High-elasticity diaphragm filter plate

Abstract

The utility model relates to the technical field of diaphragm filter plate structures, and discloses a high-elasticity diaphragm filter plate which comprises a filter frame main body, a mounting piece is welded at the corner of the outer wall of the filter frame main body, a high-elasticity diaphragm filter mechanism is arranged on the filter frame main body, and an overpressure prompt mechanism is arranged at the top of the filter frame main body. The overpressure prompting mechanism comprises a feeding pipe, and the feeding pipe is fixedly connected to the top of the filter frame main body. Through the design of the feeding pipe, the square pipe is communicated with the inner cavity of the filter frame main body, through the design of the pressure sensor, the pressure value of a solution in the inner cavity of the filter frame main body can be monitored, and after the pressure value is larger than a preset value, the prompt lamp is turned on by means of the external controller to prompt a user; a user is prompted to stop adding liquid to be filtered into the filter frame main body in time, so that the problem that the high-elasticity diaphragm net I and the high-elasticity diaphragm net II are easily damaged due to excessive pressure is avoided, and the service life of the structure is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of membrane filter plate structures, and in particular to a high-elasticity membrane filter plate. Background Art

[0002] The diaphragm filter plate is composed of two diaphragms and a core plate. The external medium is passed into the chamber between the core plate and the diaphragm, causing the diaphragm to swell and compress the filter chamber composed of the diaphragm filter plate and the chamber filter plate, thereby achieving better separation and increasing the solid content. The diaphragm filter plate can conveniently perform solid-liquid separation.

[0003] A Chinese patent discloses a corner feed diaphragm filter plate, with the publication number CN220758122U. The technical solution disclosed in the patent document is as follows: it includes a diaphragm aluminum plate body, the four corners of the diaphragm aluminum plate body are provided with corner hook holes, and there are four corner hook holes. Diaphragm limit frames are provided at both ends of the diaphragm limit frame, and limit fixing seats are provided at both ends of the diaphragm limit frame. A feed hole is provided inside the diaphragm limit frame, and support mounting seats are installed on both sides of the diaphragm aluminum plate body.

[0004] In order to solve the problem that the support mounting seat is prone to wear and damage, the existing technology adopts the method of designing structural supports such as moving rollers. However, the diaphragm cannot be protected from overpressure. During use, the solution transported into the diaphragm filter plate cannot be controlled within a safe range. If the diaphragm is subjected to excessive pressure, it is easy to produce irreversible deformation, which can easily lead to damage to the diaphragm. Utility Model Content

[0005] The utility model aims to provide a high-elasticity diaphragm filter plate to solve the problem in the prior art that the diaphragm is easily deformed due to excessive pressure.

[0006] The utility model provides the following technical solution: a high elastic membrane filter plate, comprising a filter frame body, a mounting piece is welded at the corner of the outer wall of the filter frame body, a high elastic membrane filtering mechanism is arranged on the filter frame body, and an overpressure prompt mechanism is arranged on the top of the filter frame body.

[0007] The overpressure warning mechanism includes a feed pipe, which is fixedly connected to the top of the filter frame body, a square tube is fixedly connected to the top of the feed pipe, a pressure sensor is fixedly installed on the right side of the inner wall of the feed pipe, a warning light is fixedly installed on the right side of the square tube, fixing rings are fixedly installed on the front and back sides of the inner wall of the square tube, and a polyethylene black film is fixedly connected between the adjacent sides of the two fixing rings.

[0008] As a preferred embodiment of the above technical solution, the right sides of the fixing ring and the polyethylene black film are fixedly connected to the right side of the inner wall of the square tube, and the pressure sensor and the warning light are electrically connected to an external controller.

[0009] As a preferred embodiment of the above technical solution, a one-way tube is fixedly connected to the top of the square tube, and a connecting pipe fitting is fixedly connected to the top of the one-way tube.

[0010] As a preferred embodiment of the above technical solution, the high elastic membrane filter mechanism includes a movable filter frame and a fixed filter frame, the fixed filter frame is fixedly installed on the back of the filter frame body, and a high elastic membrane net 2 is fixedly installed on the inner wall of the fixed filter frame.

[0011] As a preferred embodiment of the above technical solution, a highly elastic diaphragm net is fixedly installed on the inner wall of the movable filter frame, a rubber frame is fixedly connected to the back of the movable filter frame, and the back of the rubber frame is movably connected to the front of the filter frame body.

[0012] As a preferred embodiment of the above technical solution, the high-elasticity diaphragm filter mechanism also includes a ferroalloy limit frame, which is fixedly installed on both sides of the filter frame body, and plug-ins are fixedly installed on both sides of the movable filter frame. The plug-ins are movably plugged into the inner wall of the ferroalloy limit frame, and pin holes are provided on the sides of the ferroalloy limit frame and the plug-ins.

[0013] As a preferred embodiment of the above technical solution, a pinning piece is movably inserted into the inner wall of the pin hole, a magnetic block is fixedly installed on the inner wall of the pinning piece, and the pinning piece and the magnetic block are movably connected to the outer wall of the ferroalloy limit frame on one side close to the filter frame body.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model uses the design of the feed pipe to connect the square tube with the inner cavity of the filter frame body, and uses the design of the pressure sensor to monitor the pressure value of the solution in the inner cavity of the filter frame body. When the pressure value is greater than a preset value, an external controller turns on a prompt light to prompt the user, prompting the user to stop adding the liquid to be filtered into the filter frame body in time, thereby avoiding the problem that the high elastic diaphragm net one and the high elastic diaphragm net two are easily damaged due to excessive pressure, thereby extending the service life of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of the fixed filter frame and the movable filter frame relative to the filter frame body of the utility model;

[0018] Figure 3 for Figure 2 A magnified view of the structure at B in the middle;

[0019] Figure 4 for Figure 1 A magnified view of the structure at center A;

[0020] Figure 5 It is a schematic diagram of the cutaway structure of the square tube of the utility model.

[0021] In the figure: 1. filter frame body; 11. mounting parts; 2. high elastic membrane filtering mechanism; 21. movable filter frame; 22. high elastic membrane net 1; 23. rubber frame; 24. fixed filter frame; 25. high elastic membrane net 2; 26. ferroalloy limit frame; 27. connector; 28. pin hole; 29. ​​pin fixing part; 291. magnetic suction block; 3. overpressure warning mechanism; 31. feed pipe; 32. square pipe; 321. fixing ring; 322. polyethylene black film; 323. pressure sensor; 33. warning light; 34. one-way pipe; 35. connecting pipe fittings. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a high-elasticity diaphragm filter plate, comprising a filter frame body 1, a mounting piece 11 is welded at the corner of the outer wall of the filter frame body 1, a high-elasticity diaphragm filtering mechanism 2 is arranged on the filter frame body 1, an overpressure prompting mechanism 3 is arranged on the top of the filter frame body 1, the overpressure prompting mechanism 3 comprises a feed pipe 31, the feed pipe 31 is fixedly connected to the top of the filter frame body 1, a square tube 32 is fixedly connected to the top of the feed pipe 31, a pressure sensor 323 is fixedly installed on the right side of the inner wall of the feed pipe 31, a warning light 33 is fixedly installed on the right side of the square tube 32, and fixed pressure sensors 323 are fixedly installed on the front and back sides of the inner wall of the square tube 32. Ring 321, a polyethylene black film 322 is fixedly connected between the adjacent sides of the two fixed rings 321, the feed pipe 31 can make the square tube 32 communicate with the inner cavity of the filter frame body 1, the pressure sensor 323 is an existing structural model and can be selected as MPX5010, the pressure sensor 323 can monitor the pressure value of the solution in the inner cavity of the filter frame body 1, after the pressure value is greater than the preset value, the prompt light 33 is turned on with the help of an external controller to prompt the user, prompting the user to stop adding the liquid to be filtered into the filter frame body 1 in time, avoiding the problem of irreversible deformation of the high elastic diaphragm net 1 22 and the high elastic diaphragm net 2 25 due to excessive pressure.

[0024] As an implementation method in this embodiment, Figure 1 , Figure 2As shown, the right sides of the fixing ring 321 and the polyethylene black film 322 are fixedly connected to the right side of the inner wall of the square tube 32, the pressure sensor 323 and the warning light 33 are connected to the electrical signal of the external controller, the top of the square tube 32 is fixedly connected with a one-way tube 34, and the top of the one-way tube 34 is fixedly connected with a connecting pipe fitting 35. Through the design of the fixing ring 321 and the polyethylene black film 322, the liquid in the square tube 32 can squeeze the polyethylene black film 322 to apply pressure to the pressure sensor 323, thereby avoiding direct contact between the pressure sensor 323 and the liquid, which can easily cause the pressure sensor 323 to be damaged by corrosion.

[0025] As an implementation method in this embodiment, Figure 2 , Figure 3 As shown, the high elastic membrane filtering mechanism 2 includes a movable filter frame 21 and a fixed filter frame 24, the fixed filter frame 24 is fixedly installed on the back of the filter frame body 1, a high elastic membrane net 25 is fixedly installed on the inner wall of the fixed filter frame 24, a high elastic membrane net 1 22 is fixedly installed on the inner wall of the movable filter frame 21, a rubber frame 23 is fixedly connected to the back of the movable filter frame 21, and the back of the rubber frame 23 is movably connected to the front of the filter frame body 1, the high elastic membrane filtering mechanism 2 also includes a ferroalloy limiting frame 26, the ferroalloy limiting frame 26 is fixedly installed on both sides of the filter frame body 1, and a plug-in component 27 is fixedly installed on both sides of the movable filter frame 21, and the plug-in component 27 is movably plugged into the inner wall of the ferroalloy limiting frame 26, and the sides of the ferroalloy limiting frame 26 and the plug-in component 27 are provided with pin holes 28, and a pinning component 29 is movably plugged into the inner wall of the pin hole 28. A magnetic block 291 is fixedly installed on the inner wall of the fixing member 29. The fixing member 29 and the side of the magnetic block 291 close to the filter frame body 1 are movably connected to the outer wall of the ferroalloy limit frame 26. The high elastic membrane net 1 22 and the high elastic membrane net 2 25 are existing structures, both of which are made of high elastic materials, which can improve the pressing stroke. The fixing member 29 is pulled out from the inside of the pin hole 28, and then the movable filter frame 21 is pulled out from the front of the filter frame body 1 as a whole. Then the filter cake can be removed, and the plug-in member 27 is plugged into the ferroalloy limit frame 26, and then the fixing member 29 is reset and plugged, that is, the installation of the movable filter frame 21 is completed, which is convenient for the operator to use. The magnetic block 291 can be magnetically connected to the ferroalloy limit frame 26 to fix the position of the fixing member 29. The rubber frame 23 can seal the connection between the movable filter frame 21 and the filter frame body 1.

[0026] Working principle: install the structure on the external filter press from the mounting part 11, connect the external pipeline to the top of the connecting pipe 35, add the liquid to be filtered into the inner cavity of the filter frame body 1, and monitor the pressure value of the solution in the inner cavity of the filter frame body 1 by the pressure sensor 323. When the pressure value is greater than the preset value, turn on the prompt light 33 to give the user a light prompt, prompting the operator to stop adding the liquid to be filtered into the filter frame body 1 in time, and then control the external filter press to work, and complete the filtration of the liquid through the high elastic diaphragm net 1 22 and the high elastic diaphragm net 2 25.

[0027] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A high elastic membrane filter plate, comprising a filter frame body (1), characterized in that: A mounting piece (11) is welded at a corner of the outer wall of the filter frame body (1); a high-elasticity diaphragm filtering mechanism (2) is provided on the filter frame body (1); and an overpressure prompting mechanism (3) is provided on the top of the filter frame body (1); The overpressure warning mechanism (3) comprises a feed pipe (31), the feed pipe (31) being fixedly connected to the top of the filter frame body (1), the top of the feed pipe (31) being fixedly connected to a square tube (32), a pressure sensor (323) being fixedly mounted on the right side of the inner wall of the feed pipe (31), a warning light (33) being fixedly mounted on the right side of the square tube (32), fixing rings (321) being fixedly mounted on the front and back sides of the inner wall of the square tube (32), and a polyethylene black film (322) being fixedly connected between adjacent sides of two fixing rings (321).

2. A high elastic membrane filter plate according to claim 1, characterized in that: The right sides of the fixing ring (321) and the polyethylene black film (322) are fixedly connected to the right side of the inner wall of the square tube (32), and the pressure sensor (323) and the warning light (33) are connected to the external controller via electrical signals.

3. The high elastic membrane filter plate according to claim 1, characterized in that: The top of the square tube (32) is fixedly connected to a one-way tube (34), and the top of the one-way tube (34) is fixedly connected to a connecting pipe fitting (35).

4. The high elastic membrane filter plate according to claim 1, characterized in that: The high elasticity membrane filter mechanism (2) comprises a movable filter frame (21) and a fixed filter frame (24); the fixed filter frame (24) is fixedly mounted on the back of the filter frame body (1); and a second high elasticity membrane net (25) is fixedly mounted on the inner wall of the fixed filter frame (24).

5. A high elastic membrane filter plate according to claim 4, characterized in that: A high elastic diaphragm net (22) is fixedly mounted on the inner wall of the movable filter frame (21), a rubber frame (23) is fixedly connected to the back of the movable filter frame (21), and the back of the rubber frame (23) is movably connected to the front of the filter frame body (1).

6. A high elastic membrane filter plate according to claim 5, characterized in that: The high elasticity membrane filter mechanism (2) further comprises an iron alloy limit frame (26), the iron alloy limit frame (26) being fixedly mounted on both sides of the filter frame body (1), and plug-in components (27) being fixedly mounted on both sides of the movable filter frame (21), the plug-in components (27) being movably plugged into the inner wall of the iron alloy limit frame (26), and the side surfaces of the iron alloy limit frame (26) and the plug-in components (27) being provided with pin holes (28).

7. A high elastic membrane filter plate according to claim 6, characterized in that: A pinning piece (29) is movably inserted into the inner wall of the pin hole (28), and a magnetic attraction block (291) is fixedly mounted on the inner wall of the pinning piece (29). The pinning piece (29) and the magnetic attraction block (291) are both movably connected to the outer wall of the ferroalloy limiting frame (26) on one side close to the filter frame body (1).

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