CN215373206U

CN215373206U - Lithium cell electricity core steam drying device

Info

Publication number: CN215373206U
Application number: CN202120690051.7U
Authority: CN
Inventors: 李孝旻
Original assignee: Beidian Este Jiangsu Technology Co ltd
Current assignee: Beidian Este Jiangsu Technology Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-31
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a steam drying device for a lithium battery core, relates to the technical field of lithium batteries, and aims to solve the problem that the production efficiency is reduced because the water content of the battery core cannot be effectively reduced in the drying process of the conventional lithium battery core. The drying device comprises a back plate and is characterized in that a drying cylinder is arranged at the front end of the back plate, a steam jacket is arranged on the outer wall of the drying cylinder, an air outlet pipe is arranged on one side above the steam jacket, an air inlet pipe is arranged on one side below the steam jacket, a vacuum pump is arranged on one side below the drying cylinder, a fan is arranged on the other side of the drying cylinder, a dehumidifier is arranged below the fan, a supporting seat is arranged inside the drying cylinder, and a placing groove is arranged above the supporting seat.

Description

Lithium cell electricity core steam drying device

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a steam drying device for a lithium battery core.

Background

In the lithium ion battery industry, at present, over 90% of manufacturers adopt a non-aqueous process for the positive electrode, and most of manufacturers adopt a non-aqueous process for the negative electrode, so that the lithium ion battery manufacturers are required to strictly control the moisture of the positive and negative electrode materials, and the water content is generally required to be in ppm (parts per million). However, in each process of mixing, flaking, assembling and the like, the lithium ion battery cell is inevitably contacted with air, so that the moisture content exceeds the process requirement. Because the lithium ion battery has the advantages of high energy density, high average output voltage, quick charge and discharge, long service life, safety, reliability and the like, the application field of the lithium ion battery is continuously expanded, such as electronic products, automobiles, electric vehicles, aerospace, micro-electro-mechanical and energy storage and the like. The water content has great influence on SEI film, capacity, cycle performance, gas generation and the like, and is an important control parameter in the manufacturing process of lithium ion batteries. In order to ensure that the water content of the lithium ion battery cell meets the process requirements, lithium ion battery manufacturers can bake the cell before liquid injection so as to reduce the water content of the cell.

The water content of the conventional lithium battery cell cannot be effectively reduced in the drying process, so that the production efficiency is reduced; therefore, the existing requirements are not met, and a steam drying device for the lithium battery cell is provided for the existing requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steam drying device for a lithium battery cell, which aims to solve the problem that the production efficiency is reduced because the water content of the cell cannot be effectively reduced in the drying process of the conventional lithium battery cell proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium cell electricity core steam drying device, includes the backplate, the front end of backplate is provided with drying cylinder, be provided with steam jacket on drying cylinder's the outer wall, one side of steam jacket top is provided with the outlet duct, one side of steam jacket below is provided with the intake pipe, one side of drying cylinder below is provided with the vacuum pump, drying cylinder's opposite side is provided with the fan, the below of fan is provided with the dehumidifier, drying cylinder's inside is provided with the supporting seat, the top of supporting seat is provided with the standing groove.

Preferably, one side of the drying cylinder is provided with a sealing cover, and the sealing cover is connected with the drying cylinder in a sealing mode through a sealing ring.

Preferably, one side of the upper part of the drying cylinder is provided with a pressure gauge, and one side of the pressure gauge is provided with a pressure relief pipe.

Preferably, the fan, the dehumidifier and the vacuum pump are fixedly connected with the drying cylinder through pipelines, and the fan and the dehumidifier are fixedly connected through pipelines.

Preferably, the inside of supporting seat is provided with the spout, and the spout is provided with two, the standing groove passes through slider and spout sliding connection.

Preferably, one side of the placing groove is fixedly connected with the drying cylinder through a telescopic rod, and the other side of the placing groove is provided with a pull handle.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the steam jacket is arranged, the steam in the steam jacket can play an efficient role in drying the battery cell, the vacuum pump can pump the interior of the drying cylinder away in vacuum, so that the drying environment of the battery cell is safer, the pressure gauge is used for measuring the pressure of the drying cylinder, when the pressure is higher, the pressure can be relieved by opening the valve in the pressure relief pipe, so that the pressure in the drying cylinder is balanced, the dehumidifier can effectively dehumidify the moisture in the air, the air can be kept dry under the cooperation of the dehumidifier and the fan, and the battery cell can be effectively dried.

2. Through setting up the closing cap, the closing cap has played the thermal-insulated effect that keeps warm, and the sealing washer has good sealing performance, and the telescopic link has the effect of supporting, is convenient for utilize to draw and carries out the push-and-pull to the standing groove, through the cooperation of spout and slider for gliding more steady smooth and easy between standing groove and the supporting seat, improved production efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the drying cylinder of the present invention;

FIG. 3 is a side view of the supporting base of the present invention;

in the figure: 1. a back plate; 2. a drying cylinder; 3. a steam jacket; 4. an air inlet pipe; 5. an air outlet pipe; 6. a pressure gauge; 7. a pressure relief pipe; 8. sealing the cover; 9. a seal ring; 10. a vacuum pump; 11. a dehumidifier; 12. a fan; 13. a pipeline; 14. a supporting seat; 15. a slider; 16. a chute; 17. a placement groove; 18. pulling a handle; 19. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a lithium cell electricity core steam drying device, including backplate 1, the front end of backplate 1 is provided with drying cylinder 2, be provided with steam jacket 3 on drying cylinder 2's the outer wall, steam jacket 3 inside steam can play the efficient effect to the drying process of electric core, one side of steam jacket 3 top is provided with outlet duct 5, one side of steam jacket 3 below is provided with intake pipe 4, one side of drying cylinder 2 below is provided with vacuum pump 10, vacuum pump 10 can take out the inside vacuum of drying cylinder 2, make the drying environment of electric core safer, the opposite side of drying cylinder 2 is provided with fan 12, the below of fan 12 is provided with dehumidifier 11, dehumidifier 11 can effectively dehumidify the moisture in the air, make gas keep dry, the inside of drying cylinder 2 is provided with supporting seat 14, the top of supporting seat 14 is provided with standing groove 17.

Further, one side of the drying cylinder 2 is provided with a sealing cover 8, the sealing cover 8 is in sealing connection with the drying cylinder 2 through a sealing ring 9, the sealing cover 8 plays a role in heat preservation and heat insulation, and the sealing ring 9 has good sealing performance.

Further, one side of 2 tops of drying cylinder is provided with manometer 6, and one side of manometer 6 is provided with pressure release pipe 7, and manometer 6 is used for the pressure measurement of drying cylinder 2, and the accessible is opened the valve in the pressure release pipe 7 and is carried out the pressure release after pressure is great for 2 internal pressure balance of drying cylinder.

Further, the fan 12, the dehumidifier 11 and the vacuum pump 10 are all fixedly connected with the drying cylinder 2 through a pipeline 13, the fan 12 and the dehumidifier 11 are fixedly connected through a pipeline 13, and the pipeline 13 is convenient for the flowing and conveying of gas.

Further, the inside of supporting seat 14 is provided with spout 16, and spout 16 is provided with two, and standing groove 17 passes through

slider

15 and 16 sliding connection of spout, through the cooperation of spout 16 and slider 15 for gliding more steadily smoothly between standing groove 17 and the supporting seat 14.

Further, one side of the placing groove 17 is fixedly connected with the drying cylinder 2 through a telescopic rod 19, the other side of the placing groove 17 is provided with a pull handle 18, the telescopic rod 19 has a supporting effect, and the pull handle 18 is convenient to push and pull the placing groove 17.

The working principle is as follows: when the lithium battery drying device is used, firstly, the sealing cover 8 is opened, the placing groove 17 is pulled out of the drying cylinder 2 through the pull handle 18, the telescopic rod 19 has the supporting function, the pull handle 18 can conveniently push and pull the placing groove 17, the placing groove 17 and the supporting seat 14 can slide more stably and smoothly through the matching of the sliding groove 16 and the sliding block 15, then, lithium battery cells are sequentially placed in the placing groove 17 and then pushed into the drying cylinder 2, the sealing cover 8 is covered, the heat preservation and insulation effects are achieved, the sealing ring 9 has good sealing performance, through the arrangement of the steam jacket 3, steam in the steam jacket can effectively perform drying treatment on the cells, the vacuum pump 10 can vacuumize the inside of the drying cylinder 2, the drying environment of the cells is safer, the pressure gauge 6 is used for measuring the pressure of the drying cylinder 2, when the pressure is higher, the pressure can be relieved by opening a valve in the pressure relief pipe 7, the internal pressure of the drying cylinder 2 is balanced, the dehumidifier 11 can effectively dehumidify the moisture in the air, the air can be kept dry under the matching of the dehumidifier 11 and the fan 12, and the battery cell can be effectively dried.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lithium cell electricity core steam drying device, includes backplate (1), its characterized in that: the drying device is characterized in that a drying cylinder (2) is arranged at the front end of the back plate (1), a steam jacket (3) is arranged on the outer wall of the drying cylinder (2), an air outlet pipe (5) is arranged on one side above the steam jacket (3), an air inlet pipe (4) is arranged on one side below the steam jacket (3), a vacuum pump (10) is arranged on one side below the drying cylinder (2), a fan (12) is arranged on the other side of the drying cylinder (2), a dehumidifier (11) is arranged below the fan (12), a supporting seat (14) is arranged inside the drying cylinder (2), and a placing groove (17) is arranged above the supporting seat (14).

2. The steam drying device for the lithium battery cell of claim 1, characterized in that: one side of the drying cylinder (2) is provided with a sealing cover (8), and the sealing cover (8) is connected with the drying cylinder (2) in a sealing mode through a sealing ring (9).

3. The steam drying device for the lithium battery cell of claim 1, characterized in that: one side of drying cylinder (2) top is provided with manometer (6), one side of manometer (6) is provided with pressure release pipe (7).

4. The steam drying device for the lithium battery cell of claim 1, characterized in that: the fan (12), the dehumidifier (11) and the vacuum pump (10) are fixedly connected with the drying cylinder (2) through pipelines (13), and the fan (12) is fixedly connected with the dehumidifier (11) through the pipelines (13).

5. The steam drying device for the lithium battery cell of claim 1, characterized in that: the inside of supporting seat (14) is provided with spout (16), and spout (16) are provided with two, standing groove (17) pass through slider (15) and spout (16) sliding connection.

6. The steam drying device for the lithium battery cell of claim 1, characterized in that: one side of the placing groove (17) is fixedly connected with the drying cylinder (2) through a telescopic rod (19), and the other side of the placing groove (17) is provided with a pull handle (18).