Sludge dewatering plate-and-frame filter press

Abstract

The utility model discloses a sludge dewatering plate-and-frame filter press which comprises a support frame, a compression filtering mechanism and a linkage mechanism, and an electric-hydraulic pusher is arranged in the middle of the outer side surface of the left end of the support frame; the compression filtering mechanism comprises a first filtering plate, a second filtering plate, a third filtering plate and supporting arms, the first filtering plate is arranged on the end face of the telescopic end of the electric-hydraulic push rod and the middle of the right wall face of the supporting frame, and the supporting arms are arranged on the upper sides of the middles of the front side face and the rear side face of the first filtering plate; the lower side faces of the opposite inner side ends of the two supporting arms on the first filter plates are slidably connected with the upper end faces of the front ends and the rear ends of the vertically adjacent supporting frames correspondingly, and the second filter plates are arranged between the opposite inner side faces of the two first filter plates at equal intervals. Chain ring damage caused by overlarge impact force generated in the filter plate pulling process under the action of pressure difference is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sludge dewatering plate and frame filter press. Background Art

[0002] The filter press uses a special filter medium to apply a certain pressure to the object, causing the liquid to seep out. It is a commonly used solid-liquid separation equipment.

[0003] The existing filter press filter plates are provided with sliding plates at both ends, which can slide on the main beam. The plate puller pulls multiple filter plates apart through the sliding plates, and the adjacent filter plates are connected through chain rings. The plate puller pulls the filter plates on the edge, and the filter plates on the edge pull other filter plates through the chain rings.

[0004] There are some problems. The chain link can only give tension to the filter plate when it is in a straightened state. The sudden tension of the chain link can easily lead to chain link breakage. For this reason, we propose a sludge dewatering plate and frame filter press. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a sludge dewatering plate and frame filter press. By adding a simple linkage mechanism to replace the chain ring, it effectively prevents the chain ring from being damaged by excessive impact force generated during the process of pulling the filter plate apart under the action of pressure difference, and can effectively solve the problems in the background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a sludge dewatering plate and frame filter press, comprising a support frame, an electro-hydraulic push rod being provided at the middle of the outer side surface of the left end of the support frame, and a compression and filtration mechanism and a linkage mechanism;

[0007] The filter mechanism of claim 1, wherein the first filter plate is mounted on a front surface of the filter housing, the second filter plate being mounted on a front surface of the filter housing, the filter housing comprising a first filter element and a second filter element. The filter mechanism comprises a filter element which is mounted on a front surface of the filter housing, the filter element being mounted on a front surface of the filter housing, and a filter element which is mounted on a front surface of the filter housing.

[0008] Linkage mechanism: It is symmetrically arranged on the front and rear outer sides of the compression and filtration mechanism. This sludge dewatering plate and frame filter press effectively prevents the chain link from being damaged by excessive impact force generated when the filter plates are pulled apart under the action of pressure difference by adding a simple linkage mechanism to replace the chain link.

[0009] Furthermore, it also includes a single-chip microcomputer, which is arranged in the middle of the front end surface of the support frame. The input end of the single-chip microcomputer is electrically connected to the external power supply, and the input end of the electro-hydraulic push rod is electrically connected to the input end of the single-chip microcomputer to regulate the normal operation of each electrical appliance.

[0010] Furthermore, the compression filtration mechanism also includes a feed hole, a drainage hole and a penetration hole. The feed hole is respectively opened in the middle of each first filter plate, the second filter plate and the third filter plate, the drainage holes are respectively opened symmetrically on the upper and lower sides of each first filter plate, the second filter plate and the third filter plate, the penetration holes are respectively opened between the four drainage holes of each first filter plate and the adjacent filter press surface, between the two drainage holes on the lower side of each second filter plate and the two adjacent filter press surfaces, and between the four drainage holes of each third filter plate and the two adjacent filter press surfaces, which is the driven mechanism of the compression filtration mechanism.

[0011] Furthermore, the compression filtering mechanism also includes a support column, which is respectively arranged on the lower side of the middle part of the outer end of the support arm on each of the first filter plate, the second filter plate and the third filter plate, forming an installation mechanism of the compression filtering mechanism.

[0012] Furthermore, the linkage mechanism includes a first rotating arm, a second rotating arm and a pin shaft, the first rotating arm is rotatably connected to the inner and outer side surfaces of the support columns on the first filter plate, the second filter plate and the third filter plate respectively, the second rotating arm is rotatably connected to the outer and outer side surfaces of the support columns on the first filter plate, the second filter plate and the third filter plate respectively, the rotations of the first rotating arm and the second rotating arm adjacent to each other on the left and right are rotatably connected by the pin shaft, and the linkage limit mechanism is formed.

[0013] Furthermore, it also includes a feed pipe and a drainage pipe. The feed pipe is arranged in the middle of the right end face of the support frame, and the drainage pipe is respectively arranged on the left and right sides of the right end face of the support frame and the left and right sides of the upper and lower ends of the left end face of the support frame and the left wall of the support frame.

[0014] Furthermore, it also includes a crushing arm, which is symmetrically arranged on the lower end surface of the support frame in front and back, and crushes the filter cake under the action of gravity.

[0015] Furthermore, it also includes an electric conveyor belt. The lower end surface of the support frame is provided with evenly distributed brackets. The electric conveyor belt is arranged between the four brackets. The input end of the electric conveyor belt is electrically connected to the output end of the single-chip microcomputer to transport the broken filter cake to the collection box.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the sludge dewatering plate and frame filter press has the following advantages:

[0017] The staff connected the external sewage pipe with the feed pipe, and the drainage pipe with the external drainage pipe. Then the staff opened the electro-hydraulic push rod through the single-chip computer, and the telescopic end of the electro-hydraulic push rod extended. The telescopic end of the electro-hydraulic push rod extended to drive the first filter plate on the left to move right. Under the rotation limit of the first rotating arm, the second rotating arm and the pin shaft, the first filter plate, the second filter plate and the third filter plate were driven to move right to press the first filter plate, the second filter plate and the third filter plate. Then the staff turned on the delivery pump of the external sewage pipe. Under the action of the delivery pump, the external sewage entered the filter press chamber composed of the relative inner filter press surfaces of the first filter plate, the second filter plate and the third filter plate through the feed pipe and the feed hole. Then the water in the sewage entered through the infiltration hole and the drainage hole. To the drainage pipe, after the filtration is completed, the solids remaining in the sewage form filter cakes in the filter press chamber, and then the staff controls the electro-hydraulic push rod to reset through the single-chip microcomputer, the electric conveyor belt is powered on, the electro-hydraulic push rod is reset, and the telescopic end face of the electro-hydraulic push rod is retracted. Driven by the first rotating arm, the second rotating arm and the rotation limit of the pin shaft, each first filter plate, the second filter plate and the third filter plate are pulled apart at equal distances, and at the same time the electric conveyor belt is powered on, the filter cake falls on the crushing arm and is crushed, and the crushed filter cake falls onto the conveyor belt of the electric conveyor belt and is transported to the external collection box via the electric conveyor belt. This sludge dewatering plate and frame filter press effectively prevents the chain link from being damaged by excessive impact force generated during the process of pulling the filter plate apart under the action of pressure difference by adding a simple linkage mechanism to replace the chain link. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural diagram of the linkage mechanism of the utility model;

[0020] Figure 3 This is a schematic cross-sectional structural diagram of the first filter plate of the present invention;

[0021] Figure 4 This is a schematic cross-sectional structural diagram of the second filter plate of the present invention;

[0022] Figure 5 This is a schematic cross-sectional structural diagram of the third filter plate of the present invention.

[0023] In the figure: 1 bracket, 2 support frame, 3 electro-hydraulic push rod, 4 single-chip microcomputer, 5 compression filtration mechanism, 51 first filter plate, 52 second filter plate, 53 third filter plate, 54 feed hole, 55 drainage hole, 56 penetration hole, 57 support arm, 58 support column, 6 linkage mechanism, 61 first rotating arm, 62 second rotating arm, 63 pin shaft, 7 feed pipe, 8 drainage pipe, 9 crushing arm, 10 electric conveyor belt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-5 , this embodiment provides a technical solution: a sludge dewatering plate and frame filter press, comprising a support frame 2, an electro-hydraulic push rod 3 is provided at the middle of the left end outer side surface of the support frame 2, and further comprising a compression and filtering mechanism 5 and a linkage mechanism 6;

[0026] Support frame 2: The lower end surface of the support frame 2 is provided with evenly distributed brackets 1, and the middle part of the outer side surface of the left end of the support frame 2 is provided with an electro-hydraulic push rod 3. It also includes a feed pipe 7 and a drainage pipe 8. The feed pipe 7 is provided in the middle part of the right end surface of the support frame 2, and the drainage pipe 8 is respectively provided on the left and right sides of the right end surface of the support frame 2 and the left and right sides of the upper and lower ends of the left end surface of the support frame 2 and the left wall surface of the support frame 2. It also includes a crushing arm 9, which is symmetrically provided on the lower end surface of the support frame 2 front and back. It also includes an electric conveyor belt 10, which is provided between the four brackets 1, and the input end of the electric conveyor belt 10 is electrically connected to the output end of the single-chip computer 4;

[0027] Among them: it also includes a single-chip microcomputer 4, which is arranged in the middle of the front end surface of the support frame 2, the input end of the single-chip microcomputer 4 is electrically connected to the external power supply, and the input end of the electro-hydraulic push rod 3 is electrically connected to the input end of the single-chip microcomputer 4;

[0028] The compression filtering mechanism 5 comprises a first filter plate 51, a second filter plate 52, a third filter plate 53 and a support arm 57. The first filter plate 51 is respectively arranged on the telescopic end face of the electro-hydraulic push rod 3 and the middle part of the right wall face of the support frame 2. A support arm 57 is provided on the upper middle part of the front and rear side faces of the first filter plate 51. The lower side faces of the two support arms 57 on the first filter plate 51 are respectively slidably connected to the upper front and rear end faces of the upper and lower adjacent support frames 2. A second filter plate 52 is equidistantly arranged between the opposite inner sides of the two first filter plates 51. A support arm 57 is also provided on the upper middle part of the front and rear side faces of each second filter plate 52. The lower side faces of the two support arms 57 on each second filter plate 52 are respectively slidably connected to the upper front and rear end faces of the upper and lower adjacent support frames 2. A third filter plate 53 is equidistantly arranged between the opposite inner ends of the left and right adjacent second filter plates 52. A support arm 57 is also provided on the upper middle part of the front and rear side faces of each third filter plate 53. The lower sides of the opposite inner ends of the two support arms 57 on each third filter plate 53 are respectively slidably connected to the upper end surfaces of the front and rear ends of the upper and lower adjacent support frames 2. The compression filtration mechanism 5 also includes a feed hole 54, a drainage hole 55 and a penetration hole 56. The feed hole 54 is respectively opened in the middle of each first filter plate 51, the second filter plate 52 and the third filter plate 53, and the drainage holes 55 are respectively opened symmetrically on the upper and lower sides of each first filter plate 51, the second filter plate 52 and the third filter plate 53. The penetration holes 56 are respectively opened between the four drainage holes of each first filter plate 51 and the adjacent filter press surface, between the two drainage holes 55 on the lower side of each second filter plate 52 and the two adjacent filter press surfaces, and between the four drainage holes 55 of each third filter plate 53 and the two adjacent filter press surfaces. The compression filtration mechanism 5 also includes a support column 58, which is respectively arranged on the lower side of the middle part of the outer end of the support arm 57 on each first filter plate 51, the second filter plate 52 and the third filter plate 53;

[0029] Linkage mechanism 6: It is symmetrically arranged on the front and rear outer sides of the compression filter mechanism 5. The linkage mechanism 6 includes a first rotating arm 61, a second rotating arm 62 and a pin 63. The first rotating arm 61 is respectively connected to the inner and outer sides of the support column 58 on the first filter plate 51, the second filter plate 52 and the third filter plate 53. The second rotating arm 62 is respectively connected to the outer and outer sides of the support column 58 on the first filter plate 51, the second filter plate 52 and the third filter plate 53. The first rotating arm 61 and the second rotating arm 62 are respectively connected to the outer and outer sides of the support column 58 on the first filter plate 51, the second filter plate 52 and the third filter plate 53. 2 are connected by a pin 63, the telescopic end of the electro-hydraulic push rod 3 extends, and the telescopic end of the electro-hydraulic push rod 3 extends to drive the first filter plate 51 on the left to move right. Under the rotation restriction of the first rotating arm 61, the second rotating arm 62 and the pin 63, the first filter plate 51, the second filter plate 52 and the third filter plate 53 are driven to move right to press the first filter plate 51, the second filter plate 52 and the third filter plate 53. Then the staff turns on the delivery pump of the external sewage pipe. Under the action of the delivery pump, the external sewage passes through the feed pipe. 7 and the feed hole 54 enter the filter press chamber composed of the relative inner filter press surfaces of the first filter plate 51, the second filter plate 52 and the third filter plate 53, and then the water in the sewage enters the drainage pipe through the infiltration hole 56 and the drainage hole 55. After the filtration is completed, the solids remaining in the sewage form a filter cake in the filter press chamber. Then the staff controls the electro-hydraulic push rod 3 to reset through the single chip computer 4, the electric conveyor belt 10 is powered on, the electro-hydraulic push rod 3 is reset, the telescopic end face of the electro-hydraulic push rod 3 is retracted, and the first rotating arm 61 and the second rotating arm 62 are rotated. Driven by the rotation restriction of the rotating arm 62 and the pin shaft 63, the first filter plates 51, the second filter plates 52 and the third filter plates 53 are pulled apart at equal distances. At the same time, the electric conveyor belt 10 is powered on and the filter cake falls on the crushing arm 9 and is crushed. The crushed filter cake falls onto the conveyor belt of the electric conveyor belt 10 and is transported to the external collection box via the electric conveyor belt 10. This sludge dewatering plate and frame filter press effectively prevents damage to the chain links due to excessive impact force generated during the process of pulling apart the filter plates under the action of pressure difference by adding a simple linkage mechanism to replace the chain links.

[0030] The working principle of the sludge dewatering plate and frame filter press provided by the present invention is as follows: the staff connects the external sewage pipe with the feed pipe 7, and the drainage pipe 8 with the external drainage pipe, and then the staff opens the electro-hydraulic push rod 3 through the single-chip computer 4, and the telescopic end of the electro-hydraulic push rod 3 extends, and the extension of the telescopic end of the electro-hydraulic push rod 3 drives the first filter plate 51 on the left to move right, and under the rotation restriction of the first rotating arm 61, the second rotating arm 62 and the pin shaft 63, drives each of the first filter plates 51, the second filter plates 52 and the third filter plates 53 to move right to press each of the first filter plates 51, the second filter plates 52 and the third filter plates 53, and then the staff turns on the delivery pump of the external sewage pipe. Under the action of the delivery pump, the external sewage enters the filter press chamber composed of the relative inner filter pressing surfaces of each of the first filter plates 51, the second filter plates 52 and the third filter plates 53 through the feed pipe 7 and the feed hole 54, and then The water in the sewage enters the drainage pipe through the infiltration hole 56 and the drainage hole 55. After the filtration is completed, the solids remaining in the sewage form filter cakes in the filter press chamber. Then the staff controls the electro-hydraulic push rod 3 to reset through the single-chip microcomputer 4, and the electric conveyor belt 10 is energized to operate. The electro-hydraulic push rod 3 is reset, and the telescopic end face of the electro-hydraulic push rod 3 is retracted. Driven by the rotation limit of the first rotating arm 61, the second rotating arm 62 and the pin shaft 63, the first filter plate 51, the second filter plate 52 and the third filter plate 53 are equidistantly pulled apart. At the same time, the electric conveyor belt 10 is energized to operate, and the filter cake falls on the crushing arm 9 and is crushed. The crushed filter cake falls onto the conveyor belt of the electric conveyor belt 10 and is transported to the external collection box via the electric conveyor belt 10. This sludge dewatering plate and frame filter press effectively prevents the chain link from being damaged by the excessive impact force generated during the process of pulling the filter plates apart under the action of the pressure difference.

[0031] It is worth noting that the above embodiments disclosed

[0032] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sludge dewatering plate and frame filter press, comprising a support frame (2), wherein an electro-hydraulic push rod (3) is provided in the middle of the outer side surface of the left end of the support frame (2), characterized in that: It also includes a compression and filtering mechanism (5) and a linkage mechanism (6); The compression filtering mechanism (5) comprises a first filter plate (51), a second filter plate (52), a third filter plate (53) and a support arm (57), wherein the first filter plate (51) is respectively arranged on the telescopic end face of the electro-hydraulic push rod (3) and the middle part of the right wall face of the support frame (2), and a support arm (57) is arranged on the upper side of the middle part of the front and rear side faces of the first filter plate (51), and the lower side faces of the two support arms (57) on the first filter plate (51) are respectively slidably connected to the upper end faces of the front and rear ends of the upper and lower adjacent support frames (2), and the second filter plate (52) is equidistantly arranged between the relative inner side faces of the two first filter plates (51), and each of the third filter plates (53) is provided with a support arm (57). A support arm (57) is also provided on the upper middle side of the front and rear side surfaces of the second filter plates (52), and the lower side surfaces of the two support arms (57) on each second filter plate (52) are respectively slidably connected to the upper front and rear end surfaces of the upper and lower adjacent support frames (2). A third filter plate (53) is equidistantly provided between the relatively inner ends of the left and right adjacent second filter plates (52), and a support arm (57) is also provided on the upper middle side of the front and rear side surfaces of each third filter plate (53). The lower side surfaces of the two support arms (57) on each third filter plate (53) are respectively slidably connected to the upper front and rear end surfaces of the upper and lower adjacent support frames (2); The linkage mechanism (6) is symmetrically arranged on the front and rear outer sides of the compression and filtering mechanism (5).

2. The plate-and-frame filter press for sludge dewatering according to claim 1, characterized in that: It also includes a single-chip microcomputer (4), which is arranged in the middle of the front end surface of the support frame (2), the input end of the single-chip microcomputer (4) is electrically connected to an external power supply, and the input end of the electro-hydraulic push rod (3) is electrically connected to the input end of the single-chip microcomputer (4).

3. The plate-and-frame filter press for sludge dewatering according to claim 1, characterized in that: The compression filtering mechanism (5) further comprises a feed hole (54), a drainage hole (55) and a permeation hole (56), wherein the feed hole (54) is respectively provided in the middle of each first filter plate (51), the second filter plate (52) and the third filter plate (53), the drainage holes (55) are respectively provided symmetrically on the upper and lower sides of each first filter plate (51), the second filter plate (52) and the third filter plate (53), and the permeation hole (56) is respectively provided between the four drainage holes of each first filter plate (51) and the adjacent filter press surface, between the two drainage holes (55) on the lower side of each second filter plate (52) and the two adjacent filter press surfaces, and between the four drainage holes (55) of each third filter plate (53) and the two adjacent filter press surfaces.

4. The plate-and-frame filter press for sludge dewatering according to claim 1, characterized in that: The compression filtering mechanism (5) further comprises a support column (58), which is respectively arranged at the lower side of the middle portion of the outer end of the support arm (57) on each of the first filter plate (51), the second filter plate (52) and the third filter plate (53).

5. The plate-and-frame filter press for sludge dewatering according to claim 4, characterized in that: The linkage mechanism (6) comprises a first rotating arm (61), a second rotating arm (62) and a pin (63); the first rotating arm (61) is rotationally connected to the inner and outer side surfaces of the support columns (58) on the first filter plate (51), the second filter plate (52) and the third filter plate (53); the second rotating arm (62) is rotationally connected to the outer and outer side surfaces of the support columns (58) on the first filter plate (51), the second filter plate (52) and the third filter plate (53); the rotations of the first rotating arm (61) and the second rotating arm (62) adjacent to each other on the left and right are rotationally connected via the pin (63).

6. The plate-and-frame filter press for sludge dewatering according to claim 1, characterized in that: The invention also includes a feed pipe (7) and a drainage pipe (8), wherein the feed pipe (7) is arranged in the middle of the right end face of the support frame (2), and the drainage pipe (8) is respectively arranged on the left and right sides of the right end face of the support frame (2), the left and right sides of the upper and lower ends of the left end face of the support frame (2), and the left wall surface of the support frame (2).

7. The plate-and-frame filter press for sludge dewatering according to claim 1, characterized in that: It also includes a crushing arm (9), which is symmetrically arranged on the lower end surface of the support frame (2) in a front-to-back manner.

8. The plate-and-frame filter press for sludge dewatering according to claim 2, characterized in that: It also includes an electric conveyor belt (10), wherein the lower end surface of the support frame (2) is provided with evenly distributed brackets (1), the electric conveyor belt (10) is arranged between the four brackets (1), and the input end of the electric conveyor belt (10) is electrically connected to the output end of the single chip computer (4).

Images