CN210862056U - Ventilating, sweeping and stirring device for lithium ion battery anode material drying machine and drying machine with ventilating, sweeping and stirring device - Google Patents
Ventilating, sweeping and stirring device for lithium ion battery anode material drying machine and drying machine with ventilating, sweeping and stirring device Download PDFInfo
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- CN210862056U CN210862056U CN201921603098.4U CN201921603098U CN210862056U CN 210862056 U CN210862056 U CN 210862056U CN 201921603098 U CN201921603098 U CN 201921603098U CN 210862056 U CN210862056 U CN 210862056U
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Abstract
The utility model discloses a ventilating and sweeping stirring device for lithium ion battery anode material drying machine and drying machine thereof, including the stirring rake, (mixing) shaft, sliding ring piece and inlet line, the axial is provided with the (mixing) shaft air flue in the (mixing) shaft, this (mixing) shaft and sliding ring piece are sealed to be slipped, be provided with the sliding ring piece air flue in the sliding ring piece, the one end of (mixing) shaft air flue and the one end intercommunication of sliding ring piece air flue, the other end and the inlet line intercommunication of sliding ring piece air flue, the upside that the (mixing) shaft is located the stirring rake still is provided with the (mixing) shaft air flue of delivery outlet orientation stirring rake, the (mixing) shaft air. The utility model discloses a design of the channel design in stirring rake inside hole and valves, low-pressure gas gets into the desiccator circulation when effectual realization is dry and improves drying efficiency.
Description
Technical Field
The utility model relates to a drying equipment technical field especially relates to a ventilating and sweeping stirring device and desiccator for lithium ion battery cathode material desiccator.
Background
At present, in the field of lithium ion power batteries, in order to ensure the quality of the high-nickel ternary lithium ion battery anode material, a vacuum dryer is required to be used in the production process of a precursor raw material and the high-nickel ternary lithium ion battery anode material so as to ensure that the material is not introduced by foreign matters in the dryer to react, and further, a stirring device is usually arranged in the vacuum dryer and used for hanging materials during blanking or improving the drying efficiency.
Chinese patent CN110131982A discloses a vacuum dryer suitable for drying lithium ion battery anode material and an application method thereof, the vacuum dryer can effectively improve the stirring dispersion uniformity of lithium ion battery anode material particles, improve drying efficiency and shorten drying time through the special design of the stirring paddle structure.
However, there may still be the following areas that need further improvement: (1) the field application shows that the residual materials on the paddle and the bottom of the stirring paddle of the drying machine are too much, and the blanking is not sufficient; (2) no gas convection exists in the cylinder body, and the drying efficiency is further improved; (3) and if wet spray coating is required, the existing structure is difficult to realize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilating and sweeping stirring device for lithium ion battery anode material desiccator and desiccator thereof to solve above-mentioned problem.
For realizing the above-mentioned purpose, the utility model discloses an at first, a agitating unit sweeps that ventilates for lithium ion battery cathode material desiccator, including stirring rake, (mixing) shaft, slip ring piece and air inlet pipeline, the axial is provided with the (mixing) shaft air flue in the (mixing) shaft, this (mixing) shaft with the slip ring piece is sealed to be had a sliding connection, be provided with the slip ring piece air flue in the slip ring piece, the one end of (mixing) shaft air flue with the one end intercommunication of slip ring piece air flue, the other end of slip ring piece air flue with air inlet pipeline intercommunication, the (mixing) shaft is located the upside of stirring rake still is provided with the (mixing) shaft air flue of delivery outlet orientation stirring rake, the (mixing) shaft air flue with.
Further, be provided with stirring rake purge air flue in the stirring rake, the one end of stirring rake purge air flue with the (mixing) shaft air flue intercommunication, the other end is provided with the orientation the delivery outlet of the barrel inner wall of desiccator.
Furthermore, the stirring shaft air flue is a stirring shaft through hole which is arranged in a run-through manner, and plugs are arranged at two ends of the stirring shaft through hole.
Furthermore, the stirring shaft comprises a plurality of sectional shafts, connecting flanges are arranged at the positions where the sectional shafts are connected with each other, and the connecting flanges are connected in a detachable sealing mode.
Further, the stirring paddle sweeping air passage is a stirring paddle sweeping hole penetrating through the stirring shaft air passage, the stirring shaft air passage is a stirring shaft sweeping hole radially penetrating through the stirring shaft air passage, nozzles are installed at the output ports of the stirring paddle sweeping hole and the stirring shaft sweeping hole, and the output port of each nozzle is inclined downwards by 15-50 degrees.
Furthermore, the upper end of the stirring shaft is provided with a through hole penetrating through the air passage of the stirring shaft, the slip ring block and/or the stirring shaft is/are provided with an annular groove communicated with the through hole, the air passage of the slip ring block is communicated with the annular groove, a sealing ring is arranged between the slip ring block and the stirring shaft, and the sealing ring is positioned on two sides of the annular groove.
Furthermore, the air inlet pipeline comprises a purging pipeline, the purging pipeline comprises a gas pressure regulating valve, a purging pneumatic valve and a purging flowmeter, the output end of the gas pressure regulating valve is connected with the input end of the purging flowmeter, the output end of the purging flowmeter is connected with the input end of the purging pneumatic valve, and the output end of the purging pneumatic valve is connected with the air passage of the slip ring block.
The air inlet pipeline is connected with the air inlet pipeline, and the air inlet pipeline is connected with the slip ring block air passage.
The device further comprises a coating liquid pipeline, wherein the coating liquid pipeline comprises a coating liquid pressure regulating valve, a coating liquid pneumatic valve and a coating liquid flowmeter, the output end of the coating liquid pressure regulating valve is connected with the input end of the coating liquid flowmeter, the output end of the coating liquid flowmeter is connected with the input end of the coating liquid pneumatic valve, and the output end of the coating liquid pneumatic valve is connected with the air passage of the sliding ring block.
Then, the utility model discloses a be used for anodal material desiccator of lithium ion battery, including above-mentioned arbitrary scheme be used for ventilating of anodal material desiccator of lithium ion battery sweep agitating unit.
Compared with the prior art, the utility model has the advantages of:
1. the utility model effectively realizes that low-pressure gas enters the drier for circulation when drying through the channel design of the inner hole of the stirring paddle and the design of the valve group, thereby improving the drying efficiency;
2. the utility model discloses a design of the passageway in stirring rake internal hole and the design of valves, high-pressure gas gets into the desiccator during unloading and realizes sweeping of remaining material, has reduced the residual amount of material, has improved the dry finished product volume of product to the cost has been practiced thrift;
3. the utility model can ensure that the coating liquid enters the drier to coat the material before drying through the channel design of the inner hole of the stirring paddle and the design of the valve group;
4. the utility model discloses an entire system adopts automatic control, convenient operation, and convenient to popularize and apply.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of a ventilating, purging and stirring device for a lithium ion battery positive material dryer disclosed in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at C;
FIG. 3 is a schematic sectional view A-A of FIG. 1;
FIG. 4 is a schematic sectional view B-B of FIG. 1.
Illustration of the drawings:
1. a stirring paddle; 2. a stirring shaft; 3. a slip ring block; 4. an air intake line; 5. an air passage of the stirring shaft; 6. a slip ring block air passage; 7. the stirring shaft blows the air passage; 8. the stirring paddle blows the air passage; 9. the inner wall of the cylinder body; 10. a plug; 11. a segmented shaft; 12. a connecting flange; 13. a spray head; 14. switching the hole; 15. an annular groove; 16. a seal ring; 17. purging the pipeline; 18. a gas pressure regulating valve; 19. purging the pneumatic valve; 20. purging the flow meter; 21. a preheater; 22. a liquid-covered pipeline; 23. a coating liquid pressure regulating valve; 24. a cladding fluid pneumatic valve; 25. a cladding fluid flow meter; 26. a manual valve; 27. a bolt; 28. a pipe joint; 29. a preheating pipeline.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1-4, the embodiment of the present invention firstly discloses a ventilating, purging and stirring device for a lithium ion battery anode material dryer, which comprises a stirring paddle 1, a stirring shaft 2, a slip ring block 3 and an air inlet pipeline 4, wherein a stirring shaft air passage 5 is axially arranged in the stirring shaft 2, the stirring shaft 2 is in sealed sliding connection with an inner hole of the slip ring block 3 to form a rotary joint structure, a slip ring block air passage 6 is arranged in the slip ring block 3, one end of the stirring shaft air passage 5 is communicated with one end of the slip ring block air passage 6, the other end of the slip ring block air passage 6 is communicated with the air inlet pipeline 4, the stirring shaft 2 is also provided with a stirring shaft purging air passage 7 with an output port facing the stirring paddle 1 at the upper side of the stirring paddle 1, the stirring shaft purging air passage 7 is communicated with the stirring shaft air passage 5, and the stirring shaft 2 can, slip ring piece 3 keeps static relatively to be convenient for air inlet pipeline 4 comes in with gas transport, then blows gas to stirring rake 1 through (mixing) shaft scavenging air way 7, thereby blows off the incomplete material on the stirring rake 1, makes the unloading more abundant in the desiccator. Further, in this implementation, be provided with stirring rake purge air flue 8 in the stirring rake 1, stirring rake purge air flue 8's one end and (mixing) shaft air flue 5 intercommunication, the other end is provided with the delivery outlet towards the barrel inner wall 9 of desiccator to blow away the material of barrel inner wall 9 (mainly for the corner department of barrel), further improve the unloading effect in the desiccator.
In particular, for the drilling of (mixing) shaft air flue 5 of convenience, (mixing) shaft air flue 5 is for lining up the (mixing) shaft through-hole that sets up at the center, adopt drilling processing, wherein the both ends of (mixing) shaft through-hole are provided with end cap 10, end cap 10 and (mixing) shaft through-hole threaded connection, and simultaneously, consider that 2 axial dimensions of (mixing) shaft increase, the (mixing) shaft through-hole is darker to be unfavorable for drilling processing, (mixing) shaft 2 includes that a plurality of segmentation axle 11 make up and forms, 11 interconnect's of segmentation axle position is provided with flange 12, adjacent flange 12 passes through bolt 27 detachable connection, and simultaneously, in order to guarantee the sealing performance of the 12 connection faces of sealing flange, be provided with sealing washer 16 on.
In this embodiment, the stirring paddle purge air passage 8 is a stirring paddle purge hole radially penetrating through the stirring shaft air passage 5 along the stirring shaft 2, the stirring shaft purge air passage 7 is a stirring shaft purge hole radially penetrating through the stirring shaft air passage 5, nozzles 13 are installed on the output port threads of the stirring paddle purge hole and the stirring shaft purge hole, different gas output modes can be selected by selecting appropriate nozzles 13, the output port of each nozzle 13 is inclined downwards by 15-50 degrees, and specifically faces the middle position of the stirring paddle 1.
At the sliding connection position of (mixing) shaft 2 and sliding ring piece 3, the upper end of (mixing) shaft 2 is provided with the switching hole 14 that radially link up to (mixing) shaft air flue 5, be provided with the annular groove 15 with switching hole 14 intercommunication on sliding ring piece 3 and/or the (mixing) shaft 2, sliding ring piece air flue 6 and annular groove 15 intercommunication, thereby gaseous follow sliding ring piece air flue 6 (the input port of sliding ring piece air flue 6 is provided with coupling 28) get into behind the annular groove 15, gaseous meeting hoop distribution is on (mixing) shaft 2, thereby switching hole 14 turns to any angle and can guarantee gaseous input, be provided with sealing washer 16 between sliding ring piece 3 and the (mixing) shaft 2, sealing washer 16 is located the both sides of annular groove 15, thereby prevent that gaseous from the upper and lower side of sliding ring.
In the present embodiment, the air intake line 4 includes a purge line 17 (the connected air pipe is not labeled), the purge line 17 includes a gas pressure regulating valve 18, a purge valve 19 and a purge flow meter 20, the output end of the gas pressure regulating valve 18 is connected to the input end of the purge flow meter 20, the output end of the purge flow meter 20 is connected to the input end of the purge valve 19, and the output end of the purge valve 19 is connected to the slip ring gas passage 6, so that the automatic control of the intake air through the purge valve 19 can be realized. Further, in order to accelerate the drying efficiency, the drying device further comprises a preheater 21, an input end of the preheater 21 is connected with the air inlet pipeline 4, an output end of the preheater 21 is connected with the slip ring block air passage 6, the preheater 21 can be connected in series with the purging pipeline 17 or arranged on a preheating pipeline 29 which is connected in parallel with the purging pipeline 17, the preheating pipeline 29 is also provided with a gas pressure regulating valve 18, a purging valve 19 and a purging flowmeter 20 which are used for automatic flow control detection, and input ends of the preheating pipeline 29 and the purging pipeline 17 are also provided with a manual valve 26 which can simultaneously open and close the preheating pipeline 29 and the purging pipeline 17.
In this embodiment, the wet coating of the battery material is realized by the stirring device, and specifically, the wet coating device further comprises a coating liquid pipeline 22 (the connected hydraulic pipe is not labeled), the coating liquid pipeline 22 comprises a coating liquid pressure regulating valve 23, a coating liquid pneumatic valve 24 and a coating liquid flow meter 25, the output end of the coating liquid pressure regulating valve 23 is connected with the input end of the coating liquid flow meter 25, the output end of the coating liquid flow meter 25 is connected with the input end of the coating liquid pneumatic valve 24, and the output end of the coating liquid pneumatic valve 24 is connected with the slip ring air passage 6. The specific working process of wet coating is as follows:
after the materials enter the dryer, the stirring shaft 2 rotates, the manual valve 26 is opened, the blowing and scavenging valve 19 of the preheating pipeline 29 and the scavenging pipeline 17 is closed, the cladding liquid pneumatic valve 24 is opened, cladding liquid reaches the spray head 13 through the sliding ring block 3 and then through the stirring shaft air passage 5 to be mixed with the materials, after the metering of the cladding liquid flow meter 25 reaches the required set amount, the cladding liquid pneumatic valve 24 is closed, the purging and scavenging valve 19 of the preheating pipeline 29 is opened, the pressure of the gas is regulated to be about 0.05mpa through the gas pressure regulating valve 18, the amount of the entering air is controlled through the purging and flow meter 20 (for reducing the load of a dust remover), the preheated gas is fully contacted with the materials from the spray head 13 of the stirring paddle 1 after being preheated by the preheater 21, the materials are rapidly dried under the condition that hot air flows, and after the drying of the materials is completed, the blanking valve of the dryer is opened. After a period of blanking, when no material is discharged from the discharge port, the blowing and scavenging valve 19 and the cladding liquid pneumatic valve 24 of the preheating pipeline 29 are closed, the blowing and scavenging valve 19 of the purging pipeline 17 is opened, the pressure of the gas is regulated to about 0.4mpa through the gas pressure regulating valve 18, the amount of the air entering is controlled through the purging and flow meter 20 (certain positive pressure is prevented from being formed in the dryer), then the gas enters the stirring paddle 1 and is sprayed out through the spray head 13 on the stirring paddle, and the material remained on the paddle and the material at the dead angle of the cylinder are completely sprayed.
Then, the utility model discloses a be used for anodal material desiccator of lithium ion battery, the agitating unit that sweeps is ventilated that is used for anodal material desiccator of lithium ion battery including the scheme of above-mentioned embodiment.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A ventilation purging and stirring device for a lithium ion battery anode material dryer is characterized by comprising a stirring paddle (1), a stirring shaft (2), a slip ring block (3) and an air inlet pipeline (4), wherein a stirring shaft air passage (5) is axially arranged in the stirring shaft (2), the stirring shaft (2) is in sealing sliding connection with the slip ring block (3), a slip ring block air passage (6) is arranged in the slip ring block (3), one end of the stirring shaft air passage (5) is communicated with one end of the slip ring block air passage (6), the other end of the slip ring block air passage (6) is communicated with the air inlet pipeline (4), the stirring shaft (2) is positioned on the upper side of the stirring paddle (1) and is also provided with a stirring shaft blowing air passage (7) with an output port facing the stirring paddle (1), the stirring shaft sweeping air passage (7) is communicated with the stirring shaft air passage (5).
2. The ventilation, purging and stirring device for the lithium ion battery positive electrode material drying machine as claimed in claim 1, wherein a stirring paddle purging air passage (8) is arranged in the stirring paddle (1), one end of the stirring paddle purging air passage (8) is communicated with the stirring shaft air passage (5), and the other end of the stirring paddle purging air passage is provided with an output port facing the inner wall (9) of the cylinder of the drying machine.
3. The ventilation, purging and stirring device for the lithium ion battery cathode material drying machine as claimed in claim 2, wherein the stirring shaft air passage (5) is a stirring shaft through hole which is arranged in a penetrating manner, and plugs (10) are arranged at two ends of the stirring shaft through hole.
4. The ventilation purging and stirring device for the lithium ion battery positive electrode material dryer as claimed in claim 3, wherein the stirring shaft (2) comprises a plurality of sectional shafts (11), connecting flanges (12) are arranged at the positions where the sectional shafts (11) are connected with each other, and the adjacent connecting flanges (12) are detachably and hermetically connected.
5. The ventilation, purging and stirring device for the lithium ion battery cathode material drying machine according to claim 3, wherein the stirring paddle purging air passage (8) is a stirring paddle purging hole penetrating through the stirring shaft air passage (5), the stirring shaft air passage (5) is a stirring shaft purging hole radially penetrating through the stirring shaft air passage (5), the outlets of the stirring paddle purging hole and the stirring shaft purging hole are provided with nozzles (13), and the outlet of each nozzle (13) is inclined downwards by 15-50 degrees.
6. The ventilation, purging and stirring device for the lithium ion battery positive electrode material dryer as claimed in any one of claims 1 to 5, wherein a transfer hole (14) penetrating to a transfer shaft air passage (5) is formed at the upper end of the transfer shaft (2), an annular groove (15) communicated with the transfer hole (14) is formed in the slip ring block (3) and/or the transfer shaft (2), the slip ring block air passage (6) is communicated with the annular groove (15), a sealing ring (16) is arranged between the slip ring block (3) and the transfer shaft (2), and the sealing ring (16) is located on two sides of the annular groove (15).
7. The ventilation purging and stirring device for the lithium ion battery positive electrode material drying machine as claimed in any one of claims 1 to 5, wherein the air inlet pipeline (4) comprises a purging pipeline (17), the purging pipeline (17) comprises a gas pressure regulating valve (18), a purging pneumatic valve (19) and a purging flow meter (20), the output end of the gas pressure regulating valve (18) is connected with the input end of the purging flow meter (20), the output end of the purging flow meter (20) is connected with the input end of the purging pneumatic valve (19), and the output end of the purging pneumatic valve (19) is connected with the slip ring block air passage (6).
8. The ventilation purging and stirring device for the lithium ion battery positive electrode material drying machine as claimed in claim 7, characterized by further comprising a preheater (21), wherein the input end of the preheater (21) is connected with the air inlet pipeline (4), and the output end of the preheater is connected with the slip ring block air passage (6).
9. The aeration purging and stirring device for the lithium ion battery positive electrode material dryer according to claim 8, further comprising a coating liquid pipeline (22), wherein the coating liquid pipeline (22) comprises a coating liquid pressure regulating valve (23), a coating liquid pneumatic valve (24) and a coating liquid flow meter (25), an output end of the coating liquid pressure regulating valve (23) is connected with an input end of the coating liquid flow meter (25), an output end of the coating liquid flow meter (25) is connected with an input end of the coating liquid pneumatic valve (24), and an output end of the coating liquid pneumatic valve (24) is connected with the slip ring block air passage (6).
10. A dryer for lithium ion battery anode material, which is characterized in that the dryer comprises the aeration, purging and stirring device for the dryer for lithium ion battery anode material as claimed in any one of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603098.4U CN210862056U (en) | 2019-09-25 | 2019-09-25 | Ventilating, sweeping and stirring device for lithium ion battery anode material drying machine and drying machine with ventilating, sweeping and stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603098.4U CN210862056U (en) | 2019-09-25 | 2019-09-25 | Ventilating, sweeping and stirring device for lithium ion battery anode material drying machine and drying machine with ventilating, sweeping and stirring device |
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| Publication Number | Publication Date |
|---|---|
| CN210862056U true CN210862056U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921603098.4U Active CN210862056U (en) | 2019-09-25 | 2019-09-25 | Ventilating, sweeping and stirring device for lithium ion battery anode material drying machine and drying machine with ventilating, sweeping and stirring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4239266A1 (en) * | 2022-03-04 | 2023-09-06 | Dae Sung Machinery Co., Ltd. | Cathode material integrated processing device |
| EP4239265A1 (en) * | 2022-03-04 | 2023-09-06 | Dae Sung Machinery Co., Ltd. | Cathode material integrated processing device |
-
2019
- 2019-09-25 CN CN201921603098.4U patent/CN210862056U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4239266A1 (en) * | 2022-03-04 | 2023-09-06 | Dae Sung Machinery Co., Ltd. | Cathode material integrated processing device |
| EP4239265A1 (en) * | 2022-03-04 | 2023-09-06 | Dae Sung Machinery Co., Ltd. | Cathode material integrated processing device |
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Address after: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: BASF Shanshan battery material Co.,Ltd. Address before: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee before: Hunan Shanshan Energy Technology Co.,Ltd. Address after: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Shanshan Energy Technology Co.,Ltd. Address before: 17-8 Lu Gu Lu Tian Lu, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN SHANSHAN ENERGY TECHNOLOGY Co.,Ltd. |