阅读说明：本技术 一种污泥处理用压滤装置及其压滤方法 (Filter pressing device for sludge treatment and filter pressing method thereof ) 是由 廖述成 黄思琪 于 2020-12-08 设计创作，主要内容包括：本发明公开了一种污泥处理用压滤装置,包括机架,所述机架的一侧连接有污泥泵箱,且污泥泵箱的一端连接有污泥管,所述机架的前后端均安装有电动导轨,所述机架的内侧靠两端均安装有挤压板,且机架的内侧靠挤压板的底端安装有两根平行的导杆,所述导杆的外侧套接有若干组压滤组件,所述机架的内侧底部安装有接料箱,且机架的顶端安装有清洗组件,所述清洗组件包括龙门架,且龙门架的内部安装有三根平行的排水管,三组所述排水管的底端之间连接有若干根清洗杆。本发明可以方便对压滤组件进行清洗,同时可以通过接料箱实现对水和污泥进行依次收集,简化了压滤装置的结构,操作简单,还能方便压滤后的污泥的排放。(The invention discloses a filter pressing device for sludge treatment, which comprises a rack, wherein one side of the rack is connected with a sludge pump box, one end of the sludge pump box is connected with a sludge pipe, electric guide rails are respectively arranged at the front end and the rear end of the rack, extrusion plates are respectively arranged at the inner side of the rack close to the two ends, two parallel guide rods are arranged at the inner side of the rack close to the bottom ends of the extrusion plates, a plurality of groups of filter pressing assemblies are sleeved at the outer sides of the guide rods, a material receiving box is arranged at the bottom of the inner side of the rack, a cleaning assembly is arranged at the top end of the rack, the cleaning assembly comprises a portal frame, three parallel drain pipes are arranged in the portal frame, and a plurality of cleaning rods are connected. The filter pressing device can be conveniently cleaned, and meanwhile, water and sludge can be sequentially collected through the material receiving box, so that the structure of the filter pressing device is simplified, the operation is simple, and the filter pressing device can be conveniently discharged.)

1. The filter pressing device for sludge treatment is characterized by comprising a rack (1), wherein one side of the rack (1) is connected with a sludge pump box (2), one end of the sludge pump box (2) is connected with a sludge pipe (3), electric guide rails (4) are installed at the front end and the rear end of the rack (1), extrusion plates (5) are installed at the inner sides of the rack (1) by two ends, two parallel guide rods (6) are installed at the inner sides of the rack (1) by the bottom ends of the extrusion plates (5), a plurality of groups of filter pressing assemblies (8) are sleeved at the outer sides of the guide rods (6), a material receiving box (7) is installed at the bottom of the inner side of the rack (1), and a cleaning assembly (9) is installed at the top end of the rack (1);

the cleaning assembly (9) comprises a portal frame (10), three parallel drainage pipes (11) are arranged inside the portal frame (10), a plurality of cleaning rods (12) are connected between the bottom ends of three groups of drainage pipes (11), a connecting arc pipe (13) is connected between one ends of the three groups of drainage pipes (11), and a pipe joint (14) is connected outside the connecting arc pipe (13);

the filter pressing assembly (8) comprises two groups of parallel clamping plates (20), through holes (21) are formed in the side edges penetrating through the two groups of clamping plates (20), a filter pressing box (22) is installed between the two groups of clamping plates (20), a filter bag (23) is arranged on the inner side of the filter pressing box (22), and two groups of sealing rubber plates (24) are arranged between the top and the bottom of the inner side of the filter bag (23);

connect the one end of workbin (7) to install and drive actuating cylinder (26) and two sets of upset motor (25), it is located in the middle of two sets of upset motor (25) to drive actuating cylinder (26), the inside front and back end that connects workbin (7) all is provided with turns over board (28), and connects inside one side of workbin (7) to be provided with push pedal (27), the inside bottom that connects workbin (7) is provided with otter board (29), and the bottom of otter board (29) is connected with drainage box (30).

2. A filter-pressing device for sludge treatment according to claim 1, characterized in that one side of the push plate (27) is fixedly connected with one end of the driving cylinder (26), and the bottom of the push plate (27) is positioned above the bottommost part of the turning plate (28).

3. The filter pressing device for sludge treatment as claimed in claim 1, wherein the bottom of the turning plate (28) is movably connected with the inner side of the material receiving box (7) through a rotating shaft, and the top of the turning motor (25) is movably connected with one end of the turning plate (28) near the bottom.

4. The filter pressing device for sludge treatment according to claim 1, wherein the cleaning rod (12) comprises a shunt tube (15), three groups of spherical seats (16) are equidistantly arranged at the bottom end of the shunt tube (15), a ball head (17) is clamped on the inner side of each spherical seat (16), a corrugated tube (18) is connected to the bottom end of each ball head (17), and a spray head (19) is connected to the bottom end of each corrugated tube (18).

5. A filter-pressing device for sludge treatment according to claim 4, characterized in that one end of the corrugated pipe (18) extends into the bulb (17), and one end of the corrugated pipe (18) is fixedly connected with the inner side of the shunt pipe (15).

6. The filter pressing device for sludge treatment according to claim 1, wherein the front and rear ends of the extrusion plate (5) and the clamping plate (20) are provided with sliding blocks, and the extrusion plate (5) and the clamping plate (20) are slidably connected with the electric guide rail (4) through the sliding blocks.

7. The filter pressing device for sludge treatment as claimed in claim 1, wherein two groups of sealing rubber plates (24) arranged in the middle of the top and the bottom of the inner side of the filter bag (23) are arranged in a relatively inclined manner, and the top ends of each two groups of sealing rubber plates (24) are contacted but not fixed.

8. The filter pressing device for sludge treatment as claimed in claim 1, wherein a sludge pump is arranged inside the sludge pump box (2), one end of the sludge pump is fixedly connected with the inner side of the sludge pipe (3), the sludge pipe (3) passes through the inner side of the extrusion plate (5) and passes through the inner side of the through hole (21), a plurality of sludge discharge holes are formed in the bottom end of the sludge pipe (3), and the plurality of sludge discharge holes correspond to the inner sides of the plurality of filter pressing assemblies (8) one by one.

9. The filter pressing device for sludge treatment according to claim 1, wherein the adjacent filter pressing assemblies (8) are fixedly connected, a plurality of groups of filter pressing assemblies (8) are arranged between two groups of extrusion plates (5), the number of the cleaning rods (12) is the same as that of the filter pressing assemblies (8), and the cleaning rods are in one-to-one up-and-down position correspondence.

10. A filter-pressing method of a filter-pressing device for sludge treatment as claimed in claim 1, characterized in that the method comprises the following steps:

the method comprises the following steps: firstly, sludge is sucked by a sludge pump in a sludge pump box (2) at the side of a frame (1), a sliding block is utilized to slide on an electric guide rail (4) through a squeezing plate (5) and each filter pressing component (8), the squeezing plate (5) is utilized to drive each filter pressing component (8) to approach each other, the filter pressing box (22) between two groups of clamping plates (20) is in an initial pressing state, the tops of two groups of sealing rubber plates (24) at the upper end and the lower end in a filter bag (23) at the inner side of the filter pressing box (22) are mutually attached, so that no gap exists in the filter bag (23);

step two: the sludge pipe (3) penetrates through the two groups of extrusion plates (5) and the through holes (21), sludge is discharged into each filter pressing assembly (8) through the sludge discharge holes at the bottom of the sludge pipe (3), the sludge is positioned in the filter bags (23) until the filter bags (23) are filled with the sludge, and feeding is stopped;

step three: the squeezing plates (5) are driven by the electric guide rail (4) to squeeze the filter pressing assemblies (8), firstly, moisture in the sludge is squeezed out, the moisture in the sludge is squeezed out through the filter bag (23) and falls into the material receiving box (7), the moisture flows into the water discharging box (30) through the screen plate (29) after entering the material receiving box (7), and finally is discharged from the water discharging box (30), when no water is generated, two groups of turning motors (25) drive two groups of turning plates (28) to turn into a horizontal shape from two ends in the material receiving box (7), the tops of the screen plate (29) are covered after the two groups of turning plates (28) are turned, then, the electric guide rail (4) is utilized to drive the two groups of squeezing plates (5) to be separated, each filter pressing assembly (8) is driven to be separated, the filter bag (23) is pulled open, at the moment, two groups of sealing rubber plates (24) at the bottom end and the top end in the filter bag (23) are pulled open, discharging the sludge after filter pressing, dropping the sludge into the tops of two groups of turning plates (28) in the material receiving box (7), and pushing the collected sludge to be concentrated by utilizing a driving air cylinder (26) to drive a push plate (27) to finish the sludge collection operation.

Technical Field

The invention relates to the field of filter pressing devices, in particular to a filter pressing device for sludge treatment and a filter pressing method thereof.

Background

The filter pressing device is a device which utilizes a special filter medium to apply certain pressure to an object, so that liquid is dialyzed out.

The existing filter pressing device for sludge treatment has certain disadvantages in use, the existing filter pressing device for sludge treatment lacks a good measure for collecting water generated by filter pressing when in use, and the water is basically directly discharged in the environment and affects the humidity of the sludge after filter pressing; the existing filter pressing device for sludge treatment is inconvenient to clean after filter pressing is finished, and subsequent use is influenced; the existing filter pressing device for sludge treatment basically adopts a plate-frame filter pressing structure, has a complex structure, is inconvenient to operate and brings certain influence on actual use.

Disclosure of Invention

The invention aims to provide a filter pressing device for sludge treatment and a filter pressing method thereof, which can effectively solve the following problems:

1. when the existing filter pressing device for sludge treatment is used, a good measure for collecting water generated by filter pressing is lacked, and the water is basically directly discharged in the environment, so that the moisture and humidity of the sludge after filter pressing are influenced;

2. the existing filter pressing device for sludge treatment is inconvenient to clean after filter pressing is finished, and subsequent use is influenced;

3. the existing filter pressing device for sludge treatment basically adopts a plate-frame filter pressing structure, has a complex structure and is inconvenient to operate.

The purpose of the invention can be realized by the following technical scheme:

a filter pressing device for sludge treatment comprises a rack, wherein one side of the rack is connected with a sludge pump box, one end of the sludge pump box is connected with a sludge pipe, electric guide rails are arranged at the front end and the rear end of the rack, extrusion plates are arranged at the inner side of the rack by both ends, two parallel guide rods are arranged at the inner side of the rack by the bottom end of the extrusion plates, a plurality of groups of filter pressing assemblies are sleeved at the outer sides of the guide rods, a material receiving box is arranged at the bottom of the inner side of the rack, and a cleaning assembly is arranged at the top end of the rack;

the cleaning assembly comprises a portal frame, three parallel water discharging pipes are arranged inside the portal frame, a plurality of cleaning rods are connected between the bottom ends of three groups of water discharging pipes, a connecting arc pipe is connected between one ends of the three groups of water discharging pipes, and a pipe joint is connected outside the connecting arc pipe;

the filter pressing assembly comprises two groups of parallel clamping plates, through holes are formed in the side edges penetrating through the two groups of clamping plates, a filter pressing box is installed between the two groups of clamping plates, a filter bag is arranged on the inner side of the filter pressing box, and two groups of sealing rubber plates are arranged between the top and the bottom of the inner side of the filter bag;

connect the one end of workbin to install and drive actuating cylinder and two sets of upset motors, it is located between two sets of upset motors to drive actuating cylinder, connect the inside front and back end of workbin all to be provided with and turn over the board, and the inside one side that connects the workbin is provided with the push pedal, the inside bottom that connects the workbin is provided with the otter board, and the bottom of otter board is connected with the drainage box.

Preferably, one side of the push plate is fixedly connected with one end of the driving cylinder, and the bottom of the push plate is positioned above the bottommost part of the turning plate.

Preferably, the bottom of the turning plate is movably connected with the inner side of the material receiving box through a rotating shaft, and the top of the turning motor is movably connected with one end of the turning plate close to the bottom.

Preferably, the washing pole includes the shunt tubes, the bottom equidistance of shunt tubes is provided with three spherical seats of group, and the inboard joint of spherical seat has the bulb, and the bottom of bulb is connected with the bellows, and the bottom of bellows is connected with the shower nozzle.

Preferably, one end of the corrugated pipe extends into the ball head, and one end of the corrugated pipe is fixedly connected with the inner side of the shunt pipe.

Preferably, the front end and the rear end of the extrusion plate and the clamping plate are both provided with sliding blocks, and the extrusion plate and the clamping plate are both connected with the electric guide rail in a sliding mode through the sliding blocks.

Preferably, two groups of sealing rubber plates which are arranged in the middle of the top and the bottom of the inner side of the filter bag are arranged in a relatively inclined mode, and the top ends of every two groups of sealing rubber plates are in contact with each other but are not fixed.

Preferably, the inside of sludge pump case is provided with the sludge pump, the inboard fixed connection of the one end of sludge pump and sludge pipe, and the sludge pipe passes the inboard of stripper plate, and through the inboard of through-hole, and a plurality of mud discharging hole has been seted up to the bottom of sludge pipe, a plurality of mud discharging hole and a plurality of filter-pressing subassembly's inboard one-to-one.

Preferably, it is adjacent fixed connection between the filter pressing subassembly, and a plurality of filter pressing subassemblies of group all are located between two sets of stripper plates, and the quantity of wasing the pole is the same with the quantity of filter pressing subassembly and the position corresponds from top to bottom one by one.

A filter pressing method of a filter pressing device for sludge treatment specifically comprises the following steps:

the method comprises the following steps: firstly, sludge is sucked by a sludge pump in a sludge pump box at the side of a rack, the extrusion plates and the filter pressing assemblies slide on an electric guide rail by utilizing slide blocks, the extrusion plates are firstly utilized to drive the filter pressing assemblies to be close to each other, the filter pressing box between two groups of clamping plates is in an initial pressing state, the tops of two groups of sealing rubber plates at the upper end and the lower end in the filter bag at the inner side of the filter pressing box are mutually attached, so that no gap exists in the filter bag;

step two: the sludge pipe penetrates through the two groups of extrusion plates and the through holes, sludge is discharged into each filter pressing assembly through the sludge discharge holes at the bottom of the sludge pipe, the sludge is positioned in the filter bags, and feeding is stopped until the filter bags are filled with the sludge;

step three: the squeezing plates are driven by the electric guide rail to squeeze the filter pressing components again, firstly, moisture in the sludge is squeezed out, the moisture in the sludge is squeezed out through the filter bags and falls into the material receiving box, the moisture flows into the water discharging box through the screen plate and is discharged from the water discharging box, when no water is generated, two groups of turning plates are driven by two groups of turning motors to turn over from two ends inside the material receiving box into a horizontal shape, the top of the screen plate is covered after the two groups of turning plates are turned over, then, the two groups of squeezing plates are driven by the electric guide rail to be separated to drive the filter pressing components to be separated, the filter bag is pulled open, gaps are generated after the two groups of sealing rubber plates at the bottom end and the top end inside the filter bag are pulled open, the sludge after filter pressing is discharged, the sludge falls into the tops of the two groups of turning plates in the material receiving box, and the collected sludge is pushed, and finishing the sludge collection operation.

The invention has the beneficial effects that:

according to the sludge filter-pressing device, the material receiving box is arranged, the screen plate and the drainage box are arranged at the bottom end inside the material receiving box, water generated in the sludge filter-pressing process enters the material receiving box and is drained from the drainage box after passing through the screen plate, the two groups of turning motors drive the two groups of turning plates to be turned into a horizontal shape from two ends inside the material receiving box, the tops of the screen plates are covered after the two groups of turning plates are turned, sludge falls into the tops of the two groups of turning plates in the material receiving box, the driving air cylinder drives the push plate to push the collected sludge to be concentrated, sludge collection operation is completed, water and sludge generated by filter-pressing can be sequentially collected through the material receiving box, the problem that the dryness of sludge after filter-pressing is influenced due to the fact that environment is wet due to the fact that sewage generated by traditional filter-pressing devices is discharged everywhere is solved, and the dryness of the sludge;

by arranging the pressing component which is used as a sludge press-filtering structure, the press-filtering component utilizes two groups of clamping plates to clamp a press-filtering box, a filter bag is arranged on the inner side of the press-filtering box, two groups of sealing rubber plates are respectively arranged at the upper end and the lower end in the filter bag, each two groups of sealing rubber plates adopt a contact connection mode, the two groups of sealing rubber plates are separated to generate a gap after the filter bag is pulled, so that sludge is conveniently discharged, meanwhile, the condition that the sealing rubber plates are not leaked due to contact during the press-filtering process is avoided, the traditional plate-frame type press-filtering structure is replaced, the whole press-filtering component is simple in structure, the filter bag is adopted so as to conveniently discharge water, an independent drainage mechanism is not;

through setting up the cleaning assembly, when the filter bag pulls open, two sets of sealed offset plates that are located upper portion separately and then produce the space, can utilize cleaning assembly to wash each filter-pressing subassembly, after each filter bag pulls open, send water into each drain pipe through the coupling joint water pipe through connecting the arc pipe, the drain pipe sends water into and washs the pole, send into each bellows afterwards by the shunt tubes in, every washs the pole and corresponds a filter bag, through with the bulb at spherical seat internal rotation, the direction of adjustment bellows, the shower nozzle that three bellows of group are connected corresponds every filter bag inside different positions in proper order, and then can carry out the omnidirectional to the filter bag and wash, it is clean inadequately when having solved artifical washing, the problem that is not convenient enough when installing relevant washing structure in the filter-pressing subassembly, the cleanliness of filter-pressing subassembly has been guaranteed, the going on of convenient cleaning.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a filter pressing device for sludge treatment according to the present invention;

FIG. 2 is a bottom sectional view of a cleaning assembly in a filter press device for sludge treatment according to the present invention;

FIG. 3 is a structural view of a cleaning rod of the filter pressing device for sludge treatment according to the present invention;

FIG. 4 is a structural view of a pressure filter assembly in the pressure filter device for sludge treatment according to the present invention;

FIG. 5 is a side view of a filter press box of the filter press device for sludge treatment according to the present invention;

FIG. 6 is a structural view of a material receiving box in the filter pressing device for sludge treatment according to the present invention;

FIG. 7 is a sectional view of a material receiving tank of a filter-pressing device for sludge treatment according to the present invention.

In the figure: 1. a frame; 2. a sludge pump box; 3. a sludge pipe; 4. an electric rail; 5. a pressing plate; 6. a guide bar; 7. a material receiving box; 8. a filter pressing assembly; 9. cleaning the assembly; 10. a gantry; 11. a drain pipe; 12. a cleaning rod; 13. connecting an arc tube; 14. a pipe joint; 15. a shunt tube; 16. a spherical seat; 17. a ball head; 18. a bellows; 19. a spray head; 20. a splint; 21. a through hole; 22. a filter-pressing box; 23. a filter bag; 24. sealing the rubber plate; 25. a turnover motor; 26. a driving cylinder; 27. pushing the plate; 28. turning over a plate; 29. a screen plate; 30. a drainage tank.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a filter pressing device for sludge treatment comprises a frame 1, wherein one side of the frame 1 is connected with a sludge pump box 2, one end of the sludge pump box 2 is connected with a sludge pipe 3, electric guide rails 4 are respectively arranged at the front end and the rear end of the frame 1, extrusion plates 5 are respectively arranged at the inner side of the frame 1 close to the two ends, two parallel guide rods 6 are arranged at the inner side of the frame 1 close to the bottom ends of the extrusion plates 5, a plurality of groups of filter pressing assemblies 8 are sleeved at the outer sides of the guide rods 6, a material receiving box 7 is arranged at the bottom of the inner side of the frame 1, a cleaning assembly 9 is arranged at the top end of the frame 1, and the cleaning assembly 9;

the cleaning assembly 9 comprises a portal frame 10, three parallel water discharge pipes 11 are arranged inside the portal frame 10, a plurality of cleaning rods 12 are connected between the bottom ends of the three groups of water discharge pipes 11, a connecting arc pipe 13 is connected between one ends of the three groups of water discharge pipes 11, a pipe joint 14 is connected outside the connecting arc pipe 13, flushing water is sent into the connecting arc pipe 13 through a connecting water pipe of the pipe joint 14, and then is sent into each water discharge pipe 11 through the connecting arc pipe 13;

the filter pressing assembly 8 comprises two groups of parallel clamping plates 20, through holes 21 are formed in the side edges penetrating through the two groups of clamping plates 20, a filter pressing box 22 is installed between the two groups of clamping plates 20, a filter bag 23 is arranged on the inner side of the filter pressing box 22, two groups of sealing rubber plates 24 are arranged in the middle of the top and the bottom of the inner side of the filter bag 23, no gap is formed after the sealing rubber plates 24 are attached, and sludge is prevented from being exposed;

connect the one end of workbin 7 to install and drive actuating cylinder 26 and two sets of upset motor 25, drive actuating cylinder 26 and be located between two sets of upset motor 25, the inside front and back end that connects workbin 7 all is provided with turns over board 28, and connects inside one side of workbin 7 to be provided with push pedal 27, and the inside bottom that connects workbin 7 is provided with otter board 29, and the bottom of otter board 29 is connected with drainage box 30, and drainage box 30 will come from the water discharge of otter board 29.

One side of push pedal 27 and the one end fixed connection of driving actuating cylinder 26, and the bottom of push pedal 27 is located the bottommost top of turning over board 28, and driving actuating cylinder 26 will promote push pedal 27 and remove, conveniently collects mud.

The bottom of the turning plate 28 is movably connected with the inner side of the material receiving box 7 through a rotating shaft, the top of the turning motor 25 is movably connected with one end of the turning plate 28 close to the bottom, and the turning plate 28 is driven to turn by the turning motor 25.

The cleaning rod 12 comprises a shunt pipe 15, three groups of spherical seats 16 are arranged at the bottom end of the shunt pipe 15 at equal intervals, a ball head 17 is clamped on the inner side of each spherical seat 16, a corrugated pipe 18 is connected to the bottom end of each ball head 17, a spray head 19 is connected to the bottom end of each corrugated pipe 18, and the direction of the spray head 19 can be adjusted through rotation of each ball head 17.

One end of the bellows 18 extends into the interior of the bulb 17, and one end of the bellows 18 is fixedly connected to the inside of the shunt tube 15.

The front and back ends of the extrusion plate 5 and the clamping plate 20 are provided with sliding blocks, and the extrusion plate 5 and the clamping plate 20 are both connected with the electric guide rail 4 in a sliding mode through the sliding blocks.

Two sets of sealed offset plates 24 that all set up in the middle of the inboard top of filter bag 23 and the bottom all are relative slope setting, and every two sets of sealed offset plates 24's top contact is nevertheless unset, and it is fixed not to connect between the sealed offset plates 24, and then can produce the gap when contactless, the row's of being convenient for mud operation.

The inside of sludge pump case 2 is provided with the sludge pump, the inboard fixed connection of the one end of sludge pump and sludge pipe 3, and sludge pipe 3 passes the inboard of stripper plate 5, and through the inboard of through-hole 21, and a plurality of mud discharging hole, a plurality of mud discharging hole and a plurality of filter pressing assembly 8's inboard one-to-one have been seted up to the bottom of sludge pipe 3.

Fixed connection between the adjacent filter pressing subassembly 8, and a plurality of filter pressing subassembly 8 of group all are located between two sets of stripper plates 5, and the quantity that washs pole 12 is the same with filter pressing subassembly 8's quantity and the position corresponds from top to bottom one by one, and every group washs pole 12 and is responsible for the washing of a set of filter pressing subassembly 8.

A filter pressing method of a filter pressing device for sludge treatment comprises the steps of firstly sucking sludge through a sludge pump in a sludge pump box 2 on the side of a rack 1, sliding on an electric guide rail 4 through a pressing plate 5 and each filter pressing assembly 8 by utilizing a sliding block, firstly driving each filter pressing assembly 8 to be close to each other by utilizing the pressing plate 5, enabling a filter pressing box 22 between two groups of clamping plates 20 to be in an initial pressing state, enabling the tops of two groups of sealing rubber plates 24 on the upper end and the lower end in a filter bag 23 inside the filter pressing box 22 to be mutually attached to enable the inside of the filter bag 23 to be free of gaps, enabling a sludge pipe 3 to penetrate through the two groups of pressing plates 5 and through holes 21, discharging the sludge into each filter pressing assembly 8 through each sludge discharge hole at the bottom of the sludge pipe 3, enabling the sludge to be located in the filter bag 23 until each filter bag 23 is filled with the sludge, stopping feeding, driving the pressing plates 5 to extrude the filter pressing assemblies, firstly, water in the sludge is extruded out, the water in the sludge is extruded out through the filter bag 23 and falls into the material receiving box 7, the water enters the material receiving box 7 and then flows into the water discharging box 30 through the screen 29, and finally is discharged from the water discharging box 30, when no water is generated any more, two groups of turning plates 28 are driven by two groups of turning motors 25 to turn over from two ends in the material receiving box 7 into a horizontal shape, the top of the screen 29 is covered after the two groups of turning plates 28 are turned over, then two groups of extrusion plates 5 are driven by the electric guide rail 4 to be separated to drive each filter pressing component 8 to be separated, the filter bag 23 is pulled open, at the moment, two groups of sealing rubber plates 24 at the bottom end and the top end in the filter bag 23 are pulled open to generate a gap, the filtered sludge is discharged, the sludge falls into the tops of the two groups of turning plates 28 in the material receiving box 7, the driving air cylinder 26 is, accomplish the mud and collect the operation, when needs are washd, can utilize and wash subassembly 9 and wash each filter pressing subassembly 8, after each filter bag 23 pulls open, connect the water pipe through coupling 14 and send water into each drain pipe 11 through connecting arc pipe 13, wash pole 12 is sent into to drain pipe 11, send into each bellows 18 by shunt tubes 15 afterwards, every wash pole 12 corresponds a filter bag 23, through with bulb 17 in 16 internal rotations of spherical seat, adjust the direction of bellows 18, shower nozzle 19 that three bellows 18 of group connect corresponds every filter bag 23 inside different positions in proper order, and then can carry out the omnidirectional to filter bag 23 and wash, turn over board 28 and turn over, the sparge water passes through behind otter board 29 behind the drain box 30 discharge can.

The invention arranges the material receiving box 7, arranges the screen plate 29 and the drainage box 30 at the bottom end in the material receiving box 7, water generated in the sludge filter pressing process enters the material receiving box 7 and is discharged from the water discharging box 30 after passing through the screen plate 29, two groups of turning plates 28 are driven by two groups of turning motors 25 to be turned into a horizontal shape from two ends in the material receiving box 7, the tops of the mesh plates 29 are covered after the two groups of turning plates 28 are turned, sludge falls into the tops of the two groups of turning plates 28 in the material receiving box 7, the driving air cylinder 26 is utilized to drive the push plate 27 to push the collected sludge to be concentrated, so that the sludge collection operation is completed, the water and the sludge generated by filter pressing can be sequentially collected through the material receiving box 7, the problem that the dryness and humidity of the sludge after filter pressing are affected due to the fact that the environment is wet as the sewage generated by the traditional filter pressing device is discharged everywhere during filter pressing is solved, and the dryness of the sludge is not affected by the environment during collection; by arranging the pressing component 8, the pressing component 8 is used as a sludge press filtration structure, the pressing box 22 is clamped by two groups of clamping plates 20, a filter bag 23 is arranged on the inner side of the pressing box 22, two groups of sealing rubber plates 24 are respectively arranged at the upper end and the lower end in the filter bag 23, each two groups of sealing rubber plates 24 adopt a contact connection mode, the two groups of sealing rubber plates 24 are separated to generate a gap after the filter bag 23 is pulled open, so that sludge is conveniently discharged, meanwhile, the sealing rubber plates 24 are not leaked when in contact during press filtration, the traditional plate-and-frame type press filtration structure is replaced, the whole pressing component 8 is simple in structure, the filter bag 23 is adopted to conveniently discharge water, an independent drainage mechanism is not required to be arranged, and the press filtration process of the whole pressing device is; by arranging the cleaning component 9, when the filter bags 23 are pulled open, two groups of sealing rubber plates 24 positioned at the upper part are separated to generate gaps, each filter pressing component 8 can be cleaned by the cleaning component 9, after each filter bag 23 is pulled open, water is sent into each water discharge pipe 11 through the pipe joint 14 connecting water pipe through the connecting arc pipe 13, the water is sent into the cleaning rods 12 by the water discharge pipes 11 and then sent into each corrugated pipe 18 through the shunt pipe 15, each cleaning rod 12 corresponds to one filter bag 23, the direction of the corrugated pipe 18 is adjusted by rotating the ball head 17 in the spherical seat 16, the spray heads 19 connected with the three groups of corrugated pipes 18 sequentially correspond to different positions inside each filter bag 23, and further the filter bags 23 can be comprehensively cleaned, the problem that the filter pressing component is not clean enough when a related cleaning structure is installed in the filter pressing component 8 is solved, and the cleanliness of the filter pressing component is ensured, the cleaning operation is convenient to carry out.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.