CN109244587A - The processing unit and method of old and useless battery - Google Patents
The processing unit and method of old and useless battery Download PDFInfo
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- CN109244587A CN109244587A CN201811349481.1A CN201811349481A CN109244587A CN 109244587 A CN109244587 A CN 109244587A CN 201811349481 A CN201811349481 A CN 201811349481A CN 109244587 A CN109244587 A CN 109244587A
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- battery
- electrolyte
- heat drying
- drying furnace
- old
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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
-
- 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 present invention provides the processing unit of old and useless battery and methods, are related to old and useless battery innoxious process for treating field, including electrolyte heat drying furnace and the battery crusher, the splicing storage tank that are divided into electrolyte heat drying furnace both ends.It is provided with heating device on the furnace body of electrolyte heat drying furnace, tilting lifting blade is provided on inboard wall of furnace body, electrolyte heat drying stokehold end is provided with exhaust pipe；Waste and old lithium ion battery is broken for being delivered to electrolyte heat drying furnace after battery crushing material by battery crusher；When furnace body rotates, battery crushing material is raised simultaneously forward slip by tilting lifting blade, is fallen after shedding it to eminence；In the process, electrolyte is evaporated removal by contacting hot environment, and the electrolyte vapors of volatilization are discharged by exhaust pipe, and the material after drying is stored in splicing storage tank.The present invention is conducive to recycling and harmless treatment to electrolyte, reduces environmental pollution, and the recycling rate of waterused of resource is improved by the recycling to valuable metal.
Description
Technical field
The present invention relates to old and useless battery innoxious process for treating fields, processing unit and side more particularly, to old and useless battery
Method.
Background technique
With the development of science and technology, each electronic product has been widely used in the every field of production and living.Due to lithium
Ion battery has the advantages such as operating voltage is high, energy density is high, have extended cycle life, self discharge is small, has a safety feature, thus more
To use as the energy source device of electronic product more.Meanwhile with the popularization for clean energy resource, lithium ion battery is also wide
It is applied in the fields such as electric car generally.
In recent years, as lithium ion battery is using more and more extensive, the production and consumption of lithium ion battery is also presented quickly
The trend of growth.Since the service life of lithium ion battery is limited, thus, lithium ion battery widely apply while, also with
Produce a large amount of waste and old lithium ion battery.
Contain valuable metals and the carbonate based organic solvents and hexafluoro such as a large amount of copper cobalt nickel aluminium lithiums in waste and old lithium ion battery
The electrolyte such as lithium phosphate.Cobalt ambrose alloy contained in the waste and old lithium ion battery discarded in environment etc. will cause heavy metal to environment
Pollution, carbonates substance will cause organic pollution, and the electrolyte such as lithium hexafluoro phosphate encounter the moisture in water or air just
Volatile corrosivity harmful toxic matter such as phosphorus pentafluoride, hydrogen fluoride can be generated, biggish danger can be caused to human body and environment.
When waste and old lithium ion battery is recycled, electrolyte is readily volatilized and generates irritating corrosivity pernicious gas,
Serious pollution environment, influences human health, while also resulting in waste.
Summary of the invention
In view of this, the purpose of the present invention is to provide the processing unit of old and useless battery and method, by waste and old lithium from
Sub- battery is crushed, is heated, and separates electrolyte with solid matter, is conducive to recycling and innoxious place to electrolyte
Reason, reduces environmental pollution, and the recycling rate of waterused of resource is improved by the recycling to valuable metal.
In a first aspect, the embodiment of the invention provides a kind of processing units of old and useless battery, wherein heated including electrolyte
Drying oven and battery crusher, the splicing storage tank for being divided into the electrolyte heat drying furnace both ends；
It is provided with heating device on the furnace body of the electrolyte heat drying furnace, inclination is provided on the inboard wall of furnace body
Formula lifting blade, the electrolyte heat drying furnace are provided with exhaust at the fixed part close to described battery crusher one end
Pipe.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating battery crusher includes the storage bin being connected and crusher chamber, and the correspondence of the storage bin is provided with front apron and rear gear
Plate.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
It states and is provided with inert gas tube on battery crusher and the electrolyte heat drying furnace.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
It states and is provided with labyrinth-type excluder between the rotating part and fixed part of electrolyte heat drying furnace；
The labyrinth-type excluder includes the movable labyrinth ring being set on the dry furnace outer wall, the activity labyrinth
The outside of ring is provided with matched fixed labyrinth ring.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein institute
It states battery crusher and the electrolyte heat drying furnace is all made of resistance to fluoride ions corrosion material and is made；
Alternatively, the surfaces externally and internally in the battery crusher and the electrolyte heat drying furnace is provided with resistance to fluoride ions corruption
Corrosion material layer.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein institute
The heating method for stating heating device use includes at least one of Resistant heating, microwave heating, high-temperature gas heating.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein packet
Include the support roller being set to below the electrolyte heat drying furnace and driving device.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiments of first aspect, wherein institute
It states and is provided with exhaust apparatus on exhaust pipe.
Second aspect, the embodiment of the present invention also provide a kind of processing method of old and useless battery, wherein the described method includes:
Waste and old lithium ion battery is broken for by battery crushing material using battery crusher, and the battery crushing material is conveyed
To in the electrolyte heat drying furnace；
When the furnace body rotation of the electrolyte heat drying furnace, the battery crushing material is raised simultaneously by tilting lifting blade
Forward slip, so that the battery crushing material is shed to eminence until falling after being detached from the tilting lifting blade；
During the battery crushing material is slided and fallen, the electrolyte in the battery crushing material passes through contact high temperature
Environment is evaporated removal, meanwhile, the electrolyte vapors that will volatilize are discharged by exhaust pipe, and the material after drying is stored
In splicing storage tank.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein institute
State method further include:
Inert gas is inputted into the battery crusher and the electrolyte heat drying furnace by inert gas tube.
The embodiment of the present invention bring it is following the utility model has the advantages that
The processing unit and method of old and useless battery provided by the invention, including electrolyte heat drying furnace and it is divided into electrolysis
Battery crusher, the splicing storage tank at liquid heat drying furnace both ends are provided with heating device on the furnace body of electrolyte heat drying furnace,
Tilting lifting blade is provided on inboard wall of furnace body, electrolyte heat drying furnace is at the fixed part close to battery crusher one end
It is provided with exhaust pipe；Waste and old lithium ion battery is broken for being delivered to electrolyte heat drying after battery crushing material by battery crusher
In furnace；When drying oven rotates, tilting lifting blade raises battery crushing material and forward slip so that battery crushing material shed to
It is fallen after eminence；During the sliding of battery crushing material is fallen, electrolyte in battery crushing material by contact hot environment into
The electrolyte vapors of row evaporative removal, volatilization are discharged by exhaust pipe.The present invention by being crushed to waste and old lithium ion battery,
Heat treatment, separates electrolyte with solid matter, is conducive to recycling and harmless treatment to old and useless battery, and it is dirty to reduce environment
It contaminates, and improves the recycling rate of waterused of resource by the recycling to valuable metal.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the processing unit for the old and useless battery that the embodiment of the present invention one provides；
Fig. 2 is the schematic diagram of driving device that the embodiment of the present invention one provides；
Fig. 3 is the schematic diagram for the labyrinth-type excluder that the embodiment of the present invention one provides；
Fig. 4 is the processing method flow chart of old and useless battery provided by Embodiment 2 of the present invention.
Icon:
110- storage bin；111- front apron；112- rear baffle；120- crusher chamber；210- furnace body；211- tilting lifting
Plate；220- exhaust pipe；230- inert gas tube；240- labyrinth-type excluder；241- activity labyrinth ring；242- fixes labyrinth
Ring；250- support roller；300- splicing storage tank；400- attachment device；510- gear wheel；520- pinion gear；530- gearbox；540- electricity
Motivation.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In recent years, as lithium ion battery is using more and more extensive, the production and consumption of lithium ion battery is also presented quickly
The trend of growth.Since the service life of lithium ion battery is limited, thus, lithium ion battery widely apply while, also with
Produce a large amount of waste and old lithium ion battery.Contain valuable metals and the carbon such as a large amount of copper cobalt nickel aluminium lithiums in waste and old lithium ion battery
The electrolyte such as esters of gallic acid organic solvent and lithium hexafluoro phosphate.Discard cobalt ambrose alloy contained in the waste and old lithium ion battery in environment
Deng will cause heavy metal pollution to environment, carbonates substance will cause organic pollution, and the electrolyte such as lithium hexafluoro phosphate are met
Volatile corrosivity harmful toxic matter such as phosphorus pentafluoride, hydrogen fluoride will be generated to the moisture in water or air, can to human body and
Environment causes biggish danger.When waste and old lithium ion battery is recycled, electrolyte is readily volatilized and generates irritating corrosion
Property pernicious gas, seriously pollutes environment, influences human health, while also resulting in the waste of valuable metal.Therefore waste and old lithium from
Sub- battery must be recycled, and on the one hand avoided environmental pollution, on the other hand can be recycled useful substance.
Based on this, the processing unit and method of old and useless battery provided in an embodiment of the present invention, can by waste and old lithium from
Sub- battery is crushed, is heated, and separates electrolyte with solid matter, is conducive to recycling and innoxious place to electrolyte
Reason, reduces environmental pollution, and the recycling rate of waterused of resource is improved by the recycling to valuable metal.
For the processing unit convenient for understanding the present embodiment, first to old and useless battery disclosed in the embodiment of the present invention
It describes in detail.
Embodiment one:
Fig. 1 is the schematic diagram of the processing unit for the old and useless battery that the embodiment of the present invention one provides.
Referring to Fig.1, the processing unit of old and useless battery includes electrolyte heat drying furnace and is divided into electrolyte heat drying
Battery crusher, the splicing storage tank 300 at furnace both ends.
Specifically, the both ends of electrolyte heat drying furnace are fixed part, are rotatable drying oven between fixed part
Ontology is known as furnace body 210 in the present embodiment.One end fixed part of electrolyte heat drying furnace passes through attachment device 400 and electricity
Pond crusher is connected, and the other end fixed part of electrolyte heat drying furnace is connected with splicing storage tank 300, attachment device
400 be the equipment such as material conveyer (conveyer belt) or pipeline.According to the processing of old and useless battery, conveying process, by electrolyte plus
Heated drying furnace is known as front end close to one end of battery crusher, and electrolyte heat drying furnace claims close to one end of splicing storage tank 300
For tail end.
It is provided with exhaust pipe 220 at the front retention section of electrolyte heat drying furnace, in order to further increase exhaust effect
Exhaust apparatus (such as exhaust fan) can also be arranged in fruit on exhaust pipe 220.The tail end fixed part of electrolyte heat drying furnace
Inert gas tube 230 is provided in place and battery crusher.Before being crushed, being heated to waste and old lithium ion battery,
Inert gas is inputted into device from inert gas tube 230, to ensure that electrolyte does not burn in broken and heating evaporation
And explosion, improve the safety of old and useless battery recovery operation.
Further, battery crusher is provided with storage bin 110 at feed inlet, is connected with storage bin 110 and is broken
Broken chamber 120.Inert gas tube 230 may be disposed in storage bin 110 and/or crusher chamber 120.The front and back of storage bin 110 is provided with
Front apron 111 and rear baffle 112.Waste and old lithium ion battery feed when, open front apron 111, close rear baffle 112, prevent air into
Enter crusher chamber 120；When charging finishes, closes front apron 111, opens rear baffle 112, air is prevented to enter storage bin 110.Waste and old lithium from
Sub- battery can enter crusher chamber 120 by conveying mechanism.
When inert gas tube 230 is set on storage bin 110, can be hindered using closing front apron 111 and opening rear baffle 112
Only air enters storage bin 110, reduces the inlet of air, guarantees the concentration of inert gas in device, can further prevent
Only burning and explosion phenomenon improve process safety.
When inert gas tube 230 is set in crusher chamber 120, inert gas is only filled in crusher chamber 120, reduces inertia
The filling space of gas can not only save inert gas dosage, but also can guarantee the safety of battery crushing process.Moreover, base
In prevention of the storage bin 110 to air, can reduce old and useless battery from storage bin 110 enter crusher chamber 120 during sky
Gas inlet guarantees the concentration of inert gas.
When inert gas tube 230 is set in storage bin 110 and crusher chamber 120 simultaneously, the inert gas being filled with can
Maximum safety guarantee is provided which in the storage of old and useless battery and broken link.
Since lithium ion battery plus-negative plate and diaphragm are superimposed together, electrolyte is full therebetween, to make electrolysis therebetween
Liquid can evaporate, it is therefore necessary to be crushed.It is broken that waste and old lithium ion battery is broken into square centimeter grade in crusher chamber 120
After piece, anode, cathode and diaphragm can scatter at relatively high temperatures.Therefore, here it is not necessary that waste and old lithium ion battery to be crushed
To very tiny degree, the size of battery crushing material only need to be square centimeter grade, such as 1-2cm2。
Further, electrolyte heat drying furnace major part is cylindrical furnace body 210.It is provided with and adds on furnace body 210
Thermal (not shown) is provided with multiple tilting lifting blades 211 on 210 inner wall of furnace body.The heating method of heating device
At least one of can be but be not limited to following manner: Resistant heating, microwave heating, high-temperature gas heating utilize heating
Environment temperature in drying oven 210 is heated to being suitble to the temperature of electrolyte evaporation, such as 100-200 DEG C by device.For the ease of
Installation and replacement, heating device are preferentially selectively mounted to the outside of furnace body 210, by the object of 210 the inside of heat transfer heating furnace body
Material, at this point, furnace body 210 should be the good metal of thermal conductivity；When heating method is microwave heating, since microwave cannot penetrate gold
Belong to, at this point, the non-metallic materials such as ceramics may be selected in furnace body 210.
Battery crushing material is transported in electrolyte heat drying furnace by attachment device 400；With the rotation of furnace body 210, electricity
Pond broken material is inclined by formula lifting blade 211 and takes eminence to, and along inclined-plane forward slip；Battery crushing material shed to eminence until
It can not be caught by lifting blade, battery crushing material is fallen from above, and the material of adhesion is impacted and scattered, at this time battery crushing material
A distance has been moved along in furnace.Battery crushing material is stirred and dispersed using lifting blade, is increased and air
Contact area accelerates next drying process.Battery crushing material contacts high temperature ring in the motion process for sliding and falling
Border (such as 100-200 DEG C), electrolyte therein have the characteristics that be easy to volatilize, and so that electrolyte is evaporated to gas using high temperature,
The electrolyte vapors of volatilization are from the discharge of exhaust pipe 220 and further progress recycling or do harmless treatment, meanwhile, the object after drying
Material is discharged from the tail end of furnace body 210, falls into splicing storage tank 300.Carrying out recycling to the material after drying on the one hand can be to avoid
On the other hand environmental pollution can therefrom extract the valuable metals such as copper cobalt nickel, be conducive to the recycling of resource.
It is provided with the multiple support rollers 250 to play a supportive role below electrolyte heat drying furnace, and is provided with driving furnace
The driving equipment that body 210 rotates.Referring to Fig. 2, driving equipment may include motor 540, gearbox 530 and set around gear etc.
It is standby, it include the gear wheel 510 and pinion gear 520 of collocation around gear, wherein gear wheel 510 is nested on the outer wall of furnace body 210,
Pinion gear 520 is connected by gearbox 530 with motor 540.Motor 540 provides driving force, through 530 deceleration rear-guard of gearbox
Dynamic pinion gear 520 rotates, and pinion gear 520 then drives gear wheel 510 to rotate, and rotates furnace body 210.
Further, referring to Fig. 3, fan is provided between the rotating part and fixed part at electrolyte heat drying furnace both ends
Palace formula sealing device 240；It includes the movable labyrinth ring 241 being set on 210 outer wall of furnace body, the outside of movable labyrinth ring 241
It is provided with matched fixed labyrinth ring 242, forms tortuous passageway between movable labyrinth ring 241 and fixed labyrinth ring 242.Labyrinth type
Sealing device 240 increases flow resistance using air multipass tortuous passageway and prevents gas leakage, reduces outside air and enters, has
Conducive to the concentration for improving inert gas in electrolyte vapor concentration, and effective control device, prevents to burn and explode.
Further, since the fluorochemical in electrolyte, electrolyte steam has stronger corrosivity, in order to avoid
Device is corroded by fluorine ion, and battery crusher, electrolyte heat drying furnace and attachment device 400 are all made of resistance to fluoride ions corrosion
Material is made；Alternatively, battery crusher, electrolyte heat drying furnace and attachment device 400 inner and outer surfaces be provided with it is resistance to
Fluorine ion corrosion material layer；Alternatively, can be steamed with lithium ion battery material, electrolyte, electrolyte in any of this recyclable device
The position of vapour contact, is respectively provided with corresponding resistance to fluoride ions corrosion material layer.
It can be seen that the processing unit of old and useless battery provided by the present embodiment, it will be waste and old first in battery crusher
Lithium ion battery is broken into battery crushing material；Then, it is easy to the characteristics of volatilizing using electrolyte in lithium ion battery, in electrolyte
Make electrolyte heating volatilization in the hot environment of heat drying furnace, and separate it with solid matter, electrolyte steam is recyclable
Or do environmental protection treatment, can be avoided electrolyte discharging of waste liquid and caused by environmental pollution, meanwhile, the solid without containing electrolyte
Substance advantageous is in the further extraction of the valuable metals such as copper cobalt nickel；The removal process of entire electrolyte is easy to operate, operating condition
It is easily achieved, is suitable for large-scale production.
Embodiment two:
Fig. 4 is the processing method flow chart of old and useless battery provided by Embodiment 2 of the present invention.
Using the processing unit of old and useless battery provided by the above embodiment, the processing method of old and useless battery is realized.Referring to figure
4, the processing method of old and useless battery mainly includes the following steps:
Step S01 inputs inert gas into battery crusher and electrolyte heat drying furnace by inert gas tube；
Waste and old lithium ion battery is broken for battery crushing material using battery crusher by step S02, and by battery crushing material
It is delivered in electrolyte heat drying furnace；
Step S03 is raised battery crushing material simultaneously by tilting lifting blade when the furnace body of electrolyte heat drying furnace rotates
Forward slip, so that battery crushing material is shed to eminence until falling after being detached from tilting lifting blade；
Step S04, during battery crushing material is slided and fallen, the electrolyte in battery crushing material passes through contact high temperature
Environment (such as 100-200 DEG C) is evaporated removal, meanwhile, the electrolyte vapors that will volatilize are discharged by exhaust pipe, and will
Material after drying is stored in splicing storage tank.
The technical effect and aforementioned device embodiment phase of method provided by the embodiment of the present invention, realization principle and generation
Together, to briefly describe, embodiment of the method part does not refer to place, can refer to corresponding contents in aforementioned device embodiment.
The embodiment of the present invention bring it is following the utility model has the advantages that
The processing unit and method of old and useless battery provided by the invention, including electrolyte heat drying furnace and it is divided into electrolysis
Battery crusher, the splicing storage tank at liquid heat drying furnace both ends are provided with heating device on the furnace body of electrolyte heat drying furnace,
Tilting lifting blade is provided on inboard wall of furnace body, electrolyte heat drying furnace is at the fixed part close to battery crusher one end
It is provided with exhaust pipe；Waste and old lithium ion battery is broken for being delivered to electrolyte heat drying after battery crushing material by battery crusher
In furnace；When drying oven rotates, tilting lifting blade raises battery crushing material and forward slip so that battery crushing material shed to
It is fallen after eminence；During the sliding of battery crushing material is fallen, electrolyte in battery crushing material by contact hot environment into
The electrolyte vapors of row evaporative removal, volatilization are discharged by exhaust pipe.The present invention by being crushed to waste and old lithium ion battery,
Heat treatment, separates electrolyte with solid matter, is conducive to recycling and harmless treatment to old and useless battery, and it is dirty to reduce environment
It contaminates, and improves the recycling rate of waterused of resource by the recycling to valuable metal.
In the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of processing unit of old and useless battery, which is characterized in that including electrolyte heat drying furnace and be divided into the electrolysis
Battery crusher, the splicing storage tank at liquid heat drying furnace both ends；
It is provided with heating device on the furnace body of the electrolyte heat drying furnace, tilting is provided on the inboard wall of furnace body and raises
Flitch, the electrolyte heat drying furnace are provided with exhaust pipe at the fixed part close to described battery crusher one end.
2. the apparatus according to claim 1, which is characterized in that the battery crusher includes the storage bin being connected and breaks
The correspondence of broken chamber, the storage bin is provided with front apron and rear baffle.
3. the apparatus according to claim 1, which is characterized in that the battery crusher and the electrolyte heat drying furnace
On be provided with inert gas tube.
4. device according to claim 3, which is characterized in that the rotating part of the electrolyte heat drying furnace and fixation
Labyrinth-type excluder is provided between part；
The labyrinth-type excluder includes the movable labyrinth ring being set on the dry furnace outer wall, the activity labyrinth ring
Outside is provided with matched fixed labyrinth ring.
5. the apparatus according to claim 1, which is characterized in that the battery crusher and the electrolyte heat drying furnace
Resistance to fluoride ions corrosion material is all made of to be made；
Alternatively, the surfaces externally and internally in the battery crusher and the electrolyte heat drying furnace is provided with resistance to fluoride ions corrosion material
The bed of material.
6. the apparatus according to claim 1, which is characterized in that the heating method that the heating device uses includes resistance wire
At least one of heating, microwave heating, high-temperature gas heating.
7. the apparatus according to claim 1, which is characterized in that including being set to below the electrolyte heat drying furnace
Support roller and driving device.
8. the apparatus according to claim 1, which is characterized in that be provided with exhaust apparatus on the exhaust pipe.
9. a kind of processing method of old and useless battery, which is characterized in that the described method includes:
Waste and old lithium ion battery is broken for by battery crushing material using battery crusher, and the battery crushing material is delivered to institute
It states in electrolyte heat drying furnace；
When the furnace body rotation of the electrolyte heat drying furnace, the battery crushing material is raised by tilting lifting blade and forward
Sliding, so that the battery crushing material is shed to eminence until falling after being detached from the tilting lifting blade；
During the battery crushing material is slided and fallen, the electrolyte in the battery crushing material passes through contact hot environment
It is evaporated removal, meanwhile, the electrolyte vapors that will volatilize are discharged by exhaust pipe, and the material after drying is stored in and is connect
Expect in storage tank.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
Inert gas is inputted into the battery crusher and the electrolyte heat drying furnace by inert gas tube.
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| CN201811349481.1A CN109244587A (en) | 2018-11-13 | 2018-11-13 | The processing unit and method of old and useless battery |
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| CN201811349481.1A CN109244587A (en) | 2018-11-13 | 2018-11-13 | The processing unit and method of old and useless battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117494A (en) * | 2020-10-09 | 2020-12-22 | 昆山聚创新能源科技有限公司 | Laminate, lamination method and application thereof |
| CN114914571A (en) * | 2022-05-31 | 2022-08-16 | 赣州赛可韦尔科技有限公司 | Waste lithium battery electrolyte rapid removal equipment |
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| CN112117494A (en) * | 2020-10-09 | 2020-12-22 | 昆山聚创新能源科技有限公司 | Laminate, lamination method and application thereof |
| CN114914571A (en) * | 2022-05-31 | 2022-08-16 | 赣州赛可韦尔科技有限公司 | Waste lithium battery electrolyte rapid removal equipment |
| CN114914571B (en) * | 2022-05-31 | 2023-09-26 | 赣州赛可韦尔科技有限公司 | Equipment for rapidly removing electrolyte of waste lithium battery |
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Application publication date: 20190118 |