Sludge filter pressing device for sewage

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a sludge filter pressing device for sewage, which comprises a filter press, a cleaning component comprises an external frame and a lower connecting strip mounted at the bottom end of the external frame, inner movable rods are mounted on two sides of the bottom end of the lower connecting strip, and scraping strips are mounted on the outer surfaces of the inner movable rods. When the filter plate moves, the scraping strip is driven to move through the positioning ring, after filter pressing is completed, the air cylinder stretches out and draws back, the wavy strip is moved out of the interior of the inner movable groove, and in the process that the filter plate is pulled back to the original position through a return device of the filter press, the bottom end of the roller makes contact with the top end face of the wavy strip; an inner sliding plate, an external frame, a lower connecting strip and an inner movable rod rise along the top end face of a wave strip, the movable inner movable rod cleans sludge on the surface of the movable filter plate, the sludge on the surface of the filter plate is scraped by a scraping strip, and the sludge with high viscosity is prevented from being attached to the filter plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a sludge filter press device for sewage. BACKGROUND

[0002] Sludge treatment is the process of reducing, stabilizing and harmless treatment of sludge. The higher the degree of sewage treatment, the more sludge residues need to be treated. Unless land treatment or sewage pond treatment is used to treat sewage, general sewage treatment plants must have sludge treatment facilities. For modern sewage treatment plants, sludge treatment and disposal has become the most complex and most expensive part of the operation of the sewage treatment system.

[0003] Such as the publication number for CN214861466U a sludge filter press device for sewage treatment, including frame, one side of frame is fixedly connected with first support plate, one side of first support plate is fixedly connected with first speed reducer, one side of first speed reducer is fixedly connected with first servo motor, the output shaft of first speed reducer is fixedly connected with first threaded rod, the outer surface of first threaded rod is threadedly connected with moving block, the upper surface of moving block is fixedly connected with push bar, one side of moving block is fixedly connected with limit slide block, one side of frame is provided with sliding groove, the inside of frame is movably connected with filter plate. The first servo motor is used to drive the first threaded rod to rotate and drive the moving block to move. The control of the moving block is more accurate, the moving position of the filter plate is more accurate, and the moving speed of the filter plate is more convenient to control.

[0004] The above patent proposes that the filter plate is pushed by the push bar, so that the push bar drives the filter plate to move and makes the filter cake after filter pressing fall down. However, in actual use, part of the sludge contains more organic matter or colloidal matter, which usually has strong viscosity. These organic matter or colloidal matter can make the sludge form stronger adhesion in the process of filter pressing, resulting in strong adhesion between the sludge and the filter plate, so that the sludge is not easy to fall off from the filter plate, affecting the filter pressing of the next group of sludge.

[0005] Therefore, we propose a sludge filter press device for sewage to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a sludge filter press device for sewage to solve the problem of strong adhesion between the sludge and the filter plate, which makes the sludge not easy to fall off from the filter plate.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a sludge filter press device for sewage, including filter press, the rack top of filter press is installed with adjusting component, the upper end of adjusting component is installed with cleaning component in sliding mode;

[0008] The cleaning member comprises an outer frame and a lower connecting strip installed at the bottom end of the outer frame, both sides of the bottom end of the lower connecting strip are provided with inner moving rods, and the outer surface of the inner moving rod is provided with a scraping strip.

[0009] Preferably, the top end of the filter plate in the filter press is provided with an opening, and a positioning ring is installed in the opening.

[0010] Preferably, the adjusting member comprises a top block A and a top block B arranged on one side of the top block A, the side close to each other of the top block A and the top block B is provided with an L-shaped groove, a connecting frame is installed between the top block A and the top block B and outside the L-shaped groove, the inner bottom end of the connecting frame is provided with an inner moving groove, and a moving frame is installed in the inner moving groove.

[0011] Preferably, the inner side top end of the L-shaped groove is provided with a gas cylinder, the moving end of the gas cylinder is installed at the top end of the moving frame, the top end of the moving frame is provided with a frame groove, and a wave strip is installed in the frame groove.

[0012] Preferably, the inner top end of the outer frame is provided with an inner sliding plate, and the inner sliding plate is slidingly installed in the inner connecting frame.

[0013] Preferably, the bottom end of the inner sliding plate is provided with a bottom groove, and a roller is movably installed on the inner wall of the bottom groove and at the bottom end of the inner sliding plate.

[0014] Compared with the prior art, the filter press for sewage sludge has the following beneficial effects:

[0015] 1. When the filter plate is subjected to pressure filtration, the filter plate moves and drives the scraping strip to move through the positioning ring, after the pressure filtration is completed, the gas cylinder is retracted, the wave strip is moved out of the inner moving groove, and during the process that the filter plate is pulled back to the original position by the return device of the filter press, the bottom end of the roller is in contact with the top end surface of the wave strip, the inner sliding plate, the outer frame, the lower connecting strip and the inner moving rod are up and down along the top end surface of the wave strip, and the moving inner moving rod cleans the sludge on the surface of the moving filter plate.

[0016] 2. The filter press for sewage sludge is limited by the positioning ring, the filter plate can drive the cleaning member to move synchronously when the filter plate moves, the separation between the inner moving rod and the filter plate is avoided, the sludge on the surface of the filter plate is scraped by the scraping strip, and the sludge with high viscosity is prevented from adhering to the filter plate. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a three-dimensional structure schematic view of the adjusting member of the utility model.

[0019] Figure 3 For the utility model Figure 1 A place amplification view in the middle A;

[0020] Figure 4 For the utility model's inner movable rod structure schematic view.

[0021] In the drawing: 1, filter press; 2, adjusting component; 21, top block A; 22, top block B; 23, L-shaped slot; 24, air cylinder; 25, moving frame; 26, frame slot; 27, wave strip; 28, connecting frame; 29, inner movable slot; 3, cleaning component; 31, inner sliding plate; 32, bottom slot; 33, roller; 34, outer frame; 35, inner movable rod; 36, scraping strip; 37, lower connecting strip; 38, positioning ring; 4, aperture. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment one: please refer to Figures 1-3 A sewage sludge filter press device, including filter press 1, the adjusting component 2 is installed at the top of the rack in filter press 1, the upper end of adjusting component 2 is slidably installed with cleaning component 3, the return device in filter press 1 is usually controlled by hydraulic system, and the hydraulic cylinder is used to provide the required force, and the filter plate is pushed to return, by accurately controlling the return device, the filter plate can be correctly restored after the end of the filtration period, avoiding jamming or damage, and preparing for the next filtration period.

[0024] Cleaning component 3 includes outer frame 34 and lower connecting strip 37 installed at the bottom end of outer frame 34, and inner movable rod 35 is installed at the bottom end of lower connecting strip 37.

[0025] The filter plate top end in filter press 1 is provided with aperture 4, and positioning ring 38 is installed inside aperture 4, and inner movable rod 35 is inside positioning ring 38, and one side of positioning ring 38 is connected to the surface of the filter plate by limiting and positioning the movement of inner movable rod 35.

[0026] The adjusting member 2 comprises a top block A21 and a top block B22 arranged on one side of the top block A21, an L-shaped groove 23 is arranged on the side close to the top block A21 and the top block B22, a connecting frame 28 is arranged between the top block A21 and the top block B22 and outside the L-shaped groove 23, an inner moving groove 29 is arranged at the inner bottom end of the connecting frame 28, a moving frame 25 is arranged in the inner moving groove 29, and the two ends of the moving frame 25 are arranged in the L-shaped groove 23 in the top block A21 and the top block B22 respectively. The moving frame 25 is limited by the inner moving groove 29 and the L-shaped groove 23.

[0027] The inner top end of the L-shaped groove 23 is provided with a pneumatic cylinder 24, the moving end of the pneumatic cylinder 24 is arranged at the top end of the moving frame 25, a frame groove 26 is arranged at the inner top end of the moving frame 25, a wave strip 27 is arranged in the frame groove 26, and the wave strip 27 is arranged to contact the cleaning member 3.

[0028] The inner top end of the connecting frame 28 is provided with an inner sliding plate 31, the inner sliding plate 31 is slidingly arranged in the connecting frame 28, and the inner sliding plate 31 is limited by the connecting frame 28.

[0029] The bottom end of the inner sliding plate 31 is provided with a bottom groove 32, a roller 33 is movably arranged on the inner wall of the bottom groove 32 and at the bottom end of the inner sliding plate 31, and the bottom end surface of the roller 33 contacts the inner bottom end of the connecting frame 28.

[0030] In the embodiment, the top block A21 and the top block B22 are arranged at the two sides of the top end of the frame of the filter press 1, when the filter plate is pressed and filtered, the filter plate is moved to drive the scraper 36 to move through the positioning ring 38, so that the cleaning member 3 moves in the connecting frame 28, after the pressing and filtering is completed, the pneumatic cylinder 24 is extended and retracted to drive the moving frame 25 to move upwards, so that the wave strip 27 moves out of the inner moving groove 29, during the process that the filter plate is pulled back to the original position by the return device of the filter press 1, the roller 33 arranged in the bottom groove 32 contacts the top end surface of the wave strip 27, so as to drive the inner sliding plate 31, the outer frame 34, the lower connecting strip 37 and the inner moving rod 35 to move up and down along the top end surface of the wave strip 27, the filter plate can keep stable, and the inner moving rod 35 moves to clean the sludge on the surface of the moving filter plate.

[0031] In the embodiment, the top block A21 and the top block B22 are arranged at the two sides of the top end of the frame of the filter press 1, when the filter plate is pressed and filtered, the filter plate is moved to drive the scraper 36 to move through the positioning ring 38, so that the cleaning member 3 moves in the connecting frame 28, after the pressing and filtering is completed, the pneumatic cylinder 24 is extended and retracted to drive the moving frame 25 to move upwards, so that the wave strip 27 moves out of the inner moving groove 29, during the process that the filter plate is pulled back to the original position by the return device of the filter press 1, the roller 33 arranged in the bottom groove 32 contacts the top end surface of the wave strip 27, so as to drive the inner sliding plate 31, the outer frame 34, the lower connecting strip 37 and the inner moving rod 35 to move up and down along the top end surface of the wave strip 27, the filter plate can keep stable, and the inner moving rod 35 moves to clean the sludge on the surface of the moving filter plate. Figures 2-4

[0032] ​In the embodiment, the filter plate is provided with an opening 4 at the top end, and a positioning ring 38 is arranged inside the opening 4; when the filter plate is returned to the original position, the inner movable rod 35 is limited by the positioning ring 38, so that the filter plate can drive the cleaning member 3 to move synchronously when the filter plate moves, the inner movable rod 35 is prevented from separating from the filter plate, and the cleaning effect on the filter plate is affected; when the inner sliding plate 31 moves upwards, the lower connecting rod 37 is pulled to move upwards by the outer frame 34, the top end of the lower connecting rod 37 is in contact with the bottom end of the connecting frame 28, and the inner movable rod 35 also moves upwards, and the sludge on the surface of the filter plate is scraped by the scraping strip 36, so that the sludge with high viscosity is prevented from adhering to the filter plate.

[0033] Working principle: when the filter plate is subjected to pressure filtration, the scraping strip 36 is driven to move by the positioning ring 38 when the filter plate moves; after the pressure filtration is completed, the cylinder 24 is retracted, the wave strip 27 is moved out of the inner movable groove 29, and during the process that the filter plate is pulled back to the original position by the return device of the filter press 1, the bottom end of the roller 33 is in contact with the top end surface of the wave strip 27, the inner movable rod 35 is limited by the positioning ring 38, the filter plate can drive the cleaning member 3 to move synchronously when the filter plate moves, the inner movable rod 35 is prevented from separating from the filter plate, the inner sliding plate 31, the outer frame 34, the lower connecting rod 37 and the inner movable rod 35 move up and down along the top end surface of the wave strip 27, the inner movable rod 35 cleans the sludge on the surface of the moving filter plate, the sludge on the surface of the filter plate is scraped by the scraping strip 36, and the sludge with high viscosity is prevented from adhering to the filter plate.

[0034] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sludge filter press device for sewage, comprising a filter press (1), characterized in that: The adjusting member (2) is installed at the top end of the frame in the filter press (1), and the cleaning member (3) is slidingly installed at the upper end of the adjusting member (2). The cleaning member (3) comprises an external frame (34) and a lower connecting strip (37) installed at the bottom end of the external frame (34), and the bottom end of the lower connecting strip (37) is provided with an inner moving rod (35) on both sides.

2. The sludge filter press device for sewage according to claim 1, characterized by: The filter plate in the filter press (1) is provided with an opening (4) at the top end, and the opening (4) is provided with a positioning ring (38) inside, and the inner moving rod (35) is inside the positioning ring (38).

3. The sludge filter press device for sewage according to claim 1, characterized in that: The adjusting member (2) comprises a top block A (21) and a top block B (22) arranged on one side of the top block A (21), and the side close to each other of the top block A (21) and the top block B (22) is provided with an L-shaped groove (23), and the connecting frame (28) is installed between the top block A (21) and the top block B (22) and outside the L-shaped groove (23), and the inside bottom end of the connecting frame (28) is provided with an inner moving groove (29), and the inner moving groove (29) is provided with a moving frame (25) inside, and the both ends of the moving frame (25) are respectively in the L-shaped groove (23) inside the top block A (21) and the top block B (22).

4. The sludge filter press device for sewage according to claim 3, characterized by: The inner side top end of the L-shaped groove (23) is provided with a gas cylinder (24), and the moving end of the gas cylinder (24) is installed at the top end of the moving frame (25), and the top end of the moving frame (25) is provided with a frame groove (26) inside, and the frame groove (26) is provided with a wave strip (27) inside.

5. The sludge filter press device for sewage according to claim 1, characterized by: The inner side top end of the L-shaped groove (23) is provided with a gas cylinder (24), and the moving end of the gas cylinder (24) is installed at the top end of the moving frame (25), and the top end of the moving frame (25) is provided with a frame groove (26) inside, and the frame groove (26) is provided with a wave strip (27) inside.

6. The sludge filter press device for sewage according to claim 5, characterized by: The inner side top end of the L-shaped groove (23) is provided with a gas cylinder (24), and the moving end of the gas cylinder (24) is installed at the top end of the moving frame (25), and the top end of the moving frame (25) is provided with a frame groove (26) inside, and the frame groove (26) is provided with a wave strip (27) inside. The bottom end of the inner sliding plate (31) is provided with a bottom groove (32), and the inner wall of the bottom groove (32) and the bottom end of the inner sliding plate (31) are movably provided with a roller (33).

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