Sludge pressure filtration device

Abstract

The present invention provides a sludge pressure filtration device, comprising: a cloth feeding mechanism, a pressure filtration mechanism and a transfer mechanism; a pressure filtration bin and a storage bin are arranged in sequence along the height direction, a discharge port is arranged on the side wall of the storage bin, a blanking port is arranged on the pressure filtration bin, and sludge can fall into the pressure filtration bin from the discharge port; the cloth stacking assembly includes a reel and a filter cloth, the reel is rotatably connected to the storage bin, the filter cloth is wound around the reel, and the free end of the filter cloth is located in the pressure filtration bin; a first driving member drives the storage bin to reciprocate in a first direction so that the filter cloth can be folded back and forth in the pressure filtration bin, and the filter cloth and the sludge falling into the pressure filtration bin from the discharge port are alternately stacked to form sludge blocks; through the reciprocating movement of the storage bin and the unwinding of the filter cloth, the sludge and the filter cloth form alternately stacked sludge blocks, a second driving member drives the pressure filtration unit to perform pressure filtration and dehydration on the sludge blocks, and a third driving member is used to move the pressure filtration bin to the cloth feeding station or the pressure filtration station, which is beneficial to improving the pressure filtration efficiency of sludge treatment.

Description

Technical Field

[0001] The present invention relates to the technical field of sludge treatment, and particularly relates to a sludge filter press device. Background Art

[0002] A filter press is a commonly used solid-liquid separation device, which is widely used in the process of sludge dewatering. Under the action of pressure, the water in the sludge is squeezed out to achieve solid-liquid separation. The moisture content of the sludge before entering the filter press is about 80%. After filter press dewatering, a sludge cake is formed, and the moisture content of the sludge cake can be reduced to 40% - 60%.

[0003] In the filter press dewatering treatment of sludge, in the prior art, the sludge is usually coated on the filter cloth. After squeezing out the water in the sludge, subsequent treatment is carried out. During the cloth feeding process, the sludge feeding and the filter cloth feeding usually act separately, with low cloth feeding efficiency and usually requiring the participation of operators, thus affecting the filter press efficiency of the sludge. Summary of the Invention

[0004] The present invention provides a sludge filter press device to solve the problem of poor filter press efficiency existing in the existing filter press equipment.

[0005] The present invention provides a sludge filter press device, including: a cloth feeding mechanism, a filter press mechanism, and a transfer mechanism;

[0006] The cloth feeding mechanism includes a storage bin, a filter press bin, a cloth folding assembly, and a first driving member. The filter press bin and the storage bin are arranged in sequence along the height direction. The side wall of the storage bin is provided with a discharge port, and the filter press bin is provided with a blanking port. The sludge can fall from the discharge port into the filter press bin; the cloth folding assembly includes a reel and a filter cloth. The reel is rotatably connected to the storage bin, the filter cloth is wound around the reel, and the free end of the filter cloth is located in the filter press bin; the first driving member is used to drive the storage bin to reciprocate along a first direction, so that the filter cloth can be reciprocally folded in the filter press bin, and the filter cloth and the sludge falling from the discharge port into the filter press bin are alternately laminated to form a sludge block;

[0007] The filter press mechanism includes a second driving member and a filter press unit. The second driving member is used to drive the filter press unit to reciprocate along a second direction to perform filter press dewatering on the sludge block; wherein, the first direction and the second direction are perpendicular to each other;

[0008] The transfer mechanism includes a third driving member, and the third driving member is used to move the filter press bin to the cloth feeding station or the filter press station.

[0009] According to a sludge filter press device provided by the present invention, the storage bin includes a support seat, a feed hopper, and a guide plate;

[0010] One side of the support base is provided with the discharge port, and the guide plate is obliquely arranged at the discharge port; the top of the support base is open, the feed hopper is arranged at the open part, and the bottom of the feed hopper is communicated with the guide plate through a guide chute.

[0011] According to a sludge pressure filtration device provided by the present invention, the fabric stacking assembly further includes a fourth driving member;

[0012] The two reels are arranged on the support base at intervals along the first direction, the filter cloth is wound around the two reels, and the fourth driving member is used to drive the two reels to rotate so as to unwind or wind up the filter cloth.

[0013] According to a sludge pressure filtration device provided by the present invention, the sludge pressure filtration device further includes an aggregate bin;

[0014] The top end of the aggregate bin is attached to the bottom end of the support base, and the aggregate bin is communicated with the support base; the fourth driving member can drive the two reels to rotate so as to wind up the filter cloth, and the dried sludge on the filter cloth can fall into the aggregate bin.

[0015] According to a sludge pressure filtration device provided by the present invention, the sludge pressure filtration device further includes a water collection bin, the pressure filtration bin is provided with a liquid outlet, and the liquid outlet is communicated with the water collection bin through a conveying pipeline.

[0016] According to a sludge pressure filtration device provided by the present invention, the sludge pressure filtration device further includes a base, and the fabric feeding mechanism, the pressure filtration mechanism and the transfer mechanism are sequentially arranged on the base.

[0017] According to a sludge pressure filtration device provided by the present invention, the fabric feeding mechanism further includes a first support plate, and the transfer mechanism further includes a second support plate;

[0018] The first support plate and the second support plate are arranged at intervals along the extending direction of the base; the fixed end of the first driving member is connected to the first support plate, and the driving end of the first driving member is connected to the storage bin; the fixed end of the third driving member is connected to the second support plate, and the driving end of the third driving member is connected to the pressure filtration bin.

[0019] According to a sludge pressure filtration device provided by the present invention, the pressure filtration mechanism further includes a support frame;

[0020] The support frame is arranged between the first support plate and the second support plate, the support frame includes a support beam and a top plate, the two support beams are arranged on the base at intervals, the top of the support beam is connected to the top plate, the fixed end of the second driving member is connected to the top plate, and the driving end of the second driving member is connected to the pressure filtration unit.

[0021] A sludge pressure filtration device provided by the present invention, the distance between the two support beams is adapted to the pressure filtration chamber.

[0022] A sludge pressure filtration device provided by the present invention, the sludge pressure filtration device further includes a controller;

[0023] The first driving member, the second driving member and the third driving member are all connected to the controller, and the controller is used to control the first driving member, the second driving member and the third driving member to cooperate.

[0024] In the sludge pressure filtration device provided by the present invention, the first driving member drives the storage bin to reciprocate above the pressure filtration chamber, and the rotation of the reel can unwind the filter cloth. Through the reciprocating movement of the storage bin and the unwinding of the filter cloth, the sludge falling into the pressure filtration chamber and the filter cloth entering the pressure filtration chamber form an interleaved and stacked sludge block. The second driving member can drive the pressure filtration unit to perform pressure filtration and dehydration on the sludge block, and the transfer mechanism drives the pressure filtration chamber to move to the cloth feeding station for cloth feeding operation or move to the pressure filtration station for pressure filtration and dehydration operation, which is beneficial to improving the pressure filtration efficiency of sludge treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 is a schematic structural diagram of the sludge pressure filtration device provided by the present invention;

[0027] Reference numerals: 1: cloth feeding mechanism; 11: storage bin; 111: support seat; 112: feed hopper; 113: guide plate; 12: pressure filtration chamber; 13: cloth stacking assembly; 131: reel; 132: filter cloth; 14: first driving member; 15: first support plate; 2: pressure filtration mechanism; 21: pressure filtration unit; 22: second driving member; 23: support frame; 3: transfer mechanism; 31: third driving member; 32: second support plate; 4: aggregate bin; 5: base. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions in the present invention in conjunction with the drawings in the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments in the present invention belong to the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0030] The following Figure 1 describes the sludge pressure filtration device according to the embodiments of the present invention.

[0031] As Figure 1 shown, the sludge pressure filtration device provided by the embodiments of the present invention includes: a cloth feeding mechanism 1, a pressure filtration mechanism 2, and a transfer mechanism 3.

[0032] The cloth feeding mechanism 1 includes a storage bin 11, a pressure filtration bin 12, a cloth folding assembly 13, and a first driving member 14. The pressure filtration bin 12 and the storage bin 11 are arranged in sequence along the height direction. The side wall of the storage bin 11 is provided with a discharge port, and the pressure filtration bin 12 is provided with a blanking port. The sludge can fall into the pressure filtration bin 12 from the discharge port. The cloth folding assembly 13 includes a reel 131 and a filter cloth 132. The reel 131 is rotatably connected to the storage bin 11, the filter cloth 132 is wound around the reel 131, and the free end of the filter cloth 132 is located in the pressure filtration bin 12. The first driving member 14 is used to drive the storage bin 11 to reciprocate along a first direction, so that the filter cloth 132 can be reciprocally folded in the pressure filtration bin 12, and the filter cloth 132 and the sludge falling into the pressure filtration bin 12 from the discharge port are alternately laminated to form a sludge block.

[0033] The pressure filtration mechanism 2 includes a second driving member 22 and a pressure filtration unit 21. The second driving member 22 is used to drive the pressure filtration unit 21 to reciprocate along a second direction to perform pressure filtration and dehydration on the sludge block. Among them, the first direction and the second direction are perpendicular to each other.

[0034] The transfer mechanism 3 includes a third driving member 31. The third driving member 31 is used to move the pressure filtration bin 12 to the cloth feeding station or the pressure filtration station.

[0035] Specifically, the storage bin 11 is provided with a feed inlet, which can be provided at the top of the storage bin 11 or at the side wall of the storage bin 11, and a discharge port is provided on one side wall of the storage bin 11. The filter press bin 12 and the storage bin 11 are arranged in sequence along the height direction, the storage bin 11 is located above the filter press bin 12, and the top of the filter press bin 12 is open, forming a discharge port of the filter press bin 12. After the sludge enters from the feed inlet, it is discharged from the discharge port, and further falls into the filter press bin 12 from the discharge port. The filter press bin 12 can reciprocate between the material distribution station and the filter press station. The filter press bin 12 is located at the material distribution station, and the material distribution operation is performed on the sludge through the material distribution mechanism 1. The filter press bin 12 is located at the filter press station, and the filter press mechanism 2 is used to perform filter press dehydration operation on the sludge.

[0036] The cloth stacking assembly 13 includes a reel 131 and a filter cloth 132. The reel 131 is rotatably connected to the storage bin 11. The filter cloth 132 is wound on the reel 131, and the free end of the filter cloth 132 passes through the discharge port and enters the filter press bin 12. Both the sludge and the filter cloth 132 can enter the filter press bin 12 from the discharge port. It can be understood that the filter cloth 132 is located at the bottom of the discharge port and can receive the sludge falling from the top of the discharge port. When the reel 131 rotates, the reel 131 can unwind or rewind the filter cloth 132. For example, the reel 131 rotates clockwise to unwind the filter cloth 132, and the reel 131 rotates counterclockwise to rewind the filter cloth 132. The rotation of the reel 131 can be manually operated by an operator, or the reel 131 can be driven to rotate by a driving member to drive the filter cloth 132 to unwind or rewind.

[0037] The shape of the filter press bin 12 is not specifically limited. For example, the filter press bin 12 is a square body. The two opposite ends of the filter press bin 12 are defined along the length direction of the filter press bin 12 as the first end of the filter press bin 12 and the second end of the filter press bin 12, respectively. The first direction is consistent with the length direction. The first driving member 14 is connected to the storage bin 11, and the first driving member 14 can drive the storage bin 11 to reciprocate along the first direction directly above the filter press bin 12. It can be understood that when the sludge falls into the filter press bin 12 from the discharge port, the reel 131 rotates to unwind the filter cloth 132, and the storage bin 11 moves from the first end of the filter press bin 12 to the second end of the filter press bin 12. The filter cloth 132 is fully covered in a layer in the filter press bin 12. At the same time, the sludge falls from the discharge port onto the filter cloth layer laid in the filter press bin 12, so that a layer of filter cloth is fully covered with a layer of sludge. Afterwards, the storage bin 11 moves from the second end of the filter press bin 12 to the first end of the filter press bin 12, and the filter cloth 132 continues to be spread in the filter press bin 12, and the next sludge layer is spread on the next filter cloth layer.

[0038] Thus, with the reciprocating movement of the storage bin 11 and the rotation of the reel 131, the filter cloth 132 is folded back and forth in the pressure filtration bin 12, and the sludge is scattered layer by layer from the feeding port onto the filter cloth layer. Thus, a sludge block to be pressure-filtered and dewatered is formed by the alternating stacking of one layer of filter cloth and one layer of sludge. After the sludge block covers the entire pressure filtration bin 12, the pressure filtration bin 12 is moved to the pressure filtration station. Through the reciprocating movement of the storage bin 11 and the rotation of the reel 131, the sludge feeding operation is completed, and the feeding efficiency is high.

[0039] The pressure filtration mechanism 2 includes a second driving member 22 and a pressure filtration unit 21. The second driving member 22 can drive the pressure filtration unit 21 to reciprocate in the second direction, and the second direction is the vertical direction. The pressure filtration unit 21 can be a pressing plate. The pressure filtration bin 12 is moved to directly below the pressure filtration unit 21, and the second driving member 22 drives the pressure filtration unit 21 to move downward in the vertical direction until it contacts the sludge block and then continues to press down, squeezing out the water in the sludge block to form a sludge cake with a lower water content. The sludge cake is also the dried sludge with a water content of about 60%. The sludge cake is further transported to the next station for subsequent sludge discharging treatment to separate the dried sludge from the filter cloth 132, and further fill, incinerate or recycle it. The number of squeezing times of the pressure filtration unit 21 is set according to requirements. When the water content of the sludge is relatively high, the number of squeezing times can be increased to make the water content of the pressure-filtered and dewatered sludge reach the target water content.

[0040] The transfer mechanism 3 includes a third driving member 31. The driving end of the third driving member 31 is connected to the pressure filtration bin 12 to move the pressure filtration bin 12 to the feeding station for the feeding operation of the filter cloth 132 and the sludge, or to move the pressure filtration bin 12 to the pressure filtration station for the pressure filtration and dewatering operation of the sludge block, which is beneficial to efficiently and quickly realize the feeding operation or the pressure filtration and dewatering operation.

[0041] The first driving member 14 can be a cylinder, a hydraulic cylinder or an electric push rod, etc., as long as it can drive the storage bin 11 to reciprocate in the first direction; the second driving member 22 can also be a cylinder, a hydraulic cylinder or an electric push rod, etc., as long as it can drive the pressure filtration unit 21 to reciprocate in the second direction; the third driving member 31 can also be a cylinder, a hydraulic cylinder or an electric push rod, etc., as long as it can drive the pressure filtration bin 12 to reciprocate between the storage bin 11 and the pressure filtration unit 21.

[0042] In an embodiment of the present invention, a first driving member 14 drives a storage bin 11 to reciprocate above a pressure filtration bin 12. The rotation of a winding shaft 131 can unwind a filter cloth 132. Through the reciprocating movement of the storage bin 11 and the unwinding of the filter cloth 132, sludge falling into the pressure filtration bin 12 and the filter cloth 132 entering the pressure filtration bin 12 form interleaved and stacked sludge blocks. A second driving member 22 can drive a pressure filtration unit 21 to perform pressure filtration and dehydration on the sludge blocks. A transfer mechanism 3 drives the pressure filtration bin 12 to move to a cloth feeding station for cloth feeding operations or move to a pressure filtration station for pressure filtration and dehydration operations, which is beneficial to improving the pressure filtration efficiency of sludge treatment.

[0043] As Figure 1 shown, in an alternative embodiment, the storage bin 11 includes a support base 111, a feed hopper 112, and a guide plate 113. An outlet is provided on one side of the support base 111. The guide plate 113 is inclined at the outlet. The top of the support base 111 is open, and the feed hopper 112 is provided at the opening. The bottom of the feed hopper 112 is communicated with the guide plate 113 through a guide groove.

[0044] Specifically, the storage bin 11 includes a support base 111 and a feed hopper 112, and the support base 111 and the feed hopper 112 are arranged in sequence along the height direction. The support base 111 is a frame structure. For example, the support base 111 is a square frame. An opening is provided on the top plate of the support base 111. The support base 111 has two first side plates arranged at intervals relative to each other and two second side plates arranged at intervals relative to each other. An outlet is provided on one of the first side plates close to the pressure filtration bin 12, and the size of the outlet is set according to requirements. The winding shaft 131 passes through the two second side plates in sequence, and the winding shaft 131 is rotatably connected to the two second side plates. The winding shaft 131 can rotate around its own axis.

[0045] The feed hopper 112 is conical. The small end of the feed hopper 112 is placed at the opening of the top plate of the support base 111, and the large end of the feed hopper 112 constitutes a feed inlet for sludge. A guide groove is formed at the small end of the feed hopper 112. The guide groove is arranged at a certain inclination angle with the horizontal plane. A guide plate 113 is provided on the first side plate where the outlet is located. The guide plate 113 extends from the outlet towards the outside of the first side plate. The length of the guide plate 113 is set according to requirements. The guide plate 113 is arranged at a certain inclination angle with the horizontal plane. The guide groove is communicated with the guide plate 113. Along the height direction, the guide plate 113 is located above the filter cloth 132. The sludge in the feed hopper 112 slides from the guide groove to the edge of the guide plate 113 and further slides from the edge of the guide plate 113 to the filter cloth 132 below the guide plate 113.

[0046] The sludge enters through the feed inlet at the large end of the feed hopper 112, flows through the guide chute at the small end of the feed hopper 112, and further slides down from the edge of the deflector 113 to the filter cloth 132 below the deflector 113. With the reciprocating movement of the support base 111 and the feed hopper 112 in the first direction and the unwinding of the filter cloth 132, when the filter cloth 132 folds into one layer in the pressure filtration chamber 12, a layer of sludge is evenly distributed on the filter cloth 132 layer, thereby realizing the uniform cloth feeding operation of the sludge and facilitating the guarantee of the pressure filtration effect.

[0047] In the embodiment of the present invention, the feed hopper 112 is arranged on the top of the support base 111. An outlet is provided on the side plate of the support base 111 facing the pressure filtration chamber 12. A deflector 113 is inclined at the outlet. The bottom end of the feed hopper 112 is communicated with the deflector 113 through a guide chute. The sludge slides from the deflector 113 to the filter cloth 132, which is beneficial to the uniform cloth feeding of the sludge and also beneficial to improving the pressure filtration effect.

[0048] In an alternative embodiment, the cloth folding assembly 13 further includes a fourth driving member; two winding shafts 131 are arranged on the support base 111 at intervals in the first direction, and the filter cloth 132 is wound around the two winding shafts 131. The fourth driving member is used to drive the two winding shafts 131 to rotate to unwind or wind the filter cloth 132.

[0049] Specifically, the two winding shafts 131 are arranged at intervals in the first direction, and the axes of the two winding shafts 131 are located on the same horizontal plane. One winding shaft 131 is a winding shaft, and one is a traction shaft. The traction shaft is arranged close to the outlet to introduce the filter cloth 132 into the pressure filtration chamber 12. The fourth driving member is rotationally connected to the winding shaft. The fourth driving member can be a motor, and the motor can drive the winding shaft to rotate forward or backward to unwind or wind the filter cloth 132. The two winding shafts 131 rotate in the same direction.

[0050] The rotation speed of the motor is adapted to the speed of the first driving member 14 driving the storage bin 11 to move in the first direction. For example, when the motor drives the winding shaft 131 to rotate forward, the first driving member 14 drives the storage bin 11 to move from one end of the pressure filtration chamber 12 to the other end above the pressure filtration chamber 12. The moving distance of the storage bin 11 is equal to the length dimension of the pressure filtration chamber 12, and the unwinding length of the filter cloth 132 is equal to the length dimension of the pressure filtration chamber 12, so that the sludge and the filter cloth 132 can be staggered and laminated to fill the pressure filtration chamber 12.

[0051] Furthermore, an observation port is provided on the second side plate. Through the observation port, the winding condition of the filter cloth 132 on the two winding shafts 131 can be observed, and whether the filter cloth 132 is in a flat state can be observed. When the filter cloth 132 is wrinkled or uneven, the filter cloth 132 is adjusted in time so that the sludge can be evenly distributed on the filter cloth 132 in the pressure filtration chamber 12, and the sludge layer and the filter cloth layer form a uniform staggered laminated structure.

[0052] In an embodiment of the present invention, two reels 131 are arranged on the support base 111 at intervals in a first direction, and a fourth driving member drives the reels 131 to rotate forward or backward to unwind or wind the filter cloth 132, which is beneficial to the uniform distribution of sludge on the filter cloth 132 and beneficial to improving the cloth distribution efficiency.

[0053] As Figure 1 shown, in an alternative embodiment, the sludge filter press device further includes an aggregate bin 4; the top end of the aggregate bin 4 is attached to the bottom end of the support base 111, and the aggregate bin 4 is communicated with the support base 111; the fourth driving member can drive the two reels 131 to rotate to wind the filter cloth 132, and the dried sludge on the filter cloth 132 can fall into the aggregate bin 4.

[0054] Specifically, the aggregate bin 4 can also be a square frame structure. The top plate of the aggregate bin 4 is attached to the bottom plate of the support base 111, and the height of the aggregate bin 4 is not lower than the height of the filter press chamber 12. The top plate of the aggregate bin 4 is communicated with the bottom plate of the support base 111. For example, the bottom plate of the support base 111 is provided with a first opening, and the top plate of the aggregate bin 4 is provided with a second opening, and the second opening is slightly larger than the first opening. The dried sludge after filter press dehydration on the filter cloth 132 can fall into the aggregate bin 4 through the first opening and the second opening.

[0055] At the cloth distribution station of the filter press chamber 12, the first driving member 14 drives the storage bin 11 to reciprocate in the first direction and the fourth driving member drives the reel 131 to rotate to unwind the filter cloth 132 to complete the cloth distribution operation of the sludge; then the filter press chamber 12 moves to the filter press dehydration station, and the second driving member 22 drives the filter press unit 21 to perform a filter press dehydration operation on the sludge block in the filter press chamber 12, so that the sludge block with a high water content is transformed into a sludge cake with a low water content after filter press dehydration; then the first driving member 14 drives the filter press chamber 12 to move to a position where it is attached to the aggregate bin 4. The fourth driving member drives the reel 131 to rotate in the reverse direction to perform a winding operation on the sludge cake in the filter press chamber 12. During the winding process of the filter cloth 132, the dried sludge on the filter cloth 132 falls into the aggregate bin 4 under the action of gravity. Further, during the winding process of the filter cloth 132, the filter cloth 132 between the two reels 131 is continuously shaken so that the dried sludge on the filter cloth 132 can fully fall into the aggregate bin 4 for subsequent collection and treatment.

[0056] Thus, the cloth distribution of the sludge, the filter press dehydration of the sludge block, and the unloading operation of the dried sludge are completed in one cycle operation, realizing the continuous treatment operation of the sludge, which is beneficial to improving the treatment efficiency of the sludge. At the same time, the filter cloth 132 can be recycled, which is beneficial to reducing the treatment cost of the sludge.

[0057] In an alternative embodiment, the sludge filter press device further includes a water collection bin. The filter press chamber 12 is provided with a liquid outlet, and the liquid outlet is communicated with the water collection bin through a conveying pipeline.

[0058] Specifically, the water collecting bin is arranged close to the pressure filtration station. The pressure filtration bin 12 is provided with a liquid outlet, and the liquid outlet is communicated with the water collecting bin through a conveying pipeline. When the pressure filtration bin 12 moves to the pressure filtration and dehydration station, the second driving member 22 drives the pressure filtration unit 21 to move in the vertical direction, squeezing the sludge block in the pressure filtration bin 12 to discharge the water in the sludge block. The water flows into the water collecting bin along the liquid outlet through the conveying pipeline, and the water in the water collecting bin can be further purified and recycled.

[0059] As Figure 1 shown, in an alternative embodiment, the sludge pressure filtration device further includes a base 5, and the cloth feeding mechanism 1, the pressure filtration mechanism 2 and the transfer mechanism 3 are sequentially arranged on the base 5.

[0060] Specifically, the cloth feeding mechanism 1, the pressure filtration mechanism 2 and the moving mechanism are all installed on the base 5, which is beneficial to the compactness of the overall structure of the sludge pressure filtration device. Further, the bottom of the base 5 is provided with traveling wheels, which is convenient for moving the sludge pressure filtration device to treat the sludge in different working areas, and is beneficial to the flexibility of the sludge pressure filtration device in working.

[0061] As Figure 1 shown, in an alternative embodiment, the cloth feeding mechanism 1 further includes a first support plate 15, and the transfer mechanism 3 further includes a second support plate 32; the first support plate 15 and the second support plate 32 are arranged at intervals along the extending direction of the base 5; the fixed end of the first driving member 14 is connected to the first support plate 15, and the driving end of the first driving member 14 is connected to the storage bin 11; the fixed end of the third driving member 31 is connected to the second support plate 32, and the driving end of the third driving member 31 is connected to the pressure filtration bin 12.

[0062] Specifically, the first support plate 15 and the second support plate 32 are arranged at intervals along the extending direction of the base 5, the first support plate 15 and the second support plate 32 are arranged in parallel, and the aggregate bin 4, the storage bin 11, the pressure filtration bin 12 and the pressure filtration mechanism 2 are located between the first support plate 15 and the second support plate 32.

[0063] The aggregate bin 4 is fixedly arranged on the base 5. The storage bin 11 includes a support seat 111 and a feed hopper 112. The support seat 111 is movably arranged above the aggregate bin 4, the feed hopper 112 is installed above the support seat 111, the pressure filtration bin 12 is movably arranged on the base 5, and the pressure filtration mechanism 2 is arranged close to the second support plate 32.

[0064] The fixed end of the first driving member 14 is connected to the first support plate 15, and the driving end of the first driving member 14 is connected to a first side plate of the support seat 111. The first driving member 14 can drive the storage bin 11 to reciprocate above the pressure filtration bin 12 to realize the cloth feeding operation of the sludge.

[0065] Furthermore, a sliding structure is provided between the bottom surface of the support base 111 and the top surface of the aggregate bin 4. For example, sliders are provided on the bottom plate of the support base 111, and chutes are provided on the top plate of the aggregate bin 4. The sliders can slide along the chutes, which is beneficial to the smooth movement of the support base 111 and the feed hopper 112.

[0066] The fixed end of the third driving member 31 is connected to the second support plate 32, and the driving end of the third driving member 31 is connected to a side plate of the filter press chamber 12 facing away from the aggregate bin 4. The third driving member 31 drives the filter press chamber 12 to reciprocate through extending or retracting actions. For example, through the extending action, the third driving member 31 drives the filter press chamber 12 to move along the first direction to a position where it fits with the aggregate bin 4 for sludge feeding operation or discharged sludge unloading operation; through the retracting action, the third driving member 31 drives the filter press chamber 12 to move along the first direction to directly below the filter press unit 21 for sludge block filter pressing and dewatering operation, achieving efficient treatment of sludge.

[0067] Furthermore, a sliding structure is provided between the bottom surface of the filter press chamber 12 and the top surface of the base 5. For example, sliders are provided on the bottom surface of the filter press chamber 12, and chutes are provided on the top surface of the base 5. The sliders can slide along the chutes, which is beneficial to the smooth movement of the filter press chamber 12.

[0068] In the embodiment of the present invention, the first support plate 15 and the second support plate 32 are arranged at intervals along the extending direction of the base 5. The aggregate bin 4, the filter press chamber 12, and the filter press mechanism 2 are sequentially arranged on the base 5, and the storage bin 11 is movably arranged on the aggregate bin 4. Through the driving of the first driving member 14, the second driving member 22, and the third driving member 31, efficient treatment of sludge is achieved.

[0069] As Figure 1 shown, in an alternative embodiment, the filter press mechanism 2 further includes a support frame 23; the support frame 23 is arranged between the first support plate 15 and the second support plate 32. The support frame 23 includes a support beam and a top plate. Two support beams are arranged at intervals on the base 5, and the top of the support beam is connected to the top plate. The fixed end of the second driving member 22 is connected to the top plate, and the driving end of the second driving member 22 is connected to the filter press unit 21.

[0070] Specifically, the support frame 23 is located between the first support plate 15 and the second support plate 32. The support plate includes a support beam and a top plate. Two support beams are arranged at intervals on the base 5, and the top of the support beam is connected to the top plate. The support beam can be made of steel plates or formed by splicing section steels. The area between the two support beams constitutes the working area of the filter press unit 21. The fixed end of the second driving member 22 is connected to the top plate, and the driving end of the second driving member 22 is connected to the filter press unit 21. The filter press unit 21 is a pressing plate. It can be understood that the distance between the two support beams is adapted to the width dimension of the filter press chamber 12.

[0071] The sludge completes the cloth feeding operation. The third driving member 31 drives the pressure filter chamber 12 to move along the first direction to directly below the pressure filtering unit 21 through a retracting action. At this time, the pressure filter chamber 12 is located between the two support beams. The second driving member 22 drives the pressure filtering unit 21 to reciprocate in the vertical direction to perform pressure filtration and dehydration on the sludge blocks in the pressure filter chamber 12. After completing the pressure filtration and dehydration operation, the third driving member 31 drives the pressure filter chamber 12 to move from between the two support beams to fit with the aggregate bin 4 through an extending action.

[0072] The support frame 23 is used to support the second driving member 22 and the pressure filtering unit 21. At the same time, the pressure filter chamber 12 can move along the first direction to the area between the two support beams to perform pressure filtration and dehydration operations, or move from the area between the two support beams to the aggregate bin 4 to perform the operation of discharging dried sludge. The overall structure is compact, which is beneficial to the efficient reciprocating operation of the pressure filter chamber 12.

[0073] In an alternative embodiment, the distance between the two support beams is adapted to the pressure filter chamber 12.

[0074] Specifically, the two support beams are arranged at intervals along the width direction of the base 5. The span between the two support beams is adapted to the width of the pressure filter chamber 12. The pressure filter chamber 12 can smoothly move to directly below the pressure filtering unit 21, or move from the two support beams to near the aggregate bin 4. The overall structure is compact, reducing the occupied space, which is beneficial to the miniaturization of the sludge pressure filtering device.

[0075] In an alternative embodiment, the sludge pressure filtering device further includes a controller; the first driving member 14, the second driving member 22, and the third driving member 31 are all connected to the controller, and the controller is used to control the coordinated operation of the first driving member 14, the second driving member 22, and the third driving member 31.

[0076] Specifically, the first driving member 14, the second driving member 22, and the third driving member 31 are all connected to the controller, and the fourth driving member is also connected to the controller.

[0077] When performing the cloth feeding operation, the controller controls the first driving member 14 and the fourth driving member to be in the working state at the same time. After the sludge enters from the feeding port of the feeding hopper 112, the first driving member 14 drives the support seat 111 to reciprocate along the first direction above the pressure filter chamber 12, and the fourth driving member drives the reel 131 to rotate forward to unwind the filter cloth 132. The filter cloth 132 can be folded back and forth in the pressure filter chamber 12, and the sludge slides down from the guide plate 113 to the filter cloth 132 located in the pressure filter chamber 12, and the sludge layer and the filter cloth layer form an interleaved and laminated sludge block.

[0078] After the cloth feeding operation is completed, the controller controls the third driving member 31 to be in the working state. The third driving member 31 drives the pressure filtration bin 12 to move to directly below the pressure filtration unit 21. Then the controller controls the second driving member 22 to be in the working state. The second driving member 22 drives the pressure filtration unit 21 to reciprocate in the second direction to perform pressure filtration and dehydration on the sludge blocks, turning the sludge blocks into sludge cakes, thereby completing the pressure filtration and dehydration operation.

[0079] After the pressure filtration and dehydration operation is completed, the third driving member 31 drives the pressure filtration bin 12 to move to the aggregate bin 4. The controller controls the fourth driving member to be in the working state. The fourth driving member drives the reel 131 to reverse to wind up the filter cloth 132. During the winding process, through shaking, the dried sludge on the filter cloth 132 between the two reels 131 falls into the aggregate bin 4, thereby completing the discharging operation of the dried sludge.

[0080] The first driving member 14, the second driving member 22, the third driving member 31, and the fourth driving member are all connected to the controller. Through the collaborative operation of the controller and multiple driving members, the cloth feeding operation of the sludge, the pressure filtration and dehydration operation of the sludge blocks, and the discharging operation of the dried sludge are completed, realizing intelligent operation, which is beneficial to improving the treatment efficiency of the sludge. Compared with drying the sludge, it is beneficial to save energy consumption.

[0081] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sludge pressure filtration device, characterized in that, Comprising: A cloth feeding mechanism, a pressure filtration mechanism, and a transfer mechanism; The cloth feeding mechanism includes a storage bin, a pressure filtration bin, a cloth stacking assembly, and a first driving member. The pressure filtration bin and the storage bin are arranged in sequence along the height direction. The side wall of the storage bin is provided with a discharge port, and the pressure filtration bin is provided with a blanking port. Sludge can fall from the discharge port into the pressure filtration bin. The cloth stacking assembly includes a reel and a filter cloth. The reel is rotatably connected to the storage bin, the filter cloth is wound around the reel, the filter cloth is located at the bottom of the discharge port, and the free end of the filter cloth is located in the pressure filtration bin for receiving the sludge falling from the top of the discharge port; The first driving member is used to drive the storage bin to reciprocate in a first direction so that the filter cloth can be reciprocally folded in the pressure filtration bin, and the filter cloth and the sludge falling from the discharge port into the pressure filtration bin are alternately stacked to form sludge blocks; The pressure filtration mechanism includes a second driving member and a pressure filtration unit. The second driving member is used to drive the pressure filtration unit to reciprocate in a second direction to perform pressure filtration and dehydration on the sludge blocks. Wherein, the first direction and the second direction are perpendicular to each other; The transfer mechanism includes a third driving member, and the third driving member is used to move the pressure filtration bin to a cloth feeding station or a pressure filtration station; The storage bin includes a support base, a feed hopper, and a guide plate. The discharge port is provided on one side of the support base, and the guide plate is obliquely arranged at the discharge port. The top of the support base is open, the feed hopper is arranged at the open part, and the bottom of the feed hopper is communicated with the guide plate through a guide groove.

2. The sludge pressure filtration device according to claim 1, wherein The cloth stacking assembly further includes a fourth driving member; The two reels are arranged on the support base at intervals along the first direction, the filter cloth is wound on the two reels, and the fourth driving member is used to drive the two reels to rotate to unwind or wind the filter cloth.

3. The sludge pressure filtration device according to claim 2, characterized in that, The sludge pressure filtration device further includes an aggregate bin; The top end of the aggregate bin is attached to the bottom end of the support base and is communicated with the support base. The fourth driving member can drive the two reels to rotate to wind the filter cloth, and the dried sludge on the filter cloth can fall into the aggregate bin.

4. The sludge pressure filtration device according to claim 1, characterized in that, The sludge pressure filtration device further includes a water collection bin. The pressure filtration bin is provided with a liquid outlet, and the liquid outlet is communicated with the water collection bin through a conveying pipeline.

5. The sludge pressure filtration device according to claim 1, characterized in that, The sludge pressure filtration device further includes a base, and the cloth feeding mechanism, the pressure filtration mechanism, and the transfer mechanism are sequentially arranged on the base.

6. The sludge pressure filtration device according to claim 5, characterized in that, The cloth feeding mechanism further includes a first support plate, and the transfer mechanism further includes a second support plate; The first support plate and the second support plate are arranged at intervals along the extending direction of the base. The fixed end of the first driving member is connected to the first support plate, and the driving end of the first driving member is connected to the storage bin. The fixed end of the third driving member is connected to the second support plate, and the driving end of the third driving member is connected to the pressure filtration bin.

7. The sludge pressure filtration device according to claim 6, characterized in that, The pressure filtration mechanism further includes a support frame; The support frame is arranged between the first support plate and the second support plate. The support frame includes support beams and a top plate. The two support beams are arranged on the base at intervals. The top of the support beam is connected to the top plate. The fixed end of the second driving member is connected to the top plate, and the driving end of the second driving member is connected to the pressure filtration unit.

8. The sludge pressure filtration device according to claim 7, characterized in that, The distance between the two support beams is adapted to the pressure filtration bin.

9. The sludge pressure filtration device according to any one of claims 1 to 8, characterized in that, The sludge pressure filtration device further includes a controller; The first driving member, the second driving member, and the third driving member are all connected to the controller, and the controller is used to control the first driving member, the second driving member, and the third driving member to cooperate.

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