose to obtain battery recycling material using rotary kiln, then by battery recycling
Material is sent into extraction and recovery process.
2. pretreatment and the dismantling recovery method of a kind of waste lithium cell according to claim 1, it is characterised in that: described
Intelligent electric energy determining instrument uses Distributed Control System (DCS).
3. pretreatment and the dismantling recovery method of a kind of waste lithium cell according to claim 1, it is characterised in that: described
Cutting tool, using plasma cutters tool.
4. pretreatment and the dismantling recovery method of a kind of waste lithium cell according to claim 1, it is characterised in that: described
Crusher, using manufacture of cement double-roll crusher.
5. pretreatment and the dismantling recovery method of a kind of waste lithium cell according to claim 1, it is characterised in that: described
Rotary kiln, using stainless steel short rotary kiln.
6. pretreatment and the dismantling recovery method of a kind of waste lithium cell according to claim 1, it is characterised in that: described
Thermal decomposition, is thermally decomposed using stainless steel short rotary kiln, and thermal decomposition temperature is 300-600 DEG C in kiln, and kiln tail configures secondary combustion
Room is burnt, at 900-1200 DEG C, tail gas uses qualified discharge after activated carbon adsorption for dual firing chamber's temperature control.
7. pretreatment and the dismantling recovery method of a kind of waste lithium cell according to claim 6, it is characterised in that: in kiln
Thermal decomposition temperature is 400-500 DEG C, and dual firing chamber's temperature is controlled at 1000-1100 DEG C.
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| CN201910320770.7A CN110034349A (en) | 2019-04-20 | 2019-04-20 | A kind of pretreatment of waste lithium cell and dismantling recovery method |
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| CN201910320770.7A CN110034349A (en) | 2019-04-20 | 2019-04-20 | A kind of pretreatment of waste lithium cell and dismantling recovery method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495925A (en) * | 2020-04-20 | 2020-08-07 | 北京矿冶科技集团有限公司 | Method for pyrolyzing and defluorinating chlorine of waste lithium battery |
| CN112246834A (en) * | 2020-10-04 | 2021-01-22 | 湖南金源新材料股份有限公司 | Jigging separation method for components after dismantling of waste lithium batteries |
| CN112958588A (en) * | 2021-01-29 | 2021-06-15 | 上海净颖环保科技股份有限公司 | Waste battery safety recycling and disassembling system and disassembling method thereof |
| CN115932619A (en) * | 2023-03-15 | 2023-04-07 | 睿贝佳(深圳)科技有限公司 | Be used for precious battery testing arrangement that charges |
| CN116966988A (en) * | 2023-07-28 | 2023-10-31 | 烟台大为环保科技有限公司 | Crushing system for lithium battery |
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| JP2014055312A (en) * | 2012-09-11 | 2014-03-27 | Hitachi Ltd | Method for recycling lithium ion battery, and apparatus therefor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495925A (en) * | 2020-04-20 | 2020-08-07 | 北京矿冶科技集团有限公司 | Method for pyrolyzing and defluorinating chlorine of waste lithium battery |
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| CN112958588A (en) * | 2021-01-29 | 2021-06-15 | 上海净颖环保科技股份有限公司 | Waste battery safety recycling and disassembling system and disassembling method thereof |
| CN112958588B (en) * | 2021-01-29 | 2023-02-03 | 上海净颖环保科技股份有限公司 | Waste battery safety recycling and disassembling system and disassembling method thereof |
| CN115932619A (en) * | 2023-03-15 | 2023-04-07 | 睿贝佳(深圳)科技有限公司 | Be used for precious battery testing arrangement that charges |
| CN116966988A (en) * | 2023-07-28 | 2023-10-31 | 烟台大为环保科技有限公司 | Crushing system for lithium battery |
| CN116966988B (en) * | 2023-07-28 | 2024-04-05 | 烟台大为环保科技有限公司 | Crushing system for lithium battery |
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