Filtering mechanism of plate-and-frame filter press

Abstract

The utility model relates to the technical field of filter presses, and discloses a filter mechanism of a plate-and-frame filter press, which comprises a filter plate and filter cloth detachably connected to the filter plate, and is characterized in that the filter plate is cuboid and is hollow, a feed pipe is arranged in the center of the filter plate in a penetrating manner, and the feed pipe is communicated with the filter cloth. The filter device comprises a filter plate, a feed pipe is arranged in the filter plate, two opposite sides of the filter plate are respectively provided with a circular-ring-shaped concave filter cavity, the feed pipe on the two opposite sides of the filter plate is sequentially sleeved with filter cloth and a positioning frame, and the positioning frame can abut against the side faces of the filter cavities, and the filter device has the following advantages and effects that the filter cloth is convenient to disassemble and assemble and can be replaced at any time according to needs; the operation efficiency is improved; the filtering quality is ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of plate and frame filter press devices, and in particular to a filtration mechanism for a plate and frame filter press. Background Technology

[0002] Plate and frame filter press is a commonly used solid-liquid separation equipment. Its working principle is mainly based on the pressure difference on both sides of the filter medium, so that the liquid passes through the filter medium while the solid particles are trapped on the filter medium, thereby achieving solid-liquid separation.

[0003] Currently, the disassembly and assembly of filter cloths in plate and frame filter presses on the market are quite cumbersome, which affects the overall operating efficiency. Therefore, a filtration mechanism that makes it easy to disassemble filter cloths is needed. Utility Model Content

[0004] The purpose of this invention is to provide a filtration mechanism for a plate and frame filter press, which has the advantages of convenient filter cloth installation and disassembly and improved filtration efficiency.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: including a filter plate and a filter cloth detachably connected to the filter plate, characterized in that: the filter plate is cuboid and hollow inside, a feed pipe is provided through the center of the filter plate, and a concave filter cavity in the shape of a ring is provided on both sides of the filter plate, and a filter cloth and a positioning frame are sequentially sleeved on the feed pipe on both sides of the filter plate, and the positioning frame can abut against the side of the filter cavity.

[0006] A further feature of this invention is that the positioning frame includes a central ring 1, an outer ring 2, and a support rod connecting the ring 1 and the ring 2. The sides of the ring 1 and the ring 2 near the filter plate are provided with pressing blocks with a triangular cross-section. The outer side of the filter cavity is provided with a concave groove with a triangular cross-section, and the pressing blocks can abut against the groove.

[0007] A further feature of this invention is that: positioning rods are symmetrically and vertically fixed on the filter cavity, and two positioning rods are respectively provided on opposite sides of the feed pipe, with the four positioning rods located on the same straight line.

[0008] A further feature of this invention is that the filter cloth includes two identical arched components, namely, Arched Component 1 and Arched Component 2. Each of Arched Component 1 and Arched Component 2 has two positioning holes at its two ends. The positioning holes at the two ends of Arched Component 1 and Arched Component 2 can overlap. After the positioning holes overlap, they can be fitted onto the positioning rod.

[0009] A further feature of this invention is that the number of support rods is two, symmetrically distributed within the positioning frame, and each support rod is provided with two positioning holes, which are respectively inserted into the positioning rod.

[0010] A further feature of this invention is that a pressure rod is provided inside the positioning frame, the pressure rod is fixed between the first ring and the second ring, and the number of pressure rods is two, symmetrically arranged inside the positioning frame, with the pressure rod perpendicular to the positioning rod.

[0011] A further feature of this invention is that the feed pipes located on both sides of the filter plate are provided with external threads, and tightening nuts are threaded onto the external threads.

[0012] A further feature of this invention is that the filter cavity is provided with a plurality of filter material holes.

[0013] A further feature of this invention is that the outer side of the filter plate is provided with a discharge hole, and the filter material hole is connected to the discharge hole.

[0014] A further feature of this invention is that: a support plate is provided on each of the opposite sides of the filter plate perpendicular to the filter cavity, and a concave arc-shaped plate is provided on the bottom surface of each support plate, and a roller is provided on the bottom surface of the arc-shaped plate.

[0015] The beneficial effects of this utility model are:

[0016] 1. When the filter cloth needs to be installed, first align the positioning holes at both ends of the first and second arched parts of the filter cloth. Then, place the positioning holes onto the positioning rod to pre-position it. Next, align the positioning holes of the support rod on the positioning frame with the positioning rod and insert the positioning rod into the support rod. At this time, the clamping blocks on the sides of the first and second rings in the positioning frame are locked with the grooves, pressing the filter cloth tightly. Then, tighten the nut onto the feed pipe so that the positioning frame is close to the filter chamber. The filter cloth is easy to install and remove and can be replaced as needed, improving operating efficiency and ensuring filtration quality.

[0017] 2. The filter media holes on the filter chamber are located on the surface of the filter chamber corresponding to the first and second rings. Therefore, the liquid to be filtered will be filtered through the filter cloth before entering the filter plate, ensuring filtration efficiency.

[0018] 3. The rollers on the bottom of the arc-shaped plate facilitate the sliding of the filter plate on the outer crossbar. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the mechanism of this utility model.

[0021] Figure 2 yes Figure 1 A schematic diagram of the explosion structure.

[0022] Figure 3 yes Figure 2 A schematic diagram of the structure from another side.

[0023] In the diagram, 1. Filter plate; 2. Roller; 3. Feed pipe; 4. Filter chamber; 5. Filter cloth; 51. Arched part one; 52. Arched part two; 53. Positioning hole one; 6. Positioning frame; 61. Ring one; 62. Ring two; 63. Support rod; 7. Clamping block; 8. Groove; 9. Positioning rod; 10. Positioning hole two; 11. Pressure rod; 12. External thread; 13. Tightening nut; 14. Filter media hole; 15. Discharge hole; 16. Support plate. Detailed Implementation

[0024] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0025] Example: A filtration mechanism for a plate and frame filter press, such as... Figures 1-3As shown, the device includes a filter plate 1 and a filter cloth 5 detachably connected to the filter plate 1. The filter plate 1 is rectangular and hollow inside. A feed pipe 3 is inserted through the center of the filter plate 1. Concave filter cavities 4 in the shape of annulus are provided on opposite sides of the filter plate 1. Filter cloth 5 and positioning frames 6 are sequentially fitted onto the feed pipes 3 on opposite sides of the filter plate 1. The positioning frames 6 can abut against the sides of the filter cavities 4. The positioning frames 6 include a central annulus 61, an outer annulus 62, and a support rod 63 connecting the central annulus 61 and the outer annulus 62. Annular ring 61 and annular ring 62 are provided with a triangular cross-section pressing block 7 on the side near the filter plate 1. The outer side of the filter cavity 4 is provided with a concave triangular cross-section groove 8, in which the pressing block 7 can abut. A positioning rod 9 is symmetrically and vertically fixed on the filter cavity 4. Two positioning rods 9 are respectively provided on opposite sides of the feed pipe 3. The four positioning rods 9 are located on the same straight line. The filter cloth 5 includes two identical arched parts 51 and 52. Each of the two arched parts 51 and 52 is provided with a clamping block 7 at each of its two ends. Two positioning holes 53, and the two end positioning holes 53 of each of the arched parts 51 and 52 can overlap. After the positioning holes 53 overlap, they can be fitted onto the positioning rod 9. There are two support rods 63, symmetrically distributed within the positioning frame 6. Each support rod 63 has two positioning holes 10, which are inserted into the positioning rod 9 respectively. When the filter cloth 5 needs to be installed, first align and overlap the positioning holes 53 at both ends of the arched parts 51 and 52 of the filter cloth 5, and then... Positioning hole 53 is fitted onto positioning rod 9 for pre-positioning. Then, positioning hole 10 of support rod 63 on positioning frame 6 is aligned with positioning rod 9 and fitted onto positioning rod 9, so that positioning rod 9 is inserted into support rod 63. At this time, the clamping block 7 on the side of ring 61 and ring 62 in positioning frame 6 is locked with groove 8, pressing filter cloth 5 tightly. Then, tightening nut 13 is tightened onto feed pipe 3, so that positioning frame 6 is close to filter chamber 4. Filter cloth 5 is easy to install and remove and can be replaced at any time as needed, improving operating efficiency and ensuring filtration quality.

[0026] Furthermore, a pressure rod 11 is also provided inside the positioning frame 6. The pressure rod 11 is fixed between the first ring 61 and the second ring 62. There are two pressure rods 11 symmetrically arranged inside the positioning frame 6. The pressure rods 11 are perpendicular to the positioning rod 9.

[0027] Furthermore, the feed pipes 3 located on both sides of the filter plate 1 are provided with external threads 12, and tightening nuts 13 are threaded onto the external threads 12.

[0028] Furthermore, the filter chamber 4 is provided with a number of filter media holes 14, and the outer side of the filter plate 1 is provided with a discharge hole 15, and the filter media holes 14 are connected to the discharge hole 15.

[0029] Furthermore, the filter plate 1 perpendicular to the filter cavity 4 is provided with support plates 16 on both sides. The bottom surface of the support plates 16 is provided with concave arc-shaped plates, and the bottom surface of the arc-shaped plates is provided with rollers 2. The rollers 2 on the bottom surface of the arc-shaped plates facilitate the filter plate 1 to slide on the outer crossbar.

[0030] The working principle of the filtration mechanism of a plate and frame filter press:

[0031] When the filter cloth 5 needs to be installed, first align the positioning holes 53 at both ends of the arched part 51 and the arched part 52 of the filter cloth 5. Then, fit the positioning holes 53 onto the positioning rod 9 to pre-position it. Next, align the positioning holes 10 of the support rod 63 on the positioning frame 6 with the positioning rod 9 and fit it onto the support rod 63. At this time, the clamping blocks 7 on the sides of the rings 61 and 62 in the positioning frame 6 are locked with the grooves 8, pressing the filter cloth 5 tightly. Then, tighten the nut 13 onto the feed pipe 3 so that the positioning frame 6 is close to the filter chamber 4. The filter cloth 5 is easy to install and remove and can be replaced at any time as needed, improving operating efficiency and ensuring filtration quality.

Claims

1. A filtration mechanism for a plate and frame filter press, comprising a filter plate (1) and a filter cloth (5) detachably connected to the filter plate (1), characterized in that: The filter plate (1) is rectangular and hollow inside. A feed pipe (3) is provided through the center of the filter plate (1). The filter plate (1) has concave filter cavities (4) in the shape of annulus on both sides. Filter cloth (5) and positioning frame (6) are sequentially sleeved on the feed pipe (3) on both sides of the filter plate (1). The positioning frame (6) can abut against the side of the filter cavity (4).

2. The filtration mechanism of a plate and frame filter press according to claim 1, characterized in that: The positioning frame (6) includes a central ring (61), an outer ring (62), and a support rod (63) connecting the ring (61) and the ring (62). The ring (61) and the ring (62) are provided with a pressing block (7) with a triangular cross-section on the side of the filter plate (1) near the filter plate (1). The outer side of the filter cavity (4) is provided with a concave groove (8) with a triangular cross-section. The pressing block (7) can abut against the groove (8).

3. The filtration mechanism of a plate and frame filter press according to claim 2, characterized in that: The filter chamber (4) is symmetrically and vertically fixed with positioning rods (9), and the feed pipe (3) is provided with two positioning rods (9) on opposite sides respectively. The four positioning rods (9) are located on the same straight line.

4. The filtration mechanism of a plate and frame filter press according to claim 3, characterized in that: The filter cloth (5) includes two identical arched parts one (51) and arched parts two (52). Each of the two ends of the arched parts one (51) and arched parts two (52) is provided with two positioning holes one (53). The positioning holes one (53) at the two ends of the arched parts one (51) and arched parts two (52) can overlap. After the positioning holes one (53) overlap, they can be fitted onto the positioning rod (9).

5. The filtration mechanism of a plate and frame filter press according to claim 4, characterized in that: There are two support rods (63), which are symmetrically distributed in the positioning frame (6). Each support rod (63) is provided with two positioning holes (10). The positioning holes (10) on each support rod (63) are respectively inserted into the positioning rod (9).

6. The filtration mechanism of a plate and frame filter press according to claim 5, characterized in that: The positioning frame (6) is also provided with a pressure rod (11), which is fixed between the first ring (61) and the second ring (62). There are two pressure rods (11) symmetrically arranged in the positioning frame (6), and the pressure rods (11) are perpendicular to the positioning rod (9).

7. The filtration mechanism of a plate and frame filter press according to claim 6, characterized in that: The feed pipes (3) located on both sides of the filter plate (1) are provided with external threads (12), and tightening nuts (13) are threaded onto the external threads (12).

8. The filtration mechanism of a plate and frame filter press according to claim 7, characterized in that: The filter chamber (4) is provided with a plurality of filter material holes (14).

9. The filtration mechanism of a plate and frame filter press according to claim 8, characterized in that: The filter plate (1) has a discharge hole (15) on its outer side, and the filter material hole (14) is connected to the discharge hole (15).

10. The filtration mechanism of a plate and frame filter press according to claim 9, characterized in that: The filter plate (1) perpendicular to the filter cavity (4) is provided with support plates (16) on both sides. The bottom surface of the support plate (16) is provided with a concave arc plate, and the bottom surface of the arc plate is provided with a roller (2).

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