Membrane self-flushing filter press

Abstract

The utility model provides a diaphragm self-flushing filter press and belongs to the technical field of filter presses. Comprising a bottom frame, a right plate and a left plate are fixedly connected to the two sides of the top of the bottom frame, side rails are fixedly connected between the two ends of the adjacent sides of the right plate and the left plate, a plurality of filter plates are slidably connected between the two side rails, a top seat is fixedly connected to the tops of the filter plates, and a flowing hole is formed in the inner side of the top seat; feeding holes are formed in the two ends, located at the bottom of the flowing hole, of the interior of the top base, and filter cloth is fixedly connected to the two ends of the inner side of the filter plate; through the arrangement of the side frame, the rotating block and the clamping rod, the device can limit the sliding of the filter plate on the side rail through the side frame, the position of the side frame is locked through the rotatable rotating block, the stability of the rotating block during working is ensured through the clamping rod, the filter plate can be quickly disassembled and assembled through the device, and the working efficiency is improved. And the stability of the filter plate during working is also ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter press technical field, especially relate to a diaphragm self -cleaning filter press. BACKGROUND

[0002] The diaphragm filter press is the filter press that adds a layer of elastic membrane between filter plate and filter cloth, in the use process, when the end of feeding, can inject high pressure fluid or gas medium into the diaphragm plate, at this moment, the whole diaphragm will be inflated and press the filter cake, and then realize the further dewatering of filter cake, and it is widely used in various fields requiring solid-liquid separation.

[0003] The patent with the publication number CN215691913U proposes a hydrochloric acid water flushing diaphragm filter press, relating to the technical field of filter press, comprising a main body device, a filter plate and an in-plate pipe, the inside of the main body device is provided with a filter plate, the inside of the filter plate is provided with an in-plate pipe, one side of the in-plate pipe is provided with an inner pipe spout, the upper part of one side of the filter plate is fixedly connected with a hydrochloric acid solution branch pipe, the inside of the filter plate is provided with filter cloth, the inside of the filter cloth is provided with filter medium, one side of the filter cloth is provided with elastic diaphragm.

[0004] The above-mentioned case is pushed by the pressing plate to make the filter plate slide on the support plate frame for pressure filtration, but because the filter plate is fixedly arranged on the support plate frame, when the filter plate is blocked, it is not convenient to disassemble and assemble the filter plate, which affects the working efficiency of the device and reduces the practicability of the device.

[0005] Therefore, the utility model provides a diaphragm self -cleaning filter press to meet the needs. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a diaphragm self -cleaning filter press to solve the problems in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a diaphragm self -cleaning filter press, including the chassis, both sides of the top of chassis are fixedly connected with right plate and left plate, both ends of the adjacent side of right plate and left plate are fixedly connected with the edge rail, a plurality of filter plates are connected between the two edge rails, the top of filter plate is fixedly connected with the top seat, the inside of top seat is equipped with flow hole, both ends of the inside of top seat are equipped with feeding hole, both ends of the inside of filter plate are fixedly connected with filter cloth, both sides of the inside of filter plate between two filter cloths are fixedly connected with the isolation membrane, the air cavity is formed between two isolation membranes, the one side of the inside of filter plate at air cavity is equipped with the air inlet, the filter plate includes both sides fixedly connected edge frame, the inside of edge frame is connected with the corresponding edge rail, the bottom of edge frame is rotatably connected with the rotation block, the bottom of edge frame is rotatably connected with the clamping rod, the bottom of clamping rod is clamped in the inside of corresponding rotation block.

[0008] As a preferred implementation, the filter plate and the top seat are fixedly connected with a sealing gasket on both sides, and the inside of the chassis is fixedly connected with a collection groove.

[0009] As a preferred implementation, the middle of the right plate is fixedly connected with an air cylinder, and the side close to the left plate of the air cylinder is fixedly connected with a push plate.

[0010] As a preferred implementation, the two sides of the push plate are fixedly connected with a limiting frame, and the two limiting frames are respectively slidably connected to the outside of the two edge rails.

[0011] As a preferred implementation, the side away from the right plate of the left plate is fixedly connected with a feeding pipe, and the position and shape of the feeding pipe are adapted to the flow hole.

[0012] As a preferred implementation, the side of the left plate and the right plate is fixedly connected with the same transport pipe, the top of the transport pipe is fixedly connected with a plurality of air inlet pipes, and the other end of the air inlet pipe is clamped in the inside of the corresponding air inlet.

[0013] As a preferred implementation, the two sides of the bottom end of the filter plate are provided with water outlet grooves, which are respectively located between the two filter cloths and the corresponding isolation membranes.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses the edge frame, rotation block and clamping rod are set, make the device can pass through the edge frame to the sliding of filter plate on the edge rail and be positioned, and pass through rotatable rotation block, realize the locking of the position of edge frame, and pass through the stability of clamping rod to ensure the rotation block work, not only make the device convenient for the quick disassembly of filter plate, also guarantee the stability of filter plate when working.

[0016] The utility model discloses, through setting up filter cloth, isolation membrane and air cavity, make filter cloth distribute in the both sides of filter plate, and isolation membrane is located between both sides filter cloth, make filter cake produce in the splicing of two filter plates splicing, and through the setting of air cavity can simultaneously push both sides filter cloth extrude to the outside, not only has improved the filter pressing effect of device, also convenient to the cleaning of the filter cake produced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of diaphragm self-flushing filter press's three-dimensional structure schematic diagram;

[0018] Figure 2 It is Figure 1 A place enlarged schematic diagram of

[0019] Figure 3 It is filter plate's cutaway three-dimensional structure schematic diagram.

[0020] In the drawing: 1, underframe;2, right plate;3, left plate;4, edge rail;5, filter plate;6, top seat;7, flow hole;8, feed hole;9, filter cloth;10, isolation membrane;11, air cavity;12, gas hole;13, water tank;14, edge frame;15, rotating block;16, clamping rod;17, transport pipe;18, air inlet pipe. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with example.

[0022] The following examples are used to illustrate the present application, but cannot be used to limit the scope of protection of the present application;The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the present application under the concept of the present application belong to the scope of protection required by the present application.

[0023] Please refer to Figures 1-3 The utility model provides a diaphragm self-flushing filter press, including underframe 1, both sides of underframe 1 top are all fixedly connected with right plate 2 and left plate 3, and both ends between the adjacent side of right plate 2 and left plate 3 are all fixedly connected with edge rail 4, and the sliding connection of two edge rails 4 has several filter plates 5, and the top of filter plate 5 is fixedly connected with top seat 6, and the inside of top seat 6 is equipped with flow hole 7, and both ends of top seat 6 inside are equipped with feed hole 8, and both ends of filter plate 5 inside are all fixedly connected with filter cloth 9, and filter plate 5 includes both sides fixedly connected edge frame 14, and both sides of filter plate 5 and top seat 6 are all fixedly connected with sealing pad, and the inside of underframe 1 is fixedly connected with collection groove, and the middle of right plate 2 is fixedly connected with air cylinder, and the side of air cylinder close to left plate 3 is fixedly connected with push plate, and both sides of push plate are all fixedly connected with limit frame, and two limit frames are slidingly connected on the outside of two edge rails 4 respectively, and the side of left plate 3 away from right plate 2 is fixedly connected with feeding pipe, and the position and shape of feeding pipe are all adapted to flow hole 7.

[0024] Start the air cylinder, push all the filter plates 5 tightly through the push plate, add the material to be filtered into the filter press through the feeding pipe, the material flows into each filter plate 5 from the flow hole 7, and then enters the joint between the two filter plates 5 through the feeding hole 8, and the material is filtered through the filter cloth 9.

[0025] Please refer to Figures 1-3 , both sides of the inside of the filter plate 5 between the two filter cloths 9 are fixedly connected with the isolation membrane 10, the air cavity 11 is formed between the two isolation membranes 10, the air inlet hole 12 is formed on one side of the inside of the filter plate 5, the inside of the corresponding edge rail 4 is slidably connected with the inner side of the edge frame 14, the bottom of the edge frame 14 is rotatably connected with the rotating block 15, the bottom end of the clamping rod 16 is slidably connected with the bottom end of the edge frame 14, the bottom end of the clamping rod 16 is clamped in the inside of the corresponding rotating block 15, one side of the left plate 3 and the right plate 2 is fixedly connected with the same conveying pipe 17, the top of the conveying pipe 17 is fixedly connected with a plurality of air inlet pipes 18, the other end of the air inlet pipe 18 is clamped in the inside of the corresponding air inlet hole 12, the bottom end of the filter plate 5 is provided with the water outlet groove 13 on both sides, which is respectively located between the two filter cloths 9 and the corresponding isolation membrane 10, and the outer side of the left plate 3 is fixedly connected with the air pump, and the output end of the air pump is fixedly connected with the conveying pipe 17.

[0026] Start the air pump, transport high-pressure gas through the conveying pipe 17, and then enter the air cavity 11 on the inside of each filter plate 5 through the air inlet pipe 18 and the air inlet hole 12, so that the two isolation membranes 10 are extruded outward, the filter cloth 9 is pushed to extrude the material, the material is efficiently filtered, the filtered liquid flows out of the water outlet groove 13 and enters the collection tank, and after the filter pressing is completed, the push plate is loosened, the filter plate 5 is slid on the edge rail 4, the filter cloth 9 on both sides is exposed, and the filter cake is cleaned; when the filter plate 5 needs to be disassembled, the clamping rod 16 on both sides is pulled out, the rotating block 15 is rotated by one hundred and eighty degrees, and the filter plate 5 can be disassembled from the edge rail 4 through the edge frame 14.

[0027] By rotating the rotating block 15, the rotating block 15 and the edge rail 4 are matched with each other, so that the position of the filter plate 5 is locked, the displacement of the filter plate 5 during work is prevented, the stability is maintained, the clamping rod 16 provides additional support and fixation during the work of the rotating block 15, prevents the rotating block 15 from being accidentally rotated or loosened due to external force, further enhances the stability of the filter plate 5 during work, so that the device can realize quick disassembly and assembly of the filter plate 5 through the edge frame 14, improves the maintenance and replacement efficiency of the equipment, and effectively ensures the stability of the filter plate 5 in the key working links such as filtering and extrusion, and ensures the reliable operation of the entire filter press.

[0028] The filter cloth 9 is fixedly connected at the inner sides of the filter plates 5, forming filter media on both sides, and the isolation membranes 10 are located between the filter cloths 9 on both sides, separating the internal space of the filter plates 5 into two independent filtering areas, so that after the material enters the filter plates 5, the solid particles are intercepted by the filter cloth 9 and accumulated at the joint of the two filter plates 5 after splicing, forming filter cake, and since the filter cake is concentrated at the joint, the position is relatively fixed, facilitating subsequent cleaning operation, and the air cavity 11 is located between the two isolation membranes 10, and the gas in the air cavity 11 can uniformly push the isolation membranes 10 on both sides to expand outward, so that the filter cake on the filter cloth 9 is subjected to uniform pressure from both sides, and the bidirectional extrusion not only significantly improves the filter pressing effect, so that the liquid is more fully separated from the filter cake, improves the filtering efficiency and the clarity of the filtrate, but also makes the filter cake more tightly concentrated at the joint during extrusion, and when the filter cake needs to be cleaned, the filter plates 5 are only loosened, and the filter cake will naturally fall off from the joint under the action of gravity, greatly simplifying the cleaning process, reducing manual intervention, and improving the maintenance efficiency of the equipment.

[0029] The working principle and use process of the utility model are as follows: the air cylinder is started, all the filter plates 5 are tightly connected through the push plate, the material to be filtered is added into the filter press through the feeding pipe, the material flows into each filter plate 5 from the flow hole 7, and then enters the joint between the two filter plates 5 through the feeding hole 8, the material is filtered through the filter cloth 9, the air pump is started, high-pressure gas is transported through the conveying pipe 17, and then enters the air cavity 11 inside each filter plate 5 through the air inlet pipe 18 and the air inlet hole 12, so that the isolation membranes 10 on both sides are extruded outward, the filter cloth 9 is pushed to extrude the material, the material is efficiently filtered, the filtered liquid flows out from the water outlet groove 13 and enters the collecting groove, after the filter pressing is completed, the push plate is loosened, the filter plates 5 are slid on the side rail 4, the filter cloths 9 on both sides are exposed, and the filter cake is cleaned; when the filter plates 5 need to be disassembled, the clamping rods 16 on both sides are pulled out, the rotating block 15 is rotated by 180 degrees, and then the filter plates 5 are disassembled from the side rail 4 through the side frame 14.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principle of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A diaphragm self-cleaning filter press comprising a chassis (1), characterized in that, The bottom frame (1) top of both sides are fixedly connected with right plate (2) and left plate (3), the right plate (2) and left plate (3) adjacent side between both ends are fixedly connected with side rail (4), two the side rail (4) between slidingly connected with several filter plate (5), the top of filter plate (5) is fixedly connected with top seat (6), the inside of top seat (6) is provided with flow hole (7), the inside of top seat (6) is provided with feed hole (8) between both ends of flow hole (7) bottom, the both ends of filter plate (5) inside are fixedly connected with filter cloth (9), the both sides of filter plate (5) inside between two filter cloth (9) are fixedly connected with isolation membrane (10), two the isolation membrane (10) between form gas cavity (11), the inside of filter plate (5) is provided with gas hole (12) at one side of gas cavity (11), the filter plate (5) includes both sides fixedly connected edge frame (14), the inside of edge frame (14) and corresponding side rail (4) are slidingly connected, the bottom of edge frame (14) is rotatably connected with rotating block (15), the bottom end of edge frame (14) is slidingly connected with clamping rod (16), the bottom end of clamping rod (16) is clamped in the inside of corresponding rotating block (15).

2. A diaphragm self-cleaning filter press according to claim 1, characterized in that, The both sides of filter plate (5) and top seat (6) are fixedly connected with sealing gasket, the inside of bottom frame (1) is fixedly connected with collecting groove.

3. A diaphragm self-cleaning filter press according to claim 1, characterized in that, The middle of right plate (2) is fixedly connected with air cylinder, the side of air cylinder close to left plate (3) is fixedly connected with push plate.

4. A diaphragm self-cleaning filter press according to claim 3, characterized in that, The both sides of push plate are fixedly connected with limiting frame, two limiting frame are slidingly connected on the outside of two side rail (4) respectively.

5. A diaphragm self-cleaning filter press according to claim 1, characterized in that, The side of left plate (3) away from right plate (2) is fixedly connected with feeding pipe, the position and shape of feeding pipe are adapted to flow hole (7).

6. A diaphragm self-cleaning filter press according to claim 1, characterized in that, The side of left plate (3) and right plate (2) is fixedly connected with same transport pipe (17), the top of transport pipe (17) is fixedly connected with several air inlet pipe (18), the other end of air inlet pipe (18) is clamped in the inside of corresponding gas hole (12).

7. A diaphragm self-cleaning filter press according to claim 1, characterized in that, The both sides of filter plate (5) bottom end are provided with water outlet groove (13), which are respectively located between two filter cloth (9) and corresponding isolation membrane (10). The both sides of filter plate (5) bottom end are provided with water outlet groove (13), which are respectively located between two filter cloth (9) and corresponding isolation membrane (10).

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