CN212262549U - Filtering device for filtering slurry - Google Patents

Filtering device for filtering slurry Download PDF

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Publication number
CN212262549U
CN212262549U CN202020141338.XU CN202020141338U CN212262549U CN 212262549 U CN212262549 U CN 212262549U CN 202020141338 U CN202020141338 U CN 202020141338U CN 212262549 U CN212262549 U CN 212262549U
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filtering
slurry
filter element
upper cover
filter
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CN202020141338.XU
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诸葛挺
彭建林
张超
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Shenzhen Manst Technology Co Ltd
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Shenzhen Manst Technology Co Ltd
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Abstract

The utility model relates to a filtering device for filtering slurry, which comprises a shell, an upper cover, a lower cover and a conical filter element; the upper cover is connected with the upper end of the shell, the lower end of the shell is connected with the lower cover, the lower cover is provided with a filtering inlet, the upper cover is provided with a filtering outlet, and the tip end of the conical filter element is downwards arranged in the shell; when the slurry is filtered, under the action of pressure, the slurry can flow through the conical filter element through the filtering inlet of the lower cover to be filtered, and the filtered slurry flows out through the filtering outlet of the upper cover. Among this filter equipment, the pointed end of toper filter core can guide the surface of thick liquids flow direction toper filter core to can also erode the large granule impurity of adhering to at the filter core surface when realizing filterable, and can make impurity drop easily under the action of gravity and realize that large granule impurity breaks away from the filter core surface, this filter equipment has improved filtration efficiency, and has reduced the change and the cleaning frequency of filter core.

Description

Filtering device for filtering slurry
Technical Field
The utility model belongs to the technical field of filter, especially, relate to a filter equipment for filtering thick liquids.
Background
In the production process of the lithium ion battery, slurry coating needs to be carried out on a positive plate and a negative plate, and the process involves mixing special solvents and binders with powdery positive and negative active substances. And uniformly stirring the mixture to prepare uniform positive and negative electrode coatings, coating the slurry on the surface of the metal foil, and drying to prepare the positive and negative electrode plates. In the prior art, a cylindrical filter element is generally used for filtering the mixture, a layer of large-particle agglomerates is easily attached to the surface of the cylindrical filter element during filtering to block meshes, large-particle substances are agglomerated in the slurry if the slurry is unevenly dispersed in the mixing process, and if the agglomerated large-particle substances directly enter a coating machine for coating, the agglomerated large-particle substances easily block the gap of a scraper of the coating machine, so that the coating quality of a positive plate and a negative plate can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to the problem that the filter pulp is filtered to prior art cylinder filter core appears filtering inhomogeneous easily and influences coating quality, provide a filter equipment for filtering thick liquids, can make the big granule material of thick liquids reunion can drop and make mixed thick liquids can filter evenly to improve the filter quality and the efficiency of thick liquids.
The utility model provides a filtering device for filtering slurry, which comprises a shell, an upper cover, a lower cover and a conical filter element; the upper cover is connected with the upper end of the shell, the lower end of the shell is connected with the lower cover, the lower cover is provided with a filtering inlet, the upper cover is provided with a filtering outlet, and the conical filter element is arranged in the shell; when the slurry is filtered, the slurry flows through the conical filter element through the filtering inlet of the lower cover for filtering, and the filtered slurry flows out through the filtering outlet of the upper cover.
Optionally, the tip end of the conical filter element is arranged at the bottom of the filter device downwards, and the conical filter element is connected with the upper cover; the slurry flows through the conical filter element through the filtering inlet to be filtered, and the filtered slurry flows out through the filtering outlet.
Optionally, the upper cover is provided with an upward protruding structure, and the upward protruding structure is connected with the upper cover and communicated with the filtering outlet; the lower cover is provided with a lower convex structure, and the lower convex structure is connected with the lower cover and communicated with the filtering inlet.
Optionally, the filter device comprises a fixing flange and a chuck, the chuck is arranged at the round end of the conical filter element, and the fixing flange is connected with the chuck; the middle end of the fixing flange is a through hole, an internal thread is arranged in the through hole, the upper convex structure axially extends out of the mounting end with a through hole structure along the shell, an external thread is arranged on the outer side of the mounting end, and the upper cover is connected with the internal thread of the through hole through the external thread of the mounting end.
Optionally, the filter device further comprises a sealing ring, wherein the sealing ring is arranged on the chuck and arranged between the chuck and the fixing flange.
Optionally, the tip of the conical filter element is a non-filter element structure, and part of the tip of the conical filter element is positioned in the lower convex structure.
Optionally, the tip of the conical filter element is provided with an opening structure along the radial direction.
Optionally, the upper cover and the lower cover are provided with exhaust holes, and exhaust valves are arranged on the exhaust holes.
Optionally, the filter device further comprises a fixing structure disposed outside the housing.
Optionally, the filtering apparatus further comprises a pressurizing device, wherein the pressurizing device enables the slurry to flow through the conical filter element through the filtering inlet for filtering, and enables the filtered slurry to flow out through the filtering outlet.
The utility model provides a filter equipment for filtering thick liquids can make the filterable thick liquids of needs filter more abundant through this filter equipment to can reduce the change and the cleaning frequency of built-in filter core. The utility model provides a filter equipment's filtration filter core is the toper filter core, and wherein, this toper filter core most advanced sets up in the casing down to will filter the bottom that the entry set up at filter equipment. When filtering thick liquids, under the pressure effect, thick liquids can filter through the toper filter core of the filtration entry flow through of lower cover, thick liquids after the filtration pass through the filtration export of upper cover and flow, the most advanced of this in-process toper filter core can guide the surface of liquid flow direction toper filter core, thereby can also erode the large granule impurity of adhering to at the filter core surface when realizing filterable, and can make impurity drop more easily under the action of gravity and realize that impurity breaks away from the filter core surface, this filter equipment has improved filtration efficiency, and the replacement cycle and the cleaning frequency of filter core have been reduced, thereby can improve the filtration efficiency and the filtration quality to thick liquids.
Drawings
Fig. 1 is a schematic view of a filtering apparatus according to an embodiment of the present invention;
FIG. 2 is another schematic view of a filter assembly according to an embodiment of the present invention;
fig. 3 is a schematic view of a conical filter element provided in a filter device according to an embodiment of the present invention, connected to a mounting flange;
fig. 4 is a partial cross-sectional view of a conical filter element and mounting flange connection provided by a filter assembly according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1-a shell;
2-covering the upper cover; 21-a convex structure; 211 — slurry outflow direction;
3-lower cover; 31-a downward convex structure; 311-slurry inflow direction;
4-a conical filter element; 41-open pore structure; 411-slurry drop direction; 42-a chuck; 43-a fixed flange; 431-a limit post; 44: a seal ring;
5-fixing the structure.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a filtering device for filtering slurry, as shown in figure 1, the filtering device comprises a shell 1, an upper cover 2, a lower cover 3 and a conical filter element 4; wherein, the upper cover 2 is connected with the upper end of the shell 1, and the lower end of the shell 1 is connected with the lower cover 3. In one embodiment, the connection of the upper cover 2, the lower cover 3 and the housing 1 can be performed by providing a clip, for example, the outer circumferential ends of the upper cover 2, the housing 1 and the lower cover 3 are provided with grooves, and the grooves are provided with rubber rings. Specifically, the upper cover 2, the housing 1 and the lower cover 3 can be balanced and sleeved with rubber rings, and the clamp is placed on the rubber rings at the outer circle ends of the upper cover 2, the housing 1 and the lower cover 3 and screwed down, so that the upper cover 2, the housing 1 and the lower cover 3 can be connected. The connection of the upper cover 2 and the shell 1 and the connection of the shell 1 and the lower cover 3 are realized through a clamping hoop mode, so that the installation is simple, the performance is good, and the sealing degree is high. It should be noted that this embodiment is only an embodiment, and is not limited, and it is needless to say that other methods, for example, screw holes are opened in the upper cover 2, the lower cover 3, and the housing 1, and the connection between the upper cover 3 and the housing 1 may be realized by bolts or studs, and the description thereof will not be made here to avoid redundancy.
The lower cover 3 is provided with a filtering inlet, the upper cover 2 is provided with a filtering outlet, and the conical filter element 4 is arranged in the shell 1; in one embodiment, when filtering the slurry, as shown in fig. 2, the slurry can flow through the conical filter element 4 through the filter inlet along the slurry inflow direction 311 for filtering, and the filtered slurry can flow out through the filter outlet along the slurry outflow direction 211 for filtering the slurry to be filtered. It should be noted that, when the filtering inlet is arranged at the bottom of the filtering device, a pressurizing device needs to be added, in one embodiment, the pressurizing device can be a pressurizing pump or the like, and the slurry is filtered by passing through the conical filter element 4 from the filtering inlet of the lower cover of the filtering device by means of the pressurizing pump, and the filtered slurry flows out through the filtering outlet of the upper cover of the filtering device, so that the slurry is filtered by the conical filter element 4 and flows out.
In one embodiment, as shown in fig. 1, the upper lid 2 is provided with an upper convex structure 21 and the lower lid 3 is provided with a lower convex structure 31. Wherein, the lower convex structure 31 is connected with the lower cover 3 and communicated with the filtering inlet, and the upper convex structure 21 is connected with the upper cover 2 and communicated with the filtering outlet. Specifically, when the pulp is filtered, the pulp can flow through the conical filter element 4 through the filtering inlet of the lower cover 3 provided with the lower convex structure 31 for filtering, and the filtered pulp can flow out through the filtering outlet of the upper cover 2 provided with the upper convex structure 21. The upper convex structure 21 and the lower convex structure 31 in this embodiment can be set to have a uniform caliber or a uniform height according to actual needs, for example, the upper convex structure 21 and the lower convex structure 31 are set to make the connection between the filtering device and other devices to be connected more convenient and make the slurry entering the filtering device more concentrated, and then the pressure of the slurry injected from the lower convex structure 31 can be increased, thereby improving the filtering efficiency of the filtering device.
In one embodiment, as shown in fig. 1 and 2, a portion of the tip of the conical filter element 4 can also be disposed downwardly within the downwardly convex configuration 31. The tip of the conical filter element 4 may be configured as a non-filter element structure, and it should be noted that the tip of the conical filter element 4 may be configured as a non-filter element structure without a filter hole, for example, the tip is a solid tip structure or other types of flow guide structures, for example, a structure similar to an inverted trapezoid is provided, or a flow guide column may be further added to the flow guide structure, which is not limited herein. In this embodiment, when the slurry flows in from the filtering inlet of the lower cover provided with the lower convex structure 31, the flow guiding of the filtered slurry can be realized by the partial tip of the non-perforated conical filter element 4, so that the entering slurry enters the filtering device more intensively along the direction of the tip.
In one embodiment, when filtering the pulp, the pulp can flow through the conical filter element 4 through the filtering inlet provided with the lower convex structure 31 for filtering, and after the pulp is filtered by the conical filter element 4, the filtered pulp can flow out through the filtering outlet provided with the upper convex structure 21. In this embodiment, since the filter inlet is disposed at the bottom of the filter device, the tip of the conical filter element 4 can be downwardly disposed in the lower convex structure 31 of the lower cover disposed at the bottom of the filter device. Specifically, as shown in fig. 2, when under the pressure of the pressurizing device, the slurry can flow through the conical filter element 4 from the filtering inlet of the lower cover 3 provided with the lower convex structure 31 along the slurry inflow direction 311 for filtering. Specifically, under the effect of pressure, the thick liquids get into from filtering the entry along thick liquids inflow direction 311, along with the drainage effect of the pointed end of toper filter core 4, the surface that the toper filter core 4 can flow through to the thick liquids that get into filters through toper filter core 4, and make the thick liquids after filtering flow out along thick liquids outflow direction 211 from filtering the export, can understand, the surface at the filter core can be attached to the partly large granule impurity of thick liquids in this process, jet into under the impact of thick liquids at pressure device during the filtration, not only can realize that thick liquids erode the large granule impurity on filter core surface on the one hand, on the other hand under the effect of gravity large granule impurity can also drop along the thick liquids direction 411 that drops as shown in fig. 2, thereby realize can also erodeing the large granule impurity that is attached to the filter core surface when filtering thick liquids. Utilize filter equipment to invert in this embodiment, can make impurity drop direction 411 along thick liquids under the action of gravity and drop to the realization makes large granule impurity break away from 4 surfaces of toper filter core, thereby has improved filterable quality and efficiency, and has reduced the change and the washing frequency of filtering the filter core.
In one embodiment, the filter apparatus further comprises a fixing flange 43 and a chuck 42. Wherein the chuck 42 can be arranged on the round end of the conical filter element 4, and the fixing flange 43 is connected with the chuck 42. Specifically, mounting end that the middle-end of mounting flange 43 can be established to the through-hole and this through-hole is equipped with the internal thread, and upward protruding structure 21 extends along the 1 axial of casing has the through-hole structure and this mounting end outside is equipped with the external screw thread, and upper cover 2 can realize that toper filter core 4 is connected with upper cover 2 through the external screw thread of mounting end and the female connection of through-hole, also makes the dismantlement of toper filter core and upper cover become more convenient.
The fixing flange 43 is connected to the chuck 42, and specifically, in one embodiment, as shown in fig. 3, the chuck 42 may be provided with a protrusion structure in a radial direction, and the fixing flange 43 may be provided with a number of protruding limiting columns 431, for example, 4. Wherein, this mounting flange 43 can be in the protruding structure of chuck setting activity, can be connected mounting flange 43 and toper filter core 4 through the protruding structure of this chuck. When the conical filter element 4 and the fixing flange 43 need to be disassembled, the conical filter element 4 can be rotated to one end by a certain angle, and then the fixing flange 43 can be separated from the conical filter element 4. In this embodiment, the spacing columns 431 of the rotating process fixing flange 43 interfere with the protruding structures of the chuck 42, that is, the conical filter element 4 can be taken out by rotating to the corresponding spacing columns 431, so that the conical filter element 4 can be more conveniently disassembled and cleaned.
In another embodiment, the upper cover 2 is provided with an upward protruding structure 21, the upward protruding structure 21 is connected with the upper cover 2 and communicates with the filtering outlet, specifically, by providing the upward protruding structure 21 and the upper cover 2 as an integral structure, the upward protruding structure 21 extends axially out of the housing 1 to form a mounting end with a through hole structure, and an external thread is provided outside the mounting end, and the upper cover 2 is connected with an internal thread of the through hole through the external thread of the mounting end, which is not limited herein.
In one embodiment, the lower cap 3 is provided with a lower projection 31, and the lower projection 31 is connected to the lower cap 3 and communicates with the filtering inlet, except that the lower projection 31 is formed as an integral structure with the lower cap 3. Specifically, a chuck (not shown) may be provided at the filtration inlet of the lower cap 3, and the lower convex structure 31 may be connected to the chuck, or the lower cap 3 and the lower convex structure 31 may be connected by providing an internal thread and an external thread, which is not limited herein.
In one embodiment, as shown in FIG. 4, the filter apparatus 4 further comprises a gasket 44. The sealing ring 44 may be disposed on the chuck 42, and specifically, the sealing ring 44 may be disposed between the chuck 42 and the fixing flange 43. By providing the seal ring 44, the conical filter element 4 can be connected to the fixing flange 43 while maintaining the sealing performance.
When the conical filter element 4 needs to be disassembled, the connection between the lower convex structure 31 and the lower cover 3, and the connection between the lower cover 3 and the housing 1 can be disassembled first, and the conical filter element 4 can be disassembled in a rotating manner. In one embodiment, as shown in fig. 1, the tip of the conical filter element 4 is provided with an opening structure 41 along the radial direction, when the conical filter element 4 is required to be separated from the upper cover 2, a matching cylinder or other matching objects such as steel bars can be inserted through the opening structure 41, and then the separation of the conical filter element 4 from the upper cover 2 can be realized by rotating the inserted cylinder towards one end, for example, so that the conical filter element 4 can be more conveniently detached.
In the above embodiments, the connection between the upper cover 2 and the conical filter element 4 by the fixing flange 43 and the chuck is merely for illustration and is not limited. The connection of the cover 2 to the conical filter insert 4 can of course also be made by other means, such as internal and external threads, which will not be described here in order to avoid encumbrance.
In one embodiment, the upper cover 2 and the lower cover 3 are provided with a vent hole, and a vent valve is provided on the vent hole. Specifically, the exhaust valve may be one or a combination of a ball valve, a solenoid valve, a one-way valve, and the like, and is not limited herein, and may be set according to specific needs. In the embodiment, the exhaust valves are arranged on the exhaust holes of the upper cover 2 and the lower cover 3, when slurry is filtered, the exhaust can be carried out according to specific working conditions, so that air in the filtering device is exhausted, and the problem that air bubbles are generated by mixing air in the slurry to influence coating quality can be prevented.
In one embodiment, the filter device further comprises a fixation structure 5, the fixation structure 5 being arranged outside the housing 1. In particular, the fastening structure 5 can be arranged on the outside of the housing 1 by means of welding, wherein the fastening structure 5 can be used in particular for fastening the filter device to a support. In this embodiment, besides the fixing structure 5 is fixed to the housing 1 by welding, it is of course possible to fix the fixing structure to the housing 1 by other means, such as by opening holes and providing bolts, etc., which are not limited herein, and are not described herein to avoid redundancy.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A filter apparatus for filtering a slurry, the filter apparatus comprising a housing, an upper cover, a lower cover, and a conical filter element; the upper cover is connected with the upper end of the shell, the lower end of the shell is connected with the lower cover, the lower cover is provided with a filtering inlet, the upper cover is provided with a filtering outlet, and the conical filter element is arranged in the shell; when the slurry is filtered, the slurry flows through the conical filter element through the filtering inlet of the lower cover for filtering, and the filtered slurry flows out through the filtering outlet of the upper cover.
2. The filter apparatus for filtering slurry of claim 1, wherein the conical filter element is disposed with its tip end facing downward at the bottom of the filter apparatus, the conical filter element being connected to the upper cover; the slurry flows through the conical filter element through the filtering inlet to be filtered, and the filtered slurry flows out through the filtering outlet.
3. The filter apparatus for filtering slurry of claim 2, wherein said upper cover is provided with an upwardly projecting structure connected to said upper cover and communicating with said filter outlet; the lower cover is provided with a lower convex structure, and the lower convex structure is connected with the lower cover and communicated with the filtering inlet.
4. The filter apparatus for filtering a slurry of claim 3, wherein said filter apparatus comprises a mounting flange and a chuck, said chuck being disposed at a rounded end of said conical filter element, said mounting flange being connected to said chuck; the middle end of the fixing flange is a through hole, an internal thread is arranged in the through hole, the upper convex structure axially extends out of the mounting end with a through hole structure along the shell, an external thread is arranged on the outer side of the mounting end, and the upper cover is connected with the internal thread of the through hole through the external thread of the mounting end.
5. The filter apparatus for filtering a slurry of claim 4, further comprising a seal ring disposed on the chuck between the chuck and the mounting flange.
6. The filter apparatus for filtering a slurry of any of claims 3 to 5, wherein the tips of the conical filter element are in a non-filter element configuration and a portion of the tips of the conical filter element are located within the lower projection configuration.
7. The filter apparatus for filtering a slurry of claim 6, wherein the tip of said conical filter element is radially provided with an open cell structure.
8. The filtering device for filtering slurry according to any one of claims 1 to 5, wherein the upper cap and the lower cap are provided with a vent hole, and the vent hole is provided with a vent valve.
9. The filter apparatus for filtering a slurry of any of claims 1-5, further comprising a securing structure disposed on an exterior side of the housing.
10. The filter apparatus for filtering a slurry of any of claims 1-5, further comprising a pressurizing device that allows the slurry to flow through the conical filter element for filtration through the filter inlet and allows the filtered slurry to flow out through the filter outlet.
CN202020141338.XU 2020-01-21 2020-01-21 Filtering device for filtering slurry Active CN212262549U (en)

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Application Number Priority Date Filing Date Title
CN202020141338.XU CN212262549U (en) 2020-01-21 2020-01-21 Filtering device for filtering slurry

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978880A (en) * 2021-04-02 2021-06-18 宁波磁性材料应用技术创新中心有限公司 Filter element for removing heavy metals in water and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978880A (en) * 2021-04-02 2021-06-18 宁波磁性材料应用技术创新中心有限公司 Filter element for removing heavy metals in water and use method thereof

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Address after: No.3 workshop 101-201, area C, third industrial zone, Zhukeng community, Longtian street, Pingshan District, Shenzhen, Guangdong 518000

Patentee after: Shenzhen manest Technology Co.,Ltd.

Address before: No.3 workshop 101-201, area C, third industrial zone, Zhukeng community, Longtian street, Pingshan District, Shenzhen, Guangdong 518000

Patentee before: SHENZHEN MANST TECHNOLOGY Co.,Ltd.