CN221230079U

CN221230079U - Filtering device for battery slurry

Info

Publication number: CN221230079U
Application number: CN202323196170.5U
Authority: CN
Inventors: 杨泽辉; 熊辉; 牛晓振; 侯小伟; 吴清真
Original assignee: Farasis Energy Zhenjiang Co Ltd
Current assignee: Farasis Energy Zhenjiang Co Ltd
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-06-28
Anticipated expiration: 2033-11-24

Abstract

The utility model belongs to the technical field of lithium ion batteries, and discloses a filtering device for battery slurry, which comprises a filter screen, a cylinder body and clamping strips, wherein the filter screen is arranged in the cylinder body, a plurality of groups of filter screens are arranged in the filter screen, the groups of filter screens are wound to form a filter core, the clamping strips are arranged between the plurality of layers of filter screens, one layer of filter screens is fixedly provided with one clamping strip, and gaps are formed between the groups of filter screens by the arrangement of the clamping strips, so that the filter screens are not damaged by high-frequency oscillation and severe vortex of ultrasonic waves when the filter screens are cleaned by ultrasonic waves, the service life of the filter screens is prolonged, and the replacement cost of the filter screens is reduced; meanwhile, the matching of the multiple groups of filter screens and the clamping strips forms gradient filtration, so that the filtration area is enlarged, suspended matters and particles of fluid are effectively removed, and a good depth filtration effect is achieved.

Description

Filtering device for battery slurry

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a filtering device for battery slurry.

Background

In the battery production and manufacturing process, the slurry is required to be filtered for many times in the process of being conveyed to a die head of a coating machine, so that the normal and effective coating process is ensured; at present, a slurry filtering system usually adopts a disposable filter element, so that a new filter element can be replaced after the filtering is finished, and the cost is high; the existing improved structure is in a mode of using a plurality of layers of filter screens to be overlapped, but when the filter screens are cleaned by ultrasonic waves, the high-frequency oscillation and the severe vortex of the ultrasonic waves generate larger impact force, the filter screens are damaged, the service life of the filter screens is shortened, the replacement frequency is improved, and the cost is increased.

Therefore, there is a need to develop a filtering device for battery slurry, which does not damage the filter screen when the filter screen is cleaned by ultrasonic waves, and which improves the service life of the filter screen.

Disclosure of utility model

The utility model mainly aims to provide the technical field of lithium ion batteries, and aims to solve the problem of how to improve the service life of a filter screen.

In order to achieve the above object, according to an aspect of the present utility model, a filtering device for battery slurry is provided, which includes a filter screen and a cylinder, and further includes a clip strip, wherein the filter screen is disposed in the cylinder, the filter screen is provided with a plurality of groups, the plurality of groups of filter screens are wound to form a filter core, and the clip strip is disposed between the plurality of layers of filter screens, so that a gap is formed between the filter screen and the filter screen.

Further, the plurality of groups of filter screens have different precision;

Further, the filter screen is made of stainless steel materials.

Further, the filtering device of the battery slurry further comprises a feeding cover plate and a discharging cover plate, wherein the feeding cover plate and the discharging cover plate are respectively arranged on two sides of the filter element and detachably connected with the filter element.

Further, the feeding cover plate and the discharging cover plate are respectively connected to two sides of the opening of the cylinder in a covering mode.

Further, the cover plate assembly further comprises a connector, the connector is detachably connected with the cylinder body, and one side, far away from the filter element, of the feeding cover plate and the discharging cover plate is connected with the connector.

Further, the clip strips comprise a first clip strip and a second clip strip, and the first clip strip and the second clip strip are arranged in a crossing manner.

Further, the interval between the filter screens is 0.1-0.5 mm.

Further, the diameter of the cylinder body is 7-10 cm.

Further, the feeding pipe and the discharging pipe are respectively arranged on two sides of the cylinder body, the feeding pipe is connected with the feeding cover plate, and the discharging pipe is connected with the discharging cover plate.

The beneficial effects are that:

The utility model relates to a filtering device for battery slurry, which comprises a filter screen, a cylinder body and clamping strips, wherein the filter screen is arranged in the cylinder body, a plurality of groups of filter screens are wound to form a filter core, the clamping strips are arranged between the plurality of layers of filter screens, one layer of filter screen is provided with one clamping strip for fixing, and gaps are formed between the plurality of groups of filter screens by the arrangement of the clamping strips, so that the filter screen is not damaged by high-frequency oscillation and severe vortex of ultrasonic waves when the filter screen is cleaned by ultrasonic waves, the service life of the filter screen is prolonged, and the replacement cost of the filter screen is reduced; meanwhile, the matching of the multiple groups of filter screens and the clamping strips forms gradient filtration, so that the filtration area is enlarged, suspended matters and particles of fluid are effectively removed, and a good depth filtration effect is achieved.

Drawings

Fig. 1 is a side view of a filtering apparatus for battery paste according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a filtering apparatus for battery paste according to an embodiment of the present utility model;

wherein:

1. A filter element; 2. a filter screen; 3. a cylinder; 4. clamping strips; 51. a feed cover plate; 52. a discharging cover plate; 6. a feed pipe; 7. a discharge pipe; 8. a joint;

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless specifically defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a filtering device for battery slurry, including a filter screen 2 and a cylinder 3, and further includes a clamping strip 4, where the filter screen 2 is disposed in the cylinder 3, the filter screen 2 is provided with a plurality of groups, the filter screen 2 is wound to form a filter core 1, and the clamping strip 4 is disposed between the filter screens 2 in a plurality of layers, so that a gap is formed between the filter screens 2 and 2.

The filter equipment of battery thick liquids includes filter core 1, filter screen 2, barrel 3 and holding strip 4, wherein, filter screen 2 and holding strip 4 all are provided with the multiunit, multiunit filter screen 2 is convoluteed and is formed filter core 1, holding strip 4 sets up between multilayer filter screen 2, one deck filter screen 2 corresponds a set of holding strip 4 promptly, the purpose that holding strip 4 set up is fixed filter screen 2 for filter screen 2 and filter core 1's connection is more firm, simultaneously, the setting of holding strip 4 makes the clearance of formation between the multiunit filter screen 2, consequently when carrying out ultrasonic cleaning to filter screen 2, ultrasonic high frequency oscillation and violent vortex can not cause the damage to filter screen 2, and then improve filter screen 2's life, reduce filter screen 2's replacement cost.

The multi-layer filter screen 2 is arranged to realize gradient filtration, enlarge the filtration area, effectively remove suspended matters and particles of fluid, and has good deep filtration effect in a filtration mode of a stepped buffer structure; the application can effectively remove different types of pollutants such as particles, impurities and the like in water through the combined use of the multiple groups of filter screens 2, and the filter screens 2 with different layers can filter the pollutants with different particle diameters, so that the blocking and cleaning times of the filter screens 2 are reduced, the filtering efficiency is improved, the service life of the filter screens 2 is prolonged, the combined mode of the multiple layers of filter screens 2 and the clamping strips 4 is designed to be replaced at any time according to the requirements of users, the filter screens 2 with different layers can be detached during cleaning through the fixing of each layer of filter screens 2 by the clamping strips 4, the problem of unqualified transmittance caused by the clamping of slurry particles between the layers of the different filter screens 2 is avoided, the cleaning difficulty is reduced, the cleaning area of each layer of filter screens 2 is increased, the cleaning effect of the filter screens 2 is improved, the circulating service life of the filter screens 2 is prolonged, and the maintenance period and the maintenance cost are reduced.

In one embodiment, the plurality of groups of the filter screens 2 have different precision.

According to the application, the filter screen 2 is designed without precision, a plurality of layers of filter screens 2 with different precision are wound to form the filter element 1, the purpose of adopting different precision is to realize gradient filtering effect, the filter screens 2 with different precision can respectively filter out particles and pollutants with different sizes, the filtering efficiency and the service life of a filtering device are further improved, the coarser filter screen 2 is generally positioned at the outer side of the filter element 1, larger particles and impurities such as sand, soil and the like can be filtered, the burden of the finer filter screen 2 is reduced, the risk of blockage is reduced, and the service life of the filter screen 2 is prolonged; the finer filter screen 2 is positioned on the inner side of the filter element 1, so that smaller particles can be filtered out. The design can lead each layer of filter screen 2 to gradually filter and remove pollutants with different sizes step by step from outside to inside to form a gradient filter, thereby achieving the effect of deep filtration; in this embodiment, the screen 2 may be chosen in different sizes, so that the purpose of this is to be replaced when a broken plug of screen 2 occurs.

In one embodiment, the filter screen 2 is a stainless steel material.

In the present application, the stainless steel filter screen 2 is made of stainless steel, so that the stainless steel filter screen 2 has excellent corrosion resistance and wear resistance, and can be used for a long time under extreme conditions without being corroded or damaged easily, therefore, the stainless steel filter screen 2 can prolong the service life of the filter screen 2, reduce the need of frequently replacing the filter screen 2, and the durability of the stainless steel filter screen 2 enables the stainless steel filter screen 2 to be subjected to repeated use and washing, and further reduces the replacement and maintenance cost of the filter screen 2, and in the present embodiment, the filter screen 2 is preferably 304 stainless steel.

In one embodiment, the filtering device for the battery slurry further comprises a feeding cover plate 51 and a discharging cover plate 52, wherein the feeding cover plate 51 and the discharging cover plate 52 are respectively arranged on two sides of the filter element 1 and are detachably connected with the filter element 1.

The filtering device of battery slurry further comprises a feeding cover plate 51 and a discharging cover plate 52, wherein the feeding cover plate 51 and the discharging cover plate 52 are respectively arranged on two sides of the filter element 1 and are connected with the filter element 1 through bolts, the purpose of the arrangement is convenient to detach, the filter screen 2 is cleaned, and meanwhile, the slurry in the cylinder body 3 and the filter element 1 is also convenient to recycle, so that the purposes of saving resources and reducing cost are achieved.

In one embodiment, the feeding cover plate 51 and the discharging cover plate 52 are respectively connected to two sides of the opening of the cylinder 3.

The feeding cover plate 51 and the discharging cover plate 52 are respectively connected to two sides of the opening of the cylinder body 3 in a covering mode, specifically, one sides of the feeding cover plate 51 and the discharging cover plate 52 are connected with the filter element 1 through bolts, the other sides of the feeding cover plate 51 and the discharging cover plate 52 are connected with the cylinder body 3 in a covering mode, and the purpose of the arrangement is that the filter device is convenient to detach, clean and install, and slurry in the cylinder body 3 and the filter element 1 can be recycled during cleaning.

In an embodiment, the filtering device of the battery slurry further comprises a connector 8, the connector 8 is detachably connected with the barrel 3, and the side, away from the filter element 1, of the feeding cover plate 51 and the discharging cover plate 52 is connected with the connector 8.

The filter equipment of battery thick liquids still includes joint 8, and joint 8 sets up in barrel 3 both sides, and the lid connects in barrel 3 opening lateral wall, and feeding apron 51 and ejection of compact apron 52 are connected with barrel 3 through joint 8, and the purpose of setting up like this is convenient dismantlement installation, clean barrel 3 and carry out recycle to the thick liquids in barrel 3 and the filter core 1.

In an embodiment, the clip strip 4 comprises a first clip strip and a second clip strip, and the first clip strip and the second clip strip are arranged in a crossing manner.

According to the embodiment of the application, the holding strip 4 comprises the first holding strip and the second holding strip, the first holding strip and the second holding strip are I-shaped, the first holding strip and the second holding strip are mutually intersected and vertically arranged and are attached and wound on a plurality of layers of stainless steel filter screens 2 with different precision, and finally the holding strip 4 which is in a field shape on the stainless steel filter screens 2 is provided, and the filter screens 2 are wound on the filter element 1 and fixed by the holding strip 4, so that the overall structural stability of the filter element 1 can be effectively enhanced, the filtering efficiency is improved, and the service life is prolonged; meanwhile, the field-shaped clamping strips 4 can tightly clamp the filter screen 2 to keep the filter screen 2 at a fixed position, so that the filter screen 2 can be prevented from shifting or falling off in the filtering process, the filter screen 2 can be ensured to work normally, and the reduction of the filtering effect caused by loosening of the filter screen 2 is avoided.

In one embodiment, the layers of the filter screens 2 are spaced 0.1-0.5 mm apart.

The interval between the filter screens 2 and the filter screens 2 is 0.1-0.5 mm under the action of the field-shaped holding strips 4, and the purpose of the arrangement is that the filter screens 2 are not damaged when the filter screens 2 are cleaned by ultrasonic waves.

In one embodiment, the diameter of the cylinder 3 is 7-10 cm.

The diameter of the cylinder 3 is in the range of 7-10 cm, and the purpose of this arrangement is to meet the requirements of high-flow coating equipment.

In one embodiment, the filtering device for the battery slurry further comprises a feeding pipe 6 and a discharging pipe 7, wherein the feeding pipe 6 and the discharging pipe 7 are respectively arranged on two sides of the barrel 3, the feeding pipe 6 is connected with the feeding cover plate 51, and the discharging pipe 7 is connected with the discharging cover plate 52.

The filtering device of battery slurry further comprises a feeding pipe 6 and a discharging pipe 7, wherein the feeding pipe 6 is fixedly arranged on a feeding cover plate 51, the discharging pipe 7 is fixedly arranged on a discharging cover plate 52, the purpose of the feeding pipe 6 is to introduce the battery slurry to be filtered into the cylinder, the slurry to be filtered enters the filter element 1 after being filtered by the filter screen, and finally, the connector is fixed to open the screw pump slurry to be output from the discharging pipe.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.

Claims

1. A filtering device of battery slurry comprises a filter screen and a cylinder; the novel filter is characterized by further comprising clamping strips, wherein the filter screen is arranged in the cylinder body, the filter screen is provided with a plurality of groups, the filter screen is wound to form a filter core, and the clamping strips are arranged among the filter screens in a plurality of layers, so that gaps are formed between the filter screen and the filter screen.

2. The battery paste filtering device of claim 1, wherein the clip strips comprise a first clip strip and a second clip strip, the first clip strip and the second clip strip being disposed crosswise.

3. The device for filtering battery paste according to claim 1, wherein a plurality of sets of the filter screens are each of different precision.

4. The device for filtering battery paste according to claim 1, wherein the filter screen is a stainless steel material.

5. The device for filtering battery slurry according to claim 1, further comprising a feeding cover plate and a discharging cover plate, wherein the feeding cover plate and the discharging cover plate are respectively arranged on two sides of the filter element and are detachably connected with the filter element.

6. The battery paste filtering device according to claim 5, wherein the feeding cover plate and the discharging cover plate are respectively covered on two sides of the opening of the cylinder.

7. The device of claim 5, further comprising a connector detachably connected to the barrel, wherein the feed cover and the discharge cover are connected to the connector on a side of the filter cartridge remote from the filter cartridge.

8. The filtering device for battery paste according to claim 1, wherein a space between the plurality of layers of the filter net is 0.1 to 0.5mm.

9. The device for filtering battery paste according to claim 1, wherein the cylinder has a diameter of 7 to 10cm.

10. The battery paste filter apparatus of claim 6, further comprising a feed pipe and a discharge pipe, wherein the feed pipe and the discharge pipe are disposed on both sides of the cylinder, respectively, the feed pipe is connected with the feed cover plate, and the discharge pipe is connected with the discharge cover plate.