Plate and frame type filter pressing device for sludge dewatering

Abstract

The utility model belongs to the field of sludge dewatering, and particularly relates to a plate and frame type filter pressing device for sludge dewatering, which comprises a filter pressing box, the top end of the filter pressing box is fixedly connected with a hydraulic telescopic rod, the front end of the filter pressing box is fixedly connected with a feed pipe, and the left end of the filter pressing box is fixedly connected with a drain pipe. The output end of the hydraulic telescopic rod is fixedly connected with the top end of a filter pressing plate, and a dismounting assembly is arranged at the left end of the filter pressing box. The dismounting assembly comprises a first pulling plate; through the structural design of the dismounting assembly, the function of dismounting and cleaning the filter plate is achieved, and the problems that when the filter pressing device is used for extruding and dewatering sludge, the filter plate needs to be used for extruding, filtering and dewatering the sludge, and after the filter plate is used for a period of time, filter screen holes in the filter plate can be blocked by the sludge, so that the sludge cannot be extruded and dewatered are solved. If the filter plate is dismounted and cleaned irregularly, the dewatering effect of the filter plate on the sludge is influenced.

Description

Technical Field

[0001] The utility model relates to the field of sludge dehydration, in particular to a plate-frame filter press device for sludge dehydration. Background Art

[0002] Sludge is a solid sediment produced by the water and sewage treatment process. Sludge is the product of sewage treatment. It is an extremely complex inhomogeneous body composed of organic debris, bacterial cells, inorganic particles, colloids, etc. Most of the existing sludge needs to be dehydrated before treatment. The sludge can be dehydrated by using a filter press, so that the sludge can be better treated.

[0003] The existing plate and frame filter press device for sludge dewatering can specifically refer to the Chinese utility model patent with application number CN201921671667.9, which specifically discloses a plate and frame filter press type sludge dewatering device, including a filter press box, a feed pipe, a drain pipe, a filter frame, a filter plate, a left connecting plate and a right connecting plate; it also includes a left clamping block, a right clamping block, a support plate, a movable plate, a left fixed plate, a right fixed plate, a first support plate, a second support plate, a third support plate, a fourth support plate, a left motor, a right motor, a left fixed shaft, a right fixed shaft, a left gear, a right gear, a left connecting shaft, a right connecting shaft, a control device, a plug plate, a connecting plate and multiple sets of screws. The plate and frame filter press type sludge dewatering device of the utility model can save labor and improve work efficiency.

[0004] The above-mentioned plate and frame filter press type sludge dewatering device lacks a component for disassembling the filter plate. When the sludge dewatering device is used to dewater the sludge, the sludge is squeezed and filtered through the filter plate. After the filter plate has been used for a period of time, the filter mesh holes inside the filter plate will be blocked by the sludge. If the filter plate is not disassembled and cleaned regularly, the dewatering effect of the filter plate on the sludge will be affected. Therefore, in view of the above-mentioned problem, a plate and frame filter press device for sludge dewatering is proposed. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the plate and frame filter press sludge dewatering device in the prior art lacks a component for disassembling the filter plate. When the sludge dewatering device is used to dewater the sludge, the sludge is squeezed and filtered through the filter plate. After the filter plate has been used for a period of time, the filter mesh holes inside the filter plate will be blocked by the sludge. If the filter plate is not disassembled and cleaned regularly, the dewatering effect of the filter plate on the sludge will be affected. The utility model proposes a plate and frame filter press device for sludge dewatering.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a plate-frame filter press device for sludge dehydration described in the utility model comprises a filter press box, the top of the filter press box is fixedly connected to a hydraulic telescopic rod, the front end of the filter press box is fixedly connected to a feed pipe, the left end of the filter press box is fixedly connected to a drain pipe, the output end of the hydraulic telescopic rod is fixedly connected to the top of a filter press plate, and a disassembly component is provided at the left end of the filter press box;

[0007] The disassembly assembly includes a first pull plate, which is arranged at the left end of the filter press box, and the first pull plate is fixedly connected to the top end of the first connecting member, the bottom end of the first connecting member abuts against the top end of the first connecting plate, and the first connecting member is fixedly connected to the first abutting member, the first abutting member is sleeved on the outside of the first clamping rod, and the bottom end of the first abutting member abuts against the top end of the circular abutting plate, the first connecting member is fixedly connected to one end of the first spring, and the other end of the first spring is fixedly connected to the spring connecting plate, and cleaning assemblies are arranged on both sides of the filter press box.

[0008] Preferably, the cleaning assembly includes a second baffle, which is arranged at the rear end of the filter press box and penetrates the rear end of the filter press box, abuts against the rear end of the filter press box, and the top of the second baffle is fixedly connected to the first connecting piece, the front end of the filter press box is penetrated by the first cleaning plate, and the first cleaning plate is fixedly connected to the first push rod, the first cleaning plate is fixedly connected to the first baffle, the first baffle abuts against the front end inner wall of the filter press box, and the bottom end of the first cleaning plate abuts against the top end of the first filter plate.

[0009] Preferably, the circular abutment plate abuts against the top end of the first connecting plate, the circular abutment plate is sleeved on the outside of the first clamping rod, and the circular abutment plate is fixedly connected to the first clamping rod, the first clamping rod passes through the first connecting plate, and the first clamping rod also passes through the left end of the first filter plate, and the left end of the first filter plate is fixedly connected to the first pull ring.

[0010] Preferably, the bottom end of the second baffle abuts against the top end of the first collecting box, the first collecting box abuts against the rear end of the filter press box, the bottom end of the first collecting box abuts against the top end of a collecting box placement plate, the collecting box placement plate is fixedly connected to the rear end of the filter press box, and the top end of the collecting box placement plate is provided with anti-slip grooves, the inside of the first connecting piece is provided with threaded holes, and the rear end of the filter press box is also provided with threaded holes corresponding to the inside of the first connecting piece.

[0011] Preferably, the bottom end of the spring connecting plate is fixedly connected to the top end of the first connecting plate, and the first connecting plate is fixedly connected to the left end of the filter press box.

[0012] Preferably, the first filter plate passes through the left end of the filter press box, and the right end of the first filter plate passes through the inner wall of the right end of the filter press box, and the right end of the first filter plate abuts against the right end of the filter press box.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the function of disassembling and cleaning the filter plate through the structural design of the disassembly component, and solves the problem that when using the filter press device to squeeze and dehydrate the sludge, the sludge needs to be squeezed and filtered through the filter plate to dehydrate the sludge. After the filter plate has been used for a period of time, the filter mesh inside the filter plate will be blocked by the sludge. If the filter plate is not disassembled and cleaned regularly, the dehydration effect of the filter plate on the sludge will be affected;

[0015] 2. The utility model realizes the function of cleaning the sludge on the filter plate after dehydration through the structural design of the cleaning component. The sludge can be effectively dehydrated by using the filter press device. The sludge left on the filter plate after dehydration will affect the next dehydration of the sludge if the sludge on the filter plate is not processed. The sludge on the filter plate after dehydration can be conveniently cleaned through the cleaning component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a schematic diagram of the first partial three-dimensional structure of the utility model;

[0021] Figure 5 It is a schematic diagram of a second partial three-dimensional structure of the utility model.

[0022] In the figure: 1. filter press box; 2. hydraulic telescopic rod; 3. feed pipe; 4. drain pipe; 5. filter press plate; 40. first pull plate; 41. first connecting member; 42. first abutment member; 43. first spring; 44. spring connecting plate; 45. first engaging rod; 46. circular abutment plate; 47. first connecting plate; 48. first filter plate; 49. first pull ring; 60. first push rod; 61. first cleaning plate; 62. first baffle plate; 63. first connecting piece; 64. second baffle plate; 65. first collecting box; 66. collecting box placement plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 As shown, a plate-and-frame filter press device for sludge dehydration comprises a filter press box 1, the top of the filter press box 1 is welded to a hydraulic telescopic rod 2, the front end of the filter press box 1 is connected to a feed pipe 3 by an adhesive, the left end of the filter press box 1 is connected to a drain pipe 4 by an adhesive, the output end of the hydraulic telescopic rod 2 is welded to the top of a filter press plate 5, and a disassembly component is provided at the left end of the filter press box 1;

[0025] The disassembly assembly includes a first pull plate 40, which is arranged at the left end of the filter press box 1, and the first pull plate 40 is welded to the top of the first connecting member 41, the first pull plate 40 is designed in a rectangular shape, the bottom end of the first connecting member 41 abuts against the top of the first connecting plate 47, and the first connecting member 41 is welded to the first abutting member 42, a cylindrical hole adapted to the first clamping rod 45 is provided inside the first abutting member 42, the first abutting member 42 is sleeved on the outside of the first clamping rod 45, and the bottom end of the first abutting member 42 abuts against the top of the circular abutting plate 46, the first connecting member 41 is connected to one end of the first spring 43 by an adhesive, and the other end of the first spring 43 is connected to the spring connecting plate 44 by an adhesive, the spring connecting plate 44 is designed in a rectangular shape, and cleaning assemblies are arranged on both sides of the filter press box 1;

[0026] During operation, when the first filter plate 48 is disassembled and cleaned, the first pull plate 40 is pulled backward, the bottom end of the first pull plate 40 is fixedly connected to the top end of the first connecting member 41, the bottom end of the first connecting member 41 abuts against the top end of the first connecting plate 47, and then the first connecting member 41 is driven to move backward at the top end of the first connecting plate 47, the first connecting member 41 is connected to the first abutting member 42, and then the first abutting member 42 is driven to move backward on the top end of the circular abutting plate 46, and then the first connecting member 41 squeezes the first spring 43 backward, and then the first spring 43 contracts toward the spring connecting plate 44, and then The first abutment member 42 moves backward to no longer be sleeved on the outside of the first locking rod 45, and the sludge to be dehydrated is added to the top of the first filter plate 48 through the feed pipe 3. After the addition is completed, the hydraulic telescopic rod 2 is started, and the output end of the hydraulic telescopic rod 2 is fixedly connected to the filter press plate 5, which then drives the filter press plate 5 to move downward. The sludge can be squeezed by the filter press plate 5, so that the sludge inside the sludge passes through the first filter plate 48 and flows into the interior of the filter press box 1, thereby completing the dehydration of the sludge. By turning the valve on the drain pipe 4, the sewage inside the filter press box 1 can be discharged.

[0027] Further, the cleaning assembly includes a second baffle 64, which is arranged at the rear end of the filter press box 1, and the second baffle 64 passes through the rear end of the filter press box 1, the second baffle 64 abuts against the rear end of the filter press box 1, the top of the second baffle 64 is welded to the first connecting piece 63, the front end of the filter press box 1 is penetrated by the first cleaning plate 61, and the first cleaning plate 61 is welded to the first push rod 60, the first cleaning plate 61 is designed in a rectangular shape, the first cleaning plate 61 is welded to the first baffle 62, the first baffle 62 is designed in a rectangular shape, the first baffle 62 abuts against the front end inner wall of the filter press box 1, and the bottom end of the first cleaning plate 61 abuts against the top of the first filter plate 48;

[0028] During operation, a threaded hole is provided inside the first connecting piece 63, and a threaded hole that coincides with the inside of the first connecting piece 63 is also provided at the rear end of the filter press box 1. The first connecting piece 63 can be fixed to the rear end of the filter press box 1 by using bolts. The first connecting piece 63 is fixedly connected to the second baffle plate 64, so that the second baffle plate 64 abuts against the rear end of the filter press box 1. When cleaning the sludge, the bolts are rotated so that the bolts and the first connecting piece 63 are no longer connected, and then the second baffle plate 64 is pulled backward to pull the second baffle plate 64 out of the rear end of the filter press box 1, and then the first push rod 60 is pushed backward. The first push rod 60 is fixedly connected to the first cleaning plate 61, and then the first cleaning plate 61 is driven to move backward inside the filter press box 1. The bottom end of the first cleaning plate 61 abuts against the top end of the first filter plate 48, thereby causing the first cleaning plate 61 to move backward on the top end of the first filter plate 48. The first cleaning plate 61 is fixedly connected to the first baffle plate 62. The first baffle plate 62 can prevent the first cleaning plate 61 from being pulled too much and thus detached from the interior of the filter press box 1. The first cleaning plate 61 can effectively push the solid sludge remaining on the top end of the first filter plate 48, and then push the sludge backward into the interior of the first collecting box 65, thereby completing the cleaning of the sludge. When the sludge needs to be dehydrated for the next time, the second baffle plate 64 is re-abutted against the rear end of the filter press box 1, and then the first connecting plate 63 is re-fixed to the rear end of the filter press box 1 by turning the bolts.

[0029] Further, the circular abutment plate 46 abuts against the top end of the first connecting plate 47, the circular abutment plate 46 is sleeved on the outside of the first clamping rod 45, and the circular abutment plate 46 and the first clamping rod 45 are welded together, and a cylindrical hole matching the first clamping rod 45 is opened inside the circular abutment plate 46, the first clamping rod 45 passes through the first connecting plate 47, and the first clamping rod 45 also passes through the left end of the first filter plate 48, and the left end of the first filter plate 48 is connected to the first pull ring 49 by using an adhesive, and the first pull ring 49 is designed in a rectangular ring shape;

[0030] During operation, when the first abutment 42 moves backward to no longer be sleeved on the outside of the first locking rod 45, the first abutment 42 and the top end of the circular abutment plate 46 are no longer abutted, and then the first locking rod 45 is pulled upward, so that the first locking rod 45 passes through the first connecting plate 47 and the first filter plate 48 and moves upward, and the circular abutment plate 46 is fixedly connected to the first locking rod 45, which then drives the circular abutment plate 46 to move upward, so that the circular abutment plate 46 and the top end of the first connecting plate 47 are no longer abutted, and the abutment between the circular abutment plate 46 and the first abutment 42 can make the first locking rod 45 more stably inserted in the first The first filter plate 48 is connected to the first connecting plate 47 and the first filter plate 48, so that the first filter plate 48 can work more stably inside the filter press box 1, and then the first engaging rod 45 is completely pulled out of the first connecting plate 47 and the first filter plate 48, so that the first engaging rod 45 and the first filter plate 48 are no longer engaged, and then the pulling on the first pull plate 40 is released, that is, under the action of the restoring force of the first spring 43, the first connecting member 41 is restored to its original position, and then the first pull ring 49 is pulled to the left, the first pull ring 49 is fixedly connected to the first filter plate 48, and then the first filter plate 48 is driven to pass through the left end of the filter press box 1 and move to the left.

[0031] Furthermore, the bottom end of the second baffle 64 abuts against the top end of the first collecting box 65, the first collecting box 65 abuts against the rear end of the filter press box 1, the bottom end of the first collecting box 65 abuts against the top end of the collecting box placement plate 66, the collecting box placement plate 66 is welded to the rear end of the filter press box 1, the collecting box placement plate 66 is designed in a rectangular shape, and the top end of the collecting box placement plate 66 is provided with anti-slip patterns, the inside of the first connecting piece 63 is provided with threaded holes, and the rear end of the filter press box 1 is also provided with threaded holes corresponding to the inside of the first connecting piece 63;

[0032] During operation, a threaded hole is provided inside the first connecting piece 63, and a threaded hole that coincides with the inside of the first connecting piece 63 is also provided at the rear end of the filter press box 1. The first connecting piece 63 can be fixed to the rear end of the filter press box 1 by using bolts, and the first connecting piece 63 is fixedly connected to the second baffle plate 64, so that the second baffle plate 64 abuts against the rear end of the filter press box 1. When cleaning the sludge, the bolts are rotated so that the bolts and the first connecting piece 63 are no longer connected, and then the second baffle plate 64 is pulled backward to pull the second baffle plate 64 out of the rear end of the filter press box 1, and then the first push rod 60 is pushed backward, and the first push rod 60 is fixedly connected to the first cleaning plate 61, which then drives the first cleaning plate 61 inside the filter press box 1. The first cleaning plate 61 moves backward, and the bottom end of the first cleaning plate 61 abuts against the top end of the first filter plate 48, thereby making the first cleaning plate 61 move backward on the top end of the first filter plate 48. The first cleaning plate 61 is fixedly connected to the first baffle plate 62. The first baffle plate 62 can prevent the first cleaning plate 61 from being pulled too much and thus detached from the interior of the filter press box 1. The first cleaning plate 61 can effectively push the solid sludge remaining on the top end of the first filter plate 48, and then push the sludge backward into the interior of the first collecting box 65, thereby completing the cleaning of the sludge. The top end of the collecting box placing plate 66 is provided with an anti-slip groove, so that the first collecting box 65 can be more stably placed on the top end of the collecting box placing plate 66.

[0033] Furthermore, the bottom end of the spring connecting plate 44 is welded to the top end of the first connecting plate 47, the first connecting plate 47 is designed in an L shape, and the first connecting plate 47 is welded to the left end of the filter press box 1;

[0034] During operation, the bottom end of the spring connecting plate 44 is fixedly connected to the top end of the first connecting plate 47 , the first connecting plate 47 is fixedly connected to the left end of the filter press box 1 , and the spring connecting plate 44 is connected to the left end of the filter press box 1 through the first connecting plate 47 .

[0035] Furthermore, the first filter plate 48 passes through the left end of the filter press box 1, and the right end of the first filter plate 48 passes through the inner wall of the right end of the filter press box 1, and the right end of the first filter plate 48 abuts against the right end of the filter press box 1;

[0036] During operation, after the first engaging rod 45 is completely separated from the left end of the first filter plate 48, the first pull ring 49 is pulled to the left, and the first pull ring 49 is fixedly connected to the first filter plate 48, thereby driving the first filter plate 48 to pass through the left end of the filter press box 1 and move to the left, and then the right end of the first filter plate 48 moves to the left on the inner wall of the right end of the filter press box 1. When the first filter plate 48 is completely separated from the interior of the filter press box 1, the first filter plate 48 can be disassembled and cleaned.

[0037] Working principle: when the first filter plate 48 is disassembled and cleaned, the first pulling plate 40 is pulled backward, the bottom end of the first pulling plate 40 is fixedly connected to the top end of the first connecting member 41, the bottom end of the first connecting member 41 abuts against the top end of the first connecting plate 47, and then the first connecting member 41 is driven to move backward at the top end of the first connecting plate 47, the first connecting member 41 is connected to the first abutting member 42, and then the first abutting member 42 is driven to move backward on the top end of the circular abutting plate 46, and then the first connecting member 41 squeezes the first spring 43 backward, and then the first spring 43 contracts toward the spring connecting plate 44, and when the first abutting member 42 moves backward to no longer be sleeved on the outside of the first clamping rod 45, the first abutting member 42 is no longer abutted against the top end of the circular abutting plate 46, and then the first clamping rod 45 is pulled upward, and then the first clamping rod 45 passes through the first clamping rod 45 The first filter plate 48 is then moved upwards inside a connecting plate 47 and the first filter plate 48, and the circular abutment plate 46 is fixedly connected to the first engaging rod 45, which in turn drives the circular abutment plate 46 to move upwards, so that the circular abutment plate 46 and the top end of the first connecting plate 47 are no longer abutted, and the abutment between the circular abutment plate 46 and the first abutment member 42 can make the first engaging rod 45 more stably inserted inside the first connecting plate 47 and the first filter plate 48, so that the first filter plate 48 can work more stably inside the filter press box 1, and then the first engaging rod 45 is completely pulled out of the first connecting plate 47 and the first filter plate 48, so that the first engaging rod 45 and the first filter plate 48 are no longer engaged, and then the pull on the first pull plate 40 is released, that is, under the action of the restoring force of the first spring 43, the first connecting member 41 is restored to its original position.

[0038] Then, pull the first pull ring 49 to the left, the first pull ring 49 is fixedly connected to the first filter plate 48, and then drive the first filter plate 48 to pass through the left end of the filter press box 1 and move to the left, and then make the right end of the first filter plate 48 move to the left on the inner wall of the right end of the filter press box 1. When the first filter plate 48 is completely separated from the interior of the filter press box 1, the first filter plate 48 can be disassembled and cleaned. The interior of the first filter plate 48 is provided with a filter mesh cloth, so as to reduce the situation that the filter mesh holes inside the first filter plate 48 are blocked by sludge. After the first filter plate 48 is cleaned, when installing the first filter plate 48, Re-insert the first filter plate 48 into the interior of the filter press box 1, then push the right end of the first filter plate 48 to re-abut against the inner wall of the right end of the filter press box 1, then pull the first pull plate 40 to the left, so that the first connecting member 41 squeezes the first spring 43 to the left, and then reinsert the first locking rod 45 into the interior of the first connecting plate 47 and the first filter plate 48, so that the circular abutment plate 46 and the top of the first connecting plate 47 are re-abutted, and then release the pulling on the first pull plate 40, and under the action of the restoring force of the first spring 43, the first abutment member 42 is re-abutted against the circular abutment plate 46, and the installation of the first filter plate 48 is completed.

[0039] The sludge to be dehydrated is added to the top of the first filter plate 48 through the feed pipe 3. After the addition is completed, the hydraulic telescopic rod 2 is started, and the output end of the hydraulic telescopic rod 2 is fixedly connected to the filter press plate 5, thereby driving the filter press plate 5 to move downward, and the sludge can be squeezed through the filter press plate 5, so that the sludge inside the sludge passes through the first filter plate 48 and flows into the interior of the filter press box 1, thereby completing the dehydration of the sludge. When the sludge is dehydrated and needs to be cleaned, a threaded hole is provided inside the first connecting piece 63, and a threaded hole that coincides with the inside of the first connecting piece 63 is also provided at the rear end of the filter press box 1. The first connecting piece 63 can be fixed to the rear end of the filter press box 1 by using bolts, and the first connecting piece 63 is fixedly connected to the second baffle plate 64, so that the second baffle plate 64 abuts against the rear end of the filter press box 1. When the sludge is cleaned, the bolt is turned so that the bolt is no longer connected to the first connecting piece 63, and then the second baffle plate 64 is pulled backward. The second baffle plate 64 is pulled out of the rear end of the filter press box 1, and then the first push rod 60 is pushed backward. The first push rod 60 is fixedly connected to the first cleaning plate 61, and then the first cleaning plate 61 is driven to move backward inside the filter press box 1. The bottom end of the first cleaning plate 61 abuts against the top end of the first filter plate 48, and then the first cleaning plate 61 moves backward on the top end of the first filter plate 48. The first cleaning plate 61 is fixedly connected to the first baffle plate 62. The first baffle plate 62 can prevent the first cleaning plate 61 from being pulled too much, thereby detaching from the interior of the filter press box 1. The first cleaning plate 61 can effectively push the solid sludge remaining on the top end of the first filter plate 48, and then push the sludge backward into the interior of the first collecting box 65, so as to complete the sludge cleaning. When the sludge needs to be dehydrated next time, the second baffle plate 64 is re-adapted to the rear end of the filter press box 1, and then the first connecting plate 63 is re-fixed to the rear end of the filter press box 1 by turning the bolt.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A plate-and-frame filter press device for sludge dewatering, comprising a filter press box (1), the top end of the filter press box (1) is fixedly connected to a hydraulic telescopic rod (2), the front end of the filter press box (1) is fixedly connected to a feed pipe (3), the left end of the filter press box (1) is fixedly connected to a drain pipe (4), the output end of the hydraulic telescopic rod (2) is fixedly connected to the top end of a filter press plate (5), characterized in that: A disassembly assembly is provided at the left end of the filter press box (1); The disassembly assembly comprises a first pull plate (40), the first pull plate (40) is arranged at the left end of the filter press box (1), and the first pull plate (40) is fixedly connected to the top end of the first connecting member (41), the bottom end of the first connecting member (41) abuts against the top end of the first connecting plate (47), and the first connecting member (41) is fixedly connected to the first abutting member (42), the first abutting member (42) is sleeved on the outside of the first locking rod (45), and the bottom end of the first abutting member (42) abuts against the top end of the circular abutting plate (46), the first connecting member (41) is fixedly connected to one end of the first spring (43), and the other end of the first spring (43) is fixedly connected to the spring connecting plate (44), and cleaning assemblies are arranged on both sides of the filter press box (1).

2. A plate-and-frame filter press device for sludge dewatering according to claim 1, characterized in that: The cleaning assembly comprises a second baffle (64), the second baffle (64) being arranged at the rear end of the filter press box (1), and the second baffle (64) passing through the rear end of the filter press box (1), the second baffle (64) abutting against the rear end of the filter press box (1), the top end of the second baffle (64) being fixedly connected to the first connecting plate (63), the front end of the filter press box (1) being passed through by the first cleaning plate (61), and the first cleaning plate (61) being fixedly connected to the first push rod (60), the first cleaning plate (61) being fixedly connected to the first baffle (62), the first baffle (62) abutting against the front end inner wall of the filter press box (1), and the bottom end of the first cleaning plate (61) abutting against the top end of the first filter plate (48).

3. A plate-and-frame filter press device for sludge dewatering according to claim 2, characterized in that: The circular abutment plate (46) abuts against the top end of the first connecting plate (47), the circular abutment plate (46) is sleeved on the outside of the first locking rod (45), and the circular abutment plate (46) is fixedly connected to the first locking rod (45), the first locking rod (45) passes through the first connecting plate (47), and the first locking rod (45) also passes through the left end of the first filter plate (48), and the left end of the first filter plate (48) is fixedly connected to the first pull ring (49).

4. A plate-and-frame filter press device for sludge dewatering according to claim 3, characterized in that: The bottom end of the second baffle (64) abuts against the top end of the first collecting box (65), the first collecting box (65) abuts against the rear end of the filter press box (1), the bottom end of the first collecting box (65) abuts against the top end of a collecting box placement plate (66), the collecting box placement plate (66) is fixedly connected to the rear end of the filter press box (1), and the top end of the collecting box placement plate (66) is provided with anti-slip grooves, the first connecting piece (63) is provided with a threaded hole inside, and the rear end of the filter press box (1) is also provided with a threaded hole corresponding to the inside of the first connecting piece (63).

5. A plate-and-frame filter press device for sludge dewatering according to claim 4, characterized in that: The bottom end of the spring connecting plate (44) is fixedly connected to the top end of the first connecting plate (47), and the first connecting plate (47) is fixedly connected to the left end of the filter press box (1).

6. A plate-and-frame filter press device for sludge dewatering according to claim 5, characterized in that: The first filter plate (48) passes through the left end of the filter press box (1), and the right end of the first filter plate (48) passes through the inner wall of the right end of the filter press box (1), and the right end of the first filter plate (48) abuts against the right end of the filter press box (1).

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