CN118751415B - A purification and separation device and method for graphite anode materials for lithium batteries - Google Patents

A purification and separation device and method for graphite anode materials for lithium batteries

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Publication number
CN118751415B
CN118751415B CN202411207949.9A CN202411207949A CN118751415B CN 118751415 B CN118751415 B CN 118751415B CN 202411207949 A CN202411207949 A CN 202411207949A CN 118751415 B CN118751415 B CN 118751415B
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China
Prior art keywords
flotation
tank
separation
graphite
foam
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CN202411207949.9A
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Chinese (zh)
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CN118751415A (en
Inventor
车小林
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Qingdao Longdi Carbon Material Technology Co ltd
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Qingdao Longdi Carbon Material Technology Co ltd
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Priority to CN202411207949.9A priority Critical patent/CN118751415B/en
Publication of CN118751415A publication Critical patent/CN118751415A/en
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Publication of CN118751415B publication Critical patent/CN118751415B/en
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    • 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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • 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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/145—Feed mechanisms for reagents
    • 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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1487—Means for cleaning or maintenance

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Secondary Cells (AREA)

Abstract

The application discloses a device and a method for purifying and separating a graphite negative electrode material of a lithium battery, and belongs to the technical field of graphite extraction. The device comprises a flotation tank, a collecting tank fixedly arranged on one side of the flotation tank, two flotation plates, a cleaning mechanism and a cleaning mechanism, wherein a notch is formed between the flotation tank and the collecting tank, the two flotation plates are both rotatably arranged at the top of the collecting tank, the heights of the two flotation plates are higher than the notch, the cleaning mechanism is arranged at the top of the two flotation plates and comprises a spray pipe for cleaning the two flotation plates.

Description

Lithium battery graphite negative electrode material purification and separation device and method
Technical Field
The application relates to the technical field of graphite negative electrode material extraction, in particular to a device and a method for purifying and separating a graphite negative electrode material of a lithium battery.
Background
The flotation method is an important method for purifying and separating graphite cathode materials, and the basic principle is that graphite is separated from other impurity minerals by adding different reagents by utilizing the physical and chemical characteristic difference of the surfaces of the minerals. ‌ this method is based on the fact that graphite has good natural floatability and hydrophobicity, ‌ allows graphite ore to be enriched on the gas-liquid interface by adding a series of flotation reagents to the gas-liquid interface, ‌, and ‌, to separate from the impurity minerals.
In the related art, in order to realize that graphite materials are purified through flotation separation, for example, a flotation device for purifying graphite materials is provided in the patent with the prior art publication No. CN217017001U, a rotating shaft is driven by a second motor and drives a rotating disc to rotate in a flotation tank, so that a stirring fan blade stirs the graphite materials, the graphite materials and water are continuously foamed under the action of a flotation agent, in the stirring process, air flow can be conveyed to the inside of the flotation tank through a blowing pipeline by a blower, so that the foaming effect is better, and because graphite has good natural floatability, the graphite is selectively attached to bubbles and floats to the surface of ore pulp through stirring and aeration, the rest part of the graphite remains in the ore pulp, so that the purpose of separating minerals is achieved.
According to the prior art, although the effect of extracting the foamed graphite materials can be achieved through the rotating flotation plate, when the foam on the pulp surface is scraped off the collection box by the flotation plate, the foam is lighter and is not easy to fall down, the foam can remain on the flotation plate, the scraping effect of the flotation plate is affected, the graphite materials attached to the flotation plate are not cleaned, the surface shape of the flotation plate can be changed after long-term use, the water solution is easy to vibrate, the water solution is discharged in a large amount, water needs to be added into the flotation box continuously, the height of graphite bubbles is easy to be guaranteed, and further the purification work of the graphite materials is not facilitated.
In view of the above, we propose a device and a method for purifying and separating graphite cathode materials of lithium batteries.
Disclosure of Invention
The application aims to provide a device and a method for purifying and separating graphite cathode materials of a lithium battery, which solve the technical problem that the purification of graphite materials is affected by inconvenient cleaning of a flotation plate and realize the technical effect that the flotation plate is convenient to clean so as to prevent the purification of the graphite materials from being affected.
The application provides a lithium battery graphite cathode material purification and separation device, which comprises:
a collecting tank is arranged at one side of the flotation tank, and a notch is arranged between the flotation tank and the collecting tank;
The two flotation plates are both rotatably arranged at the top of the collecting tank, and the heights of the two flotation plates are higher than the notch;
The cleaning mechanism is arranged at the top parts of the two flotation plates and comprises a spray pipe for cleaning the two flotation plates;
The stirring mechanism is rotationally arranged in the flotation tank, is used for stirring the graphite raw material to foam, and drives the flotation plate and the cleaning mechanism to operate;
and the separating mechanism is communicated with the bottom of the collecting tank through a connecting sleeve and is used for separating graphite materials and water.
As an alternative of the technical proposal of the application, one side of the flotation tank is provided with a flotation agent conveying mechanism for conveying flotation agent into the flotation tank;
The flotation agent conveying mechanism comprises a flotation agent storage tank, the top of the flotation agent storage tank is provided with a pump body, the output end of the pump body is provided with a conveying pipe, and the top of the conveying pipe is fixedly provided with an atomizer.
As an alternative to the technical solution of the present application, the stirring mechanism includes:
The driving motor is arranged below the flotation tank;
The gear box is connected with the output end of the driving motor;
The stirring rod is connected with one output end of the gear box;
And the transmission structure B is connected with the top of the stirring rod and is used for enabling the cleaning mechanism to be linked with the stirring mechanism.
As an alternative of the technical scheme of the application, the transmission structure B comprises a disc, the disc is arranged at the top of the stirring rod, and a connecting pin is eccentrically arranged at the top of the disc;
the cleaning mechanism further comprises a pumping tank, and the pumping tank is fixedly arranged at the top of the collecting tank;
The inner side of the pressure pumping tank is provided with a piston in a sliding manner, one side of the piston is provided with a connecting rod in a rotating manner, and one end of the connecting rod is rotatably arranged with a connecting pin;
One side of the pumping tank is provided with a one-way liquid inlet valve and a one-way liquid outlet valve, one side of the one-way liquid inlet valve is provided with a liquid inlet structure, and the liquid inlet structure is used for conveying water into the one-way liquid inlet valve;
one side of the one-way liquid outlet valve is provided with a liquid outlet pipe, the bottom of the liquid outlet pipe is fixedly arranged at the top of the spray pipe, and the top of the flotation plate is provided with a transmission structure A for enabling the flotation plate to be linked with the connecting rod.
As an alternative to the technical solution of the present application, the transmission structure a includes:
one side of the toothed plate is fixedly arranged with the piston;
the gear is connected with the outer side of the toothed plate in a meshed manner;
The unidirectional bearing is arranged at the inner side of the gear, and the outer side of the unidirectional bearing is connected with the gear;
And the transmission column is connected with the inner side of the one-way bearing, and the outer side of the transmission column is connected with the two flotation plates.
As an alternative to the technical solution of the present application, the separation mechanism includes:
a separation outer cylinder connected with one side of the connecting sleeve;
the separation inner cylinder is arranged on the inner side of the separation outer cylinder and is communicated with the inside of the connecting sleeve;
A filter plate connected to the bottom of the separation inner cylinder;
The spiral conveying rod is rotationally arranged in the separating inner cylinder, and is fixedly arranged at the other output end of the gear box and is linked with the stirring mechanism.
As an alternative of the technical scheme of the application, the separation outer cylinder is connected with a negative pressure pump.
As an alternative scheme of the technical scheme of the application, the liquid inlet structure comprises a liquid inlet pipe, and one end of the liquid inlet pipe is connected with a one-way liquid inlet valve;
the other end of the liquid inlet pipe is connected with a liquid storage barrel, and the liquid storage barrel is communicated with the separation outer barrel through a connecting pipe.
The application also provides a separation method of the lithium battery graphite anode material purification and separation device, which comprises the following steps:
S1, floating, namely spraying a floating agent into a floating tank through a floating agent storage tank, and driving the floating agent, the graphite raw material and water through a driving motor to stir a stirring rod, so that the bubbling effect of the floating agent is better, wherein the liquid in the floating tank is not higher than a notch, and the height of the foam is higher than the notch;
S2, collecting, namely driving a cleaning mechanism through a stirring mechanism so as to drive a flotation plate to rotate, scraping foam in the flotation tank into a collecting tank through a notch, and collecting graphite foam;
S3, cleaning, namely driving a cleaning mechanism to operate through a stirring mechanism, and enabling a spray pipe to clean two flotation plates in turn while the flotation plates rotate, so that residual foam on the two flotation plates falls into a collecting tank;
S4, separating, namely enabling the foam and water collected in the collecting tank to fall into the separating mechanism through the connecting sleeve, driving the spiral conveying rod to rotate by the driving motor, enabling the foam to move under the driving of the spiral conveying rod, filtering the foam in the separating inner cylinder through the filter plate, enabling the water to fall into the separating outer cylinder to wait for the next use, and enabling the graphite foam to move into equipment for the next step from the separating mechanism under the driving of the spiral conveying rod.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
(1) According to the application, as the cleaning mechanism is adopted, the top of the flotation plate is sprayed and cleaned, so that graphite foam can be prevented from remaining on the flotation plate, the scraping and conveying efficiency is improved, and the deformation of the flotation plate is prevented, the problem that the cleaning of the flotation plate is inconvenient to influence the purification of graphite materials is effectively solved, and the technical effect that the cleaning of the flotation plate is convenient to prevent the purification of graphite materials is realized;
(2) According to the application, the stirring mechanism is arranged in the flotation tank, so that the flotation agent, the graphite raw material and the water in the flotation tank can be stirred, the bubbling effect of the flotation agent is better, the bubbling effect of equipment is improved, and the purifying effect of the equipment is further improved;
(3) According to the application, the liquid inlet structure is arranged at the bottom of the cleaning mechanism, so that water filtered by the equipment can be reused for cleaning the flotation plate, the cyclic utilization of the water is realized, the environmental protection performance of the equipment is improved, and the use effect of the equipment is further improved;
(4) According to the application, the flotation agent conveying mechanism is arranged on one side of the flotation tank, so that the flotation agent can be automatically added into the flotation tank, the practicability of the equipment is improved, the comfort level of the equipment in use is improved, and the use effect of the equipment is further improved.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
FIG. 2 is a schematic diagram of a flotation tank in a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
FIG. 3 is a schematic diagram showing the internal structure of a removal flotation tank in a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
FIG. 4 is a schematic structural view of a stirring mechanism in a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
FIG. 5 is a schematic diagram showing the assembly structure of a cleaning mechanism and a transmission structure in a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
FIG. 6 is a schematic view of the structure of FIG. 5 with the suction canister removed;
FIG. 7 is a schematic diagram showing an exploded structure of a separation mechanism in a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
FIG. 8 is a schematic diagram of a liquid inlet structure of a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application;
fig. 9 is a schematic structural diagram of a flotation agent conveying mechanism in a device for purifying and separating graphite negative electrode materials of a lithium battery according to a preferred embodiment of the present application.
The figure is provided with the reference numerals of 1, a flotation tank, 11, a collection tank, 12, a notch, 13, a supporting frame, 14 and a connecting sleeve;
2. a flotation plate;
3. 31, a spray pipe, 32, a pumping tank, 33, a piston, 34, a connecting rod, 35, a one-way liquid inlet valve, 36, a liquid inlet structure, 361, a liquid inlet pipe, 362, a liquid storage barrel, 363, a connecting pipe, 37, a one-way liquid outlet valve, 38, a liquid outlet pipe, 39, a transmission structure A, 391, a toothed plate, 392, a gear, 393, a one-way bearing, 394 and a transmission column;
4. Stirring mechanism 41, driving motor 42, gear box 43, stirring rod 44, transmission structure B441, disk 442 and connecting pin;
5. a separation mechanism; 51, a separation outer cylinder, 52, a separation inner cylinder, 53, a filter plate, 54, a spiral conveying rod, 55 and a negative pressure pump;
6. The flotation agent conveying mechanism comprises a flotation agent storage tank 61, a pump 62, a pump body 63, a conveying pipe 64 and an atomizer.
Detailed Description
The application is described in further detail below with reference to the drawings.
Referring to fig. 1-3, the embodiment of the application discloses a lithium battery graphite cathode material purifying and separating device, which comprises a flotation tank 1, wherein a collecting tank 11 is fixedly arranged on one side of the flotation tank 1, a notch 12 is arranged between the flotation tank 1 and the collecting tank 11, two flotation plates 2 are rotatably arranged at the top of the collecting tank 11, the heights of the two flotation plates 2 are higher than the notch 12, a cleaning mechanism 3 is arranged at the top of the two flotation plates 2, the cleaning mechanism 3 comprises a spray pipe 31 for cleaning the two flotation plates 2, a stirring mechanism 4 is rotatably arranged in the flotation tank 1 and used for stirring graphite raw materials to foam, and the flotation plates 2 and the cleaning mechanism 3 are driven to operate.
The flotation agent, graphite raw materials and water in the flotation tank 1 are stirred through the stirring mechanism 4, so that the bubbling effect of the flotation agent is better, liquid in the flotation tank 1 is not higher than the notch 12, the height of foam is higher than that of the notch 12, meanwhile, the stirring mechanism 4 drives the cleaning mechanism 3 to drive the flotation plate 2 to rotate, the foam in the flotation tank 1 is scraped into the collecting tank 11 through the notch 12, graphite foam is collected, the two flotation plates 2 are cleaned in turn by the spray pipe 31 while the flotation plate 2 rotates, residual foam on the two flotation plates 2 falls into the collecting tank 11, the cleaning effect of equipment on the flotation plates 2 is guaranteed, and when the flotation plate 2 is prevented from being attached to the flotation plate 2 for a long time, the shape of the flotation plate 2 is changed, and the flotation effect is affected.
Referring to fig. 1, the flotation tank 1 further comprises a support frame 13, wherein the top of the support frame 13 is fixedly arranged with the bottom of the flotation tank 1 for supporting the structure inside the equipment.
Through fixed support frame 13 in the bottom of flotation tank 1, can support flotation tank 1, clearance mechanism 3 and rabbling mechanism 4, guarantee stability and the security in the equipment use.
Referring to fig. 1 and 3, the stirring mechanism 4 includes a driving motor 41, the driving motor 41 is fixedly disposed on the inner side of the supporting frame 13, a gear box 42 is fixedly disposed at an output end of the driving motor 41, a stirring rod 43 is fixedly disposed at an output end of the gear box 42, and a transmission structure B44 is fixedly disposed at the top of the stirring rod 43, so that the cleaning mechanism 3 and the stirring mechanism 4 are linked.
The gear box 42 is driven to operate by the driving motor 41, the stirring rod 43 is driven to rotate by the gear box 42, the flotation agent, the graphite raw material and the water in the flotation tank 1 are stirred, the bubbling effect of the equipment is improved, and the stirring mechanism 4 is linked with the cleaning mechanism 3 by the transmission structure B44.
Referring to fig. 3-6, the transmission structure B44 includes a disc 441, the transmission structure B44 is fixedly disposed at the top of the stirring rod 43, the top of the disc 441 is eccentrically provided with a connecting pin 442, the cleaning mechanism 3 further includes a pumping tank 32, the pumping tank 32 is fixedly disposed at the top of the collecting tank 11, a piston 33 is slidably disposed at the inner side of the pumping tank 32, a connecting rod 34 is rotatably disposed at one side of the piston 33, one end of the connecting rod 34 is rotatably disposed with the connecting pin 442, a unidirectional liquid inlet valve 35 and a unidirectional liquid outlet valve 37 are disposed at one side of the pumping tank 32, a liquid inlet structure 36 is disposed at one side of the unidirectional liquid inlet valve 35, a liquid outlet pipe 38 is disposed at one side of the unidirectional liquid outlet valve 37, the bottom of the liquid outlet pipe 38 is fixedly disposed at the top of the shower pipe 31, and a transmission structure a39 is disposed at the top of the flotation plate 2 for enabling the flotation plate 2 to be in linkage with the connecting rod 34.
The stirring rod 43 rotates to drive the disc 441 to rotate, so as to drive the connecting pin 442 to eccentrically rotate on the disc 441, so as to drive the connecting rod 34 and the piston 33 connected with the connecting rod to move, the piston 33 horizontally moves under the limit of the pumping tank 32, water is absorbed and discharged under the action of the one-way liquid inlet valve 35 and the one-way liquid outlet valve 37, when the piston 33 moves far away from the one-way liquid inlet valve 35, water is absorbed into the pumping tank 32 through the liquid inlet structure 36 under the action of the one-way liquid inlet valve 35, when the piston 33 moves near the one-way liquid inlet valve 35, water is discharged into the spray pipe 31 through the liquid outlet pipe 38 under the action of the one-way liquid outlet valve 37, water is sprayed out of the spray pipe 31, one of the flotation plates 2 is cleaned, and the flotation plate 2 is linked with the connecting rod 34 through the transmission structure A39.
Referring to fig. 5 and 6, the transmission structure a39 includes a toothed plate 391, one side of the toothed plate 391 is fixedly disposed with the piston 33, a gear 392 is meshed with the outer side of the toothed plate 391, a unidirectional bearing 393 is disposed on the inner side of the gear 392, the outer side of the unidirectional bearing 393 is fixedly disposed with the gear 392, a transmission column 394 is fixedly disposed on the inner side of the unidirectional bearing 393, and the outer side of the transmission column 394 is fixedly disposed with the two flotation plates 2.
Through the piston 33 movement, drive pinion 391 to remove to drive gear 392 and rotate, under the effect of one-way bearing 393, make gear 392 drive post 394 and two flotation plates 2 of connection rotate when reversing, when piston 33 does the removal of keeping away from one-way feed liquor valve 35 one side, drive pinion 391 and remove, thereby drive gear 392 reversal, and then drive post 394 and two flotation plates 2 of connection rotate 180, then the piston 33 is the removal of being close to one-way feed liquor valve 35 one side, make shower 31 water spray clear up one-side flotation plate 2, at this moment under the effect of one-way bearing 393, two flotation plates 2 do not rotate.
Referring to fig. 1 and 3, the bottom of the collection tank 11 is fixedly provided with a separation mechanism 5 through a connection sleeve 14, and the separation mechanism 5 is used for separating graphite material and water.
The graphite material and water in the collection tank 11 are dropped into the separating mechanism 5 through the connecting sleeve 14, and the separating mechanism 5 performs a separating operation thereof.
Referring to fig. 1, 6 and 7, the separation mechanism 5 includes a separation outer cylinder 51, the separation outer cylinder 51 is fixedly disposed at one side of the connection sleeve 14, a separation inner cylinder 52 is disposed at the inner side of the separation outer cylinder 51, the separation inner cylinder 52 is communicated with the inside of the connection sleeve 14, a filter plate 53 is disposed at the top of the separation inner cylinder 52, a screw conveying rod 54 is rotatably disposed in the separation inner cylinder 52, the screw conveying rod 54 is fixedly disposed at the other output end of the gear box 42, and is linked with the stirring mechanism 4, and a negative pressure pump 55 is fixedly disposed at the top of the separation outer cylinder 51.
The spiral conveying rod 54 is driven to rotate through the gear box 42, foam moves under the driving of the spiral conveying rod 54 and is filtered through the filter plates 53 in the separation inner cylinder 52, water falls into the separation outer cylinder 51 to wait for the next use, graphite foam moves from the separation mechanism 5 to equipment for the next step under the driving of the spiral conveying rod 54, and the negative pressure pump 55 enables negative pressure to be generated in the separation outer cylinder 51, so that the filtering effect of the equipment is improved.
Referring to fig. 1 and 8, the liquid inlet structure 36 includes a liquid inlet pipe 361, one end of the liquid inlet pipe 361 is fixedly arranged with the one-way liquid inlet valve 35, the other end of the liquid inlet pipe 361 is fixedly provided with a liquid storage barrel 362, and the liquid storage barrel 362 is communicated with the separation outer barrel 51 through a connecting pipe 363.
The water used for cleaning the flotation plate 2 is conveyed into the one-way liquid inlet valve 35 through the liquid inlet pipe 361, water is stored in the liquid storage barrel 362, water in the separation outer barrel 51 can flow into the liquid storage barrel 362 through the connecting pipe 363, the recycling of the water is realized, and the environmental protection effect of the equipment is improved.
Referring to fig. 1 and 9, a flotation agent delivery mechanism 6 is provided at one side of the flotation tank 1 for delivering a flotation agent into the flotation tank 1, the flotation agent delivery mechanism 6 includes a flotation agent storage tank 61, a pump body 62 is provided at the top of the flotation agent storage tank 61, a delivery pipe 63 is provided at the output end of the pump body 62, and an atomizer 64 is fixedly provided at the top of the delivery pipe 63.
The flotation agent in the flotation agent tank 61 is sucked in by the pump 62, and the flotation agent is fed into the atomizer 64 by the feed pipe 63, so that the atomizer 64 sprays the flotation agent into the flotation tank 1.
Referring to fig. 1 to 9, the embodiment of the application discloses a separation method of the lithium battery graphite anode material purification and separation device, which comprises the following steps:
S1, floating, namely spraying a floating agent into a floating tank 1 through a floating agent storage tank 61, and driving the floating agent through a driving motor 41 to stir the floating agent, graphite raw materials and water by a stirring rod 43, so that the bubbling effect of the floating agent is better, wherein the liquid in the floating tank 1 is not higher than a notch 12, and the height of the foam is higher than the notch 12;
s2, collecting, namely driving the cleaning mechanism 3 through the stirring mechanism 4 so as to drive the flotation plate 2 to rotate, scraping foam in the flotation tank 1 into the collecting tank 11 through the notch 12, and collecting graphite foam;
S3, cleaning, namely driving a cleaning mechanism 3 to operate through a stirring mechanism 4, and enabling a spray pipe 31 to clean two flotation plates 2 in turn while enabling foam remained on the two flotation plates 2 to fall into a collecting tank 11 while enabling the flotation plates 2 to rotate;
S4, separating, namely enabling the foam and water collected in the collecting tank 11 to fall into the separating mechanism 5 through the connecting sleeve 14, driving the spiral conveying rod 54 to rotate by the driving motor 41, enabling the foam to move under the driving of the spiral conveying rod 54, filtering the foam in the separating inner cylinder 52 through the filter plates 53, enabling the water to fall into the separating outer cylinder 51 for waiting for the next use, and enabling the graphite foam to move from the separating mechanism 5 to equipment for the next step under the driving of the spiral conveying rod 54.
In view of the above, when the device for purifying and separating graphite negative electrode materials of lithium batteries disclosed in the embodiments of the present application is used, a flotation agent in a flotation agent storage tank 61 is sucked through a pump 62, then the flotation agent is conveyed into an atomizer 64 through a conveying pipe 63, so that the atomizer 64 sprays the flotation agent into a flotation tank 1, a driving motor 41 drives a gear box 42 to operate, the gear box 42 drives a stirring rod 43 to rotate, the flotation agent, graphite raw materials and water in the flotation tank 1 are stirred, the bubbling effect of the device is improved, wherein the liquid in the flotation tank 1 is not higher than a notch 12, the height of the foam is higher than the notch 12, the stirring rod 43 rotates to drive a disc 441 to rotate, thereby driving a connecting pin 442 to eccentrically rotate on the disc 441, so as to drive a connecting rod 34 and a piston 33 connected with the connecting rod 33 to move, and when the piston 33 moves far from one side of a one-way liquid inlet valve 35, under the action of the unidirectional liquid inlet valve 35, water is absorbed into the pumping tank 32 through the liquid inlet structure 36, meanwhile, the piston 33 drives the toothed plate 391 to move, so as to drive the gear 392 to rotate reversely, so as to drive the transmission column 394 and two flotation plates 2 connected with the transmission column to rotate 180 degrees, then the piston 33 does movement close to one side of the unidirectional liquid inlet valve 35, at the moment, under the action of the unidirectional bearing 393, the two flotation plates 2 do not rotate, under the action of the unidirectional liquid outlet valve 37, water is discharged into the spray pipe 31 through the liquid outlet pipe 38, water is sprayed out of the spray pipe 31, one flotation plate 2 is cleaned, the spray pipe 31 is repeatedly cleaned in turn, residual foam on the two flotation plates 2 falls into the collecting tank 11, foam and water collected in the collecting tank 11 falls into the separating mechanism 5 through the connecting sleeve 14, the spiral conveying rod 54 is driven to rotate through the gear box 42, the foam moves under the drive of the screw conveyor 54, is filtered in the separating inner cylinder 52 by the filter plates 53, wherein the water falls into the separating outer cylinder 51 for the next use, and the graphite foam moves from the separating mechanism 5 to the apparatus for the next step under the drive of the screw conveyor 54.

Claims (6)

1.一种锂电池石墨负极材料提纯分离装置，其特征在于，包括：1. A purification and separation device for graphite anode materials in lithium batteries, characterized in that it comprises: 浮选罐（1），其一侧设置有收集罐（11），所述浮选罐（1）与收集罐（11）之间设置有缺口（12）；A flotation tank (1) is provided with a collection tank (11) on one side, and a notch (12) is provided between the flotation tank (1) and the collection tank (11). 两个浮选板（2），均转动设置于收集罐（11）的顶部，两个所述浮选板（2）的高度均高于缺口（12）；Two flotation plates (2) are rotatably mounted on the top of the collection tank (11), and the height of the two flotation plates (2) is higher than the notch (12). 清理机构（3），设置于两个所述浮选板（2）的顶部，所述清理机构（3）包括喷淋管（31），用于对两个浮选板（2）进行清理；A cleaning mechanism (3) is disposed on top of the two flotation plates (2). The cleaning mechanism (3) includes a spray pipe (31) for cleaning the two flotation plates (2). 搅拌机构（4），所述搅拌机构（4）转动设置于浮选罐（1）的内部，用于搅拌石墨原料使其起泡，并且驱动浮选板（2）和清理机构（3）运行；The stirring mechanism (4) is rotatably installed inside the flotation tank (1) to stir the graphite raw material to make it foam, and to drive the flotation plate (2) and the cleaning mechanism (3) to run. 分离机构（5）,与所述收集罐（11）的底部通过连接套筒（14）连通，用于分离石墨材料和水；The separation mechanism (5) is connected to the bottom of the collection tank (11) via a connecting sleeve (14) and is used to separate graphite material and water. 所述搅拌机构（4）包括：The stirring mechanism (4) includes: 驱动电机（41），设于所述浮选罐（1）的下方；A drive motor (41) is located below the flotation tank (1); 齿轮箱（42），与所述驱动电机（41）的输出端连接；The gearbox (42) is connected to the output end of the drive motor (41); 搅拌杆（43），与所述齿轮箱（42）的一个输出端连接；The stirring rod (43) is connected to one output end of the gearbox (42); 传动结构B（44），与所述搅拌杆（43）的顶部连接，用于使清理机构（3）与搅拌机构（4）联动；The transmission structure B (44) is connected to the top of the stirring rod (43) to enable the cleaning mechanism (3) and the stirring mechanism (4) to work together. 所述传动结构B（44）包括圆盘（441），所述圆盘（441）设置于搅拌杆（43）的顶部，所述圆盘（441）的顶部偏心设置有连接销（442）；The transmission structure B (44) includes a disc (441), which is disposed on the top of the stirring rod (43), and a connecting pin (442) is eccentrically disposed on the top of the disc (441). 所述清理机构（3）还包括抽压罐（32），所述抽压罐（32）固定设置于收集罐（11）的顶部；The cleaning mechanism (3) also includes a pressure tank (32), which is fixedly installed on the top of the collection tank (11); 所述抽压罐（32）的内侧滑动设置有活塞（33），所述活塞（33）的一侧转动设置有连接杆（34），所述连接杆（34）的一端与连接销（442）转动设置；A piston (33) is slidably provided on the inner side of the pressure tank (32), and a connecting rod (34) is rotatably provided on one side of the piston (33). One end of the connecting rod (34) is rotatably connected to the connecting pin (442). 所述抽压罐（32）的一侧设置有单向进液阀（35）和单向出液阀（37），所述单向进液阀（35）的一侧设置有进液结构（36），所述进液结构（36）用于向单向进液阀（35）中输送水；The pressure tank (32) is provided with a one-way inlet valve (35) and a one-way outlet valve (37) on one side. The one-way inlet valve (35) is provided with an inlet structure (36) on one side. The inlet structure (36) is used to deliver water into the one-way inlet valve (35). 所述单向出液阀（37）的一侧设置有出液管（38），所述出液管（38）的底部与喷淋管（31）的顶部固定设置，所述浮选板（2）的顶部设置有传动结构A（39），用于使浮选板（2）与连接杆（34）联动；The one-way discharge valve (37) is provided with a discharge pipe (38) on one side. The bottom of the discharge pipe (38) is fixedly connected to the top of the spray pipe (31). The top of the flotation plate (2) is provided with a transmission structure A (39) for linking the flotation plate (2) with the connecting rod (34). 所述传动结构A（39）包括：The transmission structure A (39) includes: 齿板（391），其的一侧与所述活塞（33）固定设置；A toothed plate (391) is fixedly disposed on one side with the piston (33); 齿轮（392），与所述齿板（391）的外侧啮合连接；The gear (392) meshes with the outer side of the toothed plate (391); 单向轴承（393），设置于所述齿轮（392）的内侧，所述单向轴承（393）的外侧与齿轮（392）连接；A one-way bearing (393) is disposed on the inner side of the gear (392), and the outer side of the one-way bearing (393) is connected to the gear (392); 传动柱（394），与所述单向轴承（393）的内侧连接，所述传动柱（394）的外侧与两个浮选板（2）连接。The transmission column (394) is connected to the inner side of the one-way bearing (393), and the outer side of the transmission column (394) is connected to the two flotation plates (2). 2.根据权利要求1所述的锂电池石墨负极材料提纯分离装置，其特征在于，所述浮选罐（1）的一侧设置有浮选剂输送机构（6），用于向浮选罐（1）中输送浮选剂；2. The lithium battery graphite anode material purification and separation device according to claim 1, characterized in that a flotation agent conveying mechanism (6) is provided on one side of the flotation tank (1) for conveying flotation agent into the flotation tank (1); 所述浮选剂输送机构（6）包括浮选剂储罐（61），所述浮选剂储罐（61）的顶部设置有泵体（62），所述泵体（62）的输出端设置有输送管（63），所述输送管（63）的顶部固定设置有雾化器（64）。The flotation agent conveying mechanism (6) includes a flotation agent storage tank (61), a pump body (62) is provided on the top of the flotation agent storage tank (61), a conveying pipe (63) is provided at the output end of the pump body (62), and an atomizer (64) is fixedly provided on the top of the conveying pipe (63). 3.根据权利要求1所述的锂电池石墨负极材料提纯分离装置，其特征在于，所述分离机构（5）包括：3. The lithium battery graphite anode material purification and separation device according to claim 1, characterized in that the separation mechanism (5) comprises: 分离外筒（51），与所述连接套筒（14）的一侧连接；Separate the outer cylinder (51) and connect it to one side of the connecting sleeve (14); 分离内筒（52），设置于所述分离外筒（51）的内侧，所述分离内筒（52）与连接套筒（14）内部连通；The inner separating cylinder (52) is disposed inside the outer separating cylinder (51), and the inner separating cylinder (52) is in communication with the inside of the connecting sleeve (14); 滤板（53），与所述分离内筒（52）的底部；The filter plate (53) is located at the bottom of the separation inner cylinder (52); 螺旋输送杆（54），转动设置于所述分离内筒（52）的内部，所述螺旋输送杆（54）与齿轮箱（42）的另一个输出端固定设置，与搅拌机构（4）联动。The spiral conveyor rod (54) is rotatably disposed inside the separation inner cylinder (52). The spiral conveyor rod (54) is fixedly disposed at the other output end of the gearbox (42) and is linked with the stirring mechanism (4). 4.根据权利要求3所述的锂电池石墨负极材料提纯分离装置，其特征在于，所述分离外筒（51）的连接有负压泵（55）。4. The lithium battery graphite anode material purification and separation device according to claim 3, characterized in that the separation outer cylinder (51) is connected to a negative pressure pump (55). 5.根据权利要求1所述的锂电池石墨负极材料提纯分离装置，其特征在于，所述进液结构（36）包括进液管（361），所述进液管（361）的一端与单向进液阀（35）连接；5. The lithium battery graphite anode material purification and separation device according to claim 1, characterized in that the liquid inlet structure (36) includes a liquid inlet pipe (361), one end of which is connected to a one-way liquid inlet valve (35); 所述进液管（361）的另一端连接有储液桶（362），所述储液桶（362）通过连接管（363）与分离外筒（51）连通。The other end of the inlet pipe (361) is connected to a storage tank (362), and the storage tank (362) is connected to the outer separator (51) through a connecting pipe (363). 6.根据权利要求3所述的锂电池石墨负极材料提纯分离装置的分离方法，其特征在于，包括以下步骤：6. The separation method of the lithium battery graphite anode material purification and separation device according to claim 3, characterized in that it includes the following steps: S1、浮选：通过浮选剂输送机构（6）将浮选剂喷入浮选罐（1）中，再通过驱动电机（41）驱动，使搅拌杆（43）对浮选剂、石墨原料和水进行搅拌，使浮选剂起泡的效果更好，其中浮选罐（1）内的液体不高于缺口（12），泡沫的高度高于缺口（12）；S1, Flotation: The flotation agent is sprayed into the flotation tank (1) through the flotation agent conveying mechanism (6), and then driven by the drive motor (41) to make the stirring rod (43) stir the flotation agent, graphite raw material and water, so that the flotation agent foaming effect is better. The liquid in the flotation tank (1) is not higher than the gap (12), and the height of the foam is higher than the gap (12). S2、收集：通过搅拌机构（4）带动清理机构（3），从而带动浮选板（2）转动，将浮选罐（1）内部的泡沫通过缺口（12）刮入到收集罐（11）中，对石墨泡沫进行收集；S2. Collection: The stirring mechanism (4) drives the cleaning mechanism (3), thereby driving the flotation plate (2) to rotate, scraping the foam inside the flotation tank (1) into the collection tank (11) through the notch (12) to collect the graphite foam; S3、清理：通过搅拌机构（4）带动清理机构（3）运转，在浮选板（2）转动的同时，使喷淋管（31）对两个浮选板（2）轮流清理，使两个浮选板（2）上残留的泡沫落入收集罐（11）中；S3. Cleaning: The cleaning mechanism (3) is driven by the stirring mechanism (4) to operate. While the flotation plate (2) is rotating, the spray pipe (31) cleans the two flotation plates (2) in turn, so that the foam remaining on the two flotation plates (2) falls into the collection tank (11). S4、分离：收集罐（11）内部收集好的泡沫和水通过连接套筒（14）落入分离机构（5）中，驱动电机（41）驱动螺旋输送杆（54）转动，泡沫在螺旋输送杆（54）的带动下移动，在分离内筒（52）中通过滤板（53）进行过滤，其中水落入分离外筒（51）中等待下一次的使用，石墨泡沫在螺旋输送杆（54）的带动下从分离机构（5）中移动到进行下一步骤的设备中。S4. Separation: The foam and water collected inside the collection tank (11) fall into the separation mechanism (5) through the connecting sleeve (14). The drive motor (41) drives the screw conveyor (54) to rotate. The foam moves under the drive of the screw conveyor (54) and is filtered through the filter plate (53) in the inner separation cylinder (52). The water falls into the outer separation cylinder (51) to wait for the next use. The graphite foam moves from the separation mechanism (5) to the equipment for the next step under the drive of the screw conveyor (54).
CN202411207949.9A 2024-08-30 2024-08-30 A purification and separation device and method for graphite anode materials for lithium batteries Active CN118751415B (en)

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