CN212575730U - Lithium battery slurry filtering device - Google Patents
Lithium battery slurry filtering device Download PDFInfo
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- CN212575730U CN212575730U CN202021325383.7U CN202021325383U CN212575730U CN 212575730 U CN212575730 U CN 212575730U CN 202021325383 U CN202021325383 U CN 202021325383U CN 212575730 U CN212575730 U CN 212575730U
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Abstract
The utility model relates to a lithium battery slurry filtering device belongs to lithium cell production technical field. The technical scheme is as follows: comprises a feeding device (1), a filtering device (2) and a discharging device (3) which are connected in sequence from top to bottom; during the use, import and export the filter equipment thick liquids and pass through thread seal with production line pipeline and link to each other, and the thick liquids is through feed inlet, feeding manometer, opens feed valve, and one-level funnel filter screen, second grade filter screen core, tertiary ejection of compact filter screen flow through, and the thick liquids after the filtration pass through ejection of compact pipeline, and ejection of compact valve, ejection of compact manometer flow through, accomplish and filter. The utility model has the advantages that: the slurry filtering effect is guaranteed through three-layer filtering, the slurry blocking problem is effectively solved, and the slurry filtering efficiency is improved; the disassembly and cleaning are convenient, the structure is simple, the matching is compact, the design is reasonable, and the use is convenient.
Description
Technical Field
The utility model relates to a lithium battery slurry filtering device belongs to lithium cell production technical field.
Background
The positive electrode slurry and the negative electrode slurry of the lithium ion battery mainly comprise active substances (positive electrode materials and negative electrode materials), a solvent, a binder, a conductive agent and the like, and are prepared by mixing, stirring and uniformly dispersing the active substances and the negative electrode materials. In order to achieve the high-quality electrochemical performance of the lithium ion battery, the slurry is required to have no agglomerated large particles and uniform and consistent particle size, so that the large particles need to be filtered by a plurality of filtering devices during slurry discharging, and slurry coating and tabletting production can be carried out after filtering. The lithium battery slurry filtering device in the prior art has the advantages of complex structure, high cost, inconvenient moving, dismounting and cleaning operations, poor filtering efficiency and effect, and blockage caused by accumulation of particles and impurities in slurry under the long-time working condition, thereby greatly influencing the using effect of the slurry filtering device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lithium battery slurry filtering device, which ensures the slurry filtering effect through three-layer filtering, effectively improves the slurry blocking problem and improves the slurry filtering efficiency; the disassembly and cleaning are convenient, the structure is simple, the matching is compact, the design is reasonable, the use is convenient, and the problems existing in the background technology are solved.
The technical scheme of the utility model is that:
a lithium battery slurry filtering device comprises a feeding device, a filtering device and a discharging device which are sequentially connected from top to bottom; the feeding device comprises a feeding hole, a feeding pipeline, a feeding ball cavity tank and a pressure relief valve, the feeding hole is connected with one end of the feeding pipeline and integrally formed, the other end of the feeding pipeline is connected with the feeding ball cavity tank and integrally formed, the pressure relief valve is arranged above the feeding ball cavity tank, and a feeding pressure gauge and a feeding valve are arranged on the feeding pipeline;
the filter device comprises an annular clamp, a central filter cavity tank, a funnel filter screen, a filter screen core and a discharge filter screen, wherein the funnel filter screen is placed at the top of the central filter cavity tank, the annular clamp is used for hermetically connecting the feeding spherical cavity tank, the funnel filter screen and the central filter cavity tank together through a left bolt and a right bolt on two sides, the funnel filter screen is densely provided with feeding filter screen holes, the filter screen core is placed in the middle of the central filter cavity tank, the bottom of the central filter cavity tank is provided with a circle of annular discharge filter screen support frame, the discharge filter screen support frame and the central filter cavity tank are fixedly and integrally formed, the discharge filter screen is placed on the discharge filter screen support frame, the discharge filter screen is densely provided with discharge filter screen holes, and the filter screen core;
discharging device contains ejection of compact ball chamber jar, ejection of compact pipeline and discharge gate, and ejection of compact ball chamber jar links to each other integrated into one piece with the lower extreme that the cavity jar was filtered at the center, and ejection of compact ball chamber jar below is connected with ejection of compact pipeline's one end, and the ejection of compact pipeline other end is equipped with the discharge gate, and the discharge gate links to each other integrated into one piece with ejection of compact pipeline, be equipped with ejection of compact valve and ejection of compact manometer on the ejection of compact.
The feeding pipeline is horizontally arranged, and the feeding hole is horn-shaped and is provided with threads; the feeding spherical cavity tank is a hemispherical cavity.
The funnel filter screen is arranged between the feeding device and the filtering device and is of a funnel-shaped structure; an O-shaped rubber sealing ring is arranged in the annular hoop; the filter screen core in the filter device is of a dovetail conical structure at two ends, and the dovetail conical structure at the top end of the filter screen core is matched with the funnel-shaped structure of the funnel filter screen; the discharging filter screen is in lap joint with and movably connected with the lower annular discharging filter screen support frame; the dovetail cone structure at the bottom end of the filter screen core and the discharge filter screen below the dovetail cone structure form a conical gap.
The discharging ball cavity tank is a hemispherical cavity, the discharging pipeline is a horizontally arranged discharging pipeline, and the discharging port is horn-shaped and is threaded.
During the use, import and export the filter equipment thick liquids and pass through thread seal with production line pipeline and link to each other, and the thick liquids is through feed inlet, feeding manometer, opens feed valve, and one-level funnel filter screen, second grade filter screen core, tertiary ejection of compact filter screen flow through, and the thick liquids after the filtration pass through ejection of compact pipeline, and ejection of compact valve, ejection of compact manometer flow through, accomplish and filter.
The utility model has the advantages that: the slurry filtering effect is guaranteed through three-layer filtering, the slurry blocking problem can be effectively solved through proper space design, and the slurry filtering efficiency is improved; the utility model discloses lithium battery slurry filtering device includes feed arrangement, filter equipment and discharging device triplex, and the activity concatenation is dismantled and is washd conveniently; the slurry filtering effect can be further improved by matching the multistage filtering devices in series and parallel; the slurry filtering device of the utility model is convenient to connect with the production line pipeline, and can be directly disassembled and replaced with a new filtering device when the filter screen core needs to be cleaned and replaced, thereby not affecting the production efficiency; the utility model has the characteristics of simple structure, compact matching, reasonable design, convenient use and the like; therefore, the device is an excellent device with both technical and economical efficiency.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a discharge screen according to an embodiment of the present invention;
in the figure: 1. a feeding device; 2. a filtration device; 3. a discharging device; 11. a feed inlet; 12. a feed conduit; 13. a feeding pressure gauge; 14. a feed valve; 15. a feed ball cavity tank; 16. a pressure relief valve; 21. a funnel filter screen; 22. a feeding filter mesh; 23. a left bolt; 24. a right bolt; 25. an annular hoop; 26. a central filtration cavity tank; 27. a filter element; 28. discharging a filter screen; 29. discharging filter screen holes; 210. a discharging filter screen support frame; 31. a discharge ball cavity tank; 32. a discharge pipeline; 33. a discharge valve; 34. a discharge pressure gauge; 35. and (4) a discharge port.
Detailed Description
The present invention will be further explained by way of examples with reference to the accompanying drawings.
A lithium battery slurry filtering device comprises a feeding device 1, a filtering device 2 and a discharging device 3 which are connected in sequence from top to bottom; the feeding device 1 comprises a feeding hole 11, a feeding pipeline 12, a feeding ball cavity tank 15 and a pressure release valve 16, wherein the feeding hole 11 is connected with one end of the feeding pipeline 12 and integrally formed, the other end of the feeding pipeline 12 is connected with the feeding ball cavity tank 15 and integrally formed, the pressure release valve 16 is arranged above the feeding ball cavity tank 15, and a feeding pressure gauge 13 and a feeding valve 14 are arranged on the feeding pipeline 12;
the filter device 2 comprises an annular hoop 25, a central filter cavity tank 26, a funnel filter screen 21, a filter screen core 27 and a discharge filter screen 28, the funnel filter screen 21 is placed at the top of the central filter cavity tank 26, the annular hoop 25 hermetically connects the feed ball cavity tank 15, the funnel filter screen 21 and the central filter cavity tank 26 through a left bolt 23 and a right bolt 24 on two sides, the funnel filter screen 21 is densely provided with feed filter screen holes 22, the middle part of the central filter cavity tank 26 is provided with the filter screen core 27, the bottom of the central filter cavity tank 26 is provided with a ring-shaped discharge filter screen support frame 210, the discharge filter screen support frame 210 and the central filter cavity tank 26 are fixedly and integrally formed, the discharge filter screen support frame 210 is provided with the discharge filter screen holes 28, the discharge filter screen 28 is densely provided with discharge filter screen holes 29, and the filter screen core 27 is arranged above the;
The feeding pipeline 12 is a horizontally arranged feeding pipeline, and a feeding hole is horn-shaped and is provided with threads, so that the feeding pipeline is conveniently connected with a slurry pipeline of a production line; a feeding pressure gauge is arranged on the feeding pipeline, the feeding pressure can be monitored, and when the feeding pressure is too high, the filter element is prompted to be replaced; the feeding pipeline 12 is provided with a feeding pressure gauge 13 and a feeding valve 14, so that the flow of slurry can be controlled at any time, and if the filtering device is disassembled, the feeding valve can be closed in advance, so that the pipeline is closed, the slurry is prevented from overflowing and splashing in the disassembling process, and the operation is convenient; feeding ball chamber jar 15 is the hemisphere cavity, provides sufficient buffer memory space for the material of going up the ground paste, feeding ball chamber jar top is equipped with relief valve 16, and filter equipment works for a long time the back filter chamber pressure increase, need dismantle to wash and change the filter screen core, can open the relief valve in advance, and release intracavity pressure can prevent effectively that the pressure release from directly opening the emergence of the condition that the ground paste splashes when the cavity.
The funnel filter screen 21 is arranged between the feeding device and the filtering device, the funnel filter screen is of a funnel-shaped structure, the filtering area of the slurry is increased, the filtering efficiency of the slurry is improved, the funnel filter screen is used as a first filtering path, large particles can be intercepted firstly, the funnel filter screen is free to move and can be detached, and the cleaning is convenient; be equipped with O type rubber seal in the annular clamp, play and strengthen sealed effect, the guarantee leakproofness is good. The filter screen core 27 in the filter device is of a dovetail conical structure at two ends, and the dovetail conical structure at the top end of the filter screen core is matched with the funnel-shaped structure of the funnel-shaped filter screen; the slurry is firstly filtered by the funnel filter screen and then is spliced together to downwards pass through the filter screen core for secondary filtering, and meanwhile, a certain space gap is reserved between the funnel filter screen and the top end of the filter screen core, so that a rich space is provided for slurry caching, the slurry is not easy to block, and the filtering effect is influenced; a discharge filter screen 28 is arranged below the filter screen core 27 and serves as a third filter, so that a good filtering effect of the slurry is guaranteed; the lower end of the central filtering cavity tank of the filtering device is provided with a circle of annular discharging filter screen supporting frame which can support a discharging filter screen; the discharging filter screen 28 is in lap joint with and movably connected with the lower annular discharging filter screen support frame, so that the discharging filter screen can be conveniently and freely taken out for cleaning; the forked tail circular cone structure of filter core bottom has the circular cone space with below ejection of compact filter screen, provides for thick liquids and filters buffer memory space.
The discharge spherical cavity tank 31 is a hemispherical cavity and provides sufficient buffer storage space for discharged slurry; the discharging pipeline is provided with a discharging valve, a slurry flowing switch can be controlled at any time, the discharging valve can be closed in advance when the filtering device is disassembled, the pipeline is closed, the slurry is prevented from overflowing and splashing in the disassembling process, and the operation is convenient; a discharge pressure gauge is arranged on the discharge pipeline, the discharge pressure can be monitored, and when the discharge pressure is too high, the filter element is prompted to be replaced; the discharge pipeline 32 is a horizontally arranged discharge pipeline, and the discharge port 35 is in a horn shape, is threaded and is convenient to connect with a slurry pipeline of a production line.
The utility model discloses import and export the filter equipment thick liquids and link to each other through thread seal with production line pipeline during the use, the thick liquids through feed inlet, feeding manometer, opens feed valve, flows through one-level funnel filter screen, second grade filter screen core, tertiary ejection of compact filter screen, and the thick liquids after filtering pass through ejection of compact pipeline, and ejection of compact valve, ejection of compact manometer of flowing through flow through, accomplish and filter. The slurry filtering effect is guaranteed through three-layer filtering, the slurry blocking problem can be effectively solved through proper space design, and the slurry filtering efficiency is improved; the utility model discloses lithium battery slurry filtering device includes feed arrangement, filter equipment and discharging device triplex, and the activity concatenation is dismantled and is washd conveniently; the slurry filtering effect can be further improved by matching the multistage filtering devices in series and parallel; the utility model discloses thick liquids filter equipment is convenient with producing the line pipe connection, need wash and can directly dismantle the new filter equipment of replacement when changing the filter screen core, does not hinder and influence production efficiency.
Claims (4)
1. The utility model provides a lithium battery slurry filter equipment which characterized in that: comprises a feeding device (1), a filtering device (2) and a discharging device (3) which are connected in sequence from top to bottom; the feeding device (1) comprises a feeding hole (11), a feeding pipeline (12), a feeding ball cavity tank (15) and a pressure release valve (16), wherein the feeding hole (11) is connected with one end of the feeding pipeline (12) and integrally formed, the other end of the feeding pipeline (12) is connected with the feeding ball cavity tank (15) and integrally formed, the pressure release valve (16) is arranged above the feeding ball cavity tank (15), and a feeding pressure gauge (13) and a feeding valve (14) are arranged on the feeding pipeline (12);
the filter device (2) comprises an annular hoop (25), a central filter cavity tank (26), a funnel filter screen (21), a filter screen core (27) and a discharge filter screen (28), the funnel filter screen (21) is placed at the top of the central filter cavity tank (26), the annular hoop (25) is used for connecting the feed ball cavity tank (15), the funnel filter screen (21) and the central filter cavity tank (26) together in a sealing way through a left bolt (23) and a right bolt (24) on two sides, the funnel filter screen (21) is densely provided with feed filter screen holes (22), the filter screen core (27) is placed in the middle of the central filter cavity tank (26), the bottom of the central filter cavity tank (26) is provided with a circle of annular discharge filter screen support frame (210), the discharge filter screen support frame (210) and the central filter cavity tank (26) are fixed and integrally formed, the discharge filter screen support frame (210) is provided with the discharge filter screen, discharging filter screen holes (29) are densely distributed on the discharging filter screen (28), and the filter screen core (27) is arranged above the discharging filter screen (28);
discharging device (3) contain ejection of compact ball chamber jar (31), ejection of compact pipeline (32) and discharge gate (35), ejection of compact ball chamber jar (31) and the continuous integrated into one piece of lower extreme of central filter chamber jar (26), ejection of compact ball chamber jar (31) below is connected with the one end of ejection of compact pipeline (32), and ejection of compact pipeline (32) other end is equipped with discharge gate (35), and discharge gate (35) link to each other integrated into one piece with ejection of compact pipeline (32), be equipped with ejection of compact valve (33) and ejection of compact manometer (34) on ejection of compact pipeline (32).
2. The lithium battery slurry filtering device according to claim 1, wherein: the feeding pipeline (12) is a horizontally arranged feeding pipeline, and a feeding hole is horn-shaped and is provided with threads; the feeding ball cavity tank (15) is a hemispherical cavity.
3. The lithium battery slurry filtering device according to claim 1 or 2, wherein: the funnel filter screen (21) is arranged between the feeding device and the filtering device and is of a funnel-shaped structure; an O-shaped rubber sealing ring is arranged in the annular hoop; a filter screen core (27) in the filter device is of a dovetail conical structure at two ends, and the dovetail conical structure at the top end of the filter screen core is matched with a funnel-shaped structure of a funnel filter screen; the discharging filter screen (28) is in lap joint with and movably connected with the lower annular discharging filter screen support frame; the dovetail cone structure at the bottom end of the filter screen core and the discharge filter screen below the dovetail cone structure form a conical gap.
4. The lithium battery slurry filtering device according to claim 1 or 2, wherein: the discharging ball cavity tank (31) is a hemispherical cavity, the discharging pipeline (32) is a horizontally arranged discharging pipeline, and the discharging port (35) is horn-shaped and threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021325383.7U CN212575730U (en) | 2020-07-08 | 2020-07-08 | Lithium battery slurry filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021325383.7U CN212575730U (en) | 2020-07-08 | 2020-07-08 | Lithium battery slurry filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212575730U true CN212575730U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021325383.7U Active CN212575730U (en) | 2020-07-08 | 2020-07-08 | Lithium battery slurry filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212575730U (en) |
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2020
- 2020-07-08 CN CN202021325383.7U patent/CN212575730U/en active Active
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