CN215312151U - Battery anode powder granulation system - Google Patents
Battery anode powder granulation system Download PDFInfo
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- CN215312151U CN215312151U CN202023288272.6U CN202023288272U CN215312151U CN 215312151 U CN215312151 U CN 215312151U CN 202023288272 U CN202023288272 U CN 202023288272U CN 215312151 U CN215312151 U CN 215312151U
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Abstract
A battery anode powder granulation system comprises a raw material mixing mechanism, a tabletting device, a granulation device and a powder sieving device which are sequentially connected, wherein the raw material mixing mechanism comprises a manganese powder storage hopper, a graphite powder storage hopper, an additive storage tank, an electro-hydraulic tank and a mixing barrel connected with the mechanisms, the outlet of the mixing barrel is connected with the mixture storage barrel, a stirring device is arranged in the mixing barrel, the outlet of the storage barrel is connected with the tabletting device, the tabletting device comprises a feeding hopper and a tablet press, a material loosening device is arranged in the feeding hopper, the outlet of the feeding hopper is connected with the tablet press through a spiral material pushing device, the outlet of the tablet press is connected with a crusher through a lifting device, the crusher is connected with the granulation device, a coarse powder layer, a finished powder layer and a fine powder layer are arranged in the powder sieving device through a sieve mesh layer, the coarse powder layer is connected with the crusher through a coarse powder lifting machine, the fine powder layer is connected with a feed hopper through a fine powder elevator, and the finished powder layer is connected into a finished powder flow barrel.
Description
Technical Field
The utility model relates to the field of battery production equipment, in particular to a battery anode powder granulation system.
Background
In the manufacturing process of the battery, the anode powder needs to be stirred, tableted, granulated and screened so as to enable the anode powder to be compact and become granules meeting the requirement of particle size distribution, and high density and uniformity of the anode during filling are ensured. The granulation method is divided into a wet method and a dry method. Wet granulation is less adopted at present due to high energy consumption, heavy positive electrode carbonation in the granulation process, influence on electrical performance and the like.
In a common dry granulation process, anode powder passes through a raw material mixing device, a rolling device, a granulation device and a screening device, so that the granularity of the raw material reaches a required range, the granulated raw material is screened by a screen mesh in the screening device, and then coarse materials and fine materials with unqualified granularity are conveyed to the rolling device by a conveying device to be rolled again, granulated and screened.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a battery anode powder granulating system which overcomes the defects in the prior art and has a reasonable structure.
The technical solution of the utility model is as follows: a battery anode powder granulation system comprises a raw material mixing mechanism, a tabletting device, a granulation device and a powder sieving device which are sequentially connected, wherein the raw material mixing mechanism comprises a manganese powder storage hopper, a graphite powder storage hopper, an additive storage tank, an electro-hydraulic tank and a mixing barrel connected with the mechanisms, the outlet of the mixing barrel is connected with the mixture storage barrel, a stirring device is arranged in the mixing barrel, the outlet of the storage barrel is connected with the tabletting device, the tabletting device comprises a feeding hopper and a tablet press, a material loosening device is arranged in the feeding hopper, the outlet of the feeding hopper is connected with the tablet press through a spiral material pushing device, the outlet of the tablet press is connected with a crusher through a lifting device, the crusher is connected with the granulation device, a coarse powder layer, a finished powder layer and a fine powder layer are arranged in the powder sieving device through a sieve mesh layer, the coarse powder layer is connected with the crusher through a coarse powder lifting machine, the fine powder layer is connected with a feed hopper through a fine powder elevator, and the finished powder layer is connected into a finished powder flow barrel.
The utility model is further improved in that: manganese powder storage hopper, graphite powder storage hopper connect two bale hanging rooms respectively, be equipped with manganese powder raw material package and graphite powder raw material package respectively through electric block in the bale hanging room.
The utility model is further improved in that: dust extraction is connected to the bale hanging room, raw materials mixing mechanism still includes retrieves the powder storage hopper for collect the raw materials powder of retrieving among the dust extraction, retrieve the powder storage hopper and connect the compounding bucket, it is equipped with the recovery powder batch charging case to retrieve powder storage hopper top.
The utility model is further improved in that: the stirring device comprises a stirring motor and two stirring shafts connected with the stirring motor, the stirring shafts are arranged on two side walls of the mixing barrel, and spiral stirring blades are arranged on the stirring shafts along shaft bodies.
The utility model is further improved in that: and a second stirring device is arranged in the mixture storage bucket, and the second stirring device and the loosening device respectively comprise a driving motor, a stirring rod connected with the driving motor and a stirring blade arranged on the stirring rod.
The utility model is further improved in that: the exit of tablet press is equipped with out the hopper to connect the breaker through hoisting device, the discharge end of middlings lifting machine corresponds go out the hopper, the discharge end of farine lifting machine corresponds go into the hopper, the middlings lifting machine with the discharge end of farine lifting machine all is equipped with the slide that is used for the ejection of compact.
The utility model is further improved in that: the granulating device comprises a barrel and a plurality of groups of compression rollers which are arranged in the barrel from top to bottom in sequence, and each group of compression rollers are correspondingly connected with an independent power adjusting mechanism.
The utility model is further improved in that: and a filtering device for removing impurities is also arranged between the granulating device and the powder sieving device.
The utility model is further improved in that: the powder sieving device is connected with the granulating device through an inverted Y-shaped pipeline.
The utility model also provides a granulation method of the battery anode powder granulation system, which comprises the following steps,
the method comprises the following steps: suspending a manganese powder raw material bag and a graphite powder raw material bag in a ladle hanging room through an electric hoist, and then respectively throwing the manganese powder raw material bag and the graphite powder raw material bag into a manganese powder storage hopper and a graphite powder storage hopper;
step two: conveying manganese powder and graphite powder into a mixing barrel through a pipeline, adding an additive and electrolyte, uniformly stirring, conveying into a storage barrel, and conveying the raw materials into a tabletting device from the storage barrel for tabletting;
step three: after tabletting, conveying the materials into a crusher through a lifting device for crushing;
step four: feeding the crushed materials into a granulator for granulation, and then screening the obtained materials to obtain powder;
step five: after the powder is sieved, the qualified finished powder is conveyed to a finished powder circulation barrel to prepare for entering the next procedure, unqualified fine powder is recycled and enters a tabletting device for tabletting again, and unqualified coarse powder enters a crusher for crushing again and granulating.
The utility model has the beneficial effects that: (1) the bale hanging room is connected with the dust suction device, raw material powder scattered in the bale hanging room can be collected and then conveyed into the mixing barrel through the recycled powder storage hopper for recycling, so that raw material resources are saved, and waste of raw materials is avoided; (2) a plurality of groups of compression rollers are arranged in the granulating device, each group of compression rollers is connected with an independent adjusting structure, each group of compression rollers can be independently adjusted according to requirements, the purpose of grinding anode powder materials with different required specifications is achieved, and the granulating device can meet various processing requirements; (3) the material loosening device is arranged in the feeding hopper, so that the accumulation of materials can be prevented, and the continuous operation of the tabletting device is ensured; (4) coarse materials which are still larger than the requirement after granulation directly enter the crusher through the coarse powder elevator and are then granulated again, and the coarse materials are refined, the coarse powder does not need to be tabletted any more, so that the water dispersion loss in returned materials is reduced, the uniformity of the water content of the anode materials is greatly ensured, the granulation effect and the grain yield are ensured, fine powder in the fine powder layer enters the tabletting machine through the fine powder elevator to be rolled and granulated again, and the finished powder directly enters the finished powder flow barrel.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the raw material mixing mechanism according to the present invention;
FIG. 3 is a schematic diagram of the tabletting and granulating structure of the present invention;
FIG. 4 is a schematic flow diagram of the present invention;
wherein: 1-tabletting device, 2-granulating device, 3-sieving device, 4-manganese powder storage hopper, 5-graphite powder storage hopper, 6-additive storage tank, 7-electric liquid tank, 8-mixing barrel, 9-bale hanging room, 10-electric hoist, 11-manganese powder raw material bag, 12-graphite powder raw material bag, 13-dust suction device, 14-recovered powder storage barrel, 15-storage barrel, 16-stirring device, 17-stirring motor, 18-stirring shaft, 19-feeding hopper, 20-tabletting machine, 21-second stirring device, 22-loosening device, 23-spiral pushing device, 24-recovered powder feeding box, 25-lifting device, 26-crusher, 27-coarse powder layer, 28-finished powder layer, 29-fine powder layer, 30-coarse powder lifter, 31-fine powder lifter, 32-finished powder flow barrel, 33-discharge hopper, 34-sliding plate, 35-barrel, 36-press roller, 37-power adjusting mechanism and 38-filtering device.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in the drawing, the positive battery powder granulation system provided by the embodiment includes a raw material mixing mechanism, a tabletting device 1, a granulation device 2 and a powder sieving device 3, which are connected in sequence, wherein the raw material mixing mechanism includes a manganese powder storage hopper 4, a graphite powder storage hopper 5, an additive storage tank 6, an electro-hydraulic tank 7 and a mixing barrel 8 connected with the above mechanisms, the manganese powder storage hopper 4 and the graphite powder storage hopper 5 are respectively connected with two bale hanging rooms 9, a manganese powder raw material bag 11 and a graphite powder raw material bag 12 are respectively arranged in the bale hanging rooms 9 through an electric hoist 10, each bale hanging room 9 is connected with a dust collector 13, the raw material mixing mechanism further includes a recycled powder storage hopper 14 for collecting the raw material powder recycled from the dust collector 13, the recycled powder hopper 14 is connected with the mixing barrel 8, and a recycled powder feeding box 24 is arranged above the recycled powder storage hopper 14.
The exit linkage mixture storage vat 15 of compounding bucket 8, be equipped with agitating unit 16 in the compounding bucket 15, agitating unit includes agitator motor 17 and two (mixing) shafts 18, the (mixing) shaft 18 is followed the both sides wall setting of compounding bucket, be equipped with spiral helicine stirring leaf along the shaft body on the (mixing) shaft 18, agitator motor 17 includes revolution motor 17a and rotation motor 17b, and wherein, revolution motor 17a drives two (mixing) shafts 18 and wholly rotates along the barrel wall of compounding bucket 8, rotation motor 17b then controls two (mixing) shafts 18 rotation alone.
The exit linkage film clamp 1 of storage vat 15, film clamp 1 is including going into hopper 19 and tablet press 20, be equipped with second agitating unit 21 in the mixture storage vat 15, it is equipped with pine material device 22 to go into hopper 19, second agitating unit 21 with pine material device 22 all includes a driving motor and the stirring rod of being connected with driving motor and sets up the stirring leaf on the stirring rod. The export of going into hopper 19 passes through spiral blevile of push 23 and connects the tablet press, the export of tablet press 20 passes through hoisting device 25 and connects breaker 26, breaker 26 is connected prilling granulator 2, sieve powder device 3's quantity is two, connect through the pipeline of "Y" type between prilling granulator 2 and two sieve powder devices 3. The powder sieving device 3 is internally provided with a coarse powder layer 27, a finished powder layer 28 and a fine powder layer 29 through sieve layers with different thicknesses, the coarse powder layer 27 is connected with the crusher 26 through a coarse powder lifter 30, the fine powder layer 29 is connected with the feeding hopper 19 through a fine powder lifter 31, and the finished powder layer 28 is connected with a finished powder flow barrel 32.
The exit of tablet press 20 is equipped with out the hopper 33 to connect breaker 26 through hoisting device 25, the discharge end of coarse powder lifting machine 30 corresponds go out hopper 33, the discharge end of fine powder lifting machine 31 corresponds go into hopper 19, coarse powder lifting machine 30 with the discharge end of fine powder lifting machine 31 all is equipped with slide 34 that is used for empting the material.
The granulating device 2 comprises a cylinder 35 and three groups of compression rollers 36 which are sequentially arranged in the cylinder 35 from top to bottom, wherein each group of compression rollers is correspondingly connected with an independent power adjusting mechanism 37 (the existing structure can realize the adjustment of the distance between the compression rollers and the adjustment of the running speed). A filtering device 38 for removing iron is further arranged between the granulating device 2 and the powder sieving device 3, and the filtering device 38 is a magnetic ring.
The embodiment also provides a granulation method of the battery anode powder granulation system, which specifically comprises the following steps,
the method comprises the following steps: suspending a manganese powder raw material bag and a graphite powder raw material bag in a ladle hanging room through an electric hoist, and then respectively throwing the manganese powder raw material bag and the graphite powder raw material bag into a manganese powder storage hopper and a graphite powder storage hopper;
step two: conveying manganese powder and graphite powder into a mixing barrel through a pipeline, adding an additive and electrolyte, uniformly stirring, conveying into a storage barrel, and conveying the raw materials into a tabletting device from the storage barrel for tabletting;
step three: after tabletting, conveying the materials into a crusher through a lifting device for crushing;
step four: feeding the crushed materials into a granulator for granulation, and then screening the obtained materials to obtain powder;
step five: after the powder is sieved, the qualified finished powder is conveyed to a finished powder circulation barrel to prepare for entering the next procedure, unqualified fine powder is recycled and enters a tabletting device for tabletting again, and unqualified coarse powder enters a crusher for crushing again and granulating.
The beneficial effect of this embodiment is: (1) the bale hanging room is connected with the dust suction device, raw material powder scattered in the bale hanging room can be collected and then conveyed into the mixing barrel through the recycled powder storage hopper for recycling, so that raw material resources are saved, and waste of raw materials is avoided; (2) a plurality of groups of compression rollers are arranged in the granulating device, each group of compression rollers is connected with an independent power adjusting structure, and each group of compression rollers can independently adjust the distance between the compression rollers and the running speed of the compression rollers according to requirements, so that anode powder materials with different required specifications can be rolled out, and the granulating device can meet the requirements of various processing; (3) the material loosening device is arranged in the feeding hopper, so that the accumulation of materials can be prevented, and the continuous operation of the tabletting device is ensured; (4) coarse materials which are still larger than the requirement after granulation directly enter the crusher through the coarse powder elevator and are then granulated again, and the coarse materials are refined, the coarse powder does not need to be tabletted any more, so that the water dispersion loss in returned materials is reduced, the uniformity of the water content of the anode materials is greatly ensured, the granulation effect and the grain yield are ensured, fine powder in the fine powder layer enters the tabletting machine through the fine powder elevator to be rolled and granulated again, and the finished powder directly enters the finished powder flow barrel.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a positive pole powder granulation system of battery which characterized in that: the device comprises a raw material mixing mechanism, a tabletting device, a granulating device and a powder sieving device which are sequentially connected, wherein the raw material mixing mechanism comprises a manganese powder storage hopper, a graphite powder storage hopper, an additive storage tank, an electro-hydraulic tank and a mixing barrel connected with the mechanisms, an outlet of the mixing barrel is connected with the mixture storage barrel, a stirring device is arranged in the mixing barrel, an outlet of the storage barrel is connected with the tabletting device, the tabletting device comprises a feeding hopper and a tablet press, a loosening device is arranged in the feeding hopper, an outlet of the feeding hopper is connected with the tablet press through a spiral pushing device, an outlet of the tablet press is connected with a crusher through a lifting device, the crusher is connected with the granulating device, a coarse powder layer, a finished powder layer and a fine powder layer are arranged in the powder sieving device through a sieve layer, the coarse powder layer is connected with the crusher through a coarse powder lifting machine, the fine powder layer is connected with the feeding hopper through a fine powder lifting machine, and connecting the finished powder layers into a finished powder flowing barrel.
2. The battery positive electrode powder granulation system according to claim 1, characterized in that: manganese powder storage hopper, graphite powder storage hopper connect two bale hanging rooms respectively, be equipped with manganese powder raw material package and graphite powder raw material package respectively through electric block in the bale hanging room.
3. The battery positive electrode powder granulation system according to claim 2, characterized in that: dust extraction is connected to the bale hanging room, raw materials mixing mechanism still includes retrieves the powder storage hopper for collect the raw materials powder of retrieving among the dust extraction, retrieve the powder storage hopper and connect the compounding bucket, it is equipped with the recovery powder batch charging case to retrieve powder storage hopper top.
4. The battery positive electrode powder granulation system according to claim 1, characterized in that: the stirring device comprises a stirring motor and two stirring shafts connected with the stirring motor, the stirring shafts are arranged on two side walls of the mixing barrel, and spiral stirring blades are arranged on the stirring shafts along shaft bodies.
5. The battery positive electrode powder granulation system according to claim 1, characterized in that: and a second stirring device is arranged in the mixture storage bucket, and the second stirring device and the loosening device respectively comprise a driving motor, a stirring rod connected with the driving motor and a stirring blade arranged on the stirring rod.
6. The battery positive electrode powder granulation system according to claim 1, characterized in that: the exit of tablet press is equipped with out the hopper to connect the breaker through hoisting device, the discharge end of middlings lifting machine corresponds go out the hopper, the discharge end of farine lifting machine corresponds go into the hopper, the middlings lifting machine with the discharge end of farine lifting machine all is equipped with the slide that is used for the ejection of compact.
7. The battery positive electrode powder granulation system according to claim 1, characterized in that: the granulating device comprises a barrel and a plurality of groups of compression rollers which are arranged in the barrel from top to bottom in sequence, and each group of compression rollers are correspondingly connected with an independent power adjusting mechanism.
8. The battery positive electrode powder granulation system according to claim 1, characterized in that: and a filtering device for removing impurities is also arranged between the granulating device and the powder sieving device.
9. The battery positive electrode powder granulation system according to claim 1, characterized in that: the powder sieving device is connected with the granulating device through an inverted Y-shaped pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023288272.6U CN215312151U (en) | 2020-12-31 | 2020-12-31 | Battery anode powder granulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023288272.6U CN215312151U (en) | 2020-12-31 | 2020-12-31 | Battery anode powder granulation system |
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| Publication Number | Publication Date |
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| CN215312151U true CN215312151U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023288272.6U Active CN215312151U (en) | 2020-12-31 | 2020-12-31 | Battery anode powder granulation system |
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| CN (1) | CN215312151U (en) |
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