CN214553359U

CN214553359U - Lithium salt automatic material conveying device

Info

Publication number: CN214553359U
Application number: CN202023221004.2U
Authority: CN
Inventors: 何杰
Original assignee: Nantong Qinghua Nano Materials Co ltd
Current assignee: Nantong Qinghua Nano Materials Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-02
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a lithium salt automatic material conveying device relates to electrolyte processing technology field, for solving one of the main materials of current lithium hexafluorophosphate material preparation lithium ion battery electrolyte among the prior art, and current lithium hexafluorophosphate adds the material mode and need can throw promptly according to current reaction process usefulness, so need the artifical problem of operating repeatedly, nevertheless there is certain potential safety hazard in lithium hexafluorophosphate material itself. The top of vacuum charging tank is provided with fixed closing cap, and fixed closing cap passes through bolted connection with the vacuum charging tank, the top of fixed closing cap is provided with vacuum pump assembly, and one side of vacuum pump assembly is provided with the conveying pipeline, the bottom of vacuum charging tank is provided with throws the charging bucket, and throws the charging bucket and set up to the integral type structure with the vacuum charging tank, the bottom of throwing the charging bucket is provided with first-order material collecting tank, and the bottom of first-order material collecting tank is provided with second order material collecting tank.

Description

Lithium salt automatic material conveying device

Technical Field

The utility model relates to an electrolyte processing technology field specifically is a lithium salt automatic material conveying device.

Background

Lithium battery electrolytes are carriers for ion transport in batteries. Generally consisting of a lithium salt and an organic solvent. The electrolyte plays a role in conducting ions between the positive electrode and the negative electrode of the lithium battery, and is a guarantee for the lithium battery to obtain the advantages of high voltage, high specific energy and the like. The electrolyte is prepared from high-purity organic solvent, electrolyte lithium salt, necessary additives and other raw materials according to a certain proportion under a certain condition.

However, the existing lithium hexafluorophosphate material is one of the main materials for preparing the lithium ion battery electrolyte, and the existing lithium hexafluorophosphate material adding mode needs to be put in according to the current reaction process, so that the manual repeated operation is needed, but the lithium hexafluorophosphate material has certain potential safety hazard; therefore, the existing requirements are not met, and an automatic lithium salt feeding device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium salt automatic material conveying device to solve one of the main materials of the current lithium hexafluorophosphate material preparation lithium ion battery electrolyte that proposes in the above-mentioned background art, and current lithium hexafluorophosphate adds the material mode and need can throw promptly according to current reaction process usefulness, so need the manual work to operate repeatedly, but lithium hexafluorophosphate material itself has the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic lithium salt feeding device comprises a vacuum feeding tank, wherein the top of the vacuum feeding tank is provided with a fixed sealing cover, the fixed sealing cover is connected with the vacuum feeding tank through a bolt, a vacuum pump assembly is arranged at the top of the fixed sealing cover, and one side of the vacuum pump component is provided with a feeding pipeline, the bottom of the vacuum feeding tank is provided with a feeding tank hopper, the feeding tank hopper and the vacuum feeding tank are arranged into an integrated structure, the bottom of the feeding tank hopper is provided with a first-order material collecting tank, and the bottom of the first-order material collecting tank is provided with a second-order material collecting tank which is connected with the feeding tank hopper and the second-order material collecting tank through flanges, and the outer surface of the first-order material collecting tank is provided with a valve control box, the feeding tank hopper is internally provided with a first material control valve sleeve, the inside of first order material collecting tank is provided with second accuse material valve barrel, and the inside of second order material collecting tank is provided with third accuse material valve barrel.

Preferably, the first material control valve sleeve, the second material control valve sleeve and the third material control valve sleeve all comprise valve body collars, and the first material control valve sleeve, the second material control valve sleeve and the third material control valve sleeve are electrically connected with the valve element control box.

Preferably, the valve body shaft collar passes through bolted connection with first-order collecting tank, throws the feed tank fill and second order collecting tank, the inside of valve body shaft collar is provided with automatically controlled valve plate, and automatically controlled valve plate has two.

Preferably, the electric control valve plate is arranged to be of a semicircular structure, the electric control valve plate is rotatably connected with the valve body shaft collar through a rotating shaft, and a gravity sensing module is arranged inside the electric control valve plate.

Preferably, the top of vacuum pump assembly is provided with exhaust duct, and the bottom of vacuum pump assembly is provided with the filter screen air inlet window, the filter screen air inlet window runs through the bottom surface that extends to fixed closing cap.

Preferably, the outer side of the fixed sealing cover is provided with a sealing hoop edge, the feeding pipeline extends to the inside of the vacuum feeding tank, and the bottom of the feeding pipeline is provided with a feeding valve.

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

1. the vacuum pump assembly is arranged at the top of the vacuum charging tank, the air in the tank body is pumped out through the vacuum pump assembly, and the temperature in the tank body is reduced along with the air in the tank body is pumped out, so that the lithium hexafluorophosphate material is prevented from being decomposed by contacting with the air, and the low-temperature drying effect can be realized;

2. the utility model discloses open the first accuse material valve barrel of throwing material jar fill bottom when throwing the material, make the material enter into first-order collecting tank, detect the weight of input material through the gravity induction module on the first-order collecting tank bottom second accuse material valve barrel this moment, open second accuse material valve barrel afterwards, make the material fall into second order collecting tank, detect the weight of input material through gravity induction module equally, later when throwing the material, throw the material into reation kettle with the second order collecting tank in the material earlier, then control first-order collecting tank whether throw the material and throw the material volume according to the reaction process, can ensure efficient reaction process and production efficiency like this.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the first-order material collecting tank of the present invention;

fig. 3 is a schematic view of the structure of the fixing cover of the present invention.

In the figure: 1. a vacuum charging tank; 2. a feeding tank hopper; 3. a first-order material collecting tank; 4. a second-order material collecting tank; 5. a valve element control box; 6. fixing a sealing cover; 7. a filter screen air inlet window; 8. a feed line; 9. a vacuum pump assembly; 10. an exhaust duct; 11. a first material control valve sleeve; 12. a second material control valve sleeve; 13. a third material control valve sleeve; 14. a valve body collar; 15. a gravity sensing module; 16. an electrically controlled valve plate; 17. sealing the hoop edge; 18. a feeding 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.

Referring to fig. 1-3, the present invention provides an embodiment: an automatic lithium salt feeding device comprises a vacuum feeding tank 1, wherein a fixed sealing cover 6 is arranged at the top of the vacuum feeding tank 1, the fixed sealing cover 6 is connected with the vacuum feeding tank 1 through a bolt, a vacuum pump assembly 9 is arranged at the top of the fixed sealing cover 6, air in the tank body is pumped out through the vacuum pump assembly 9, the temperature in the tank body is reduced along with the air in the tank body, therefore, lithium hexafluorophosphate materials are prevented from being in contact with and decomposing with the air, meanwhile, the low-temperature drying effect is achieved, a feeding pipeline 8 is arranged on one side of the vacuum pump assembly 9, a feeding tank hopper 2 is arranged at the bottom of the vacuum feeding tank 1, the feeding tank hopper 2 and the vacuum feeding tank 1 are arranged into an integral structure, a first-order material collecting tank 3 is arranged at the bottom of the feeding tank hopper 2, a second-order material collecting tank 4 is arranged at the bottom of the first-order material collecting tank 3, the first-order material collecting tank hopper 3, the feeding tank hopper 2 and the second-order material collecting tank 4 are connected through flanges, a valve control box 5 is arranged on the outer surface of the first-order material collecting tank 3, a first material control valve sleeve 11 is arranged in the feeding tank hopper 2, a second material control valve sleeve 12 is arranged in the first-order material collecting tank 3, a third material control valve sleeve 13 is arranged in the second-order material collecting tank 4, the first material control valve sleeve 11 at the bottom of the feeding tank hopper 2 is opened when feeding is carried out, so that the material enters the first-order material collecting tank 3, the weight of the fed material is detected by a gravity sensing module 15 on the second material control valve sleeve 12 at the bottom of the first-order material collecting tank 3, then the second material control valve sleeve 12 is opened, so that the material falls into the second-order material collecting tank 4, the weight of the fed material is detected by the gravity sensing module 15, then the material in the second-order material collecting tank 4 is fed into a reaction kettle firstly when feeding, then whether the feeding and the feeding amount of the first-order material collecting tank 3 are controlled according to the reaction process, thus, the efficient reaction process and production efficiency can be guaranteed.

Further, the first material control valve sleeve 11, the second material control valve sleeve 12 and the third material control valve sleeve 13 all include a valve body shaft collar 14, and the first material control valve sleeve 11, the second material control valve sleeve 12 and the third material control valve sleeve 13 are electrically connected with the valve element control box 5, so that the control operation is facilitated.

Further, valve body shaft collar 14 passes through bolted connection with first-order collecting tank 3, throws charging bucket 2 and second order collecting tank 4, and the inside of valve body shaft collar 14 is provided with automatically controlled valve plate 16, and automatically controlled valve plate 16 has two, and the gap size between automatically controlled valve plate 16 and the valve body shaft collar 14 can be adjusted through the turned angle of automatically controlled valve plate 16.

Further, the electronic control valve plate 16 is of a semicircular structure, the electronic control valve plate 16 is rotatably connected with the valve body shaft collar 14 through a rotating shaft, the gravity sensing module 15 is arranged inside the electronic control valve plate 16, and the weight of the material above the electronic control valve plate 16 is detected through the gravity sensing module 15.

Further, the top of vacuum pump assembly 9 is provided with exhaust duct 10, and the bottom of vacuum pump assembly 9 is provided with filter screen air inlet window 7, and filter screen air inlet window 7 runs through the bottom surface that extends to fixed closing cap 6, and filter screen air inlet window 7 can prevent that the material dust from entering into vacuum pump assembly 9's inside along with the air together, avoids causing the jam of vacuum pump assembly 9.

Further, the outside of fixed closing cap 6 is provided with sealed hoop limit 17, and conveying pipeline 8 extends to the inside of vacuum feeding tank 1, and the bottom of conveying pipeline 8 is provided with throws material valve 18, need open the material valve 18 of throwing of conveying pipeline 8 bottom when throwing into vacuum feeding tank 1 inside with lithium hexafluorophosphate material, and after the material transport, need will throw material valve 18 and close, guarantee jar internal leakproofness.

The working principle is as follows: when the lithium hexafluorophosphate material feeding device is used, when lithium hexafluorophosphate material is fed into the vacuum feeding tank 1, the feeding valve 18 at the bottom of the feeding pipeline 8 needs to be opened, after the material is conveyed, the feeding valve 18 needs to be closed to ensure the sealing property inside the tank body, then the air inside the tank body is pumped out through the vacuum pump assembly 9, the temperature inside the tank body is reduced along with the air inside the tank body is pumped out, so that the lithium hexafluorophosphate material is prevented from being in contact with the air and being decomposed, meanwhile, the low-temperature drying effect can be achieved, finally, the first material control valve sleeve 11 at the bottom of the feeding tank hopper 2 is opened to enable the material to enter the first-order material collecting tank 3, at the moment, the weight of the fed material is detected through the gravity sensing module 15 on the second material control valve sleeve 12 at the bottom of the first-order material collecting tank 3, then, the second material control valve sleeve 12 is opened to enable the material to fall into the second-order material collecting tank 4, the weight of the material is detected through the gravity sensing module 15, and then when the material is fed, the material in the second-order material collecting tank 4 is fed into the reaction kettle, and then whether the material is fed and the feeding amount of the first-order material collecting tank 3 is controlled according to the reaction process, so that the efficient reaction process and the production efficiency can be guaranteed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 salt automatic material conveying device, includes vacuum charging tank (1), its characterized in that: the device is characterized in that a fixed sealing cover (6) is arranged at the top of the vacuum feeding tank (1), the fixed sealing cover (6) is connected with the vacuum feeding tank (1) through bolts, a vacuum pump assembly (9) is arranged at the top of the fixed sealing cover (6), a feeding pipeline (8) is arranged on one side of the vacuum pump assembly (9), a feeding tank hopper (2) is arranged at the bottom of the vacuum feeding tank (1), the feeding tank hopper (2) and the vacuum feeding tank (1) are arranged into an integral structure, a first-order material collecting tank (3) is arranged at the bottom of the feeding tank hopper (2), a second-order material collecting tank (4) is arranged at the bottom of the first-order material collecting tank (3), the first-order material collecting tank (3) is connected with the feeding tank hopper (2) and the second-order material collecting tank (4) through flanges, a valve control box (5) is arranged on the outer surface of the first-order material collecting tank (3), a first material control valve sleeve (11) is arranged inside the feeding tank hopper (2), the inside of first order material collecting tank (3) is provided with second accuse material valve barrel (12), and the inside of second order material collecting tank (4) is provided with third accuse material valve barrel (13).

2. The automatic lithium salt feeding device according to claim 1, wherein: the first material control valve sleeve (11), the second material control valve sleeve (12) and the third material control valve sleeve (13) comprise valve body shaft rings (14), and the first material control valve sleeve (11), the second material control valve sleeve (12) and the third material control valve sleeve (13) are electrically connected with the valve piece control box (5).

3. The automatic lithium salt charging device according to claim 2, wherein: the valve body shaft collar (14) is connected with the first-order material collecting tank (3), the material feeding tank hopper (2) and the second-order material collecting tank (4) through bolts, the electric control valve plate (16) is arranged inside the valve body shaft collar (14), and the number of the electric control valve plates (16) is two.

4. The automatic lithium salt charging device according to claim 3, wherein: the electric control valve plate (16) is of a semicircular structure, the electric control valve plate (16) is rotatably connected with the valve body shaft collar (14) through a rotating shaft, and a gravity sensing module (15) is arranged inside the electric control valve plate (16).

5. The automatic lithium salt feeding device according to claim 1, wherein: the top of vacuum pump subassembly (9) is provided with exhaust duct (10), and the bottom of vacuum pump subassembly (9) is provided with filter screen air inlet window (7), filter screen air inlet window (7) run through the bottom surface that extends to fixed closing cap (6).

6. The automatic lithium salt feeding device according to claim 5, wherein: the outer side of the fixed sealing cover (6) is provided with a sealing hoop edge (17), the feeding pipeline (8) extends to the inside of the vacuum feeding tank (1), and the bottom of the feeding pipeline (8) is provided with a feeding valve (18).