Filter chassis with back flushing function

Abstract

The utility model belongs to the technical field of filtering equipment, and particularly relates to a filtering base plate with a back flushing function, which comprises a base plate and a back flushing device, a plurality of through holes are formed in the supporting disc, the supporting disc is arranged above the chassis, and a collecting cavity is formed between the supporting disc and the collecting plate; the filtering piece is fixed above the supporting disc; a purging pipeline is fixed to the upper surface of the collecting plate, a plurality of purging holes are formed in the purging pipeline, and the lower end of the collecting plate is connected with a conveying pipeline connected with the purging pipeline. The purging structure of the filtering chassis is improved, the purging pipeline is fixed on the upper surface of the collecting plate, the purging holes are formed in the purging pipeline, and the purging pipeline is connected with the conveying pipeline of the purging pipeline, so that a purging medium firstly enters the collecting cavity and then purges a filtering piece through the supporting disc, the maximum purging surface is realized, and the purging efficiency is improved. The purging efficiency is improved, and the purging pipeline is more convenient to connect.

Description

Technical Field

[0001] This utility model belongs to the field of filtration equipment technology, specifically relating to a filter chassis with backflushing function. Background Technology

[0002] Filtration, washing, and drying equipment is a device that completes the processes of filtration, washing, and drying of materials within a tank to prevent contamination by foreign objects or microorganisms. During the operation of filtration, washing, and drying equipment, situations often arise where the material has high viscosity. In such cases, the material is prone to agglomeration due to its high viscosity, limiting the drying effect and efficiency. Similarly, during filtration, highly viscous materials are prone to bridging, affecting the filtration effect and efficiency. Traditional equipment struggles to overcome these problems. The applicant's prior authorized invention patent CN202111571634.9 discloses a filter chassis with a backflushing function, including a base. A filter element and a perforated plate supported below the filter element are disposed on the upper end of the chassis. Multiple purge pipes are fixedly installed on the base, with one end serving as the purge end and extending to the bottom of the filter element, and the other end serving as the air inlet end and extending downwards to the outside of the base. The above-mentioned technical solution involves purging pipes extending directly to the bottom of the filter element for purging. Each purging pipe can only purge a very limited area, resulting in low purging efficiency. To achieve a larger purging range, more purging pipes need to be installed, which increases costs and makes the connection of the purging pipes under the chassis more complicated. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and to provide a filter chassis with a backflushing function.

[0004] The technical solution adopted by this utility model is as follows: A filter chassis with a backflushing function, comprising:

[0005] The chassis has a collection plate;

[0006] The support plate has several through holes, is located above the base plate, and forms a collection cavity between itself and the collection plate;

[0007] The filter element is fixed above the support plate;

[0008] A purging pipe is fixed on the upper surface of the collecting plate, and the purging pipe is provided with a number of purging holes. A conveying pipe connected to the purging pipe is connected to the lower end of the collecting plate.

[0009] The purging pipeline includes several first purging pipes extending radially along the chassis.

[0010] The collection plate has a mother liquor collection hole at its center. The upper surface of the collection plate is a conical surface with a center height lower than the periphery height. Several first purge pipes are evenly distributed around the mother liquor collection hole and are spaced a certain distance from the mother liquor collection hole.

[0011] The first purge pipe has a discharge port at its inner end near the mother liquor collection hole, which is used to connect to the mother liquor discharge pipeline.

[0012] The delivery pipe is connected to the outer end of the first purging pipe.

[0013] The purging pipe includes a second purging pipe connected to the outer end of the first purging pipe; the conveying pipe is located at the lower end of the second purging pipe and connected to the second purging pipe; the second purging pipe is connected to at least two first purging pipes; the second purging pipe is an arc or circle concentric with the mother liquor collection hole.

[0014] The purge holes are inclined relative to the centerline of the conveying pipeline and are distributed on both sides of the centerline of the conveying pipeline.

[0015] The conveying pipe is integrally formed with the collecting plate and is raised relative to the surface of the collecting plate.

[0016] Several support blocks are fixed on the collecting plate, and the upper surface of the support blocks is attached to the lower surface of the support plate.

[0017] The fixing component includes a connecting block, a connecting pipe, a connecting screw, and a limiting block. The connecting block is fixedly connected to the bottom of the support plate, the connecting pipe is fixedly connected to the collecting plate, the connecting screw passes through the connecting pipe and its two ends are respectively connected to the connecting block and the limiting block, and the connecting screw is threadedly connected to the connecting block and / or the limiting block so that the connecting block, the connecting pipe, and the limiting block abut and limit each other.

[0018] A sealing element is provided between the connecting block and the connecting pipe.

[0019] The beneficial effects of this utility model are as follows: This utility model improves the purging structure of the filter chassis. By fixing a purging pipe on the upper surface of the collection plate, setting several purging holes on the purging pipe, and a conveying pipe for connecting the purging pipe to the purging pipeline, the purging medium first enters the collection chamber, and then the filter element is purged by the support plate, thereby maximizing the purging surface, improving purging efficiency, and making the connection of the purging pipeline more convenient. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, obtaining other drawings based on these drawings without creative effort still falls within the scope of this utility model.

[0021] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the chassis structure in one embodiment of the present invention;

[0023] Figure 3 This is a cross-sectional view of the purging pipe with a purging hole in one embodiment of the present invention.

[0024] Figure 4 for Figure 1 Enlarged diagram of part A in the middle;

[0025] Figure 5 for Figure 1 Enlarged diagram of section B;

[0026] In the diagram, chassis-1, collection plate-101, mother liquor collection hole-102, support plate-2, through hole-201, filter element-3, purging pipe-4, purging hole-401, first purging pipe-402, second purging pipe-403, conveying pipe-5, fixing component-6, connecting block-601, connecting pipe-602, connecting screw-603, limiting block-604, sealing element-605, support block-7, and mother liquor collection pipe-8. Detailed Implementation

[0027] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0028] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.

[0029] The directional and positional terms used in this utility model, such as up, down, front, back, left, right, inside, outside, top, bottom, side, etc., are only for reference to the accompanying drawings. Therefore, the directional and positional terms used are for the purpose of explaining and understanding this utility model, and not for limiting the scope of protection of this utility model.

[0030] A filter chassis with backflushing function, such as Figure 1 As shown, the system includes a chassis 1, a support plate 2, and a filter element 3. The chassis 1 includes a collection plate 101 with a mother liquor collection hole 102 at its center. A mother liquor collection pipe 8 is located at the lower end of the collection plate 101 corresponding to the mother liquor collection hole 102, for discharging the filtered mother liquor. The support plate 2 is a porous plate with several through holes 201. It is fixed above the chassis 1 and forms a collection cavity with the collection plate 101. The filter element 3 can be a common filter medium found in filtration equipment, such as sintered mesh, filter cloth, or filter paper. It is laid flat on the surface of the support plate 2 and fixed to its outer periphery. After filtration by the filter element 3, the mother liquor enters the collection cavity through the through holes 201 of the support plate 2 and is discharged through the mother liquor collection pipe 8. The upper surface of the collection plate 101 is a conical surface with a center height lower than the outer periphery, which facilitates smoother mother liquor discharge and minimizes mother liquor residue.

[0031] like Figure 1 , Figure 2 As shown, a purge pipe 4 is fixed to the upper surface of the collection plate 101. The purge pipe 4 has several purge holes 401. A conveying pipe 5, connected to the purge pipe 4, is connected to the lower end of the collection plate 101. That is, the purge pipe delivers the purge medium to the purge pipe 4 through the conveying pipe 5. The purge medium is then conveyed to the collection chamber through the purge holes 401 and purges the filter element 3 through the through holes 201 of the support plate 2. This maximizes the purge surface area, improves purge efficiency, and makes the purge pipe connection more convenient.

[0032] Furthermore, the purge pipe 4 includes several first purge pipes 402 extending radially along the chassis 1 to deliver the purge medium at different radii. Specifically, the several first purge pipes 402 are evenly distributed around the mother liquor collection hole 102 and spaced a certain distance from it. This arrangement makes the distribution of the purge medium delivered by the first purge pipes 402 more uniform and reduces the possibility of the mother liquor accumulating at the low center of the collection plate 101 and entering the purge pipe 4.

[0033] Furthermore, the delivery pipe 5 is connected to the outer end of the first purge pipe 402. The outer end of the first purge pipe 402 has a larger spacing, which facilitates the installation of the delivery pipe 5 and its connection with the air blowing pipeline. Specifically, the purge pipe 4 includes a second purge pipe 403 connected to the outer end of the first purge pipe 402; the delivery pipe 5 is located at the lower end of the second purge pipe 403 and connected to it; the second purge pipe 403 connects to at least two first purge pipes 402; the second purge pipe 403 is an arc or circle concentric with the mother liquor collection hole 102. The arrangement of the second purge pipe 403 complements the space between adjacent first purge pipes 402, which helps to ensure the uniformity of the distribution of the purge medium in the collection chamber.

[0034] Furthermore, such as Figure 3 As shown, the purge holes 401 are inclined relative to the centerline of the conveying pipeline 5 and distributed on both sides of the centerline of the conveying pipeline 5. The purge medium is inclinedly discharged through the purge holes, as shown. Figure 2 As shown, the first purge pipe 402, which extends radially along the chassis 1, delivers the medium to both sides, while the second purge pipe 403, which is concentric with the mother liquor collection hole 102, delivers the medium inward and outward, which helps to ensure the uniformity of the distribution of the purge medium in the collection chamber.

[0035] Furthermore, the conveying pipe 5 is integrally formed with the collecting plate 101 and protrudes from the surface of the collecting plate 101. Alternatively, a separate pipe can be used and fixed to the surface of the collecting plate 101 by other connectors. However, the height in the collecting cavity is relatively limited, and the method of integrally forming the conveying pipe 5 with the collecting plate 101 is more economical.

[0036] A plurality of support blocks 7 are fixed on the collecting plate 101, and the upper end face of the support block 7 is in contact with the lower end face of the support plate 2. This improves the pressure resistance of the support plate 2 and prevents the support plate 2 from denting.

[0037] At least one set of fixing components 6 connects the collecting plate 101 and the support plate 2, such as Figure 4 , Figure 5As shown, the fixing component 6 includes a connecting block 601, a connecting pipe 602, a connecting screw 603, and a limiting block 604. The connecting block 601 is fixedly connected to the bottom of the support plate 2, and the connecting pipe 602 is fixedly connected to the collecting plate 101. The connecting screw 603 passes through the connecting pipe 602 and its two ends are respectively connected to the connecting block 601 and the limiting block 604. The connecting screw 603 is threadedly connected to the connecting block 601 and / or the limiting block 604, so that the connecting block 601, the connecting pipe 602, and the limiting block 604 abut and limit each other. The connecting block 601 is welded to the support plate 2, and the connecting pipe 602 is welded to the collecting plate 101. The threaded connection structure enables the connecting block 601, the connecting pipe 602, and the limiting block 604 to abut and limit each other, which serves both to support the support plate 2 and improve its pressure resistance, and to tighten the support plate 2 to prevent it from bulging upwards under high purging medium pressure. In this embodiment, both ends of the connecting screw 603 are threaded, and the connection between it and the connecting block 601 and the limiting block 604 is threaded. The limiting block 604 directly adopts a matching nut.

[0038] A sealing element 605 is provided between the connecting block 601 and the connecting pipe 602 to prevent the mother liquor and purging medium from leaking between the connecting block 601 and the connecting pipe 602.

[0039] In this embodiment, there is a certain probability that the mother liquor will enter the purge pipe 4 and the delivery pipe 5 through the purge hole 401. In order to prevent the mother liquor from entering the purge pipe, the purge pipe 4 can be connected to the mother liquor discharge pipe. Specifically, a T-shaped pipe can be installed on the delivery pipe 5 and connected to both the purge pipe and the mother liquor discharge pipe. Alternatively, an outlet can be installed at the inner end of the first purge pipe 402, that is, at the lowest point of the purge pipe 4, to connect to the mother liquor discharge pipe and improve the mother liquor discharge efficiency.

[0040] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A filter chassis with a backflush function, comprising: Chassis (1) has a collection plate (101); The support plate (2) has several through holes (201), which are located above the base plate (1) and form a collection cavity between it and the collection plate (101); The filter element (3) is fixed above the support plate (2); The features are as follows: a purge pipe (4) is fixed on the upper surface of the collecting plate (101), a plurality of purge holes (401) are provided on the purge pipe (4), and a conveying pipe (5) connected to the purge pipe (4) is connected to the lower end of the collecting plate (101).

2. The filter chassis with backflushing function according to claim 1, characterized in that: The purge pipe (4) includes a plurality of first purge pipes (402) extending radially along the chassis (1).

3. The filter chassis with backflushing function according to claim 2, characterized in that: The collection plate (101) has a mother liquor collection hole (102) at its center. The upper surface of the collection plate (101) is a conical surface with a center height lower than the outer perimeter height. Several first purge pipes (402) are evenly distributed around the mother liquor collection hole (102) and are spaced a certain distance from the mother liquor collection hole (102).

4. The filter chassis with backflushing function according to claim 3, characterized in that: The first purge pipe (402) has an outlet at its inner end near the mother liquor collection hole (102) for connecting to the mother liquor discharge pipeline.

5. The filter chassis with backflushing function according to claim 2, characterized in that: The delivery pipe (5) is connected to the outer end of the first purge pipe (402).

6. The filter chassis with backflushing function according to claim 2, characterized in that: The purging pipe (4) includes a second purging pipe (403) connected to the outer end of the first purging pipe (402), and the conveying pipe (5) is located at the lower end of the second purging pipe (403) and connected to the second purging pipe (403); the second purging pipe (403) is connected to at least two first purging pipes (402); the second purging pipe (403) is an arc or circle concentric with the mother liquor collection hole (102).

7. The filter chassis with backflushing function according to any one of claims 1-6, characterized in that: The purge holes (401) are inclined relative to the centerline of the conveying pipe (5) and are distributed on both sides of the centerline of the conveying pipe (5).

8. The filter chassis with backflushing function according to any one of claims 1-6, characterized in that: The conveying pipe (5) is integrally formed with the collecting plate (101) and is raised relative to the surface of the collecting plate (101).

9. The filter chassis with backflushing function according to any one of claims 1-6, characterized in that: A number of support blocks (7) are fixed on the collecting plate (101), and the upper end face of the support block (7) is attached to the lower end face of the support plate (2).

10. The filter chassis with backflushing function according to any one of claims 1-6, characterized in that: At least one set of fixing components (6) is connected between the collecting plate (101) and the support plate (2). The fixing components (6) include a connecting block (601), a connecting pipe (602), a connecting screw (603), and a limiting block (604). The connecting block (601) is fixedly connected to the bottom of the support plate (2), and the connecting pipe (602) is fixedly connected to the collecting plate (101). The connecting screw (603) passes through the connecting pipe (602) and its two ends are respectively connected to the connecting block (601) and the limiting block (604). The connecting screw (603) is threadedly connected to the connecting block (601) and / or the limiting block (604) so ​​that the connecting block (601), the connecting pipe (602), and the limiting block (604) abut and limit each other.

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