CN108899602A - The separator of different magnetic metals in a kind of waste and old lithium ion battery - Google Patents
The separator of different magnetic metals in a kind of waste and old lithium ion battery Download PDFInfo
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- CN108899602A CN108899602A CN201810616824.XA CN201810616824A CN108899602A CN 108899602 A CN108899602 A CN 108899602A CN 201810616824 A CN201810616824 A CN 201810616824A CN 108899602 A CN108899602 A CN 108899602A
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- Prior art keywords
- magnetic
- lithium ion
- ion battery
- powder
- waste
- Prior art date
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- 239000002184 metal Substances 0.000 title claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 42
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 38
- 239000002699 waste material Substances 0.000 title claims abstract description 27
- 150000002739 metals Chemical class 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 41
- 239000011812 mixed powder Substances 0.000 claims abstract description 17
- 238000009792 diffusion process Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 238000006722 reduction reaction Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of separators of magnetic metals different in waste and old lithium ion battery, including high-temperature vacuum furnace and sorting module；Wherein, high-temperature vacuum furnace is used to carry out vacuumize process to by the electrode powder sieved in waste and old lithium ion battery, obtains mixed-powder to be sorted；Sorting module is for sorting mixed-powder to be sorted for magnetic metallic powder and nonmagnetic powder.Technical solution of the present invention is by carbothermic method and magnetic force-wind-force effect come the magnetic metal in separating waste, worn lithium ion battery, it is avoided that generation secondary pollution, have the characteristics that environmentally friendly, and the present apparatus is able to achieve efficiently separating for variety classes magnetic metal mixed oxide, improves the separation quantity and separative efficiency of magnetic metal.
Description
Technical field
The present invention relates to magnetic metals different in battery recycling technical field more particularly to a kind of waste and old lithium ion battery
Separator.
Background technique
As the representative of modern high-energy battery, lithium ion battery is widely used consumption since the 1990s
In electronic equipment, such as mobile phone, laptop, mobile power source etc..In recent years, with the speed that consumption electronic product updates
Degree is accelerated, and the generation of waste and old lithium ion battery is also getting faster.China has had more than 5000 different shiftings of scale within 2015
Dynamic power supply manufacturers.Root generates quantity it was predicted that will generate 52.81 ten thousand tons of waste and old lithium ion battery to the year two thousand twenty China
It will be up to 26,406,000,000.The content of metal is very huge in the waste and old lithium ion battery of such enormous amount, according to statistics,
The value of contained metal resource is about at 7708 dollars in lithium ion battery per ton, if cannot carry out to metal resource therein
Effectively recycling, it will cause the huge wasting of resources and environmental pollution.Contain a large amount of gold in the electrode material of lithium ion battery
Belong to nickel and cobalt, they are the higher magnetic metals of value, are existed in the form of composite oxides, very due to the property of cobalt and nickel
It is close, and magnetic metal is belonged to, it can not be also precisely separated after unified reduction.Therefore, to the nickel of oxidation state in lithium ion battery
It is accurately restored and is separated and recovered with cobalt, the suitable development of resource is utilized and is had great importance.
Currently, the technology of conventional process lithium ion battery electrode material be mainly biased to Chemical Leaching, precipitating, electrochemistry with
And the modes such as solvent extraction recycle rich magnetic metal, there is add a large amount of chemical reagent, generate acidic and alkaline waste water etc. for they
The patents such as disadvantage, such as the patent No. CN107293820A, CN107267759A, CN101921917A.But the prior art is not only
Using a large amount of chemical reagent and solution, a large amount of waste water is caused, and the prior art cannot efficiently separate and possess variety classes
The mixed oxide of magnetic metal.Therefore, it needs a kind of green non-pollution and efficiently restores and separate and recover lithium ion battery
The device and method of variety classes magnetic metal in electrode material.
Summary of the invention
The embodiment of the present invention proposes a kind of separator of different magnetic metals in waste and old lithium ion battery, is able to achieve difference
Type magnetic metal mixed oxide efficiently separates, and reduces the addition of chemical reagent and avoids the generation of waste water.
The embodiment of the present invention provides a kind of separator of different magnetic metals in waste and old lithium ion battery, including：Vacuum
High temperature furnace and sorting module；
Wherein, the high-temperature vacuum furnace is used to carry out taking out to the electrode powder by sieving in waste and old lithium ion battery true
Vacancy reason, obtains mixed-powder to be sorted；
The sorting module is for sorting the mixed-powder to be sorted for magnetic metallic powder and nonmagnetic powder；
The sorting module includes：Feed inlet (21), vibrating motor (22), vibration feedboard (23), live-roller (24), magnetic board
(25), material baffle brush (26), driven magnetic roller (27), blower (28), belt (210), baffle (211), magnetic metallic powder connect
Hopper (214) and nonmagnetic powder splicing groove (213)；
Wherein, the lower section of feed inlet (21) is vibration feedboard (23), and vibration feedboard (23) and vibrating motor (22) are even
It connects；
The lower section for vibrating feedboard (23) is the upper surface of transmission module；The transmission module is by live-roller (24), electromagnetism
Plate (25), driven magnetic roller (27) and belt (210) composition；Magnetic board (25) is arranged in the inside of the transmission module, and close to
The inner surface of belt (210)；
The end of the transmission module is the air outlet of blower (28), wherein wind-force direction is mutually perpendicular to transmission direction；
The lower surface of the transmission module is provided with material baffle brush (26)；
It is provided with baffle (211) above the air outlet of blower (28), one end of baffle (211) is provided with nonmagnetic powder and connects
Hopper (213)；
The end of material baffle brush (26) is provided with magnetic metallic powder splicing groove (214).
Further, the high-temperature vacuum furnace includes：Vent valve (1), prime pump valve (2), oil diffusion pump valve (3),
Alundum tube (4), charge slot (5), heat temperature raising control system (6), gas pipeline (7), compound vacuum gauge (8), gas vent
(9), fore pump (10), reflux condensation mode water inlet (11) and oil diffusion pump (12)；
Wherein, one end of alundum tube (4) is vent valve (1), and the other end is the air inlet of gas pipeline (7)；Alundum tube (4)
Charge slot (5) are inside placed with, are provided with heat temperature raising control system on the outside of the lower section of charge slot (5) and alundum tube (4)
(6)；
There are two gas outlet, two gas outlets are connected separately with prime pump valve (2) and oil diffusion for gas pipeline (7) setting
Pump valve (3)；Prime pump valve (2) is connect with fore pump (10)；Oil diffusion pump valve (3) is connect with oil diffusion pump (12)；Oil
Diffusion pump (12) is connect with reflux condensation mode water inlet (11), fore pump (10) respectively；
Compound vacuum gauge (8) is used to measure the atmospheric pressure in gas pipeline (7).
Further, the charge slot (5) includes three sub- charge slots；The heat temperature raising control system (6) includes three
A control module and three heating devices；
Three sub- charge slots respectively correspond a control module and a heating device；
The control module is used to be arranged the heating temperature of heating device.
Further, the live-roller (24), vibrating motor (22), blower (28) and magnetic board (25) are power-adjustable
Equipment.
Further, in an angle, the range of angle is 20 ° to 45 ° for the transmission module and horizontal direction shape.
Further, the sorting module is sealing system, in feed inlet (21), magnetic metallic powder splicing groove (214)
Cover board is respectively arranged with at nonmagnetic powder splicing groove (213).
Implement the embodiment of the present invention, has the advantages that：
The separator of different magnetic metals in a kind of waste and old lithium ion battery provided in an embodiment of the present invention, including vacuum
High temperature furnace and sorting module；Wherein, high-temperature vacuum furnace be used for the electrode powder by being sieved in waste and old lithium ion battery into
Row vacuumize process obtains mixed-powder to be sorted；Sorting mixed-powder sorting of the module for will be to be sorted is magnetic gold
Belong to powder and nonmagnetic powder.Using a large amount of chemical reagent and waste water, technical solution of the present invention can be generated compared with the prior art
By carbothermic method and magnetic force-wind-force effect come the magnetic metal in separating waste, worn lithium ion battery, it is avoided that generation is secondary
Pollution, has the characteristics that environmentally friendly, and the present apparatus is able to achieve efficiently separating for variety classes magnetic metal mixed oxide,
Improve the separation quantity and separative efficiency of magnetic metal.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of high-temperature vacuum furnace provided by the invention；
Fig. 2 is a kind of structural schematic diagram of embodiment of sorting module provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of separators of magnetic metals different in waste and old lithium ion battery, including：Vacuum high-temperature
Furnace and sorting module.Referring to Fig. 1 and Fig. 2, Fig. 1 is a kind of structural representation of embodiment of high-temperature vacuum furnace provided by the invention
Figure.Fig. 2 is a kind of structural schematic diagram of embodiment of sorting module provided by the invention.
In the present embodiment, high-temperature vacuum furnace is used to carry out the electrode powder by sieving in waste and old lithium ion battery
Vacuumize process obtains mixed-powder to be sorted；Sorting module is for sorting mixed-powder to be sorted for magnetic metal
Powder and nonmagnetic powder.
As shown in Figure 1, high-temperature vacuum furnace includes：Vent valve 1, oil diffusion pump valve 3, alundum tube 4, is contained prime pump valve 2
Hopper 5, heat temperature raising control system 6, gas pipeline 7, compound vacuum gauge 8, gas vent 9, fore pump 10, returned cold condensate enter
Mouth 11 and oil diffusion pump 12.Wherein, one end of alundum tube 4 is vent valve 1, and the other end is the air inlet of gas pipeline 7；Alundum tube
Charge slot 5 is placed in 4, in the lower section of charge slot 5 and the outside of alundum tube 4 is provided with heat temperature raising control system 6；Flue
There are two gas outlets for the setting of road 7, and two gas outlets are connected separately with prime pump valve 2 and oil diffusion pump valve 3；Prime pump valve
2 connect with fore pump 10；Oil diffusion pump valve 3 is connect with oil diffusion pump 12；Oil diffusion pump 12 respectively with reflux condensation mode water inlet
11, fore pump 10 connects；Compound vacuum gauge 8 is used to measure the atmospheric pressure in gas pipeline 7.
As shown in Fig. 2, sorting module includes：Feed inlet 21, vibrating motor 22, vibration feedboard 23, live-roller 24, electromagnetism
Plate 25, material baffle brush 26, driven magnetic roller 27, blower 28, belt 210, baffle 211, magnetic metallic powder splicing groove 214 and non-
Magnaglo splicing groove 213.Wherein, the lower section of feed inlet 21 is vibration feedboard 23, vibration feedboard 23 and vibrating motor 22
Connection；The lower section for vibrating feedboard 23 is the upper surface of transmission module；Transmission module is by live-roller 24, magnetic board 25, driven magnetic
Roller 27 and belt 210 form；Magnetic board 25 is arranged in the inside of transmission module, and close to the inner surface of belt 210.Transmission module
End be blower 28 air outlet, wherein wind-force direction is mutually perpendicular to transmission direction；The lower surface of transmission module is provided with
Material baffle brush 26.It is provided with baffle 211 above the air outlet of blower 28, one end of baffle 211 is provided with nonmagnetic powder and connects
Hopper 213.The end of material baffle brush 26 is provided with magnetic metallic powder splicing groove (214).In the present embodiment, vibration charging
The upper surface of plate 23 can be, but not limited to the fold or irregular fold that are provided with wavy fold, rule.
In the present embodiment, charge slot 5 includes three sub- charge slots；Heat temperature raising control system 6 includes three control moulds
Block and three heating devices；Three sub- charge slots respectively correspond a control module and a heating device；Control module is used for
The heating temperature of heating device is set.Three heating temperatures can be independently arranged, and can not only improve treatment effeciency, and avoid three kinds
The mutual infection of different magnetic metals.
In the present embodiment, live-roller 24, vibrating motor 22, blower 28 and magnetic board 25 are the equipment of power-adjustable, with
It is conveniently adjusted best sorting parameter, to reach best separating effect.
In the present embodiment, in an angle, the range of angle is 20 ° to 45 ° for transmission module and horizontal direction shape, so as to
In being concentrated nonmagnetic powder to the side of non-magnetic material collecting tank 213 with blower 28, the intersection that can also reduce material is dirty
Dye.
In the present embodiment, sorting module is sealing system, in feed inlet 21, magnetic metallic powder splicing groove 214 and non-
It is respectively arranged with cover board at Magnaglo splicing groove 213, prevents dust pollution.
The working principle of separator in order to better illustrate the present invention, below to be mixed with the lithium-ion electric of nickel, cobalt, iron
Pond is example, and concrete operation step is as follows：
(1) charge slot 5 is added in the electrode powder of lithium ion battery and is placed in the heating zone of high-temperature vacuum furnace alundum tube 4
Between in, close vent valve 1, open fore pump 10, reflux condensation mode water inlet 11 and oil diffusion pump 12, and open prime pump valve 2,
To being vacuumized in furnace chamber, when vacuum meter 8 to be composite shows that vacuum pressure is less than 10Pa, prime pump valve 2 is closed, opens oil
Pump valve 3 is spread, to carrying out vacuumize process in furnace chamber under the collective effect of oil diffusion pump 12 and fore pump 10；
(2) the temperature and time parameter for setting heat temperature raising control system 6, starts to the lithium ion battery in alundum tube 4
Electrode material carries out heating in vacuum reduction；
(3) end to be heated closes diffusion pump valve 3 and closes oil diffusion pump, 11 condensate returns is kept to run prime
Fore pump 10 is closed after oil cooling in pump 10 to oil diffusion pump 12, after material in furnace is cooling, obtains mixed powder to be sorted
End；
(4) vibrating motor 22, live-roller 24, magnetic board 25 and the blower 28 in sorting module are opened, to be sorted is mixed
It closes powder to be added in sorting module by feed inlet 21, powder is equably layered on belt under the action of vibrating feedboard 23
It on 210, and is inhaled by magnetic board 25 and is sent to driven magnetic roller 27 on belt 210, and by belt 210, in driven magnetic roller 27, mixed
Powder is closed by the wind-force effect from blower 28, collective effect of the nonmagnetic powder in the wind-force effect and gravity in direction 212
Under leave driven magnetic roller 27, and eventually fall into non magnetic splicing groove 213, while Magnaglo is made in the magnetic force of driven magnetic roller 27
Continue to stay on belt under, turns to and leave driven magnetic roller 27 and fall to magnetic material splicing groove 214 to magneticaction is lost
In, the effect of material baffle brush 26 mainly will attract the Magnaglo stayed on belt to scrape by magnetic board 25, to fall
In magnetic material splicing groove 214.
It is free by carbothermic reduction reaction gibbs due to including three kinds of magnetic metals in the lithium ion battery in this example
It can calculate and learn temperature of the magnetic metal needed for reduction reaction, respectively：
First warm area：500 DEG C≤T≤550 DEG C, to restore the Ni in mixed-powder2+；
Second warm area：600 DEG C≤T≤1000 DEG C, to restore the Co in mixed-powder2+；
Third warm area：1000 DEG C≤T, to restore the Fe in mixed-powder3+。
Nonmagnetic powder after this separator can sort first time is placed into high-temperature vacuum furnace, the second temperature of setting
Area, and second of magnetic metal is obtained after repeating aforesaid operations, it repeats identical operation and obtains the third magnetic metal, but be
Saving the energy as far as possible and carrying out reduction reaction more thoroughly, using three warm areas in vacuum drying oven temperature setting successively
For：1200 DEG C of reduction of first 550 DEG C of warm area nickel, the 700 DEG C of cobalt reduction of the second warm area, third warm area iron reduction.It at the same time, can be with
It is run simultaneously using three different sorting modules, forms assembly line, increase treatment effeciency.In addition, for carbothermic reduction reaction
More sufficiently, set temperature can be slightly larger than the first temperature, such as 5 to 50 DEG C big.
The magnetic metal to be recycled in the present embodiment is the magnetism gold since under the state of oxidation, under the state of oxidation
Category does not have magnetism, using the graphitic carbon in lithium ion battery as reducing agent, by the magnetic metal of oxidation state in electrode powder
It is reduced into metal simple-substance, to have magnetism, the compound method for separating of wind-force and magnetic force is recycled to be screened.In the present embodiment
In, separator of the invention can be, but not limited to be separated for the magnetic metal particle that granular size is 2-20um.
Therefore the separation of different magnetic metals fills in a kind of waste and old lithium ion battery provided in an embodiment of the present invention
It sets, including high-temperature vacuum furnace and sorting module；Wherein, high-temperature vacuum furnace is used to obtain to by sieving in waste and old lithium ion battery
Electrode powder carries out vacuumize process, obtains mixed-powder to be sorted；Mixed-powder of the module for will be to be sorted is sorted to divide
It is selected as magnetic metallic powder and nonmagnetic powder.Using a large amount of chemical reagent and waste water, this hair can be generated compared with the prior art
Bright technical solution, come the magnetic metal in separating waste, worn lithium ion battery, can be kept away by carbothermic method and magnetic force-wind-force effect
Exempt to generate secondary pollution, have the characteristics that environmentally friendly, and the present apparatus is able to achieve variety classes magnetic metal mixed oxide
Efficiently separate, improve the separation quantity and separative efficiency of magnetic metal.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. the separator of different magnetic metals in a kind of waste and old lithium ion battery, which is characterized in that including：High-temperature vacuum furnace and
Sort module；
Wherein, the high-temperature vacuum furnace for the electrode powder by sieving in waste and old lithium ion battery is vacuumized,
Heat treatment, obtains mixed-powder to be sorted；
The sorting module is for sorting the mixed-powder to be sorted for magnetic metallic powder and nonmagnetic powder；It is described
Sorting module includes：Feed inlet (21), vibrating motor (22), vibration feedboard (23), live-roller (24), magnetic board (25), object
Expect baffle brush (26), driven magnetic roller (27), blower (28), belt (210), baffle (211), magnetic metallic powder splicing groove
(214) and nonmagnetic powder splicing groove (213)；
Wherein, the lower section of feed inlet (21) is vibration feedboard (23), and vibration feedboard (23) is connect with vibrating motor (22)；
The lower section for vibrating feedboard (23) is the upper surface of transmission module；The transmission module is by live-roller (24), magnetic board
(25), driven magnetic roller (27) and belt (210) composition；Magnetic board (25) is arranged in the inside of the transmission module, and close to skin
The inner surface of band (210)；
The end of the transmission module is the air outlet of blower (28), wherein wind-force direction is mutually perpendicular to transmission direction；It is described
The lower surface of transmission module is provided with material baffle brush (26)；
It is provided with baffle (211) above the air outlet of blower (28), one end of baffle (211) is provided with nonmagnetic powder splicing groove
(213)；
The end of material baffle brush (26) is provided with magnetic metallic powder splicing groove (214).
2. the separator of different magnetic metals in waste and old lithium ion battery according to claim 1, which is characterized in that institute
Stating high-temperature vacuum furnace includes：Vent valve (1), prime pump valve (2), oil diffusion pump valve (3), alundum tube (4), charge slot (5),
Heat temperature raising control system (6), gas pipeline (7), compound vacuum gauge (8), gas vent (9), fore pump (10), reflux condensation mode
Water inlet (11) and oil diffusion pump (12)；
Wherein, one end of alundum tube (4) is vent valve (1), and the other end is the air inlet of gas pipeline (7)；It is put in alundum tube (4)
Charge slot (5) are equipped with, are provided with heat temperature raising control system (6) on the outside of the lower section of charge slot (5) and alundum tube (4)；
There are two gas outlets for gas pipeline (7) setting, and two gas outlets are connected separately with prime pump valve (2) and oil diffusion pump valve
Door (3)；Prime pump valve (2) is connect with fore pump (10)；Oil diffusion pump valve (3) is connect with oil diffusion pump (12)；Oil diffusion
Pump (12) is connect with reflux condensation mode water inlet (11), fore pump (10) respectively；
Compound vacuum gauge (8) is used to measure the atmospheric pressure in gas pipeline (7).
3. the separator of different magnetic metals in waste and old lithium ion battery according to claim 2, which is characterized in that institute
Stating charge slot (5) includes three sub- charge slots；The heat temperature raising control system (6) includes three control modules and three heating
Device；
Three sub- charge slots respectively correspond a control module and a heating device；
The control module is used to be arranged the heating temperature of heating device.
4. the separator of different magnetic metals in waste and old lithium ion battery according to claim 1, which is characterized in that institute
State the equipment that live-roller (24), vibrating motor (22), blower (28) and magnetic board (25) are power-adjustable.
5. the separator of different magnetic metals in waste and old lithium ion battery according to claim 1, which is characterized in that institute
State transmission module and horizontal direction shape in an angle, the range of angle is 15 ° to 30 °.
6. the separator of different magnetic metals in waste and old lithium ion battery according to claim 1, which is characterized in that institute
Stating sorting module is sealing system, in feed inlet (21), magnetic metallic powder splicing groove (214) and nonmagnetic powder splicing groove
(213) cover board is respectively arranged at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616824.XA CN108899602A (en) | 2018-06-14 | 2018-06-14 | The separator of different magnetic metals in a kind of waste and old lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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