High-viscosity slurry filter pressing device

Abstract

The utility model discloses a high-viscosity slurry filter pressing device which comprises a base, a bottom cup, a filtering assembly and a driving assembly, wherein the filter assembly comprises a filter cup which is arranged right above the bottom cup and is provided with openings in the upper end and the lower end, and a filter screen cover plate, a filter screen and a filter screen supporting plate which are sequentially arranged at the bottom of the filter cup from top to bottom; wherein the driving assembly comprises a longitudinal driving cylinder, a pushing rod connected with the output end of the longitudinal driving cylinder, and a pushing piston which is fixed with the bottom of the pushing rod and can move up and down along the inner wall of the filter cup; meanwhile, an annular positioning ring for placing the filter screen is arranged on the upper surface of the filter screen supporting plate, and a circular clamping groove for fixing the filter screen and the annular positioning ring is formed in the lower surface of the filter screen cover plate; the vacuum filter has the advantages that the problems of deformation, edge cracking and influence on the filtering effect caused by non-uniform stress of the filter screen in the filtering process are solved, meanwhile, the filter element is effectively prevented from being blocked by the vacuum generator, and the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slurry filtering equipment, and particularly relates to a high-viscosity slurry pressure filtration device. Background Art

[0002] In industrial production, the filtration process of high-viscosity slurry is a common production process. Since high-viscosity slurry often contains a large amount of solid particles or other impurities, it is necessary to separate the impurities through filtration. At present, the following main problems exist in the existing technologies: 1. Low filtration efficiency; 2. High filtration cost; 3. The filter medium is easily blocked during the filtration process; 4. It is difficult to clean and maintain the equipment after filtration.

[0003] However, for the small vacuum filtration equipment used in the market, in addition to the difficult assembly, the edge of the filter screen is locked by screws, which easily causes uneven stress and deformation and edge bursting of the filter screen; the channel of the vacuum generator used is easily blocked by the slurry carried out by negative pressure, and it is inconvenient to clean, which easily causes blockage of the filter element at the tail of the generator, affecting the vacuum effect, and the filtration efficiency is low. Summary of the Invention

[0004] The purpose of the utility model is to provide a high-viscosity slurry pressure filtration device, which fixes the filter screen between the filter screen support plate and the filter screen cover plate. It not only has a simple structure, but also solves the problem that the filter screen is prone to uneven stress, deformation and edge bursting during the filtration process, which affects the filtration effect. At the same time, it is convenient to disassemble, install and clean the filter screen, effectively avoiding the blockage of the filter element of the vacuum generator, thereby improving the filtration efficiency.

[0005] The technical solution of the utility model is: a high-viscosity slurry pressure filtration device, which includes a base, and a bottom cup, a filtration component and a driving component sequentially arranged on the base from bottom to top;

[0006] Wherein, the filtration component includes a filtration cup which is arranged directly above the bottom cup and has openings at both the upper and lower ends, and a filter screen cover plate, a filter screen and a filter screen support plate sequentially arranged from top to bottom at the bottom of the filtration cup; the driving component includes a longitudinal driving cylinder, a push rod connected to the output end of the longitudinal driving cylinder, and a push piston fixed to the bottom of the push rod and capable of moving up and down along the inner wall of the filtration cup; at the same time, an annular positioning ring for placing the filter screen is arranged on the upper surface of the filter screen support plate, and a circular card slot for fixing the filter screen and the annular positioning ring is arranged on the lower surface of the filter screen cover plate.

[0007] As a preferred technical solution, a fixed connection seat is arranged on the peripheral side of the bottom of the filtration cup, and a support column is arranged below each of the two sides of the fixed connection seat. At the same time, a stepped mounting hole matching the top of the support column is arranged on each of the two sides of the fixed connection seat.

[0008] As a preferred technical solution, the fixed connection seat, the filter screen cover plate, and the filter screen support plate are fixed by a plurality of longitudinally arranged bolts.

[0009] As a preferred technical solution, the filter cup is a cylindrical barrel, and an elastic rubber ring is provided on the push piston and is hermetically arranged with the inner wall of the cylindrical barrel.

[0010] As a preferred technical solution, a plurality of radially arranged mesh holes are provided on the filter screen cover plate, the filter screen, and the filter screen support plate.

[0011] As a preferred technical solution, the diameter of the mesh holes on the filter screen gradually decreases from the outside to the inside.

[0012] As a preferred technical solution, it further includes a horizontally arranged support plate for fixing the longitudinal drive cylinder, and a plurality of columns are provided between the support plate and the base.

[0013] The advantages of the present utility model are as follows:

[0014] 1. For the high-viscosity slurry pressure filtration device of the present utility model, the filter screen is fixed between the filter screen support plate and the filter screen cover plate, which not only has a simple structure, but also solves the problem that the filter screen is prone to deformation and edge bursting during the filtration process due to uneven force, affecting the filtration effect. At the same time, it is convenient for the disassembly, installation, and cleaning of the filter screen, effectively avoiding the blockage of the vacuum generator by the filter element, thereby improving the filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. The drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0017] Figure 1 It is the main structural view of the present utility model;

[0018] Figure 2 It is the assembly schematic diagram of the filter screen cover plate, the filter screen, and the filter screen support plate in the present utility model;

[0019] Figure 3 It is the three-dimensional structural view of the filter cup in the present utility model;

[0020] Figure 4 It is the bottom view of the structure of the filter cup in the present utility model;

[0021] Figure 5 It is the structural bottom view of the filter screen cover plate in the present utility model;

[0022] Figure 6 It is the structural top view of the filter screen in the present utility model;

[0023] Figure 7 It is the structural top view of the filter screen support plate in the present utility model;

[0024] Wherein: 1 base;

[0025] 2 bottom cup;

[0026] 3 filter assembly, 31 filter cup, 311 fixed connection seat, 312 stepped mounting hole, 32 filter screen cover plate, 321 circular card slot, 33 filter screen, 34 filter screen support plate, 341 annular positioning ring;

[0027] 4 drive assembly, 41 longitudinal drive cylinder, 42 push rod, 43 push piston, 44 elastic rubber; 5 support column, 6 bolt, 7 mesh hole, 8 support plate, 9 column. Specific embodiments

[0028] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are for illustrating the present utility model and not for limiting the scope of the present utility model. The implementation conditions adopted in the embodiments can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not specified are usually the conditions in conventional experiments.

[0029] Embodiment: Refer to Figures 1 to 7As shown in the figure, a high-viscosity slurry pressure filtration device includes a base 1, and a bottom cup 2, a filtration component 3, and a driving component 4 that are sequentially arranged on the base 1 from bottom to top. The filtration component 3 includes a filtration cup 31 that is arranged directly above the bottom cup 1 and has openings at both the upper and lower ends, and a filter screen cover plate 32, a filter screen 33, and a filter screen support plate 34 that are sequentially arranged from top to bottom at the bottom of the filtration cup 31. The driving component 4 includes a longitudinal driving cylinder 41, a push rod 42 connected to the output end of the longitudinal driving cylinder 41, and a push piston 43 that is fixed to the bottom of the push rod 42 and can move up and down along the inner wall of the filtration cup 31. At the same time, an annular positioning ring 341 for placing the filter screen 33 is arranged on the upper surface of the filter screen support plate 34, and a circular card slot 321 for fixing the filter screen 33 and the annular positioning ring 341 is arranged on the lower surface of the filter screen cover plate 32. The filter screen 33 is fixed between the filter screen support plate 34 and the filter screen cover plate 32 without punching holes in the filter screen 33. At the same time, the filter screen support plate 34 provides support for the filter screen 33, and the force is evenly distributed, solving the problem that the filter screen 33 is prone to deformation and edge explosion during the filtration process and affecting the filtration effect. At the same time, it is convenient for the filter screen 33 to be disassembled, assembled and cleaned, effectively avoiding the blockage of the vacuum generator by the filter element, thereby improving the filtration efficiency.

[0030] Refer to Figure 1 , Figure 3 , Figure 4 As shown in the figure, in this embodiment, a fixed connection seat 311 is arranged on the peripheral side of the bottom of the filtration cup 31, and a support column 5 is arranged below each of the two sides of the fixed connection seat 311. At the same time, a stepped mounting hole 312 that matches the top of the support column 5 is arranged on each of the two sides of the fixed connection seat 311, and the top of the support column 5 is arranged in a stepped shape.

[0031] Refer to Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 7 As shown in the figure, in this embodiment, the fixed connection seat 311, the filter screen cover plate 32, and the filter screen support plate 34 are fixed by six longitudinally arranged bolts 6.

[0032] Refer to Figure 1 As shown in the figure, in this embodiment, the filtration cup 31 is a cylindrical barrel, and an elastic rubber 44 is arranged on the push piston 43 and is hermetically arranged with the inner wall of the filtration cup 31, ensuring relative sealing during the pressure filtration process.

[0033] Refer to Figure 5 , Figure 6 , Figure 7As shown, in this embodiment, a plurality of radially arranged mesh holes 7 are provided on the filter screen cover plate 32, the filter screen 33, and the filter screen support plate 34, and the diameter of the mesh holes 7 on the filter screen 33 gradually decreases from the outside to the inside.

[0034] Referring to Figure 1 As shown, in this embodiment, the high-viscosity slurry pressure filtration device further includes a support plate 8 that is horizontally arranged and used to fix the longitudinal driving cylinder 41, and four columns 9 are provided between the support plate 8 and the base 1.

[0035] The above embodiments are only for illustrating the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It should not be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A high viscosity slurry filter press device, characterized in that: It comprises a base, and a bottom cup, a filter assembly and a drive assembly which are sequentially arranged on the base from bottom to top; The filter assembly comprises a filter cup which is arranged directly above the bottom cup and has openings at both ends, and a filter screen cover plate, a filter screen and a filter screen support plate which are arranged at the bottom of the filter cup in sequence from top to bottom; the drive assembly comprises a longitudinal drive cylinder, a push rod connected to the output end of the longitudinal drive cylinder, and a push piston which is fixed to the bottom of the push rod and can move up and down along the inner wall of the filter cup; at the same time, an annular positioning ring for placing the filter screen is provided on the upper surface of the filter screen support plate, and a circular groove for fixing the filter screen and the annular positioning ring is provided on the lower surface of the filter screen cover plate.

2. The high viscosity slurry filter press device according to claim 1, characterized in that: A fixed connection seat is arranged on the peripheral side of the bottom of the filter cup, and a support column is arranged below each of the two sides of the fixed connection seat. At the same time, a stepped mounting hole matching the top of the support column is arranged on each of the two sides of the fixed connection seat.

3. The high viscosity slurry filter press device according to claim 2, characterized in that: The fixed connection seat, the filter screen cover plate and the filter screen support plate are fixed by a plurality of longitudinally arranged bolts.

4. The high viscosity slurry filter press device according to claim 1, characterized in that: The filter cup is a cylindrical barrel, and a circle of elastic rubber is arranged on the pushing piston and is sealed with the inner wall of the cylindrical barrel.

5. The high viscosity slurry filter press device according to claim 1, characterized in that: The filter screen cover plate, the filter screen and the filter screen support plate are all provided with a plurality of mesh holes arranged in a radial shape.

6. The high viscosity slurry filter press device according to claim 1, characterized in that: The diameter of the mesh holes on the filter screen gradually decreases from the outside to the inside.

7. The high viscosity slurry filter press device according to claim 1, characterized in that: It also includes a horizontally arranged support plate for fixing the longitudinal drive cylinder, and a plurality of columns are arranged between the support plate and the base.

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