Detachable filter plate for diaphragm filter press

Abstract

The utility model discloses a detachable filter plate for a diaphragm filter press, which comprises a filter plate main body, a rubber sealing frame is arranged at the edge position of the surface of the filter plate main body, the rubber sealing frame is made of natural rubber, both the rubber sealing frame and the filter plate main body are arranged into a rectangular structure, and a fixed frame is arranged on the inner side of the rubber sealing frame. The outer wall of the fixed frame is in contact with the inner wall of the rubber sealing frame, the inner wall of the fixed frame is in contact with the inner wall of the filter plate main body, a filter membrane is arranged in the fixed frame and is made of a polypropylene material, the filter plate main body and the fixed frame are both made of a stainless steel material, and the fixed frame is of a rectangular structure. According to the filter plate, the phenomena of abrasion and corrosion of the filter plate can be effectively reduced, so that the service life of the filter plate is prolonged, the overall structural strength of the filter plate is guaranteed, the sealing performance of the filter plate in use is improved, the purpose of disassembling the filter membrane is achieved, and the convenience in maintenance of the filter membrane is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-liquid separation, in particular to a detachable filter plate for a diaphragm filter press. Background Art

[0002] In the food, environmental protection and other industries, diaphragm filter presses are widely used due to their advantages of high efficiency, energy saving and high degree of automation. However, the filter plates of traditional filter presses are mostly integral casting or welded structures, which have problems such as difficult replacement, inconvenient cleaning and high cost. In order to improve such phenomena, it is particularly important to develop a detachable filter plate for diaphragm filter presses.

[0003] Reference announcement number CN217661707U is a detachable diaphragm filter press filter plate, which includes a diaphragm filter plate and a discharge pipe for guiding and conveying materials. The detachable diaphragm filter press filter plate also includes: a fixing mechanism, which is arranged inside the diaphragm filter plate and is used to fix the position of the discharge pipe. The fixing mechanism includes a fixing sleeve fixedly connected to the top and bottom of the discharge pipe. The top and bottom of the inner cavity of the diaphragm filter plate are both laterally fixedly connected with a screw sleeve. A bolt is arranged inside the fixing sleeve. The left end of the bolt passes through the fixing sleeve and The diaphragm filter plate is threadedly connected to the inside of the screw sleeve. Through this filter plate, the diaphragm filter plate and the discharge pipe can be quickly disassembled, avoiding the existing filter plate and discharge sleeve being an integrated structure, which cannot be disassembled and replaced by the discharge sleeve, and is inconvenient to clean the inside of the filter plate. According to the above, although the filter plate can be well applied, the overall strength of this type of filter plate is generally average, and its corrosion resistance is generally average, which makes this type of filter plate prone to wear or corrosion after long-term use, thereby affecting the service life of the filter plate and often troubling users. Utility Model Content

[0004] The purpose of the present utility model is to provide a detachable filter plate for a diaphragm filter press, so as to solve the problem in the above background technology that although the filter plate can be well applied, the overall strength of such filter plates is generally average, and their corrosion resistance is generally average, so that such filter plates are prone to wear or corrosion after long-term use, thereby affecting the service life of the filter plates.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a filter plate for a detachable diaphragm filter press, comprising a filter plate body, a rubber sealing frame is provided at the edge position of the surface of the filter plate body, the rubber sealing frame is made of natural rubber, the rubber sealing frame and the filter plate body are both arranged as rectangular structures, a fixed frame is installed on the inner side of the rubber sealing frame, the outer wall of the fixed frame touches the inner wall of the rubber sealing frame, the inner wall of the fixed frame touches the inner wall of the filter plate body, a filter membrane is provided inside the fixed frame, and the filter membrane is made of polypropylene material.

[0006] Preferably, the filter plate body and the fixed frame are both made of stainless steel, and the fixed frame is configured as a rectangular structure. By using stainless steel to make the filter plate body and the fixed frame, the structural strength and corrosion resistance of the filter plate body and the fixed frame are improved.

[0007] Preferably, first locking bolts with equal spacing are installed at both ends of the surface of the fixed frame, one end of the first locking bolt passes through the fixed frame and is threadedly connected to the inner wall of the filter plate body. The first locking bolt is set so that the fixed frame can be placed on the inner side of the filter plate body.

[0008] Preferably, second locking bolts are installed at equal intervals on both sides of the surface of the fixed frame, one end of the second locking bolt passes through the fixed frame and is threadedly connected to the inner wall of the filter plate body. The second locking bolt is set so that the fixed frame can be placed on the inner side of the filter plate body.

[0009] Preferably, longitudinal reinforcing ribs with equal spacing are provided on the outer wall behind the filter membrane, and both ends of the longitudinal reinforcing ribs are fixedly connected to the inner wall of the fixed frame. The longitudinal reinforcing ribs are provided so that the filter membrane can be supported and reinforced from the rear.

[0010] Preferably, a plurality of transverse reinforcing ribs are provided between the longitudinal reinforcing ribs and the fixed frame as well as between adjacent longitudinal reinforcing ribs. The inner walls of the transverse reinforcing ribs are connected to the outer surface of the filter membrane. The transverse reinforcing ribs are provided so as to support and reinforce the filter membrane from the rear.

[0011] Preferably, the longitudinal reinforcing ribs and transverse reinforcing ribs are made of alloy steel material, and several longitudinal reinforcing ribs and transverse reinforcing ribs are arranged in a grid structure. The longitudinal reinforcing ribs and transverse reinforcing ribs are made of alloy steel material so as to form a grid structure to support and reinforce the filter membrane.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the filter plate for the detachable diaphragm filter press can not only effectively reduce the wear and corrosion of the filter plate, thereby extending the service life of the filter plate, but also ensure the overall structural strength of the filter plate, improve the sealing performance of the filter plate during use, and achieve the purpose of disassembling the filter membrane, thereby improving the convenience of filter membrane maintenance;

[0013] (1) By using stainless steel to make the filter plate body and fixed frame, the overall structural strength of the filter plate is improved, and the corrosion resistance of the filter plate is effectively improved, thereby effectively reducing the wear and corrosion of the filter plate, thereby extending the service life of the filter plate;

[0014] (2) By using alloy steel materials to make longitudinal and transverse reinforcing ribs, and arranging a plurality of longitudinal and transverse reinforcing ribs in a grid-like structure and arranging them on the outer wall behind the filter membrane, the mechanical strength of the filter membrane can be enhanced by the longitudinal and transverse reinforcing ribs, thereby further ensuring the overall structural strength of the filter plate;

[0015] (3) The rubber sealing frame is made of natural rubber to increase the service life of the rubber sealing frame, and the rubber sealing frame is set at the edge position of the surface of the filter plate body. When the filter plate body is placed in the designated area of ​​the filter press frame, the outer wall of the rubber sealing frame will fully fit the inner wall of the filter press frame, so that the rubber sealing frame can seal the gap at the contact position between the filter press frame and the filter plate body, thereby effectively reducing the leakage of the medium from the gap at the contact position between the filter press frame and the filter plate body, thereby ensuring the sealing of the filter plate when in use;

[0016] (4) By screwing the multiple first locking bolts and the second locking bolts, one end of the first locking bolts and the second locking bolts is screwed out to the outside of the filter plate body, and the fixed frame can be pulled to be detached to the outside of the filter plate body, so as to achieve the purpose of disassembling the filter membrane, thereby improving the convenience of filter membrane maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a rear view structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0021] In the figure: 1. Filter plate body; 2. Rubber sealing frame; 3. Fixed frame; 4. First locking bolt; 5. Second locking bolt; 6. Filter membrane; 7. Longitudinal reinforcement rib; 8. Transverse reinforcement rib. DETAILED DESCRIPTION

[0022] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-4The utility model provides an embodiment: a detachable filter plate for a diaphragm filter press, comprising a filter plate body 1, wherein the filter plate body 1 and a fixed frame 3 are both made of stainless steel, and the fixed frame 3 is configured as a rectangular structure;

[0024] When in use, the filter plate body 1 and the fixed frame 3 are made of stainless steel to improve the structural strength and corrosion resistance of the filter plate body 1 and the fixed frame 3;

[0025] A rubber sealing frame 2 is provided at the edge of the surface of the filter plate body 1. The rubber sealing frame 2 is made of natural rubber. The rubber sealing frame 2 and the filter plate body 1 are both configured as rectangular structures. A fixed frame 3 is installed on the inner side of the rubber sealing frame 2. The outer wall of the fixed frame 3 touches the inner wall of the rubber sealing frame 2, and the inner wall of the fixed frame 3 touches the inner wall of the filter plate body 1. Both ends of the surface of the fixed frame 3 are installed with first locking bolts 4 at equal intervals. One end of the first locking bolt 4 passes through the fixed frame 3 and is threadedly connected to the inner wall of the filter plate body 1.

[0026] When in use, the first locking bolt 4 is arranged so as to place the fixed frame 3 on the inner side of the filter plate body 1;

[0027] Second locking bolts 5 are installed at equal intervals on both sides of the surface of the fixed frame 3. One end of the second locking bolt 5 passes through the fixed frame 3 and is threadedly connected to the inner wall of the filter plate body 1.

[0028] When in use, the second locking bolt 5 is set so as to place the fixed frame 3 on the inner side of the filter plate body 1;

[0029] A filter membrane 6 is provided inside the fixed frame 3. The filter membrane 6 is made of polypropylene. The outer wall behind the filter membrane 6 is provided with longitudinal reinforcing ribs 7 at equal intervals. Both ends of the longitudinal reinforcing ribs 7 are fixedly connected to the inner wall of the fixed frame 3.

[0030] When in use, the longitudinal reinforcement ribs 7 are provided to support and reinforce the filter membrane 6 from the rear;

[0031] A plurality of transverse reinforcing ribs 8 are provided between the longitudinal reinforcing ribs 7 and the fixed frame 3 as well as between adjacent longitudinal reinforcing ribs 7. The inner walls of the transverse reinforcing ribs 8 are connected to the outer surface of the filter membrane 6.

[0032] When in use, the transverse reinforcing ribs 8 are provided to support and reinforce the filter membrane 6 from the rear;

[0033] The longitudinal reinforcement ribs 7 and the transverse reinforcement ribs 8 are made of alloy steel, and a plurality of longitudinal reinforcement ribs 7 and transverse reinforcement ribs 8 are arranged in a grid structure;

[0034] When in use, the longitudinal reinforcement ribs 7 and the transverse reinforcement ribs 8 are made of alloy steel material so as to form a grid structure to support and reinforce the filter membrane 6.

[0035] When the embodiment of the present application is in use, first, the rubber sealing frame 2 is made of natural rubber to increase the service life of the rubber sealing frame 2. When the filter plate body 1 is placed in the designated area of ​​the filter press frame, the outer wall of the rubber sealing frame 2 will fully fit the inner wall of the filter press frame, so that the rubber sealing frame 2 can seal the gap at the contact position between the filter press frame and the filter plate body 1, thereby reducing the leakage of the medium at the contact position between the filter press frame and the filter plate body 1. Then, the filter plate body 1 and the fixed frame 3 are made of stainless steel material, so that the overall structural strength of the filter plate is improved, and the corrosion resistance of the filter plate is improved. Then, the longitudinal reinforcing ribs 7 and the transverse reinforcing ribs 8 are made of alloy steel material, and a plurality of longitudinal reinforcing ribs 7 and transverse reinforcing ribs 8 are arranged in a grid structure and arranged behind the filter membrane 6. The outer wall can be enhanced by longitudinal reinforcement ribs 7 and transverse reinforcement ribs 8 to enhance the mechanical strength of the filter membrane 6 to further improve the overall structural strength of the filter plate. Finally, by screwing multiple first locking bolts 4 and second locking bolts 5, one end of the first locking bolt 4 and the second locking bolt 5 is screwed out to the outside of the filter plate body 1, and the fixed frame 3 can be pulled to remove it to the outside of the filter plate body 1 to facilitate disassembly and maintenance of the filter membrane 6. The filter membrane 6 is made of polypropylene material to make the filter membrane 6 have high water permeability and wear resistance to ensure the separation effect of the filter membrane 6 on the medium and can effectively extend the service life of the filter membrane 6. This filter plate is mainly made of filter plate body 1, rubber sealing frame 2, fixed frame 3 and filter membrane 6, so that the overall structure of this filter plate is relatively simple, and it is easy to manufacture and process the filter plate, thereby completing the use of the filter plate.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] While the present invention has been described above with reference to exemplary embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the disclosed embodiments may be combined with one another in any manner. The omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A detachable filter plate for a diaphragm filter press, characterized in that: The invention comprises a filter plate body (1), wherein a rubber sealing frame (2) is provided at an edge position of the surface of the filter plate body (1), wherein the rubber sealing frame (2) is made of natural rubber, wherein the rubber sealing frame (2) and the filter plate body (1) are both arranged in a rectangular structure, wherein a fixed frame (3) is installed on the inner side of the rubber sealing frame (2), wherein the outer wall of the fixed frame (3) contacts the inner wall of the rubber sealing frame (2), and the inner wall of the fixed frame (3) contacts the inner wall of the filter plate body (1), and wherein a filter membrane (6) is provided inside the fixed frame (3), wherein the filter membrane (6) is made of polypropylene material.

2. The detachable filter plate for a membrane filter press according to claim 1, characterized in that: The filter plate body (1) and the fixed frame (3) are both made of stainless steel, and the fixed frame (3) is configured as a rectangular structure.

3. The detachable filter plate for a diaphragm filter press according to claim 1, characterized in that: First locking bolts (4) are installed at equal intervals on both ends of the surface of the fixed frame (3), and one end of the first locking bolt (4) passes through the fixed frame (3) and is threadedly connected to the inner wall of the filter plate body (1).

4. The detachable filter plate for a diaphragm filter press according to claim 1, characterized in that: Second locking bolts (5) are installed at equal intervals on both sides of the surface of the fixed frame (3), and one end of the second locking bolt (5) passes through the fixed frame (3) and is threadedly connected to the inner wall of the filter plate body (1).

5. The detachable filter plate for a diaphragm filter press according to claim 1, characterized in that: The outer wall behind the filter membrane (6) is provided with longitudinal reinforcing ribs (7) at equal intervals, and both ends of the longitudinal reinforcing ribs (7) are fixedly connected to the inner wall of the fixed frame (3).

6. The detachable filter plate for a diaphragm filter press according to claim 5, characterized in that: A plurality of transverse reinforcing ribs (8) are provided between the longitudinal reinforcing ribs (7) and the fixed frame (3) as well as between adjacent longitudinal reinforcing ribs (7), and the inner walls of the transverse reinforcing ribs (8) are connected to the outer surface of the filter membrane (6).

7. The detachable filter plate for a diaphragm filter press according to claim 6, characterized in that: The longitudinal reinforcing ribs (7) and the transverse reinforcing ribs (8) are made of alloy steel material, and a plurality of longitudinal reinforcing ribs (7) and transverse reinforcing ribs (8) are arranged in a grid-like structure.

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