CN105449304A - Waste lithium battery processing method and system - Google Patents

Waste lithium battery processing method and system Download PDF

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Publication number
CN105449304A
CN105449304A CN201510996885.XA CN201510996885A CN105449304A CN 105449304 A CN105449304 A CN 105449304A CN 201510996885 A CN201510996885 A CN 201510996885A CN 105449304 A CN105449304 A CN 105449304A
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China
Prior art keywords
waste lithium
lithium cell
mixed liquor
discharge groove
rinse bath
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Granted
Application number
CN201510996885.XA
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Chinese (zh)
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CN105449304B (en
Inventor
康露
王红霞
王琳
龙柏安
王九飙
黄荣江
周文斌
刘劲业
吴钦文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Green Renewable Resources Utilization Co ltd
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Green Resources Recycling Co Ltd
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201510996885.XA priority Critical patent/CN105449304B/en
Publication of CN105449304A publication Critical patent/CN105449304A/en
Application granted granted Critical
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/54Reclaiming serviceable parts of waste accumulators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

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  • Water Treatment By Electricity Or Magnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hybrid Cells (AREA)

Abstract

The invention provides a waste lithium battery processing method and system. The waste lithium battery processing method comprises the following steps: carrying out previous processing on waste lithium batteries; putting the waste lithium batteries after the previous processing into mixed liquor medicament to carry out discharging; emitting ultrasonic waves to the mixed liquor medicament to carry out auxiliary charging; and cleaning and recovering the discharged waste lithium batteries. The waste lithium battery processing method and system have the advantage of solving the problem that the waste lithium processing efficiency is low in the prior art.

Description

The processing method of waste lithium cell and treatment system
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of processing method and treatment system of waste lithium cell.
Background technology
In the processing method of waste lithium cell of the prior art (be generally and scrap) or device, waste lithium cell is put into mixing water process discharge in liquid, but in prior art, long to the discharge time of waste lithium cell, general between 5-15 days, cause the treatment effeciency of waste lithium cell too low.
Summary of the invention
A kind of processing method and treatment system of waste lithium cell is provided, to solve the problem that in prior art, the treatment effeciency of waste lithium cell is too low in the embodiment of the present invention.
For solving the problems of the technologies described above, the invention provides the processing method of waste lithium cell, comprising the following steps: waste lithium cell is carried out preorder process; Waste lithium cell after preorder process is put in mixed liquor medicament and discharges; Launch ultrasonic wave to mixed liquor medicament and carry out auxiliary discharge; By the waste lithium cell clean and reuse after electric discharge.
Further, in mixed liquor medicament, the mass concentration of sodium chloride is 1% to 10%.
Further, also comprise iron chloride or copper chloride in mixed liquor medicament, the iron chloride in mixed liquor medicament or the mass concentration of copper chloride are 0.1% to 1%.
Further, the waste lithium cell put in mixed liquor medicament carried out rotating or stirring every first scheduled time, and rotation or the time of stirring were second scheduled time.
Further, the step of the waste lithium cell clean and reuse after electric discharge is comprised: the waste lithium cell after electric discharge is put into rinse bath and cleans; Air-dry waste lithium cell;
Waste lithium cell after air-dry is reclaimed.
According to another aspect of the present invention, provide a kind for the treatment of system of waste lithium cell, comprising: electric discharge device, electric discharge device has the discharge groove holding mixed liquor medicament; Ultrasonic wave functional device, is arranged on electric discharge device, and ultrasonic wave functional device is used for launching ultrasonic wave to discharge groove; Hanging basket, for holding waste lithium cell; Hanging component, is connected with hanging basket, and hanging component carries out lifting moving for driving hanging basket and moves horizontally.
Further, electric discharge device also comprises rinse bath, by pipeline conducting between rinse bath and discharge groove, pipeline is provided with water pump, and water pump is used for the water in rinse bath to pump in discharge groove.
Further, also comprise air-drying box, air-drying box is arranged on the side that rinse bath deviates from discharge groove.
Further, hanging component comprises: guide rail, and guide rail is arranged on the top of electric discharge device and air-drying box, and the position of guide rail discharge groove, rinse bath and air-drying box is extended accordingly; Lifting rotation parts, are connected on guide rail slidably, and lifting rotation parts are fixedly connected with hanging basket, and lifting rotation parts drive cage lifting and rotation.
Further, ultrasonic wave functional device is arranged on outside the cell wall of discharge groove and rinse bath.
Further, also comprise waste gas cleaning system, waste gas cleaning system is for collecting by the waste gas produced in discharge groove and carrying out purified treatment.
Further, the cell wall material of discharge groove is polypropylene, is provided with polypropylene screen bottom discharge groove, and the cell wall of discharge groove is provided with liquid level gauge.
Apply technical scheme of the present invention, add in the processing method of waste lithium cell and launch hyperacoustic step to mixed liquor medicament, increase conductive ion number and charge number in solution by ultrasonic cavitation effect, simultaneously, accelerate conductive ion movement rate in solution, conductance is increased.The mode of this auxiliary discharge can make battery discharge time greatly shorten, and substantially increases the treatment effeciency of refuse battery like this.Utilize hanging component to be moved in discharge groove by the hanging basket that waste lithium cell is housed in the treatment system of waste lithium cell to discharge, open ultrasonic wave functional device simultaneously and carry out auxiliary discharge, ultrasonic wave launched by ultrasonic wave functional device mixed liquor medicament, conductive ion number and charge number in solution is increased by ultrasonic cavitation effect, simultaneously, accelerate conductive ion movement rate in solution, conductance is increased.The mode of this auxiliary discharge can make battery discharge time greatly shorten, and substantially increases the treatment effeciency of refuse battery like this.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the processing method of the waste lithium cell of the embodiment of the present invention;
Fig. 2 is the structural representation of the treatment system of the waste lithium cell of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Shown in Figure 1, according to embodiments of the invention, provide a kind of processing method of waste lithium cell, processing method comprises the following steps:
S10: waste lithium cell is carried out preorder process;
S20: the waste lithium cell after preorder process is put in mixed liquor medicament and discharges;
S30: launch ultrasonic wave to mixed liquor medicament and carry out auxiliary discharge;
S40: by the waste lithium cell clean and reuse after electric discharge.
Add in the processing method of this waste lithium cell and launch hyperacoustic step to mixed liquor medicament, increase conductive ion number and charge number in solution by ultrasonic cavitation effect, meanwhile, accelerate conductive ion movement rate in solution, conductance is increased.The battery discharge time that can make of this auxiliary discharge shortens greatly, substantially increases the treatment effeciency of refuse battery like this.
Further preferably, the compound ratio in the mixed liquor medicament discharge to waste lithium cell is optimized, and in the present embodiment, in mixed liquor medicament, the mass concentration of sodium chloride is 1% to 10%.Also comprise iron chloride or copper chloride in mixed liquor medicament, the iron chloride in mixed liquor medicament or the mass concentration of copper chloride are 0.1% to 1%.Change in prior art kind and the ratio of compound in the mixed liquor medicament that discharges, battery discharge time is substantially reduced, coordinate ultrasonic assistant electric discharge simultaneously, many times are shortened relative to discharge time of the prior art, littlely just can substantially discharge completely in twenty four hours two, Battery disposal effect at least improves 15 times.
Preferably, the waste lithium cell put in mixed liquor medicament carried out rotating or stirring every first scheduled time, and rotation or the time of stirring were second scheduled time.That is to waste lithium cell position of rotation or to stir at set intervals, it is allowed to contact evenly with mixed liquor medicament like this, the time rotated or stir will at least allow the position of waste lithium cell change, to reach the object of fully contact, first scheduled time can be set as 30 minutes to 90 minutes, and second scheduled time can be set as between 1 minute to 5 minutes.
Step S40 comprises following concrete step:
Steps A: the waste lithium cell after electric discharge is put into rinse bath and cleans.
Step B: air-dry waste lithium cell.
Step C: the waste lithium cell after air-dry is reclaimed.
Steps A, step B, step C carry out successively, by driving or other displacement modes, the waste lithium cell completely that discharges is moved in rinse bath, pull out after rotary-cleaning a period of time (as 1 minute) in rinse bath, stop directly over rinse bath after 5 ~ 10 minutes and treat that water is drip dress to drip, go to air drying system subsequently.By after the air-dry waste lithium cell of forced air in air drying system, to be produced and then realize the recovery of waste lithium cell by conveyer belt at discharging opening.
See Fig. 2, present invention also offers a kind of embodiment for the treatment of system of waste lithium cell, treatment system comprises electric discharge device, ultrasonic wave functional device, hanging basket 20 and hanging component, electric discharge device has the discharge groove 10 holding mixed liquor medicament, ultrasonic wave functional device is arranged on electric discharge device, and ultrasonic wave functional device is used for launching ultrasonic wave to discharge groove 10.Hanging basket 20 is for holding waste lithium cell; Hanging component is connected with hanging basket 20, and hanging component carries out lifting moving for driving hanging basket 20 and moves horizontally.
Manually waste lithium cell is put into hanging basket 20, utilize hanging component to be moved in discharge groove 10 by the hanging basket 20 that waste lithium cell is housed to discharge, open ultrasonic wave functional device simultaneously and carry out auxiliary discharge, ultrasonic wave launched by ultrasonic wave functional device mixed liquor medicament, conductive ion number and charge number in solution is increased by ultrasonic cavitation effect, meanwhile, accelerate conductive ion movement rate in solution, conductance is increased.The battery discharge time that can make of this auxiliary discharge shortens greatly, substantially increases the treatment effeciency of refuse battery like this.
Electric discharge device also comprises rinse bath 30, and by pipeline conducting between rinse bath 30 and discharge groove 10, pipeline is provided with water pump 40, water pump 40 is for pumping the water in rinse bath 30 in discharge groove 10.Mixed liquor medicament reusable edible in discharge groove 10, regularly medicament is added according to actual mixed liquor Expenditure Levels, by water pump 40, the water in rinse bath 30 is pumped to discharge groove 10 as mixed liquor water when adding water, whole discharge process produces without waste water substantially, the waste residue of every three months process primary sedimentation generation simultaneously.
Treatment system also comprises air-drying box 80, and air-drying box 80 is arranged on the side that rinse bath 30 deviates from discharge groove 10.Move in rinse bath 30 by the hanging component waste lithium cell completely that discharges, pull out after rotary-cleaning a period of time (as 1 minute) in rinse bath 30, stop directly over rinse bath 30 after 5 ~ 10 minutes and treat that water is drip dress to drip, go to subsequently carry out in air-drying box 80 air-dry, after air-drying box 80 dries up waste lithium cell by forced air, hanging basket 20 is moved to the conveyer belt of discharging to produce by hanging component.
Further preferably, hanging component comprises guide rail 51 and lifting rotation parts 52, and guide rail 51 is arranged on the top of electric discharge device and air-drying box 80, and the position of guide rail 51 discharge groove 10, rinse bath 30 and air-drying box 80 is extended accordingly.Lifting rotation parts 52 are connected on guide rail 51 slidably, and lifting rotation parts 52 are fixedly connected with hanging basket 20, and lifting rotation parts 52 drive hanging basket 20 be elevated and rotate.As can be seen from Figure, in the two ends of guide rail 51 one end below between feeding intake 71, the below of the other end is finishing room 72, between feeding intake, 71 are used to material loading (waste lithium cell being put into hanging basket 20), and finishing room 72 is used to blanking (waste lithium cell that taking-up processes).
Hanging basket 20 is under the drive of lifting rotation parts 52, to waste lithium cell position of rotation or to stir at set intervals, it is allowed to contact evenly with mixed liquor medicament like this, the time rotated or stir will at least allow the position of waste lithium cell change, to reach the object of fully contact, by the above multiple mode accelerating electric discharge, battery discharges in the solution, littlely substantially can discharge completely in twenty four hours two.
In the present embodiment, ultrasonic wave functional device is arranged on outside the cell wall of discharge groove 10 and rinse bath 30.Due to hyperacoustic cavitation, can carry out carrying out surface cleaning to the cleaning shop in cleaning solvent, so ultrasonic wave functional device also launches ultrasonic wave in rinse bath 30, waste lithium cell be cleaned.
The cell wall material of discharge groove 10 is polypropylene, polypropylene screen is provided with bottom discharge groove 10, the cell wall of discharge groove 10 is provided with liquid level gauge, discharge groove 10 configures automatic medicament feeding system, liquid level in discharge groove 10 lower than preset lines after, Automatic Dosing and automatically add mixed liquor (drawing water by rinse bath 30).
The treatment system of waste lithium cell also comprises waste gas cleaning system 60, and waste gas cleaning system 60 is for collecting by the waste gas produced in discharge groove 10 and carrying out purified treatment.The waste gas produced in discharge process processes by installing waste gas cleaning system 60, reaches the waste gas environmental nonpollution to external world of discharge.
To sum up, the treatment system of the waste lithium cell in the present embodiment has the following advantages:
1, kind and the ratio of original mixed liquor medicament is changed, additional proportion is iron chloride or the copper chloride configuration mixed liquor medicament of 1%-10% sodium chloride and 0.1%-1%, increase ultrasonic assistant discharging function simultaneously, battery discharge time shortens greatly, 2h ~ 24h can discharge completely substantially, and Battery disposal efficiency improves more than at least 15 times.
2, mixed liquor medicament reusable edible in discharge groove, regularly adds medicament according to actual mixed liquor Expenditure Levels, and discharge process produces without waste water substantially, saves treatment cost of waste liquor significantly.
3, whole discharge process operating automation degree is high, avoids sucking harmful exhaust and contacting harmful liquid during manual operation.
4, whole discharge process handling safety rank is high, only needs manually to be put into by battery in batches and produce in the link of material loading (waste lithium cell is put into hanging basket) and blanking (waste lithium cell that taking-up processes).
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (12)

1. a processing method for waste lithium cell, is characterized in that, comprises the following steps:
Waste lithium cell is carried out preorder process;
Described waste lithium cell after preorder process is put in mixed liquor medicament and discharges;
Launch ultrasonic wave to mixed liquor medicament and carry out auxiliary discharge;
By the described waste lithium cell clean and reuse after electric discharge.
2. processing method according to claim 1, is characterized in that, in described mixed liquor medicament, the mass concentration of sodium chloride is 1% to 10%.
3. processing method according to claim 2, is characterized in that, also comprises iron chloride or copper chloride in described mixed liquor medicament, and the iron chloride in described mixed liquor medicament or the mass concentration of copper chloride are 0.1% to 1%.
4. processing method according to claim 1, is characterized in that, the waste lithium cell put in mixed liquor medicament carried out rotating or stirring every first scheduled time, and rotation or the time of stirring were second scheduled time.
5. processing method according to claim 1, is characterized in that, the described step by the described waste lithium cell clean and reuse after electric discharge comprises:
Described waste lithium cell after electric discharge is put into rinse bath clean;
Air-dry described waste lithium cell;
Waste lithium cell after air-dry is reclaimed.
6. a treatment system for waste lithium cell, is characterized in that, comprising:
Electric discharge device, described electric discharge device has the discharge groove holding mixed liquor medicament;
Ultrasonic wave functional device, is arranged on described electric discharge device, and described ultrasonic wave functional device is used for launching ultrasonic wave to discharge groove;
Hanging basket, for holding waste lithium cell;
Hanging component, is connected with described hanging basket, and described hanging component carries out lifting moving for driving described hanging basket and moves horizontally.
7. treatment system according to claim 6, it is characterized in that, described electric discharge device also comprises rinse bath, by pipeline conducting between described rinse bath and described discharge groove, described pipeline is provided with water pump, and described water pump is used for the water in described rinse bath to pump in described discharge groove.
8. treatment system according to claim 7, is characterized in that, also comprises air-drying box, and described air-drying box is arranged on the side that described rinse bath deviates from described discharge groove.
9. treatment system according to claim 8, is characterized in that, described hanging component comprises:
Guide rail, described guide rail is arranged on the top of described electric discharge device and air-drying box, and described in described guide rail, the position of discharge groove, described rinse bath and described air-drying box is extended accordingly;
Lifting rotation parts, are connected on described guide rail slidably, and described lifting rotation parts are fixedly connected with described hanging basket, and described lifting rotation parts drive described cage lifting and rotation.
10. treatment system according to claim 7, is characterized in that, described ultrasonic wave functional device is arranged on outside the cell wall of described discharge groove and described rinse bath.
11. treatment systems according to claim 6, is characterized in that, also comprise waste gas cleaning system, and described waste gas cleaning system is for collecting by the waste gas produced in described discharge groove and carrying out purified treatment.
12. treatment systems according to claim 6, is characterized in that, the cell wall material of described discharge groove is polypropylene, is provided with polypropylene screen, the cell wall of described discharge groove is provided with liquid level gauge bottom described discharge groove.
CN201510996885.XA 2015-12-23 2015-12-23 The processing method and processing system of waste lithium cell Active CN105449304B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252771A (en) * 2016-08-12 2016-12-21 上海交通大学 The cleaner discharge method of pretreatment waste and old lithium ion battery in batches
CN107017445A (en) * 2017-05-03 2017-08-04 广州中国科学院沈阳自动化研究所分所 Based on chemical discharge type electrokinetic cell automatic discharging, disassemble recovery system and control method
CN108808143A (en) * 2018-08-27 2018-11-13 桑德集团有限公司 A kind of waste lithium cell repid discharge method and discharge treatment equipment
CN109713391A (en) * 2018-12-07 2019-05-03 株洲鼎端装备股份有限公司 Used Li ion cell discharge system suitable for industrial applications
CN109860648A (en) * 2019-01-02 2019-06-07 安徽得赢新材料科技有限公司 Electric discharge device is used in a kind of processing of waste lithium cell
CN114552044A (en) * 2022-02-22 2022-05-27 中国科学院生态环境研究中心 Method for quickly releasing residual electric quantity of waste lithium ion battery by coupling electrolyte with ultrasonic waves
WO2024051101A1 (en) * 2022-09-06 2024-03-14 广东邦普循环科技有限公司 Method and device for battery pack discharging, and battery pack disassembly method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190329A (en) * 2000-12-21 2002-07-05 Tomotaka Marui Method and device for lead storage battery regeneration
CN1438729A (en) * 2003-03-14 2003-08-27 华南师范大学 Comprehensive recovering treatment technology for waste and old mobile-telephone cell
CN103956534A (en) * 2014-04-14 2014-07-30 湖南中骏科技有限公司 Resource separation method of waste lithium-ion battery ingredients

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190329A (en) * 2000-12-21 2002-07-05 Tomotaka Marui Method and device for lead storage battery regeneration
CN1438729A (en) * 2003-03-14 2003-08-27 华南师范大学 Comprehensive recovering treatment technology for waste and old mobile-telephone cell
CN103956534A (en) * 2014-04-14 2014-07-30 湖南中骏科技有限公司 Resource separation method of waste lithium-ion battery ingredients

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252771A (en) * 2016-08-12 2016-12-21 上海交通大学 The cleaner discharge method of pretreatment waste and old lithium ion battery in batches
CN106252771B (en) * 2016-08-12 2019-02-01 上海交通大学 Batch pre-processes the cleaner discharge method of waste and old lithium ion battery
CN107017445A (en) * 2017-05-03 2017-08-04 广州中国科学院沈阳自动化研究所分所 Based on chemical discharge type electrokinetic cell automatic discharging, disassemble recovery system and control method
CN107017445B (en) * 2017-05-03 2019-07-30 广州中国科学院沈阳自动化研究所分所 Based on chemical discharge type power battery automatic discharging, dismantling recovery system and control method
CN108808143A (en) * 2018-08-27 2018-11-13 桑德集团有限公司 A kind of waste lithium cell repid discharge method and discharge treatment equipment
CN109713391A (en) * 2018-12-07 2019-05-03 株洲鼎端装备股份有限公司 Used Li ion cell discharge system suitable for industrial applications
CN109860648A (en) * 2019-01-02 2019-06-07 安徽得赢新材料科技有限公司 Electric discharge device is used in a kind of processing of waste lithium cell
CN109860648B (en) * 2019-01-02 2022-08-23 安徽得赢新材料科技有限公司 Discharge device for waste lithium battery treatment
CN114552044A (en) * 2022-02-22 2022-05-27 中国科学院生态环境研究中心 Method for quickly releasing residual electric quantity of waste lithium ion battery by coupling electrolyte with ultrasonic waves
WO2024051101A1 (en) * 2022-09-06 2024-03-14 广东邦普循环科技有限公司 Method and device for battery pack discharging, and battery pack disassembly method

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