CN219002280U

CN219002280U - Lithium battery coating slurry processing system

Info

Publication number: CN219002280U
Application number: CN202223191427.3U
Authority: CN
Inventors: 卢文勇; 王兵; 吴德; 甄巍; 谭周禄; 陈乐�
Original assignee: Zhongbei Runliang New Energy Jining Co ltd
Current assignee: Zhongbei Runliang New Energy Jining Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-12
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a lithium battery coating slurry treatment system, which belongs to the field of lithium battery surface coating, and comprises a stirring tank, wherein the stirring tank is sequentially connected with a transfer tank and a buffer tank; the utility model is convenient for the installation and replacement of the filter element, and simultaneously can ensure the connection tightness of the filter element and the base, thereby avoiding the phenomenon of leakage of paddles caused by poor stability.

Description

Lithium battery coating slurry processing system

Technical Field

The utility model relates to the field of lithium battery surface coating, in particular to a lithium battery coating slurry treatment system.

Background

The lithium ion battery has the advantages of high voltage, high energy, multiple times of recycling, long storage time and the like, and is widely applied to portable electronic equipment, large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like.

In the field of new energy, in the 18650 lithium battery production process industry, a coating process is an important link in the lithium ion battery production process, wherein the surface density of the coating process affects the battery capacity and the voltage consistency performance. However, in the prior art, the phenomenon of coating scratch particles on the surface of a lithium battery caused by a coating process influences the capacity and voltage consistency of the lithium battery. Therefore, a one-step fine filtration step is required before the coating operation of the lithium battery paste.

In the prior art, the utility model patent with the application number of 2019209011546 discloses an RK single-core filter, which changes the problems of poor slurry fluidity and poor cleaning at the elbow caused by the phenomenon that the inlet and the outlet of the existing filter are elbows through the connection relation between a feeding channel and a feeding hole in a substrate and the connection relation between a discharging channel and a discharging hole. However, structures such as the above also have the following problems: the convenience of installation and the tightness of connection are considered in the connection of the filter element and the base to avoid leakage of paddles, and the filter equipment in the prior art has difficulty in achieving the two effects.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the lithium battery coating slurry treatment system which is convenient for the installation and replacement of the filter element and can ensure the connection tightness of the filter element and the base at the same time, thereby avoiding the phenomenon of leakage caused by poor stability.

The technical scheme for solving the technical problems is as follows: the utility model provides a lithium cell coating thick liquids processing system, includes the agitator tank, solvent system and material feeding system are connected respectively to the pan feeding mouth of agitator tank, and the delivery side of agitator tank connects gradually transit tank, buffer memory jar, a serial communication port, the delivery side of buffer memory jar is connected with filter equipment, filter equipment includes the base, connects the bag formula filter on the base and cover establishes at the outside stainless steel section of thick bamboo of bag formula filter, and bag formula filter's bottom is equipped with entry, export, and the base top is provided with the feed channel and the ejection of compact passageway that are linked together with bag formula filter's entry, export respectively, be plug-in connection between entry and feed channel, export and the ejection of compact passageway, bag formula filter's top is provided with the spring, bag formula filter top is inconsistent with stainless steel section of thick bamboo's top inner wall through the spring, stainless steel section of thick bamboo's bottom is fixed continuous with the base through the fast-assembling clamp.

Further, a filter and an iron remover are arranged between the stirring tank and the transfer tank.

Further, a filter and an iron remover are arranged between the transfer tank and the buffer tank.

Further, the filter adopts an RK filter, and a steel mesh filter element is arranged in the RK filter.

Further, the output end of the filtering device is connected with the coating system.

Further, the top of the bag filter is provided with a convex column, and the spring is sleeved on the convex column and extends upwards to the upper side of the convex column.

Further, the bag filters are all of a downward convex trapezoid mouth structure.

Further, sealing rings are arranged outside the inlet and the outlet.

The beneficial effects of the utility model are as follows: according to the utility model, through the connection of the bag filter, the stainless steel cylinder and the spring, and the plug-in connection of the bag filter and the base, the filter core can be simply and quickly connected with the base through the connection port at the bottom of the bag filter during installation, and simultaneously the filter core and the base are tightly pressed in the process of pressing down and installing the stainless steel cylinder, so that the installation is simple and convenient, the installation stability of the filter core in the filter device can be ensured, and the slurry leakage phenomenon caused by poor connection stability is avoided.

Drawings

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

FIG. 2 is a schematic view of the structure of the filtering device of the present utility model;

FIG. 3 is a schematic view of the construction of the capsule filter of the present utility model;

in the figure: 1. stirring tank, solvent system, feeding system, transfer tank, buffer tank, filtering device, base, 611, feeding channel, 612, discharging channel, 62, bag filter, 621, inlet, 622, outlet, 623, boss, 63, stainless steel cylinder, 64, spring, 7, quick-mounting clamp, 8, filter, 9, iron remover, 10, coating system.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.

As shown in the drawing, the lithium battery coating slurry treatment system of the embodiment comprises a stirring tank 1, wherein a feed inlet of the stirring tank 1 is respectively connected with a solvent system 2 and a feeding system 3, an output side of the stirring tank 1 is sequentially connected with a transfer tank 4 and a buffer tank 5, a filter 8 and an iron remover 9 are arranged between the stirring tank 1 and the transfer tank 4, a filter 8 and an iron remover 9 are arranged between the transfer tank 4 and the buffer tank 5, the filter 8 adopts an RK filter, a steel mesh filter core is arranged in the RK filter, the output side of the buffer tank 5 is connected with a filter device 6, and an output end of the filter device 6 is connected with a coating system 10;

the filtering device 6 comprises a base 61, a bag filter 62 connected to the base 61, and a stainless steel cylinder 63 covered outside the bag filter 62, an inlet 621 and an outlet 622 are arranged at the bottom of the bag filter 62, a feeding channel 611 and a discharging channel 612 which are respectively communicated with the inlet 621 and the outlet 622 of the bag filter 62 are arranged at the top of the base 61, the inlet 621 is connected with the feeding channel 611 and the discharging channel 612 in a plug-in mode, a spring 64 is arranged at the top of the bag filter 62, the top of the bag filter 62 is abutted against the inner wall of the top of the stainless steel cylinder 63 through the spring 64, and the bottom of the stainless steel cylinder 63 is fixedly connected with the base 61 through a fast-assembling clamp 7.

By adopting the plug-in connection of the bag filter and the base and matching the connection of the bag filter and the stainless steel cylinder through the spring, the inlet and the outlet at the bottom of the bag filter are only required to be aligned with the feeding channel and the discharging channel on the base to be inserted during installation, the stainless steel cylinder is covered, the bag filter and the base are fastened together under the action of the spring at a specific position in the process of pressing down the stainless steel cylinder, and the installation and the disassembly operation are convenient and quick.

In a preferred embodiment of the present utility model, the top of the bag filter 62 is provided with a protrusion 623, and the spring 64 is sleeved on the protrusion 623 and extends upward to the upper side of the protrusion 623, and the protrusion facilitates quick positioning and installation of the spring. In addition, the inlet 621 and the outlet 622 of the capsule filter 62 are both in a downward convex trapezoid mouth structure, and sealing rings are arranged outside the inlet 621 and the outlet 622. The rapid connection of the bag filter and the corresponding channel of the base can be realized through the downward convex trapezoid opening structure, and the tightness and the connection stability of the connection part are realized through the functions of the sealing ring and the spring.

Claims

1. The utility model provides a lithium cell coating slurry processing system, includes agitator tank (1), solvent system (2) and throwing system (3) are connected respectively to the pan feeding mouth of agitator tank (1), and transfer tank (4), buffer tank (5) are connected gradually to the delivery side of agitator tank (1), a serial communication port, the delivery side of buffer tank (5) is connected with filter equipment (6), filter equipment (6) include base (61), connect bag filter (62) on base (61) and cover establish at the outside stainless steel cylinder (63) of bag filter (62), the bottom of bag filter (62) is equipped with entry (621), export (622), and base (61) top be provided with respectively with the entry (621) of bag filter (62), feed channel (611) and discharge channel (612) that export (622) are linked together, be plug-in connection between entry (621) and feed channel (611), export (622) and the discharge channel (612), the top of bag filter (62) is provided with spring (64), the top of bag filter (62) is inconsistent with stainless steel cylinder (63) through spring (64), the bottom of the stainless steel cylinder (63) is fixedly connected with the base (61) through the fast-assembling clamp (7).

2. The lithium battery coating slurry treatment system according to claim 1, wherein a filter (8) and an iron remover (9) are arranged between the stirring tank (1) and the transfer tank (4).

3. The lithium battery coating slurry treatment system according to claim 1, wherein a filter (8) and an iron remover (9) are arranged between the transfer tank (4) and the buffer tank (5).

4. A lithium battery coating slip treatment system according to claim 2 or 3, characterized in that the filter (8) is an RK filter.

5. The lithium battery coating slip processing system of claim 4, wherein the RK filter has a steel mesh filter element therein.

6. The lithium battery coating paste handling system according to claim 1, wherein the output of the filter device (6) is connected to a coating system.

7. The lithium battery coating paste processing system according to claim 1, wherein a boss (623) is provided on top of the capsule filter (62), and the spring (64) is sleeved on the boss (623) and extends upward to an upper side of the boss (623).

8. The lithium battery coating paste processing system according to claim 1, wherein the capsule filters (62) are each of a downwardly convex trapezoidal mouth structure.

9. The lithium battery coating paste processing system according to claim 1 or 8, wherein sealing rings are provided outside the inlet (621) and the outlet (622).