CN214050581U

CN214050581U - Filter plate system of frame plate filter press

Info

Publication number: CN214050581U
Application number: CN202023084289.XU
Authority: CN
Inventors: 张金; 冯贤; 张连明; 张炳力
Original assignee: Taicang Xiaxin Electroplating Co ltd
Current assignee: Taicang Xiaxin Electroplating Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-27
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to a filter plate system of frame plate pressure filter, it includes the frame, fixedly connected with crossbeam in the frame, crossbeam one end fixedly connected with thrust plate, and slide on the crossbeam have a plurality of filter plates and pressure strip, still include the air pump, and be adjacent all be equipped with an air core board between the filter plate, the air core board is hollow core board, a plurality of exhaust holes have all been seted up on the board of air core board thickness direction both ends, be equipped with the gas-supply pipe on the air core board, gas-supply pipe and air pump intercommunication. This application has through setting up the gas core board, and the gas core board is even to filter cake blowout compressed air to further extrude the liquid in the filter cake to the filter cloth, and weather the filter cake in step, make solid-liquid mixture's solid and liquid separation rate higher, the filter cake drier's that obtains effect more.

Description

Filter plate system of frame plate filter press

Technical Field

The present application relates to the field of frame plate filter presses, and in particular, to a filter plate system for a frame plate filter press.

Background

At present, a plate-and-frame filter press is the first machine applied to chemical dehydration. The filter cake has the advantages of large filtration driving force, high solid content of the filter cake, clear filtrate, high solid recovery rate, low consumption of conditioning medicines and the like, and is widely used in the industrial field of sewage treatment.

In the related technology, the plate-and-frame filter press generally comprises a cross beam, wherein a pressing plate and a thrust plate are arranged on the cross beam, a plurality of filter plates are arranged between the pressing plate and the thrust plate, a hydraulic cylinder is arranged at one end of the cross beam and used for pushing the pressing plate, so that each filter plate is tightly abutted, through holes for introducing a solid-liquid mixture to be treated are formed in the central positions of the filter plates and the pressing plate, then the solid-liquid mixture is introduced into the gaps of the pressed filter plates through a pump, filter cloth is arranged on the filter plates, when sewage is introduced, liquid extends into the inner sides of the filter plates from the filter cloth and flows out from a water outlet at the bottom of the filter plates, the solid is blocked to form filter cakes between the filter plates, after one-time filter pressing is completed, the pressing plate is reset under the driving of the hydraulic cylinder, and a worker sequentially separates the filter plates and separates the filter plates from the filter cakes.

In view of the above-mentioned related art, the inventors considered that a large amount of water remained on the filter cake after the filter pressing, and the solid-liquid separation rate was low.

SUMMERY OF THE UTILITY MODEL

In order to improve the filter press after the filter pressing in the filter cake water content on the high side, cause the defect that solid-liquid separation rate is low, this application provides a filter plate system of frame plate filter press.

The application provides a filter plate system of frame plate filter press adopts following technical scheme:

the utility model provides a filter plate system of frame plate pressure filter, includes the frame, fixedly connected with crossbeam in the frame, crossbeam one end fixedly connected with thrust plate, and it has a plurality of filter plates and pressure strip to slide on the crossbeam, still includes the air pump, and is adjacent all be equipped with an air core board between the filter plate, the air core board is hollow core board, a plurality of exhaust holes have all been seted up on the face of air core board thickness direction both ends, be equipped with the gas-supply pipe on the air core board, gas-supply pipe and air pump intercommunication.

Through adopting above-mentioned technical scheme, through setting up the gas core board, in the filter-pressing process, the air pump is pressed the gas into in the gas core board, and gaseous from the exhaust hole back of discharging, gaseous stretch into the filter cake in to further extrude the liquid in the filter cake, make the liquid part pass the filter plate, and weather the filter cake, thereby reduced the water content of filter cake, promoted the solid-liquid separation rate.

Optionally, two valve plates are arranged in the gas core plate, the two valve plates are respectively abutted against the inner wall of the gas core plate provided with the exhaust holes, communicating holes are formed in the positions, opposite to the exhaust holes, of the valve plates, and the top ends of the valve plates penetrate through the gas core plate.

Through adopting above-mentioned technical scheme, when intercommunicating pore and exhaust hole align, gap space intercommunication between gas core inner chamber and filter plate and the gas core, gaseous from the gas core blows off, when staff pulling valve plate, when making intercommunicating pore and exhaust hole dislocation, the valve plate seals each exhaust hole, reduce the possibility that the filterable solid-liquid mixture of area enters into the inside of gas core, filter the messenger in reality, each exhaust hole is sealed at first to the valve plate, filter cake shaping when being close to the tail-tone when filtering, the air pump begins to work, the staff moves the valve plate, make exhaust hole and the inside intercommunication of gas core, gaseous emission.

Optionally, a lifting frame is arranged on the rack, a sliding rod is arranged on the lifting frame and is parallel to the length direction of the cross beam, a lifting mechanism capable of driving the sliding rod to lift along the vertical direction is arranged on the lifting frame, and the part of the valve plate top extending out of the core plate is in sliding fit with the sliding rod.

Through adopting above-mentioned technical scheme, drive the slide bar through the elevating system on the crane and slide along vertical direction to each valve plate of pulling realizes the elevating movement, and then makes exhaust hole and intercommunicating pore dislocation or intercommunication.

Optionally, the side wall of the core plate located at the exhaust hole is provided with a protective filter screen.

Through adopting above-mentioned technical scheme, through setting up the protection filter screen, further reduced on the filter cake solid component from the inside possibility of exhaust hole entering gas core board.

Optionally, the filter plate includes the sheet frame, sheet frame thickness direction both ends all are equipped with the supporting network, two one side that the supporting network kept away from each other all is equipped with the filter cloth, sheet frame thickness direction both ends all are equipped with a compressing tightly frame, two compress tightly the frame and pass through compression bolt connection, compression bolt passes the supporting network and passes the sheet frame, the sheet frame bottom side is equipped with the outlet, the outlet runs through the sheet frame.

Through adopting above-mentioned technical scheme, realized dismantling the connection to each part of filter plate through the cooperation that sets up sheet frame, supporting network and compress tightly the frame to be convenient for dismantle and wash each part of filter plate, and be convenient for take off the filter cloth and wash or change, improved the convenience that the device used.

Optionally, a bone plate is fixedly connected in the plate frame, the bone plate is located at the center of the plate frame in the thickness direction, a plurality of ribs extending in the vertical direction are fixedly connected to the bone plate, and the end portions of the ribs abut against the supporting net.

By adopting the technical scheme, the bone plates and the convex edges are arranged to play a role in manufacturing the supporting net, so that the possibility that the supporting net is extruded and deformed by a filter cake in the working process of the filter press is reduced, and when liquid enters the filter plate through the filter cloth, the liquid flows into the bottom of the filter plate along the gaps among the convex edges and finally flows out along the water outlet.

Optionally, a water guide inclined plane is fixedly arranged on the inner bottom wall of the plate frame, and the water guide inclined plane is inclined towards the water outlet.

Through adopting above-mentioned technical scheme, through setting up the water guide inclined plane, the liquid that will get into the filter plate inside is timely to outlet direction water conservancy diversion, has promoted liquid exhaust efficiency, has reduced the possibility that liquid accumulation leads to the filter pressing efficiency to descend.

Optionally, the output end of the air pump is provided with a heating cylinder, and the air delivery pipe penetrates through the heating cylinder and is communicated with the output end of the air pump.

Through adopting above-mentioned technical scheme, through setting up the cartridge heater, make from the gas core in spun air current further the extrusion of the liquid composition in the filter cake, dry the filter cake in step, be convenient for collect and transport the filter cake.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the air core plate, the air core plate uniformly sprays compressed air to the filter cake, so that liquid in the filter cake is further extruded to the filter cloth, the filter cake is synchronously dried, the solid-liquid separation rate of a solid-liquid mixture is higher, and the obtained filter cake is drier;

2. the lifting frame is arranged to uniformly lift and drive each valve plate, so that the vent holes in each gas core plate are synchronously opened or closed, and the automation degree of the device is improved;

3. through the upper plate frame, the bone plate, the filter screen and the pressing frame structure of the filter plate, workers can conveniently disassemble and clean the filter plate, and the filter cloth can be conveniently cleaned and replaced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a filter plate system according to an embodiment of the present application.

Fig. 2 is an exploded structure diagram for showing various structural positions of the filter plate according to the embodiment of the application.

Fig. 3 is a schematic cross-sectional view illustrating an internal structure of the filter plate and the air core plate according to the embodiment of the present application.

FIG. 4 is a schematic diagram for embodying the structure of a valve plate according to an embodiment of the present application

Description of reference numerals: 1. a frame; 11. a cross beam; 12. a thrust plate; 13. a compression plate; 2. filtering the plate; 21. a plate frame; 22. a support net; 23. filtering cloth; 24. a pressing frame; 25. a hold-down bolt; 26. a water outlet; 27. a bone plate; 271. a rib; 28. a water guide slope; 29. a feed hole 291 and a feed pipe; 3. an air pump; 31. a gas delivery pipe; 32. a heating cylinder; 4. a gas core plate; 41. an exhaust hole; 42. a valve plate; 421. a communicating hole; 422. a slip ring; 43. a protective filter screen; 44. a waist-shaped groove; 45. a connecting frame; 5. a lifting frame; 51. a lifting mechanism; 511. a drive motor; 512. a lifting groove; 513. a lifting slide block; 514. a screw rod; 52. a slide bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a filter plate system of a frame plate filter press. Referring to fig. 1 and 2, the filter plate system of the frame plate filter press comprises a frame 1, a cross beam 11 is fixedly connected to the frame 1, a plurality of filter plates 2 are slidably connected to the cross beam 11, an air core plate 4 is arranged between the adjacent filter plates 2 on the cross beam 11, an air pump 3 is arranged on one side of the frame, the air pump 3 selects a high-pressure air pump 3, the output end of the air pump 3 is communicated with a plurality of air pipes 31, and the air pipes 31 are communicated with the air core plates 4 one by one. The gas core plate 4 and the filter plate 2 are both provided with a feed hole 29 for introducing a solid-liquid mixture to be filtered, and the hole wall of the feed hole 29 is fixedly provided with a feed pipe 291. The filter plate 2 is in sliding fit with the cross beam 11. The air core plate 4 is provided with a valve plate 42 in a penetrating way, and the top end of the valve plate 42 extends out of the air core plate 4. The frame 1 is provided with a lifting frame 5, the lifting frame 5 is provided with a sliding rod 52 which slides along the vertical direction, the sliding rod 52 is arranged in parallel with the cross beam 11, and the gas core plate 4 is in sliding fit with the sliding rod 52. The lifting frame 5 is provided with a lifting mechanism 51 which drives the sliding rod 52 to move along the vertical direction, and the valve plate 42 is in sliding fit with the sliding rod 52.

Referring to fig. 2 and 3, the filter plate 2 includes a plate frame 21, a bone plate 27, a support net 22 and a pressing frame 24, the plate frame 21 is a hollow square frame, the bone plate 27 is located at the center of the plate frame 21 in the thickness direction, the support net 22 is located at two ends of the plate frame 21 in the thickness direction, the bone plate 27 is provided with a plurality of ribs 271, the ribs 271 extend in the vertical direction, and the ribs 271 abut against the support net 22 to support the support net 22. The two pressing frames 24 are respectively located on one side of the two support nets 22 away from each other, the surfaces of the two support nets 22 away from each other are covered with filter cloth 23, and the filter cloth 23 is tightly pressed on the support nets 22 by the pressing frames 24. The two compression frames 24 are provided with the compression bolts 25 in a penetrating mode, the compression bolts 25 penetrate through the two compression frames 24, the supporting net 22 and the plate frame 21, the compression frames 24 are provided with counter bores, the end portions and nuts of the compression bolts 25 are submerged in the counter bores, and workers disassemble the filter plate 2 through rotating the compression bolts 25, so that the filter plate 2 is convenient to clean all components, and the filter cloth 23 is convenient to clean and replace. A water outlet 26 is formed at the bottom end of the side wall of the plate frame 21, a water guide inclined plane 28 is arranged on the inner bottom wall of the plate frame 21, and the water guide inclined plane 28 is inclined downwards towards one end close to the water outlet 26.

Referring to fig. 3 and 4, the gas core plate 4 is a hollow plate having a cavity therein and is disposed in parallel with the filter plate 2. A plurality of exhaust holes 41 are formed in the side walls at the two ends of the gas core plate 4 in the thickness direction, and a plurality of exhaust holes 41 are uniformly distributed on the surface of the gas core plate 4 and the hole walls of the exhaust holes 41 and are fixedly connected with protection filter screens 43. Two valve plates 42 are arranged in the gas core plate 4, and the positions of the valve plates 42 opposite to the exhaust holes 41 are provided with communicating holes 421. Two valve plates 42 contradict with the inner wall of 4 thickness direction both ends face of gas core plate respectively, lie in between two valve plates 42 and all seted up waist type groove 44 with the relative position of feed port 29, the length direction of waist type groove 44 sets up along vertical direction, is equipped with linking frame 45 between two valve plates 42, the cell wall fixed connection of waist type groove 44 on the frame wall of linking frame 45 and two valve plates 42 to it is isolated with feed port 29 with the inside cavity of gas core plate 4 through linking frame 45. The top end of the valve plate 42 penetrates through the air core plate 4, the top end is fixedly connected with a slip ring 422, and the slip ring 422 is sleeved on the sliding rod 52. When the sliding rod 52 is driven by the lifting mechanism 51 to rise, the valve plate 42 is pulled upwards, so that the communication hole 421 and the exhaust holes 41 are staggered, the valve plate 42 closes each exhaust hole 41, and the possibility that filter residues or liquid enters the air core plate 4 and is difficult to clean is reduced.

Referring to fig. 1, the lifting mechanism 51 includes a driving motor 511 fixedly connected to the top of the lifting frame 5, a lifting slot 512 extending in the vertical direction is provided on the lifting frame 5, a lifting slide block 513 slides in the lifting slot 512, a motor shaft of the lifting motor penetrates into the lifting slot 512 in the vertical direction, a lead screw 514 is fixedly connected to the motor shaft of the lifting motor, the lead screw 514 penetrates through the lifting slide block 513 and is in threaded fit with the lifting slide block 513, and the sliding rod 52 is fixedly connected to the lifting slide block 513.

Referring to fig. 1, frame 1 one side sets firmly has a cartridge heater 32, is equipped with the heating resistor silk that the spiral extends in the cartridge heater 32, and gas-supply pipe 31 passes cartridge heater 32, heats the compressed air of air pump 3 output through cartridge heater 32 to further promote the atmospheric pressure of air core 4 output, dried the filter cake simultaneously, be convenient for obtain more dry filter residue.

The implementation principle of the filter plate system of the frame plate filter press in the embodiment of the application is as follows: during the actual filtering operation, the filter plates 2 and the gas core plate 4 are pressed together, the solid-liquid mixture to be filtered is pressed between the filter plates 2 and the gas core plate 4 by the pressure pump, the liquid of the solid-liquid mixture passes through the filter cloth 23 and extends into the inner sides of the filter plates 2 from the support net 22, the liquid passing through the support net 22 flows downwards from the gaps between the convex edges 271, and the liquid flows downwards to the water outlet 26 along the water guide inclined plane 28 and finally flows out along the water outlet 26.

When the filtration starts, the communicating holes 421 on the valve plates 42 are staggered with the drainage holes, liquid and filter residue are placed into the air core plate 4, when the filter residue is gradually retained between the filter plate 2 and the air core plate 4, after the filter cake is gradually formed, the air pump 3 starts to be started, the lifting mechanism 51 lifts the sliding rods 52, the sliding rods 52 pull the valve plates 42, the communicating holes 421 are communicated with the exhaust holes 41, compressed air in the air core plate 4 is sprayed out from the exhaust holes 41, the filter cake and moisture are further squeezed towards the filter plate 2, and the filter cake is synchronously dried.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a filter plate system of frame plate pressure filter, includes frame (1), fixedly connected with crossbeam (11) on frame (1), crossbeam (11) one end fixedly connected with thrust plate (12), and it has a plurality of filter plates (2) and pressure strip (13), its characterized in that to slide on crossbeam (11): still include air pump (3), it is adjacent all be equipped with one gas core board (4) between filter plate (2), gas core board (4) are hollow core plate, a plurality of exhaust holes (41) have all been seted up on gas core board (4) thickness direction both ends face, be equipped with gas-supply pipe (31) on gas core board (4), gas-supply pipe (31) and air pump (3) intercommunication.

2. The filter plate system of a frame-plate filter press according to claim 1, wherein: be equipped with two valve plates (42) in gas core board (4), two valve plate (42) are respectively contradicted with a gas core board (4) inner wall of seting up exhaust hole (41), intercommunicating pore (421) have been seted up with each exhaust hole (41) relative position on valve plate (42), gas core board (4) are worn to valve plate (42) top.

3. The filter plate system of a frame-plate filter press according to claim 2, wherein: be equipped with crane (5) on frame (1), be equipped with slide bar (52) on crane (5), slide bar (52) are on a parallel with crossbeam (11) length direction and set up, be provided with on crane (5) and drive slide bar (52) along vertical direction elevating system (51) that go up and down, the part and slide bar (52) sliding fit of core board (4) are stretched out on valve plate (42) top.

4. The filter plate system of a frame-plate filter press according to claim 1, wherein: and a protective filter screen (43) is arranged on the side wall of the core plate positioned at the exhaust hole (41).

5. The filter plate system of a frame-plate filter press according to claim 1, wherein: the filter plate (2) includes plate frame (21), plate frame (21) thickness direction both ends all are equipped with supporting mesh (22), two one side that supporting mesh (22) kept away from each other all is equipped with filter cloth (23), plate frame (21) thickness direction both ends all are equipped with one and compress tightly frame (24), two compress tightly frame (24) and connect through clamp bolt (25), clamp bolt (25) pass supporting mesh (22) and pass plate frame (21), plate frame (21) bottom side is equipped with outlet (26), outlet (26) run through plate frame (21).

6. The filter plate system of a frame-plate filter press according to claim 5, wherein: the novel plate frame is characterized in that a bone plate (27) is fixedly connected in the plate frame (21), the bone plate (27) is located at the center of the plate frame (21) in the thickness direction, a plurality of ribs (271) extending in the vertical direction are fixedly connected to the bone plate (27), and the end parts of the ribs (271) abut against the supporting net (22).

7. The filter plate system of a frame-plate filter press according to claim 6, wherein: a water guide inclined plane (28) is fixedly arranged on the inner bottom wall of the plate frame (21), and the water guide inclined plane (28) inclines towards the water outlet (26).

8. The filter plate system of a frame-plate filter press according to claim 1, wherein: the output end of the air pump (3) is provided with a heating cylinder (32), and the air pipe (31) penetrates through the heating cylinder (32) and is communicated with the output end of the air pump (3).