CN219072709U - Positive and negative electrode powder slurrying device of waste lithium battery - Google Patents
Positive and negative electrode powder slurrying device of waste lithium battery Download PDFInfo
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- CN219072709U CN219072709U CN202320033977.8U CN202320033977U CN219072709U CN 219072709 U CN219072709 U CN 219072709U CN 202320033977 U CN202320033977 U CN 202320033977U CN 219072709 U CN219072709 U CN 219072709U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The utility model discloses a device for slurrying anode and cathode powder of a waste lithium battery; belongs to the technical field of waste lithium battery recovery; the technical key point of the device comprises a slurrying stirring box, wherein a stirring mechanism is arranged in the slurrying stirring box, an annular mixing pipe is arranged at the inner top of the slurrying stirring box at the periphery of the stirring mechanism, and a plurality of spraying holes are formed at the bottom of the annular mixing pipe at intervals along the circumferential direction; the external top of the slurrying stirring box is fixedly connected with a positive and negative powder adding pipe and a high-pressure water inlet pipe which are respectively connected with the annular mixing pipe in a conducting way, the positive and negative powder adding pipe is connected with an external vacuum conveying system in a conducting way, and the high-pressure water inlet pipe is connected with an external high-pressure water supply system in a conducting way; the utility model aims to provide a waste lithium battery anode and cathode powder slurrying device which has good mixing effect and can fully slurry; the method is used for pulping anode and cathode powder in wet recovery of waste lithium batteries.
Description
Technical Field
The utility model relates to the field of waste lithium batteries, in particular to a device for pulping anode and cathode powder of a waste lithium battery.
Background
In an acid dissolution purification section in a wet comprehensive recovery system of waste lithium batteries, feeding and slurrying are needed, the anode and cathode powder produced by pretreatment of the waste lithium batteries is fed by a vacuum conveying system and is slowly stirred and fully mixed with water in a slurrying stirring tank to complete slurrying, and the slurry enters an acid dissolution process.
However, during the feeding process, when the anode powder and the cathode powder are fed into the slurrying stirring tank, dust is very easy to generate, so that part of powder is adhered to the inner wall of the slurrying stirring tank, and cannot be mixed with water to complete slurrying, thereby influencing the slurrying quality.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the anode and cathode powder slurrying device of the waste lithium battery, which has good mixing effect and can fully slurry.
The technical scheme of the utility model is realized as follows: the device comprises a pulping stirring box, wherein a stirring mechanism is arranged in the pulping stirring box, an annular mixing pipe is arranged at the top of the pulping stirring box at the periphery of the stirring mechanism, and a plurality of spraying holes are formed at the bottom of the annular mixing pipe at intervals along the circumferential direction; the external top of the slurrying stirring box is fixedly connected with a positive and negative powder adding pipe and a high-pressure water inlet pipe which are respectively connected with the annular mixing pipe in a conducting way, the positive and negative powder adding pipe is connected with an external vacuum conveying system in a conducting way, and the high-pressure water inlet pipe is connected with an external high-pressure water supply system in a conducting way.
In the above-mentioned positive and negative pole powder slurrying device of old and useless lithium cell, rabbling mechanism includes along vertical direction setting and rotates the (mixing) shaft of connection in the slurrying agitator tank, is equipped with the drive unit who is connected with the (mixing) shaft linkage at the outer top of slurrying agitator tank, has a plurality of stirring leaves that are located the slurrying agitator tank on the (mixing) shaft, and the sum of the horizontal length of stirring leaf and the radius of (mixing) shaft is less than the interior circle radius of annular mixing tube.
In the above-mentioned positive and negative electrode powder slurrying device of waste lithium battery, the lower end of the said slurrying agitator tank is opened and set up, there is discharge hopper in the lower end of the slurrying agitator tank integrally formed, connect with and set up the slurry return pipe along the vertical direction in the bottom of discharge hopper, connect with and set up the slurry outlet pipe along the horizontal direction in the bottom of the slurry return pipe;
the stirring shaft movably extends into the slurry returning pipe along the vertical direction, and a spiral conveying blade which is matched with the inner diameter of the slurry returning pipe is fixedly connected to the stirring shaft.
In the above-mentioned positive and negative electrode powder slurrying device of waste lithium battery, the outer bottom of cyclic annular hybrid tube fixedly connected with and each spraying pipe that sprays the hole one by one, each spraying pipe is the heliciform that sets up along vertical direction.
In the above-mentioned positive and negative electrode powder slurrying device of waste lithium battery, the upper end of the said slurrying agitator tank is opened and set up, there is a case cover in the upper end of the slurrying agitator tank through the flange connection, said rabbling mechanism, positive and negative electrode powder add pipe and high-pressure water inlet pipe are set up on the case cover separately;
the annular mixing pipe consists of a first annular semicircular plate and a second annular semicircular plate which are detachably connected with each other; the lower ends of the anode powder adding pipe and the cathode powder adding pipe are respectively fixedly connected with the first annular semicircular plate, and the spraying holes are uniformly distributed at the bottom of the second annular semicircular plate.
In the above-mentioned positive and negative electrode powder slurrying device of a waste lithium battery, the two sides of the first annular semicircular plate are fixedly connected with first annular connecting plates along the circumferential direction, the two sides of the second annular semicircular plate are fixedly connected with second annular connecting plates along the circumferential direction, each second annular connecting plate is fixedly connected with the corresponding first annular connecting plate through bolts, and a sealing ring is clamped between each second annular connecting plate and the corresponding first annular connecting plate; the first annular semicircular plate and the second annular semicircular plate are detachably connected through the cooperation of the first annular connecting plate, the second annular connecting plate and the sealing ring.
After the structure is adopted, through the mutual matching of the annular mixing pipe, the spraying holes, the anode powder adding pipe and the high-pressure water inlet pipe, when the device is used, the anode powder and the cathode powder are initially mixed in the annular mixing pipe and then uniformly sprayed into the slurrying stirring box through the spraying holes, and further stirring and mixing are carried out, so that the anode powder and the cathode powder can not form dust in the slurrying stirring box and can not adhere to the inner wall of the slurrying stirring box, the anode powder and the cathode powder can be fully mixed with water to complete slurrying, and the mixing effect is good.
Drawings
The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
FIG. 3 is a schematic diagram of the primary mixing structure of powder and water in the present utility model.
In the figure: 1. a slurrying stirring box; 2. a stirring mechanism; 2a, a stirring shaft; 2b, a driving unit; 2c, stirring the leaves; 3. an annular mixing tube; 3a, a first annular semicircular plate; 3b, a second annular semicircular plate; 3c, a first annular connecting plate; 3d, a second annular connecting plate; 3e, sealing rings; 4. spraying holes; 5. a positive and negative electrode powder adding pipe; 6. a high pressure water inlet pipe; 7. a discharge hopper; 8. a slurry return pipe; 9. a slurry outlet pipe; 10. spiral conveying blades; 11. a shower pipe; 12. a case cover.
Detailed Description
Referring to fig. 1 to 3, the device for slurrying anode and cathode powder of waste lithium batteries comprises a slurrying stirring box 1, wherein a stirring mechanism 2 is arranged in the slurrying stirring box 1, and the premixed slurry can be further stirred and mixed. The top of the pulping stirring box 1 at the periphery of the stirring mechanism 2 is provided with an annular mixing pipe 3, and the bottom of the annular mixing pipe 3 is provided with a plurality of spraying holes 4 at intervals along the circumferential direction, so that the primarily mixed slurry can be uniformly sprayed into the pulping stirring box 1; the positive and negative electrode powder adding pipes 5 and the high-pressure water inlet pipes 6 which are respectively connected with the annular mixing pipe 3 in a conducting way are fixedly connected to the outer top of the slurrying stirring box 1, the positive and negative electrode powder adding pipes 5 are connected with an external vacuum conveying system in a conducting way, positive and negative electrode powder can be added into the annular mixing pipe 3, the high-pressure water inlet pipes 6 are connected with an external high-pressure water supply system in a conducting way, high-pressure water can be added into the annular mixing pipe 3, so that the positive and negative electrode powder and the water can be primarily mixed in the annular mixing pipe 3, dust can not be formed in the slurrying stirring box 1, the positive and negative electrode powder can be fully mixed with the water, and the slurrying stirring box is good in mixing effect.
Wherein, rabbling mechanism 2 is including setting up and rotating the (mixing) shaft 2a of connecting in slurrying agitator tank 1 along vertical direction, is equipped with the drive unit 2b of being connected with (mixing) shaft 2a linkage at the outer top of slurrying agitator tank 1, drives (mixing) shaft 2a through drive unit 2b and rotates. A plurality of stirring blades 2c positioned in the slurrying stirring box 1 are uniformly distributed on the stirring shaft 2a, so that the slurry in the slurrying stirring box 1 can be further stirred and mixed. The sum of the horizontal length of the stirring blade 2c and the radius of the stirring shaft 2a is smaller than the radius of the inner circle of the annular mixing tube 3, and the annular mixing tube 3 is not affected by the existence of the stirring blade 2 c.
Further, the lower end of the pulping stirring tank 1 is opened, a discharge hopper 7 is integrally formed at the lower end of the pulping stirring tank 1, so that pulped slurry in the pulping stirring tank 1 is conveniently discharged, a slurry return pipe 8 is connected to the bottom of the discharge hopper 7 in a conducting manner along the vertical direction, a slurry outlet pipe 9 arranged along the horizontal direction is connected to the bottom of the slurry return pipe 8 in a conducting manner, a valve is arranged on the slurry outlet pipe 9, and the pulped slurry can be discharged after the valve is opened; the stirring shaft 2a movably extends into the slurry return pipe 8 along the vertical direction, and a spiral conveying blade 10 which is matched with the inner diameter of the slurry return pipe 8 is fixedly connected to the stirring shaft 2 a. When the slurry in the slurrying stirring box 1 is stirred and mixed, the powder at the bottom is conveyed upwards through the cooperation of the spiral conveying blade 10 and the slurry returning pipe 8, so that the situation that partial positive and negative powder at the bottom cannot be well mixed with water is avoided. The driving unit 2b comprises a servo motor arranged at the top of the outer side of the slurrying stirring box 1, so that the stirring shaft 2a can be driven to rotate forwards or reversely, and when the slurry is stirred, the bottom slurry is driven to be conveyed upwards through the cooperation of the spiral conveying blades 10 and the slurry returning pipe 9; when the pulped slurry is required to be discharged, the stirring shaft 2a can be driven to rotate in the opposite direction, so that the slurry can be uniformly discharged from the slurry outlet pipe 9 through the cooperation of the spiral conveying blades 10 and the slurry return pipe 9. In this embodiment, it is to be noted that the servo motor is in the prior art, and is not described herein.
Preferably, the outer bottom of the annular mixing pipe 3 is fixedly connected with spray pipes 11 corresponding to the spray holes 4 one by one, and each spray pipe 11 is in a spiral shape arranged along the vertical direction. After primary mixing of the anode powder and the cathode powder and water in the annular mixing tube 3, the anode powder and the cathode powder are further mixed in the spiral spraying tube 11 and then sprayed into the slurrying stirring box 1, so that slurrying time is greatly shortened.
In addition, the upper end of the slurrying stirring box 1 is opened, the upper end of the slurrying stirring box 1 is connected with a box cover 12 through a flange, the stirring mechanism 2, the anode powder adding pipe 5, the cathode powder adding pipe 6 and the high-pressure water inlet pipe 6 are respectively arranged on the box cover 12, and after the box cover 12 is opened, the maintenance or cleaning of all parts on the box cover 12 can be conveniently carried out; the annular mixing pipe 3 consists of a first annular semicircular plate 3a and a second annular semicircular plate 3b which are detachably connected with each other; the lower ends of the anode powder adding pipe 5 and the high-pressure water inlet pipe 6 are respectively fixedly connected with the first annular semicircular plate 3a, and the spraying holes 4 are uniformly distributed at the bottom of the second annular semicircular plate 3 b. After the box cover 12 is detached, the first annular semicircular plate 3a and the second annular semicircular plate 3b can be detached, so that the inside of the annular mixing pipe 3 is cleaned conveniently, and slurry is prevented from entering the pulping stirring box 1 due to caking. Specifically, the two sides of the first annular semicircular plate 3a are fixedly connected with first annular connecting plates 3c along the circumferential direction, the two sides of the second annular semicircular plate 3b are fixedly connected with second annular connecting plates 3d along the circumferential direction, each second annular connecting plate 3d is fixedly connected with the corresponding first annular connecting plate 3c through bolts, a sealing ring 3e is clamped between each second annular connecting plate 3d and the corresponding first annular connecting plate 3c, and slurry is prevented from flowing out from the junction between the first annular connecting plate 3c and the second annular connecting plate 3 d; the first annular semicircular plate 3a and the second annular semicircular plate 3b are detachably connected through the cooperation of the first annular connecting plate 3c, the second annular connecting plate 3d and the sealing ring 3e, and the split type sealing ring is simple in structure and convenient to split.
When the lithium battery cathode and anode powder mixing device is used, firstly, the cathode and anode powder of the waste lithium battery is added into the annular mixing tube 3 through the cathode and anode powder adding tube 5, and meanwhile, high-pressure water is added into the annular mixing tube 3 through the high-pressure water inlet tube 6, so that the cathode and anode powder and the high-pressure water can be primarily mixed in the annular mixing tube 3; the slurry after preliminary mixing enters the spray pipe 11 through the spray holes 4, is further mixed in the spray pipe 11 in a spiral shape, then enters the slurrying stirring box 1, and finally is stirred and mixed through the stirring mechanism 2 to finish slurrying. Because positive negative pole powder mixes earlier with water and then enters into slurrying agitator tank 1 to can not form and throw material raise dust, and then can not adhere on the inner wall of slurrying agitator tank 1, make positive negative pole powder can fully mix with water, accomplish slurrying, the mixing effect is better.
The above examples are provided for convenience of description of the present utility model and are not to be construed as limiting the utility model in any way, and any person skilled in the art will make partial changes or modifications to the utility model by using the disclosed technical content without departing from the technical features of the utility model.
Claims (6)
1. The positive and negative electrode powder slurrying device of the waste lithium battery comprises a slurrying stirring box (1), and is characterized in that a stirring mechanism (2) is arranged in the slurrying stirring box (1), an annular mixing pipe (3) is arranged at the inner top of the slurrying stirring box (1) at the periphery of the stirring mechanism (2), and a plurality of spraying holes (4) are formed in the bottom of the annular mixing pipe (3) at intervals along the circumferential direction; the external top of the slurrying stirring box (1) is fixedly connected with a positive and negative powder adding pipe (5) and a high-pressure water inlet pipe (6) which are respectively connected with the annular mixing pipe (3) in a conducting way, the positive and negative powder adding pipe (5) is connected with an external vacuum conveying system in a conducting way, and the high-pressure water inlet pipe (6) is connected with an external high-pressure water supply system in a conducting way.
2. The positive and negative electrode powder slurrying device of the waste lithium battery according to claim 1, wherein the stirring mechanism (2) comprises a stirring shaft (2 a) which is arranged along the vertical direction and is rotationally connected in a slurrying stirring box (1), a driving unit (2 b) which is in linkage connection with the stirring shaft (2 a) is arranged at the outer top of the slurrying stirring box (1), a plurality of stirring blades (2 c) which are positioned in the slurrying stirring box (1) are uniformly distributed on the stirring shaft (2 a), and the sum of the horizontal length of the stirring blades (2 c) and the radius of the stirring shaft (2 a) is smaller than the inner circle radius of the annular mixing pipe (3).
3. The positive and negative electrode powder slurrying device of the waste lithium battery according to claim 2 is characterized in that the lower end of the slurrying stirring box (1) is opened, a discharge hopper (7) is integrally formed at the lower end of the slurrying stirring box (1), a slurry return pipe (8) is connected to the bottom of the discharge hopper (7) in a conducting manner along the vertical direction, and a slurry outlet pipe (9) arranged along the horizontal direction is connected to the bottom of the slurry return pipe (8) in a conducting manner;
the stirring shaft (2 a) movably extends into the slurry return pipe (8) along the vertical direction, and a spiral conveying blade (10) which is matched with the inner diameter of the slurry return pipe (8) is fixedly connected to the stirring shaft (2 a).
4. The positive and negative electrode powder slurrying device of the waste lithium battery according to claim 1, wherein the outer bottom of the annular mixing pipe (3) is fixedly connected with spray pipes (11) which are in one-to-one correspondence with the spray holes (4), and each spray pipe (11) is in a spiral shape arranged along the vertical direction.
5. The positive and negative electrode powder slurrying device of the waste lithium battery according to claim 1 is characterized in that the upper end of the slurrying stirring box (1) is opened, a box cover (12) is connected to the upper end of the slurrying stirring box (1) through a flange, and the stirring mechanism (2), the positive and negative electrode powder adding pipe (5) and the high-pressure water inlet pipe (6) are respectively arranged on the box cover (12);
the annular mixing pipe (3) consists of a first annular semicircular plate (3 a) and a second annular semicircular plate (3 b) which are detachably connected with each other; the lower ends of the anode powder adding pipe (5) and the high-pressure water inlet pipe (6) are respectively fixedly connected with the first annular semicircular plate (3 a), and the spraying holes (4) are uniformly distributed at the bottom of the second annular semicircular plate (3 b).
6. The positive and negative electrode powder slurrying device of the waste lithium battery according to claim 5, wherein the two sides of the first annular semicircular plate (3 a) are fixedly connected with first annular connecting plates (3 c) along the circumferential direction, the two sides of the second annular semicircular plate (3 b) are fixedly connected with second annular connecting plates (3 d) along the circumferential direction, each second annular connecting plate (3 d) is fixedly connected with the corresponding first annular connecting plate (3 c) through bolts, and a sealing ring (3 e) is clamped between each second annular connecting plate (3 d) and the corresponding first annular connecting plate (3 c); the first annular semicircular plate (3 a) and the second annular semicircular plate (3 b) are detachably connected with each other through the cooperation of the first annular connecting plate (3 c), the second annular connecting plate (3 d) and the sealing ring (3 e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033977.8U CN219072709U (en) | 2023-01-06 | 2023-01-06 | Positive and negative electrode powder slurrying device of waste lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033977.8U CN219072709U (en) | 2023-01-06 | 2023-01-06 | Positive and negative electrode powder slurrying device of waste lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219072709U true CN219072709U (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320033977.8U Active CN219072709U (en) | 2023-01-06 | 2023-01-06 | Positive and negative electrode powder slurrying device of waste lithium battery |
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| Country | Link |
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| CN (1) | CN219072709U (en) |
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- 2023-01-06 CN CN202320033977.8U patent/CN219072709U/en active Active
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