CN109216721B - Waste power lithium battery recovery method - Google Patents

Waste power lithium battery recovery method Download PDF

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Publication number
CN109216721B
CN109216721B CN201811103327.6A CN201811103327A CN109216721B CN 109216721 B CN109216721 B CN 109216721B CN 201811103327 A CN201811103327 A CN 201811103327A CN 109216721 B CN109216721 B CN 109216721B
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fixedly connected
motor
homogenizing
guide pipe
eddy current
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CN109216721A (en
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王志强
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Yantai Jinkun New Material Technology Co., Ltd
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Yantai Jinkun New Material Technology Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/54Reclaiming serviceable parts of waste accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00Primary cells; Manufacture thereof
    • H01M6/52Reclaiming serviceable parts of waste cells or batteries, e.g. recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to the technical field of lithium battery recovery, in particular to a method for recovering waste power lithium batteries, which comprises the following steps: s1, electrifying the waste power lithium battery, and releasing the residual electric quantity in the lithium battery; s2, putting the lithium battery treated in the step S1 into lithium battery comprehensive treatment equipment for crushing and sorting; and S3, classifying and storing the different materials separated in the step S2, and respectively recovering the different materials. The method ensures the recovery safety by releasing the electric quantity of the lithium battery, and meanwhile, the comprehensive lithium battery treatment equipment designed by the inventor can realize high-efficiency separation of the lithium battery, thereby improving the recovery efficiency of the lithium battery.

Description

Waste power lithium battery recovery method
Technical Field
The invention relates to the technical field of lithium battery recovery, in particular to a method for recovering waste power lithium batteries.
Background
The lithium ion power battery is a novel high-energy battery successfully developed in the 20 th century, the cathode of the battery is metal lithium, the anode of the battery is MnO2 or SOC L2 and the like, the battery is put into practical use in the 70 th era, and the lithium ion power battery is widely applied to military and civil small-sized electrical appliances because of the advantages of high energy, high battery voltage, wide working temperature range, long storage life and the like, the lithium ion power battery partially replaces the traditional battery in mobile phones, portable computers, video cameras, cameras and the like, the large-capacity lithium ion battery is tried in electric automobiles, becomes one of main power sources of the electric automobiles in the 21 st century, and is applied to artificial satellites, aerospace and energy storage.
Present electric core material retrieves sorting facilities, when carrying out the eddy current to electric core crushing material and select separately, because of the material of an input magnetic field is too much easily or because the grinding rolls, lead to electrode material and membrane material laminating to influence the eddy current and select separately the effect together, lead to the lower subsequent use of influence of material quality of selecting separately to electric material after selecting separately is because comparatively tiny, and partly adsorbs on the surface of guide plate body easily, is difficult to take out and causes certain loss.
Disclosure of Invention
The invention aims to solve the problems and provide a method for recycling waste power lithium batteries, which ensures the recycling safety by releasing the electric quantity of the lithium batteries, and can realize high-efficiency separation of the lithium batteries and improve the recycling efficiency of the lithium batteries by adopting the comprehensive lithium battery treatment equipment designed by the inventor.
The invention realizes the aim through the following technical scheme, and a waste power lithium battery recovery method comprises the following steps:
s1, electrifying the waste power lithium battery, and releasing the residual electric quantity in the lithium battery;
s2, putting the lithium battery treated in the step S1 into lithium battery comprehensive treatment equipment for crushing and sorting;
s3, classifying and storing the different materials separated in S2, and respectively recovering;
the lithium battery comprehensive treatment equipment adopted in the method comprises a crushing mechanism, a feeding mechanism, an eddy current sorting mechanism and a magnetic separation mechanism;
the crushing mechanism comprises a pillar, a grid sieve plate, a first driving gear, a second driving gear, a chain, a chopping motor, a chopping shell, a chopping roller, a grinding roller, a material guide pipe and a waste material box, wherein the top side wall of the inner cavity of the chopping shell is rotatably connected with two ends of the chopping roller, one end of the chopping roller is slidably penetrated through one side wall of the chopping shell and extends to the outside of the chopping shell, the chopping roller is fixedly connected with the output end of the chopping motor at the outer end of the chopping shell, the chopping motor is fixedly connected with the outside of the chopping shell, the bottom end of the chopping shell is fixedly connected with the top of the material guide pipe, the material guide pipe is communicated with the bottom end of the chopping shell, the grinding roller is rotatably connected with the top end of the inner cavity of the material guide pipe, the number of the grinding roller is two, and one end of the grinding roller is slidably penetrated through the side wall, the grinding roller is fixedly connected with a first driving gear at one end outside the material guide pipe, the first driving gear is meshed with the inner side of the chain, the other end of the chain is meshed and sleeved on the outer side of a second driving gear, the second driving gear is fixedly connected to the output end of the grinding motor, the grinding motor is fixedly connected to the outer side of the material guide pipe, the bottom end of the inner cavity of the material guide pipe is fixedly connected with a grid sieve tray, an opening is formed in the side wall of the material guide pipe on one side of the grid sieve tray, a waste material box is fixedly connected to the bottom of the outer side of the material guide pipe, the waste material box is communicated with the inner cavity of the material guide pipe through the opening, one side of the bottom end of the material guide pipe is;
the material feeding mechanism comprises a conveyor belt, a material homogenizing groove box, a material homogenizing rotary disc and a material homogenizing motor, the other end of the conveyor belt is communicated with one side of the material homogenizing groove box, the bottom surface of the middle part of the material homogenizing groove box is rotatably connected with the bottom of the material homogenizing rotary disc, the bottom end of the material homogenizing rotary disc is fixedly connected with the output end of the material homogenizing motor, the material homogenizing motor is fixedly connected to the middle part of the bottom end of the material homogenizing groove box, the output end of the material homogenizing motor penetrates through the bottom surface of the material homogenizing groove box in a sliding mode, and the other side of the material homogenizing groove box is fixedly connected to one side of the top;
the eddy current sorting mechanism comprises a slide bar, an eddy current sorting frame, a sliding chute, a vibrating motor, a screen plate, a permanent magnet, a spring and a vibrating chute, vibration grooves are arranged on two sides of the top end of the eddy current sorting frame, two ends of the screen plate respectively penetrate through the vibration grooves on the two sides, two ends of the connecting part of the screen plate and the vibration groove are elastically connected to the inner side of the vibration groove through springs, the screen plate is fixedly connected with a vibrating motor on the top end surface of one side outside the eddy current sorting frame, sliding grooves are formed in the middle parts of two sides of the top end of the eddy current sorting frame, the inner side of the sliding chute is connected with the middle part of the sliding rod in a sliding way, one end of the sliding rod, which is positioned at the inner side of the top end of the eddy current sorting frame, is fixedly connected with one end of the brush plate, the middle part of the top end surface of the eddy current sorting frame is fixedly connected with a partition plate, and a permanent magnet block is fixedly connected to the bottom end of one side of the inner cavity of the bottom of the eddy current sorting frame, which is close to the material homogenizing groove box;
the magnetic separation mechanism comprises a plastic film material recovery box, a separation motor, a separation shell, a rotary table, a belt, an electrode material recovery box and a permanent magnet roller, wherein the plastic film material recovery box is fixedly connected to the bottom of the other side of the eddy current separation rack, one side of the plastic film material recovery box is fixedly connected with the electrode material recovery box, the top end of the electrode material recovery box is lapped and separated from the shell, one side of the separation shell is rotatably connected with the permanent magnet roller, one end of the permanent magnet roller slides through the side wall of the separation shell and extends into the inner cavity of the separation shell, one end of the permanent magnet roller is fixedly connected with one side of the rotary table in the inner cavity of the separation shell, the number of the permanent magnet rollers is three, one of the permanent magnet rollers is positioned at the middle part, the output end of the other side of the rotary table, the sorting motor is fixedly connected in the inner cavity of the sorting shell.
Specifically, a plurality of grids are arranged on the surface of the grid sieve tray, and the grid sieve tray is obliquely and fixedly connected with the inner cavity of the material guide pipe at an angle of thirty degrees.
Specifically, the number of shredding rollers is two, and a plurality of shredding blades are uniformly distributed on the surfaces of the two shredding rollers, and one sides of the two shredding rollers are meshed with each other.
Specifically, the conveyer belt comprises drive roller, motor, drive belt and limiting plate, the bottom both sides of limiting plate are rotated and are connected the drive roller, one of them one side fixed connection motor's of drive roller output, motor fixed connection is in the outside of limiting plate.
Specifically, the edge of the material homogenizing turntable is fixedly connected with a plurality of arc-shaped pieces, and the width of the material homogenizing turntable is consistent with the width of an inner cavity of the material homogenizing groove box.
Specifically, the permanent magnets are uniformly distributed at the bottom of one end of the eddy current sorting frame, and the permanent magnets and the screen plate are on the same vertical line.
Specifically, the brush plates are symmetrically distributed at the top end of the eddy current sorting frame, and the bottom ends of the brush plates are connected with sponge blocks in an adhesion mode.
The invention has the beneficial effects that:
(1) the lithium battery comprehensive treatment equipment adopted in the method is characterized in that a material homogenizing turntable is rotatably connected to the middle of a material homogenizing groove box, a material homogenizing motor drives the material homogenizing turntable to rotate, an input eddy current separation frame with uniform material recovery of an electric core passing through the material homogenizing groove box is ensured, incomplete separation caused by excessive material input into the eddy current separation frame at one time is prevented, subsequent recovery and use are influenced, a screen plate is arranged at the top end of one side of the eddy current separation frame, the screen plate is driven to vibrate by a vibration motor, uniform magnetic field passing of the recovered material input into the eddy current separation frame is ensured, different materials are prevented from being attached together, eddy current separation failure is caused, the separation and recovery effect of electric materials is influenced, and raw materials with different material components in the electric core are separated to the maximum extent.
(2) The lithium battery comprehensive treatment equipment comprises a slide bar, a brush plate, a grid sieve plate, a waste material box and a material storage box, wherein the slide bar is arranged on two sides of an eddy current sorting frame, the slide bar slides in the slide groove, the brush plate is driven to brush out electric core recovery materials adsorbed on the surface of the eddy current sorting frame, material loss and waste caused by the fact that a large amount of materials are adsorbed on the surface of the eddy current sorting frame in the sorting process are prevented, the recoverable raw materials in the electric cores are extracted to the maximum extent, the grid sieve plate is arranged at the bottom end of an inner cavity of a material guide pipe, the electric core materials which are not ground and cut thoroughly are poured into the waste material box from an input end through the grid.
Drawings
FIG. 1 is a schematic structural diagram of a lithium battery comprehensive treatment device used in the method;
FIG. 2 is a schematic top view of an eddy current sorting rack according to the present invention;
FIG. 3 is a schematic view of the connection structure of the material homogenizing turntable and the material homogenizing groove box.
In the figure: 1. pillar, 2, grid sieve plate, 3, grinding motor, 4, chain, 5, chopping motor, 6, chopping shell, 7, chopping roller, 8, grinding roller, 9, driving gear I, 10, guide pipe, 11, waste material box, 12, conveyor belt, 13, homogenizing trough box, 14, homogenizing rotary disc, 15, homogenizing motor, 16, slide bar, 17, eddy current sorting rack, 18, chute, 19, plastic film material recycling box, 20, vibrating motor, 21, screen plate, 22, permanent magnet block, 23, spring, 24, vibrating trough, 25, sorting motor, 26, sorting shell, 27, brush plate, 28, rotary disc, 29, belt, 30, electrode material recycling box, 31, permanent magnet roller, 32, partition plate, 33 and driving gear II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a method for recycling waste lithium batteries includes the following steps:
s1, electrifying the waste power lithium battery, and releasing the residual electric quantity in the lithium battery;
s2, putting the lithium battery treated in the step S1 into lithium battery comprehensive treatment equipment for crushing and sorting;
s3, classifying and storing the different materials separated in S2, and respectively recovering;
the lithium battery comprehensive treatment equipment adopted in the method comprises a crushing mechanism, a feeding mechanism, an eddy current sorting mechanism and a magnetic separation mechanism;
the crushing mechanism comprises a pillar 1, a grid sieve plate 2, a first driving gear 9, a second driving gear 33, a chain 4, a chopping motor 5, a chopping shell 6, a chopping roller 7, a grinding roller 8, a guide pipe 10 and a waste box 11, wherein the top side wall of the inner cavity of the chopping shell 6 is rotatably connected with the two ends of the chopping roller 7, one end of the chopping roller 7 slides through the side wall of one side of the chopping shell 6 and extends to the outside of the chopping shell 6, the chopping roller 7 is fixedly connected with the output end of the chopping motor 5 at the outer end of the chopping shell 6, the chopping motor 5 is fixedly connected with the outside of the chopping shell 6 to realize the chopping function of the electric core material, the bottom end of the chopping shell 6 is fixedly connected with the top of the guide pipe 10, the bottom end of the chopping shell 6 is communicated with the guide pipe 10, the top end of the inner cavity of the guide pipe 10 is rotatably connected with, the number of the grinding rollers 8 is two, one end of each of the two grinding rollers 8 slidably penetrates through the side wall of the material guide pipe 10 and extends to the outside of the material guide pipe 10, one end of each of the grinding rollers 8 outside the material guide pipe 10 is fixedly connected with a first driving gear 9, so that the grinding function of the battery cell material is realized, the first driving gear 9 is meshed with the inner side of the chain 4, the other end of the chain 4 is meshed and sleeved on the outer side of a second driving gear 33, the second driving gear 33 is fixedly connected to the output end of the grinding motor 3, the grinding motor 3 is fixedly connected to the outer side of the material guide pipe 10, the bottom end of the inner cavity of the material guide pipe 10 is fixedly connected with the grid sieve tray 2, so that large block materials are prevented from entering subsequent steps, an opening is formed in the side wall of the material guide pipe 10 on one side of the grid sieve tray 2, the bottom of the outer side of the, one side of the bottom end of the material guide pipe 10 is fixedly connected with the top end of the pillar 1, and the bottom end of the material guide pipe 10 is fixedly connected with the top of one end of the conveyor belt 12;
the feeding mechanism comprises a conveyor belt 12, a homogenizing groove box 13, a homogenizing rotary table 14 and a homogenizing motor 15, the other end of the conveyor belt 12 is communicated with one side of the homogenizing groove box 13, the bottom surface of the middle part of the homogenizing groove box 13 is rotatably connected with the bottom of the homogenizing rotary table 14, the bottom end of the homogenizing rotary table 14 is fixedly connected with the output end of the homogenizing motor 15, the homogenizing motor 15 is fixedly connected with the middle part of the bottom end of the homogenizing groove box 13, the output end of the homogenizing motor 15 penetrates through the bottom surface of the homogenizing groove box 13 in a sliding mode, the other side of the homogenizing groove box 13 is fixedly connected with one side of the top end of an eddy current sorting frame 17, and the function of uniformly outputting the cell materials is achieved;
the eddy current sorting mechanism comprises a sliding rod 16, an eddy current sorting frame 17, sliding grooves 18, a vibrating motor 20, a screen plate 21, permanent magnets 22, springs 23 and vibrating grooves 24, the vibrating grooves 24 are formed in two sides of the top end of the eddy current sorting frame 17, two ends of the screen plate 21 penetrate through the vibrating grooves 24 in two sides respectively, two ends of a connecting part of the screen plate 21 and the vibrating grooves 24 are elastically connected to the inner side of the vibrating grooves 24 through the springs 23, the vibrating motor 20 is fixedly connected to the surface of the top end of one side, outside the eddy current sorting frame 17, of the screen plate 21, the sliding grooves 18 are formed in the middle of two sides of the top end of the eddy current sorting frame 17, the inner side of each sliding groove 18 is connected to the middle of the sliding rod 16 in a sliding mode, one end, inside the top end of the eddy current sorting frame 17, of the sliding rod 16 is fixedly, the bottom end of one side of the bottom inner cavity of the eddy current sorting frame 17 close to the equalizing groove box 13 is fixedly connected with a permanent magnet 22 for separating electrode materials and membrane materials;
the magnetic separation mechanism comprises a plastic film material recovery box 19, a separation motor 25, a separation shell 26, a rotary table 28, a belt 29, an electrode material recovery box 30 and a permanent magnet roller 31, the plastic film material recovery box 19 is fixedly connected to the bottom of the other side of the eddy current separation rack 17, one side of the plastic film material recovery box 19 is fixedly connected with the electrode material recovery box 30, the electrode material recovery box 30 is lapped on the top end of the separation shell 26, one side of the separation shell 26 is rotatably connected with the permanent magnet roller 31, one end of the permanent magnet roller 31 penetrates through the side wall of the separation shell 26 in a sliding manner and extends into the inner cavity of the separation shell 26, one end of the permanent magnet roller 31 in the inner cavity of the separation shell 26 is fixedly connected with one side of the rotary table 28, the number of the permanent magnet rollers 31 is three, one of the permanent magnet rollers is positioned in the middle part, and the other side of, the three rotating discs 28 are in transmission connection through a belt 29, and the sorting motor 25 is fixedly connected in the inner cavity of the sorting shell 26.
The surface of the grid sieve tray 2 is provided with a plurality of grids, and the grid sieve tray 2 is obliquely and fixedly connected with the inner cavity of the material guide pipe 10 at an angle of thirty degrees, so that a large block of battery cell material can be taken out conveniently; the number of the chopping rollers 7 is two, a plurality of chopping blades are uniformly distributed on the surfaces of the two chopping rollers 7, and one sides of the two chopping rollers 7 are mutually meshed, so that the chopping function of the battery cell material is realized; the conveying belt 12 is composed of driving rollers, motors, a conveying belt and limiting plates, wherein the two sides of the bottom end of each limiting plate are rotatably connected with the driving rollers, one side of one driving roller is fixedly connected with the output end of the motor, and the motor is fixedly connected to the outer side of the limiting plate and used for conveying materials; the edge of the material homogenizing turntable 14 is fixedly connected with a plurality of arc-shaped pieces, and the width of the material homogenizing turntable 14 is consistent with that of the inner cavity of the material homogenizing groove box 13, so that materials can be output uniformly; permanent magnetism piece 22 evenly distributed is in eddy current sorting rack 17's one end bottom, and permanent magnetism piece 22 and otter board 21 on same vertical line, realizes the function that the electric eddy current was selected separately, brush board 27 symmetric distribution is on eddy current sorting rack 17's top, the bottom bonding of brush board 27 has the sponge piece, realizes brushing except that eddy current sorting rack 17 surface adsorption's material.
When the invention is used, firstly, the waste lithium battery is electrically put into the shredding shell 6, the shredding roller 7 is driven to rotate by opening the shredding motor 5, the battery cell materials are classified and crushed by the shredding roller 7, the crushed battery cell materials enter the inner cavity of the material guide pipe 10 through the shredding shell 6, the second driving gear 33 is driven to rotate by opening the grinding motor 3, the first driving gear 9 is driven to rotate, thereby the grinding roller 8 is driven to rotate, the crushed battery cell materials are ground by the grinding roller 8, the ground powder falls into the top end surface of one side of the conveyor belt 12 through the mesh sieve plate 2, the electrical materials which are not completely ground and are faster by screening of the mesh sieve plate 2 fall into the waste material box 11 through the mesh sieve plate 2, for subsequent centralized treatment, the battery cell material powder is guided into the material homogenizing rotary trough box 13 by opening the conveyor belt 12, the homogenizing rotary table 14 is driven to rotate by driving the homogenizing motor 15, the electric material powder in the material homogenizing groove box 13 is uniformly input into the screen plate 21 at one end of the eddy current sorting frame 17, the screen plate 21 is driven to vibrate by turning on the vibration motor 20, so that the electric core material powder uniformly falls into the screen plate, in a magnetic field generated by the permanent magnet 22, the electrode material in the electric core material powder changes the movement direction by the magnetic force generated by the permanent magnet 22 so as to be separated, the film material in the electric core material falls into one side of the partition plate 32 and slides into the plastic film material recycling box 19, and the electrode material falls into the other side of the partition plate 32 and slides into the electrode material recycling box 30;
the accessible slides the brush body 27 of the eddy current sorting frame 17 top both sides in the slide bar 16 of spout 18, will attach to the electrode material and the membrane material on eddy current sorting frame 17 top surface and push the bottom of eddy current sorting frame 17 through the sponge piece of brush body 27 bottom, can slide bar 16 to the flexion of spout 18 both sides in, prevent that the brush body from influencing normal eddy current sorting frame 17's guide function, before electrode material gets into electrode material and retrieves box 30, it is rotatory to open motor separation motor 25, thereby it is rotatory to drive three permanent magnet roller 31, anodal material in the motor material is adsorbed on the surface by permanent magnet roller 31 when passing through permanent magnet roller 31, cathode material then falls into electrode material and retrieves box 30, the accessible takes off whole separation shell 26 and draws the anodal material on permanent magnet roller 31 surface, realize the sorting of whole electric core material.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A waste power lithium battery recovery method is characterized by comprising the following steps:
s1, electrifying the waste power lithium battery, and releasing the residual electric quantity in the lithium battery;
s2, putting the lithium battery treated in the step S1 into lithium battery comprehensive treatment equipment for crushing and sorting;
s3, classifying and storing the different materials separated in S2, and respectively recovering;
the lithium battery comprehensive treatment equipment adopted in the method comprises a crushing mechanism, a feeding mechanism, an eddy current sorting mechanism and a magnetic separation mechanism; the crushing mechanism comprises a support column (1), a grid sieve plate (2), a first driving gear (9), a second driving gear (33), a chain (4), a crushing motor (5), a crushing shell (6), a crushing roller (7), a grinding roller (8), a material guide pipe (10) and a waste material box (11), wherein the top side wall of the inner cavity of the crushing shell (6) rotates to connect the two ends of the crushing roller (7), one end of the crushing roller (7) slides to penetrate through the side wall of one side of the crushing shell (6) and extends to the outside of the crushing shell (6), the end of the crushing roller (7) outside the crushing shell (6) is fixedly connected with the output end of the crushing motor (5), the crushing motor (5) is fixedly connected to the outside of the crushing shell (6), the bottom end of the crushing shell (6) is fixedly connected to the top of the material guide pipe (10), the bottom of the chopping shell (6) is communicated with the material guide pipe (10), the top end of the inner cavity of the material guide pipe (10) is rotatably connected with the grinding rollers (8), the number of the grinding rollers (8) is two, one end of each grinding roller (8) penetrates through the side wall of the material guide pipe (10) in a sliding manner and extends to the outside of the material guide pipe (10), one end of each grinding roller (8) outside the material guide pipe (10) is fixedly connected with a first driving gear (9), the first driving gear (9) is meshed with the inner side of the connecting chain (4), the other end of the chain (4) is meshed with the outer side of a second driving gear (33), the second driving gear (33) is fixedly connected to the output end of the grinding motor (3), the grinding motor (3) is fixedly connected to the outer side of the material guide pipe (10), the bottom end of the inner cavity of the material guide pipe (10) is fixedly connected with the grid, an opening is formed in the side wall of a material guide pipe (10) on one side of the grid screen tray (2), the bottom of the outer side of the material guide pipe (10) is fixedly connected with a waste material box (11), the waste material box (11) is communicated with the inner cavity of the material guide pipe (10) through the opening, one side of the bottom end of the material guide pipe (10) is fixedly connected with the top end of a support column (1), and the bottom end of the material guide pipe (10) is fixedly connected with the top of one end of a conveyor belt (12);
the feeding mechanism comprises a conveyor belt (12), a homogenizing groove box (13), a homogenizing rotary table (14) and a homogenizing motor (15), the other end of the conveyor belt (12) is communicated with one side of the homogenizing groove box (13), the bottom surface of the middle of the homogenizing groove box (13) is rotatably connected with the bottom of the homogenizing rotary table (14), the bottom end of the homogenizing rotary table (14) is fixedly connected with the output end of the homogenizing motor (15), the homogenizing motor (15) is fixedly connected with the middle of the bottom end of the homogenizing groove box (13), the output end of the homogenizing motor (15) penetrates through the bottom surface of the homogenizing groove box (13) in a sliding mode, and the other side of the homogenizing groove box (13) is fixedly connected to one side of the top end of the eddy current sorting frame (17);
the eddy current sorting mechanism comprises a sliding rod (16), an eddy current sorting frame (17), sliding grooves (18), a vibrating motor (20), a screen plate (21), permanent magnets (22), springs (23) and vibrating grooves (24), wherein the vibrating grooves (24) are formed in two sides of the top end of the eddy current sorting frame (17), the two ends of the screen plate (21) penetrate through the vibrating grooves (24) on two sides respectively, two ends of a connecting part of the screen plate (21) and the vibrating grooves (24) are elastically connected to the inner side of the vibrating grooves (24) through the springs (23), the vibrating motor (20) is fixedly connected to the surface of the top end of one side, outside the eddy current sorting frame (17), of the screen plate (21), the sliding grooves (18) are formed in the middle parts of two sides of the top end of the eddy current sorting frame (17), the sliding rod (18) is in sliding connection with the middle part of the sliding rod (16), one end, inside the top end of the sliding rod (16) of the eddy current sorting frame, the middle part of the top end surface of the eddy current sorting frame (17) is fixedly connected with a partition plate (32), and the bottom end of one side of the inner cavity of the bottom of the eddy current sorting frame (17), which is close to the equalizing groove box (13), is fixedly connected with a permanent magnet block (22);
the magnetic separation mechanism comprises a plastic film material recovery box (19), a separation motor (25), a separation shell (26), a turntable (28), a belt (29), an electrode material recovery box (30) and a permanent magnet roller (31), wherein the plastic film material recovery box (19) is fixedly connected to the bottom of the other side of the eddy current separation rack (17), the plastic film material recovery box (30) is fixedly connected to one side of the plastic film material recovery box (19), the electrode material recovery box (30) is lapped on the top end of the separation shell (30), one side of the separation shell (26) is rotatably connected with the permanent magnet roller (31), one end of the permanent magnet roller (31) slides through the side wall of the separation shell (26) and extends into the inner cavity of the separation shell (26), and one end of the permanent magnet roller (31) in the inner cavity of the separation shell (26) is fixedly connected to one side of the turntable (28), the number of permanent magnetism running roller (31) is three, and one of them is located the middle part the opposite side fixed connection of carousel (28) that permanent magnetism running roller (31) are connected selects separately the output of motor (25), and is three carousel (28) pass through belt (29) transmission and connect, select separately motor (25) fixed connection in the inner chamber of selecting separately shell (26).
2. The method for recycling waste power lithium batteries according to claim 1, characterized in that: the surface of the grid sieve tray (2) is provided with a plurality of grids, and the grid sieve tray (2) is inclined at an angle of thirty degrees and is fixedly connected with the inner cavity of the material guide pipe (10).
3. The method for recycling waste power lithium batteries according to claim 1, characterized in that: the number of the chopping rollers (7) is two, a plurality of chopping blades are uniformly distributed on the surfaces of the two chopping rollers (7), and one sides of the two chopping rollers (7) are mutually meshed.
4. The method for recycling waste power lithium batteries according to claim 1, characterized in that: conveyer belt (12) comprise drive roller, motor, drive belt and limiting plate, the bottom both sides of limiting plate are rotated and are connected the drive roller, one of them one side fixed connection motor's of drive roller output, motor fixed connection is in the outside of limiting plate.
5. The method for recycling waste power lithium batteries according to claim 1, characterized in that: the edge of the material homogenizing turntable (14) is fixedly connected with a plurality of arc-shaped pieces, and the width of the material homogenizing turntable (14) is consistent with that of the inner cavity of the material homogenizing groove box (13).
6. The method for recycling waste power lithium batteries according to claim 1, characterized in that: the permanent magnets (22) are uniformly distributed at the bottom of one end of the eddy current sorting frame (17), and the permanent magnets (22) and the screen plate (21) are on the same vertical line.
7. The method for recycling waste power lithium batteries according to claim 1, characterized in that: the brush plates (27) are symmetrically distributed at the top ends of the eddy current sorting frames (17), and sponge blocks are bonded and connected to the bottom ends of the brush plates (27).
CN201811103327.6A 2018-09-20 2018-09-20 Waste power lithium battery recovery method Active CN109216721B (en)

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CN207069020U (en) * 2017-06-28 2018-03-02 格林美股份有限公司 A kind of waste lithium cell retracting device
CN107910609A (en) * 2017-10-18 2018-04-13 荆门市格林美新材料有限公司 A kind of waste lead storage battery electrolyte automatic recovery device
CN108461855A (en) * 2018-02-26 2018-08-28 荆门市格林美新材料有限公司 A kind of the dismantling recovery system and dismantling recovery method of waste lithium cell

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Publication number Priority date Publication date Assignee Title
CN101183740A (en) * 2007-12-24 2008-05-21 深圳市格林美高新技术股份有限公司 Method of controlling fragmentation and recovery of waste battery and system thereof
CN103311601A (en) * 2013-05-17 2013-09-18 山东青龙山有色金属有限公司 Lithium battery processing device
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