CN211854633U

CN211854633U - Vacuum drying oven is used in lithium cell production

Info

Publication number: CN211854633U
Application number: CN201921293669.9U
Authority: CN
Inventors: 田勇光; 李一平
Original assignee: Anhui Xiangyuan New Energy Co ltd
Current assignee: Anhui Xiangyuan New Energy Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-11-03
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a vacuum drying oven is used in lithium cell production, the power distribution box comprises a box body, the inside of box is provided with electric heating pipe, electric heating pipe's upper and lower both sides fixedly connected with heat conduction aluminum plate, the left side wall of box is provided with the opening, be provided with the closing plate in the opening, electric heating pipe and heat conduction aluminum plate's left side tip and closing plate fixed connection. According to the vacuum drying box for producing the lithium battery cell, toxic gas generated in the drying process of the lithium battery cell in the box body is sucked into the filter box through the induced draft fan and the matching use of the air inlet cover and the air inlet, and then is introduced into the water storage tank through the exhaust pipe, so that the content of the toxic gas in the box body is reduced; through opening the shield, make electric telescopic handle promote filter screen seat rebound, first filter screen and second filter screen respectively with second leading wheel roll connection, the convenience is changed the processing to the filter screen, provides good environment to the vacuum drying of lithium cell.

Description

Vacuum drying oven is used in lithium cell production

Technical Field

The utility model belongs to the technical field of lithium cell production, concretely relates to vacuum drying oven is used in lithium cell production.

Background

The lithium battery cell is an important structure inside the lithium battery, and the lithium battery cell generally consists of a positive electrode material and a negative electrode material. The anode material comprises lithium nickelate, lithium manganate, tribasic lithium, lithium iron phosphate and the like, and the cathode material generally comprises an amorphous carbon material, a graphitized carbon material, a silicon-based material, a nitride, a novel alloy and the like.

At present in the in-process of lithium cell production, need carry out drying process, however the tradition is used for the vacuum drying device of lithium cell and can not carry out reasonable processing with produced toxic gas in the drying process, also is a pollution to the environment after discharging, is also a harm to the health by the human body after inhaling, consequently, in order to solve foretell problem, needs a vacuum drying cabinet for lithium cell production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum drying oven is used in lithium cell production to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum drying box for lithium battery core production comprises a box body, wherein an electric heating pipe is arranged inside the box body, heat-conducting aluminum plates are fixedly connected to the upper side and the lower side of the electric heating pipe, an opening is formed in the left side wall of the box body, a sealing plate is arranged in the opening, the electric heating pipe is fixedly connected with the end portion of the left side of the heat-conducting aluminum plate, an L-shaped frame is symmetrically welded to the inner wall of the box body, a first guide wheel is arranged at the top end of the L-shaped frame, a vacuum pump is arranged at the top end of the box body, a vacuum pipe is arranged on the right side of the vacuum pump and extends into the box body, an air inlet cover is arranged on the right side wall of the box body, an air inlet is arranged on the left side wall of the air inlet cover, a water box frame is, the welding has the diaphragm between the left side wall of storage water tank and the right side wall of box, the top of diaphragm is provided with the rose box, be connected with the conveyer pipe between rose box and the draught fan, be connected with the blast pipe between the bottom of draught fan and the top of storage water tank, the bottom fixedly connected with electric telescopic handle of diaphragm.

This setting is used for through the draught fan, is used by the cooperation of air inlet cover and air inlet again, inhales the rose box with produced toxic gas in the lithium cell drying process in the box in, introduces in the storage water tank by the blast pipe again to the content of toxic gas in the box has been reduced.

Preferably, the inner wall bottom of rose box is provided with the filter screen seat, the top of filter screen seat is provided with first filter screen and second filter screen respectively, the inner wall symmetry of rose box is provided with two second leading wheels, the top of rose box is provided with the shield, electric telescopic handle's flexible end runs through diaphragm and rose box in proper order, and electric telescopic handle's flexible end and the bottom fixed connection of filter screen seat.

This setting is used for through opening the shield, makes electric telescopic handle promote filter screen seat rebound, first filter screen and second filter screen respectively with second leading wheel roll connection, the convenience is changed the processing to the filter screen, provides good environment to the vacuum drying of lithium cell.

Preferably, the vacuum pipe is provided with a regulating valve, and the regulating valve is arranged on the right side of the vacuum pump.

Preferably, the top end and the bottom end of the inner wall of the opening are fixedly connected with rubber pads, the rubber pads are in contact with the edge of the sealing plate, and the left side wall of the sealing plate is welded with a handle.

This setting is used for the cooperation of rubber pad and closing plate to use, can prevent the leakage of poisonous gas in the box.

Preferably, the water tank frame is T-shaped, a drain valve is arranged in the water tank frame, and the drain valve is connected with the bottom of the water tank.

This arrangement is used to facilitate the replacement of contaminated water in the water tank.

Preferably, first filter screen is the HEPA filter screen, the second filter screen is the active carbon filter screen, the thickness of first filter screen and second filter screen equals.

The utility model discloses a technological effect and advantage: according to the vacuum drying box for producing the lithium battery cell, toxic gas generated in the drying process of the lithium battery cell in the box body is sucked into the filter box through the induced draft fan and the matching use of the air inlet cover and the air inlet, and then is introduced into the water storage tank through the exhaust pipe, so that the content of the toxic gas in the box body is reduced; through opening the shield, make electric telescopic handle promote filter screen seat rebound, first filter screen and second filter screen respectively with second leading wheel roll connection, the convenience is changed the processing to the filter screen, provides good environment to the vacuum drying of lithium cell.

Drawings

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

FIG. 2 is a schematic structural view of the filtering box of the present invention;

fig. 3 is an external view of the structure of the present invention.

In the figure: 1. a box body; 2. an electric heating tube; 3. a heat conducting aluminum plate; 4. an opening; 5. a sealing plate; 6. an L-shaped frame; 7. a first guide wheel; 8. a vacuum pump; 9. a vacuum tube; 10. an air intake hood; 11. adjusting a valve; 12. An air inlet; 13. a water tank frame; 14. a water storage tank; 15. an induced draft fan; 16. a transverse plate; 17. a filter box; 171. a filter screen seat; 172. a first filter screen; 173. a second filter screen; 174. a second guide wheel; 175. a dust cover; 18. a delivery pipe; 19. an exhaust pipe; 20. an electric telescopic rod; 21. a rubber pad; 22. a handle; 23. a blowoff valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a vacuum drying box for lithium cell production as shown in figures 1-3, which comprises a box body 1, wherein an electric heating pipe 2 is arranged inside the box body 1, heat-conducting aluminum plates 3 are fixedly connected with the upper side and the lower side of the electric heating pipe 2, the left side wall of the box body 1 is provided with an opening 4, a sealing plate 5 is arranged in the opening 4, the left side end parts of the electric heating pipe 2 and the heat-conducting aluminum plates 3 are fixedly connected with the sealing plate 5, an L-shaped frame 6 is symmetrically welded on the inner wall of the box body 1, the top end of the L-shaped frame 6 is provided with a first guide wheel 7, the top end of the box body 1 is provided with a vacuum pump 8, the right side of the vacuum pump 8 is provided with a vacuum pipe 9, the vacuum pipe 9 extends to the inside of the box body 1, the right side wall of the box body, the right side of box 1 is provided with water tank frame 13, the top of water tank frame 13 is provided with storage water tank 14, storage water tank 14's top is provided with draught fan 15, the welding has diaphragm 16 between storage water tank 14's the left side wall and the right side wall of box 1, the top of diaphragm 16 is provided with rose box 17, be connected with conveyer pipe 18 between rose box 17 and the draught fan 15, be connected with blast pipe 19 between the bottom of draught fan 15 and the top of storage water tank 14, the bottom fixedly connected with electric telescopic handle 20 of diaphragm 16.

Specifically, the inner wall bottom of rose box 17 is provided with filter screen seat 171, the top of filter screen seat 171 is provided with first filter screen 172 and second filter screen 173 respectively, the inner wall symmetry of rose box 17 is provided with two second leading wheels 174, the top of rose box 17 is provided with shield 175, the flexible end of electric telescopic handle 20 runs through diaphragm 16 and rose box 17 in proper order, and electric telescopic handle 20's flexible end and filter screen seat 171's bottom fixed connection.

Specifically, the vacuum tube 9 is provided with an adjusting valve 11, and the adjusting valve 11 is arranged at the right side of the vacuum pump 8.

Specifically, the top end and the bottom end of the inner wall of the opening 4 are fixedly connected with a rubber pad 21, the rubber pad 21 contacts with the edge of the sealing plate 5, and a handle 22 is welded on the left side wall of the sealing plate 5.

Specifically, the water tank frame 13 is in a T shape, a drain valve 23 is arranged in the water tank frame 13, and the drain valve 23 is connected with the bottom of the water tank 14.

Specifically, first filter screen 172 is the HEPA filter screen, second filter screen 173 is the active carbon filter screen, first filter screen 172 equals with second filter screen 173's thickness.

The electrical components presented herein are all electrically connected to the external 220V mains.

When the vacuum drying box for producing the lithium battery cell is used, the heat-conducting aluminum plate 3 is moved out from the opening 4 by moving the handle 22 and matching with the first guide wheel 7, so that the lithium battery cell is conveniently placed on the heat-conducting aluminum plate 3 and matched with the electric heating tube 2, and the lithium battery cell is dried; vacuum treatment is carried out on the interior of the box body 1 by matching with a vacuum tube 9 under the action of a vacuum pump 8; toxic gas generated in the drying process of the lithium battery cell in the box body 1 is sucked into the filter box 17 through the draught fan 15 and the matching use of the air inlet cover 10 and the air inlet 12, and then is introduced into the water storage tank 14 through the exhaust pipe 19, so that the content of the toxic gas in the box body 1 is reduced; through opening shield 175, make electric telescopic handle 20 promote filter screen seat 171 rebound, first filter screen 172 and second filter screen 173 respectively with second leading wheel 174 roll connection, conveniently change the processing to the filter screen, provide good environment to the vacuum drying of lithium cell.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vacuum drying oven is used in lithium cell production, includes box (1), its characterized in that: the electric heating device is characterized in that an electric heating pipe (2) is arranged in the box body (1), heat-conducting aluminum plates (3) are fixedly connected to the upper side and the lower side of the electric heating pipe (2), an opening (4) is formed in the left side wall of the box body (1), a sealing plate (5) is arranged in the opening (4), the left end portions of the electric heating pipe (2) and the heat-conducting aluminum plates (3) are fixedly connected with the sealing plate (5), an L-shaped frame (6) is symmetrically welded to the inner wall of the box body (1), a first guide wheel (7) is arranged at the top end of the L-shaped frame (6), a vacuum pump (8) is arranged at the top end of the box body (1), a vacuum pipe (9) is arranged on the right side of the vacuum pump (8), the vacuum pipe (9) extends into the box body (1), an air inlet cover (10) is arranged on the right side wall of the, the right side of box (1) is provided with water tank frame (13), the top of water tank frame (13) is provided with storage water tank (14), the top of storage water tank (14) is provided with draught fan (15), the welding has diaphragm (16) between the left side wall of storage water tank (14) and the right side wall of box (1), the top of diaphragm (16) is provided with rose box (17), be connected with conveyer pipe (18) between rose box (17) and draught fan (15), be connected with blast pipe (19) between the bottom of draught fan (15) and the top of storage water tank (14), the bottom fixedly connected with electric telescopic handle (20) of diaphragm (16).

2. The vacuum drying oven for producing the lithium battery cell of claim 1, characterized in that: the inner wall bottom of rose box (17) is provided with filter screen seat (171), the top of filter screen seat (171) is provided with first filter screen (172) and second filter screen (173) respectively, the inner wall symmetry of rose box (17) is provided with two second leading wheels (174), the top of rose box (17) is provided with shield (175), the flexible end of electric telescopic handle (20) runs through diaphragm (16) and rose box (17) in proper order, and the flexible end of electric telescopic handle (20) and the bottom fixed connection of filter screen seat (171).

3. The vacuum drying oven for producing the lithium battery cell of claim 1, characterized in that: the vacuum pipe (9) is provided with an adjusting valve (11), and the adjusting valve (11) is arranged on the right side of the vacuum pump (8).

4. The vacuum drying oven for producing the lithium battery cell of claim 1, characterized in that: the top end of the inner wall of the opening (4) is fixedly connected with a rubber pad (21) at the bottom end, the rubber pad (21) is in edge contact with the sealing plate (5), and a handle (22) is welded on the left side wall of the sealing plate (5).

5. The vacuum drying oven for producing the lithium battery cell of claim 1, characterized in that: the water tank frame (13) is T-shaped, a blow-down valve (23) is arranged in the water tank frame (13), and the blow-down valve (23) is connected with the bottom of the water storage tank (14).

6. The vacuum drying oven for producing the lithium battery cell of claim 2, characterized in that: first filter screen (172) are the HEPA filter screen, second filter screen (173) are the active carbon filter screen, the thickness of first filter screen (172) and second filter screen (173) equals.