CN209526183U - Waste and old lithium ion battery recyclable device - Google Patents
Waste and old lithium ion battery recyclable device Download PDFInfo
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- CN209526183U CN209526183U CN201920499414.1U CN201920499414U CN209526183U CN 209526183 U CN209526183 U CN 209526183U CN 201920499414 U CN201920499414 U CN 201920499414U CN 209526183 U CN209526183 U CN 209526183U
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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
Abstract
The utility model provides a kind of waste and old lithium ion battery recyclable device.The device includes quartz sand feeding mechanism, waste and old lithium ion battery feeding mechanism, crushing device, pyrolysis installation, gas supply device, physical absorption device and Alkali absorption device, crushing device is connected with quartz sand feeding mechanism and waste and old lithium ion battery feeding mechanism, for the waste and old lithium ion battery for being mixed with quartz sand to be carried out break process to obtain mixture；Pyrolysis installation is connected with crushing device, and pyrolysis installation has solid residue outlet and pyrolysis gas exhaust outlet；Gas supply device is connected with pyrolysis installation, is used for its internal the supply of nitrogen or inert gas；Physical absorption device is connected with pyrolysis gas exhaust outlet and crushing device, and physical absorption device also has secondary exhaust mouth；Alkali absorption device is connected with secondary exhaust mouth.It is easy the presence of toxic gas discharge on fire, treatment process when can effectively solve the problem that broken worn-out lithium ion battery using device provided by the utility model.
Description
Technical field
The utility model relates to waste and old lithium ion battery processing technology fields, in particular to a kind of applying waste lithium ionic
Battery recovery device.
Background technique
Lithium ion battery has many advantages, such as that voltage is high, small in size, specific energy is high, self discharge is small, highly-safe, by widely
Applied to fields such as consumer electronics product, electric vehicle, industrial energy storage.Studies have shown that the charging of lithium ion battery follows
The ring period is about 500 times, and service life is generally 3~5 years, with the quick increasing of lithium ion battery production quantity and usage quantity
Long, the quantity of waste and old lithium ion battery is also more and more huger.
Lithium ion battery is mainly made of anode, cathode, diaphragm, electrolyte and outer packing, both at home and abroad about waste and old lithium from
The technique of sub- battery recycling can be divided into physical separation method, pyrometallurgy and hydrometallurgy, research be concentrated mainly on discharge treatment,
Dismantling process and positive and negative pole material synthetical recovery process.Although currently, the comprehensive recovering process type of waste and old lithium ion battery compared with
More, but still there are some problems, especially following two problem: one, waste and old lithium ion battery is easy hair during particle
Raw phenomenon on fire.During actual industrial production, the waste and old lithium ion battery after discharge treatment still may have micro electricity
Pressure (is less than 0.1V), can release big calorimetric after positive and negative anodes shorted contacts in shattering process, cause battery particle in shattering process
Phenomenon on fire occurs.In addition to this, casing of lithium ion battery and crusher metal parts occur to rub in shattering process and also can
Spark is generated, micro spark can light the plastic diaphragms in lithium ion battery, and (diaphragm ingredient is polypropylene (PP) or polyethylene
(PE)), and then phenomenon on fire is generated.Two, the electrolyte in waste and old lithium ion battery can volatilize and decompose, and it is virose to generate tool
Volatilize organic gas (VOCs) and HF gas.
Battery is crushed under nitrogen protection atmosphere using mechanical system by patent CN104009269A selection, is crushed
Nitrogen can prevent the generation of phenomenon on fire in journey, but can not prevent the volatilization and decomposition of electrolyte, be mixed in nitrogen
Toxic gas is not handled well.Patent CN103943911A first carries out discharge treatment to waste and old lithium ion battery,
Then spray means of arranging in pairs or groups in closed shear crusher are crushed.Although spray can be effectively prevented phenomenon on fire
Generation, but crushing device equipment can be caused to corrode after spray liquid absorption lithium hexafluoro phosphate, and later separation spray liquid and broken
The problems such as cumbersome there are technique when broken battery.A kind of highly pressurised liquid diced system is disclosed in patent CN105390764A, i.e., in height
Broken cutting process is carried out to waste and old lithium ion battery under press liquid environment, need to arrange in pairs or groups waste liquid recovery apparatus, and highly pressurised liquid without
Method is reused.
Based on the above reasons, it is necessary to a kind of more effective waste and old lithium ion battery recovery process is provided, preferably to solve
Certainly it is easy the presence of toxic gas discharge on fire, treatment process in prior art in broken worn-out lithium ion battery.
Utility model content
The main purpose of the utility model is to provide a kind of waste and old lithium ion battery recyclable devices, to solve prior art
In be easy the presence of toxic gas discharge on fire, treatment process in broken worn-out lithium ion battery.
To achieve the goals above, one aspect according to the present utility model provides a kind of waste and old lithium ion battery time
Receiving apparatus comprising: quartz sand feeding mechanism, for supplying quartz sand；Waste and old lithium ion battery feeding mechanism, it is useless for supplying
Old lithium ion battery；Crushing device is connected with quartz sand feeding mechanism and waste and old lithium ion battery feeding mechanism, for that will mix
There is the waste and old lithium ion battery of quartz sand to carry out break process to obtain mixture；Pyrolysis installation is connected with crushing device, is used for
Pyrolytic reaction is carried out to mixture, pyrolysis installation has solid residue outlet and pyrolysis gas exhaust outlet；Gas supply device,
It is connected with pyrolysis installation, is used for its internal the supply of nitrogen or inert gas；Physical absorption device, with pyrolysis gas exhaust outlet and broken
Crushing device is connected, and the gaseous mixture of the flue gas generated in the pyrolysis gas and crushing device for pyrolysis gas exhaust outlet to be discharged carries out
Physical absorption, physical absorption device also have secondary exhaust mouth；And Alkali absorption device, be connected with secondary exhaust mouth, for pair
The gas of secondary exhaust mouth discharge carries out Alkali absorption.
Further, crushing device is shearing or oppositely rolling roller crusher.
Further, pyrolysis installation is tubular type pyrolysis oven.
Further, physical absorption device is activated carbon adsorption device.
Further, Alkali absorption device is static akaline liquid absorption plant or spray akaline liquid device.
Further, device further includes electric discharge device, and electric discharge device is arranged in series in waste and old lithium ion battery feeding mechanism
Between crushing device, for carrying out discharge treatment to waste and old lithium ion battery before break process.
Further, device further includes exhaust fume collecting hood, and exhaust fume collecting hood is arranged in above the feed opening and discharge port of crushing device, and
It is connected with physical absorption device by gas transfer pipeline, and pyrolysis gas exhaust outlet is connected with gas transfer pipeline.
Further, device further includes gravitational separation equipment, and gravitational separation equipment is connected with solid residue outlet, for solid-state
The solid residue of residue outlet discharge carries out re-selection process to obtain quartz sand regenerant, metallic copper, metallic aluminium and just
Cathode powder.
Further, gravitational separation equipment is chute, shaking table or jigging machine.
Further, device further includes air extractor, and air extractor is connected with Alkali absorption device, for Alkali absorption device
Carry out vacuumize process.
Using above-mentioned apparatus, quartz sand is subjected to break process together with waste and old lithium ion battery, can be effectively prevent brokenly
Problem on fire during broken.Compared to being crushed under nitrogen protection or in the case where water spray soaks state, joined using quartz sand
Be crushed simpler convenience.In addition to this, quartz sand will not impact subsequent pyrolytic process, and it is remaining to enter solid-state
It also can be easily separated after object.When mixture being carried out pyrolytic reaction under the protection of nitrogen or inert gas, electrolyte can occur
Degradation reaction generates HF gas and VOCs gas, forms pyrolysis gas together with nitrogen or inert gas.Collect break process process
It, will be to be processed after the flue gas (wherein also containing because of the HF gas and VOCs gas for decompositing and that volatilizees in shattering process) of middle generation
Gaseous mixture successively carries out physical absorption and Alkali absorption.After physical absorption, the VOCs gas in gas is adsorbed removal, HF
Gas is then absorbed removal during Alkali absorption.
In short, handling waste and old lithium ion battery using device provided by the utility model, broken worn-out can effectively solve the problem that
It is easy the presence of toxic gas discharge on fire, treatment process when lithium ion battery, keeps the processing of battery safer, simple
Just, green.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows a kind of structural frames of the waste and old lithium ion battery recyclable device of embodiment according to the present utility model
Figure.
Wherein, the above drawings include the following reference numerals:
10, quartz sand feeding mechanism；20, waste and old lithium ion battery feeding mechanism；30, crushing device；40, pyrolysis installation；
50, gas supply device；60, physical absorption device；70, Alkali absorption device；80, electric discharge device；90, exhaust fume collecting hood；100, gravity treatment
Equipment；110, air extractor.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As described in background technology part, for the prior art when handling waste and old lithium ion battery, there are broken worn-outs
It is easy the presence of toxic gas discharge on fire, treatment process when lithium ion battery.
To solve the above-mentioned problems, the utility model provides a kind of waste and old lithium ion battery recyclable device, such as Fig. 1 institute
Show comprising quartz sand feeding mechanism 10, waste and old lithium ion battery feeding mechanism 20, crushing device 30, pyrolysis installation 40, gas
Feeding mechanism 50, physical absorption device 60 and Alkali absorption device 70, quartz sand feeding mechanism 10 is for supplying quartz sand；Waste and old lithium
Ion battery feeding mechanism 20 is for supplying waste and old lithium ion battery；Crushing device 30 and quartz sand feeding mechanism 10 and waste and old lithium
Ion battery feeding mechanism 20 is connected, for the waste and old lithium ion battery for being mixed with quartz sand to be carried out break process to be mixed
Close object；Pyrolysis installation 40 is connected with crushing device 30, and for carrying out pyrolytic reaction to mixture, pyrolysis installation 40 is surplus with solid-state
Excess outlet and pyrolysis gas exhaust outlet；Gas supply device 50 is connected with pyrolysis installation 40, is used for its internal the supply of nitrogen
Or inert gas；Physical absorption device 60 is connected with pyrolysis gas exhaust outlet and crushing device 30, for pyrolysis gas exhaust outlet
The gaseous mixture of the flue gas generated in the pyrolysis gas and crushing device 30 of discharge carries out physical absorption, and physical absorption device 60 also has
Secondary exhaust mouth；Alkali absorption device 70 is connected with secondary exhaust mouth, and the gas for secondary exhaust mouth to be discharged carries out Alkali absorption.
Using above-mentioned apparatus, quartz sand is subjected to break process together with waste and old lithium ion battery, can be effectively prevent brokenly
Problem on fire during broken.Compared to being crushed under nitrogen protection or in the case where water spray soaks state, joined using quartz sand
Be crushed simpler convenience.In addition to this, quartz sand will not impact subsequent pyrolytic process, and it is remaining to enter solid-state
It also can be easily separated after object.When mixture being carried out pyrolytic reaction under the protection of nitrogen or inert gas, electrolyte can occur
Degradation reaction generates HF gas and VOCs gas, forms pyrolysis gas together with nitrogen or inert gas.Collect break process process
It, will be to be processed after the flue gas (wherein also containing because of the HF gas and VOCs gas for decompositing and that volatilizees in shattering process) of middle generation
Gaseous mixture successively carries out physical absorption and Alkali absorption.After physical absorption, the VOCs gas in gas is adsorbed removal, HF
Gas is then absorbed removal during Alkali absorption.
Above-mentioned crushing device 30 can use type commonly used in the art, it is preferable that crushing device 30 is shearing or right
Kibbler roll.
In a preferred embodiment, pyrolysis installation 40 is tubular type pyrolysis oven.The temperature control of tubular type pyrolysis oven is more preferable,
It can provide temperature stable reaction environment for pyrolytic reaction.
In a preferred embodiment, above-mentioned physical absorption device 60 is activated carbon adsorption device.Activated carbon adsorption
Using active carbon as adsorbent in device, large specific surface area, absorption property is preferable, can more fully adsorb in pyrolysis gas
VOCs gas.
The purpose of above-mentioned Alkali absorption device 70 is that the gaseous mixture to be processed and lye after making absorption absorb, so that HF therein
Gas and alkaline reaction.In a preferred embodiment, above-mentioned Alkali absorption device 70 is static akaline liquid absorption plant
Or spray akaline liquid device.In this way, the gaseous mixture to be processed after absorption can be passed directly into alkali in specific implementation procedure
With alkaline reaction in liquid, it can also be contacted and be reacted with the gaseous mixture to be processed after absorption by the way of lye spray.
In actual operation, physical absorption device 60 and Alkali absorption device 70 should increase as far as possible the same adsorbent of gas,
The contact area of lye is conducive to the adsorption treatment of VOCs gas and HF gas.
In order to improve operational safety, in a preferred embodiment, above-mentioned apparatus further includes electric discharge device 80, is put
Electric installation 80 is arranged in series between waste and old lithium ion battery feeding mechanism 20 and crushing device 30, for before break process
Discharge treatment is carried out to waste and old lithium ion battery.Above-mentioned discharge treatment process uses the usual means of this field.
In a preferred embodiment, above-mentioned apparatus further includes exhaust fume collecting hood 90, and exhaust fume collecting hood 90 is arranged in crushing device
Above 30 feed opening and discharge port, and it is connected with physical absorption device 60 by gas transfer pipeline, and pyrolysis gas exhaust outlet
It is connected with gas transfer pipeline.The fume collection that can will be generated in shattering process using exhaust fume collecting hood 90, then passes through gas
The pyrolysis gas generated during flue gas and pyrolytic reaction is mixed and is delivered in physical absorption device 60 together by body transfer pipeline
It is handled.
After battery battery core in mixture carries out pyrolytic reaction, other than electrolyte can degrade, anode and cathode
Material can also react, specific as follows: the negative electrode material carbon in battery battery core can be with positive electrode LiNi1-x-yCoxMnyO2Hair
Raw reaction generates positive and negative anodes pyrogen, main component C, CoO, MnO, NiO, Li2CO3And Ni.In addition to positive and negative anodes powder with
Outside, also containing Cu, Al piece etc. in positive/negative plate in the solid residue after pyrolysis.In a preferred embodiment, it fills
Setting further includes gravitational separation equipment 100, and gravitational separation equipment 100 is connected with solid residue outlet, for solid residue outlet
The solid residue of discharge carries out re-selection process to obtain quartz sand regenerant, metallic copper, metallic aluminium and positive and negative anodes powder.
Above-mentioned gravitational separation equipment 100 can use type commonly used in the art, such as chute, shaking table or jigging machine.
In a preferred embodiment, above-mentioned apparatus further includes air extractor 110, air extractor 110 and Alkali absorption
Device 70 is connected, for carrying out vacuumize process to Alkali absorption device 70.Air extractor can accelerate the flow velocity of gas in the paths,
Treatment effeciency is improved, air extractor can be using common types such as vacuum pumps.
Another aspect according to the present utility model additionally provides a kind of waste and old lithium ion battery recovery method, this method packet
Include following steps: the waste and old lithium ion battery for being mixed with quartz sand is carried out break process, obtains mixture by step S1；Step S2,
Under the protection of nitrogen or inert gas, mixture is subjected to pyrolytic reaction, obtains solid residue and pyrolysis gas；Step S3,
The flue gas and pyrolysis gas generated during break process is collected, gaseous mixture to be processed is formed；Step S4, successively to mixing to be processed
Gas carries out physical absorption, Alkali absorption.
Using the above method, quartz sand is subjected to break process together with waste and old lithium ion battery, can be effectively prevent brokenly
Problem on fire during broken.Compared to being crushed under nitrogen protection or in the case where water spray soaks state, joined using quartz sand
Be crushed simpler convenience.In addition to this, quartz sand will not impact subsequent pyrolytic process, and it is remaining to enter solid-state
It also can be easily separated after object.When mixture being carried out pyrolytic reaction under the protection of nitrogen or inert gas, electrolyte can occur
Degradation reaction generates HF gas and VOCs gas, forms pyrolysis gas together with nitrogen or inert gas.Collect break process process
It, will be to be processed after the flue gas (wherein also containing because of the HF gas and VOCs gas for decompositing and that volatilizees in shattering process) of middle generation
Gaseous mixture successively carries out physical absorption and Alkali absorption.After physical absorption, the VOCs gas in gas is adsorbed removal, HF
Gas is then absorbed removal during Alkali absorption.
In short, handling waste and old lithium ion battery using method provided by the utility model, broken worn-out can effectively solve the problem that
It is easy the presence of toxic gas discharge on fire, treatment process when lithium ion battery, keeps the processing of battery safer, simple
Just, green.
In a preferred embodiment, in step S2, the condition of pyrolytic reaction is as follows: by mixture 500~650
1~6 hour is kept the temperature under the conditions of DEG C temperature.Under this condition, the cell reaction of electrolyte is more thorough.Above-mentioned pyrolytic reaction uses
Equipment can be conventional pyrolysis plant, in a preferred embodiment, in step S2, pyrolytic reaction is in tube furnace
It carries out, the flow velocity of nitrogen or inert gas in tube furnace is 0.2~2L/min.The flow control of nitrogen or inert gas is existed
In above range, be on the one hand conducive to provide inert atmosphere for pyrolytic reaction, on the one hand, in the carrying institute of nitrogen or inert gas
Under, also HF gas and VOCs gas that pyrolytic reaction generates more stably can be delivered to subsequent physical absorption and alkali is inhaled
The receipts stage.
It is on fire in shattering process in order to more efficiently prevent from, it is in a preferred embodiment, waste and old in step S1
The weight ratio of lithium ion battery and quartz sand is 1:1~10.
In a preferred embodiment, in step S4, physical adsorption process uses active carbon as adsorbent, waste and old
The weight ratio of lithium ion battery and active carbon is 1:0.2~2.The VOCs gas in pyrolysis gas can be more fully adsorbed in this way.
As long as the lye used during above-mentioned Alkali absorption can be reacted i.e. with the HF gas in gaseous mixture to be processed
Can, in a preferred embodiment, in step S4, the lye used during Alkali absorption is Ca (OH)2、NaOH、KOH、
NaHCO3And KHCO3In one or more aqueous solution, concentration is 1~5mol/L preferably in lye.In specific implementation procedure
In, during above-mentioned Alkali absorption, the gaseous mixture to be processed after physical absorption can be passed through in lye and be absorbed, it can also be with
Lye is contacted in a manner of spraying with the gaseous mixture to be processed after physical absorption to absorb.
In order to improve operational safety, in a preferred embodiment, by before carrying out break process, step S1 is also
Process including waste and old lithium ion battery to be carried out to discharge treatment.Above-mentioned discharge treatment process is using the common method of this field
Can, in a preferred embodiment, above-mentioned discharge treatment step includes: that waste and old lithium ion battery is placed in neutral or alkalinity
Supporting electrolyte in impregnate 12~for 24 hours；Preferably, supporting electrolyte is NaCl aqueous solution or NaHCO3Aqueous solution, more preferably
The concentration of supporting electrolyte is 1~5mol/L.
Battery battery core in mixture is positive and negative other than electrolyte can degrade after pyrolytic reaction
Pole material can also react, specific as follows: the negative electrode material carbon in battery battery core can be with positive electrode LiNi1-x-yCoxMnyO2
It reacts and generates positive and negative anodes pyrogen, main component C, CoO, MnO, NiO, Li2CO3And Ni.In addition to positive and negative anodes powder with
Outside, also containing Cu, Al piece etc. in positive/negative plate in the solid residue after pyrolysis.In a preferred embodiment, exist
After obtaining solid residue, method further include: solid residue is carried out re-selection process by step S5, obtain quartz sand regenerant,
Metallic copper, metallic aluminium and positive and negative anodes powder.It is highly preferred that can will be recycled in quartz sand regenerant return step S1.
For positive and negative anodes powder, can also be extracted using Wet-process metallurgy method commonly used in the art metal Li, Ni therein,
The valuable metals element such as Co and Mn, specific method are known to the skilled in the art, and details are not described herein.
The application is described in further detail below in conjunction with specific embodiment, these embodiments should not be understood as limitation originally
Apply for range claimed.
Embodiment 1
Waste and old ternary lithium ion battery is handled using Fig. 1 device:
Waste and old ternary lithium ion battery is put into the NaCl solution of 2mol/L and is discharged for 24 hours, battery taking-up is dried in the air after electric discharge
It is dry.Battery after drying and quartz sand are mixed according to mass ratio 1:10 and are sent into oppositely rolling roller crusher, it is broken to obtain mixed material,
And shattering process does not occur spark.The inlet port and outlet port of crusher are all connected with exhaust fume collecting hood, and exhaust fume collecting hood is connected into active carbon suction
Adsorption device and Alkali absorption device.By 11kg mixed material be sent into pyrolysis oven in, under 1L/min nitrogen protection atmosphere with 10 DEG C/
Min heating rate rises to 650 DEG C, keeps the temperature cooled to room temperature after 2h.Pyrolysis oven gas outlet is connected by exhaust fume collecting hood export pipeline
Connect activated carbon adsorption device and Alkali absorption device, quality of activated carbon 1kg, the hydrogen for being 2mol/L equipped with concentration in Alkali absorption device
Sodium hydroxide solution.The obtained material of pyrolysis is sent into shaking table and carries out Gravity separation, finally obtains quartz sand, copper powder, aluminium powder and black
Color powder.Quartz sand can be repeated for mixing shattering process, and black powder can be used for wet underwater welding valuable metal Ni, Co, Mn, Li
Deng.
Absorption detecting result:
1 tube furnace gas outlet of table and Alkali absorption device testing result
Embodiment 2
Waste and old ternary lithium ion battery is handled using Fig. 1 device:
Waste and old ternary lithium ion battery is put into the NaCl solution of 2mol/L and is discharged for 24 hours, battery taking-up is dried in the air after electric discharge
It is dry.Battery after drying and quartz sand are mixed according to mass ratio 1:5 and are sent into shear crusher, it is broken to obtain mixed material,
And shattering process does not occur spark.The inlet port and outlet port of crusher are all connected with exhaust fume collecting hood, and exhaust fume collecting hood is connected into active carbon suction
Adsorption device and Alkali absorption device.By 12kg mixed material be sent into pyrolysis oven in, under 1.5L/min nitrogen protection atmosphere with 5 DEG C/
Min heating rate rises to 650 DEG C, keeps the temperature cooled to room temperature after 2h.Pyrolysis oven gas outlet is connected by exhaust fume collecting hood export pipeline
Connect activated carbon adsorption device and Alkali absorption device, quality of activated carbon 1kg, the hydrogen for being 4mol/L equipped with concentration in Alkali absorption device
Sodium hydroxide solution.The obtained material of pyrolysis is sent into shaking table and carries out Gravity separation, finally obtains quartz sand, copper powder, aluminium powder and black
Color powder.Quartz sand can be repeated for mixing shattering process, and black powder can be used for wet underwater welding valuable metal Ni, Co, Mn, Li
Deng.
Absorption detecting result:
2 tube furnace gas outlet of table and Alkali absorption device testing result
Embodiment 3
Waste and old ternary lithium ion battery is handled using Fig. 1 device:
Waste and old ternary lithium ion battery is put into the NaCl solution of 5mol/L the 12h that discharges, battery taking-up is dried in the air after electric discharge
It is dry.Battery after drying and quartz sand are mixed according to mass ratio 1:5 and are sent into shear crusher, it is broken to obtain mixed material,
And shattering process does not occur spark.The inlet port and outlet port of crusher are all connected with exhaust fume collecting hood, and exhaust fume collecting hood is connected into active carbon suction
Adsorption device and Alkali absorption device.By 12kg mixed material be sent into pyrolysis oven in, under 0.2L/min nitrogen protection atmosphere with 5 DEG C/
Min heating rate rises to 500 DEG C, keeps the temperature cooled to room temperature after 6h.Pyrolysis oven gas outlet is connected by exhaust fume collecting hood export pipeline
Connect activated carbon adsorption device and Alkali absorption device, quality of activated carbon 0.4kg equipped with concentration is 5mol/L's in Alkali absorption device
Sodium hydroxide solution.The obtained material of pyrolysis is sent into shaking table and carries out Gravity separation, finally obtain quartz sand, copper powder, aluminium powder and
Black powder.Quartz sand can be repeated for mixing shattering process, black powder can be used for wet underwater welding valuable metal Ni, Co, Mn,
Li et al..
Absorption detecting result:
3 tube furnace gas outlet of table and Alkali absorption device testing result
Embodiment 4
Waste and old ternary lithium ion battery is handled using Fig. 1 device:
Waste and old ternary lithium ion battery is put into the NaCl solution of 1mol/L and is discharged for 24 hours, battery taking-up is dried in the air after electric discharge
It is dry.Battery after drying and quartz sand are mixed according to mass ratio 1:1 and are sent into shear crusher, it is broken to obtain mixed material,
And shattering process does not occur spark.The inlet port and outlet port of crusher are all connected with exhaust fume collecting hood, and exhaust fume collecting hood is connected into active carbon suction
Adsorption device and Alkali absorption device.By 4kg mixed material be sent into pyrolysis oven in, under 0.2L/min nitrogen protection atmosphere with 5 DEG C/
Min heating rate rises to 600 DEG C, keeps the temperature cooled to room temperature after 3h.Pyrolysis oven gas outlet is connected by exhaust fume collecting hood export pipeline
Connect activated carbon adsorption device and Alkali absorption device, quality of activated carbon 8kg, the hydrogen for being 5mol/L equipped with concentration in Alkali absorption device
Sodium hydroxide solution.The obtained material of pyrolysis is sent into shaking table and carries out Gravity separation, finally obtains quartz sand, copper powder, aluminium powder and black
Color powder.Quartz sand can be repeated for mixing shattering process, and black powder can be used for wet underwater welding valuable metal Ni, Co, Mn, Li
Deng.
Absorption detecting result:
4 tube furnace gas outlet of table and Alkali absorption device testing result
Embodiment 5
Waste and old ternary lithium ion battery is handled using Fig. 1 device:
Waste and old ternary lithium ion battery is put into the NaCl solution of 1mol/L and is discharged for 24 hours, battery taking-up is dried in the air after electric discharge
It is dry.Battery after drying and quartz sand are mixed according to mass ratio 1:10 and are sent into shear crusher, it is broken to obtain mixed material,
And shattering process does not occur spark.The inlet port and outlet port of crusher are all connected with exhaust fume collecting hood, and exhaust fume collecting hood is connected into active carbon suction
Adsorption device and Alkali absorption device.11kg mixed material is sent into pyrolysis oven, with 5 DEG C/min under 2L/min nitrogen protection atmosphere
Heating rate rises to 400 DEG C, keeps the temperature cooled to room temperature after 6h.It is lived by the connection of exhaust fume collecting hood export pipeline pyrolysis oven gas outlet
Property charcoal adsorbent equipment and Alkali absorption device, quality of activated carbon 0.2kg, the hydrogen for being 0.8mol/L equipped with concentration in Alkali absorption device
Sodium hydroxide solution.The obtained material of pyrolysis is sent into shaking table and carries out Gravity separation, finally obtains quartz sand, copper powder, aluminium powder and black
Color powder.Quartz sand can be repeated for mixing shattering process, and black powder can be used for wet underwater welding valuable metal Ni, Co, Mn, Li
Deng.
Absorption detecting result:
5 tube furnace gas outlet of table and Alkali absorption device testing result
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of waste and old lithium ion battery recyclable device characterized by comprising
Quartz sand feeding mechanism (10), for supplying quartz sand；
Waste and old lithium ion battery feeding mechanism (20), for supplying the waste and old lithium ion battery；
Crushing device (30), it is homogeneous with the quartz sand feeding mechanism (10) and the waste and old lithium ion battery feeding mechanism (20)
Even, for the waste and old lithium ion battery for being mixed with the quartz sand to be carried out break process to obtain mixture；
Pyrolysis installation (40) is connected with the crushing device (30), for carrying out pyrolytic reaction, the pyrolysis to the mixture
Device (40) has solid residue outlet and pyrolysis gas exhaust outlet；
Gas supply device (50) is connected with the pyrolysis installation (40), is used for its internal the supply of nitrogen or inert gas；
Physical absorption device (60) is connected with the pyrolysis gas exhaust outlet and the crushing device (30), for the heat
The gaseous mixture of the flue gas generated in the pyrolysis gas and the crushing device (30) of exhaust outlet of venting one's spleen discharge carries out physical absorption, described
Physical absorption device (60) also has secondary exhaust mouth；And
Alkali absorption device (70) is connected with the secondary exhaust mouth, and the gas for the secondary exhaust mouth to be discharged carries out alkali
It absorbs.
2. waste and old lithium ion battery recyclable device according to claim 1, which is characterized in that the crushing device (30) is
Shearing or oppositely rolling roller crusher.
3. waste and old lithium ion battery recyclable device according to claim 1, which is characterized in that the pyrolysis installation (40) is
Tubular type pyrolysis oven.
4. waste and old lithium ion battery recyclable device according to claim 1, which is characterized in that the physical absorption device
It (60) is activated carbon adsorption device.
5. waste and old lithium ion battery recyclable device according to claim 1, which is characterized in that the Alkali absorption device (70)
For static akaline liquid absorption plant or spray akaline liquid device.
6. waste and old lithium ion battery recyclable device according to any one of claim 1 to 5, which is characterized in that the dress
Setting further includes electric discharge device (80), and the electric discharge device (80) is arranged in series in the waste and old lithium ion battery feeding mechanism (20)
Between the crushing device (30), for being carried out at electric discharge before the break process to the waste and old lithium ion battery
Reason.
7. waste and old lithium ion battery recyclable device according to any one of claim 1 to 5, which is characterized in that the dress
Setting further includes exhaust fume collecting hood (90), and the exhaust fume collecting hood (90) is arranged above the feed opening and discharge port of the crushing device (30),
And it is connected with the physical absorption device (60) by gas transfer pipeline, and the pyrolysis gas exhaust outlet and the gas convey
Pipeline is connected.
8. waste and old lithium ion battery recyclable device according to claim 7, which is characterized in that described device further includes gravity treatment
Equipment (100), the gravitational separation equipment (100) are connected with the solid residue outlet, for arranging the solid residue
The solid residue of outlet discharge carries out re-selection process to obtain quartz sand regenerant, metallic copper, metallic aluminium and positive and negative anodes powder.
9. waste and old lithium ion battery recyclable device according to claim 8, which is characterized in that the gravitational separation equipment (100)
For chute, shaking table or jigging machine.
10. waste and old lithium ion battery recyclable device according to any one of claim 1 to 5, which is characterized in that the dress
Setting further includes air extractor (110), and the air extractor (110) is connected with the Alkali absorption device (70), for the alkali
Absorption plant (70) carries out vacuumize process.
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| CN201920499414.1U CN209526183U (en) | 2019-04-11 | 2019-04-11 | Waste and old lithium ion battery recyclable device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071342A (en) * | 2019-04-11 | 2019-07-30 | 中国恩菲工程技术有限公司 | Waste and old lithium ion battery recovery method and device |
| CN112635867A (en) * | 2020-12-29 | 2021-04-09 | 广东省科学院资源综合利用研究所 | Method for recovering waste lithium battery graphite material |
-
2019
- 2019-04-11 CN CN201920499414.1U patent/CN209526183U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071342A (en) * | 2019-04-11 | 2019-07-30 | 中国恩菲工程技术有限公司 | Waste and old lithium ion battery recovery method and device |
| CN112635867A (en) * | 2020-12-29 | 2021-04-09 | 广东省科学院资源综合利用研究所 | Method for recovering waste lithium battery graphite material |
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