Squeezing pool filtering water tank device for deep dehydration of sludge

By designing a water distribution chamber and a multi-layer filtration structure for the press water tank and filter trough, the problem of sludge backflow in the plate and frame filter press was solved, improving the stability and efficiency of sludge treatment, reducing the risk of equipment failure, and extending the service life of the equipment.

CN223683174UActive Publication Date: 2025-12-19SHENZHEN GUANLAN WASTEWATER TREATMENT CO LTD
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Patent Information

Application Number
CN202423032816.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-19
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing plate and frame filter presses suffer from filter plate damage and sludge backflow issues in sludge treatment, leading to a decrease in system stability and efficiency. Existing temporary measures cannot fundamentally solve the risk of sludge entering the pressing water tank and causing blockage.

Method used

Design a pressing water tank filtration tank device for deep dewatering of sludge, comprising a water distribution chamber and a filtration chamber. The water distribution chamber is equipped with multiple water distribution channels, and the filtration chamber is equipped with a multi-layer filtration structure with gradually decreasing filter media pore size, and is equipped with a high-pressure nozzle cleaning assembly for removing sludge.

Benefits of technology

This improved the stability and efficiency of the sludge treatment process, reduced the risk of sludge entering the pressing water tank, lowered equipment failure and maintenance costs, and extended equipment lifespan.

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Abstract

The utility model discloses a squeezing pool filtering water tank device for deep dehydration of sludge, and relates to the technical field of sludge treatment devices. The filtering water tank comprises a filtering water tank body mounted at an inlet of a sludge squeezing water tank, a water distribution chamber and a filtering chamber are arranged in the filtering water tank body and are separated by a filtering plate, the interior of the water distribution chamber is divided into a plurality of water distribution tanks by partition plates, and a plurality of layers of filtering structures are detachably arranged in the filtering chamber. The multi-layer filtering structure sequentially comprises a rough filtering layer, a fine filtering layer and a refined filtering layer from top to bottom, and the pore diameter of each layer of filtering material is gradually reduced. According to the filtering water tank device provided by the utility model, the sludge-containing filtrate discharged from the plate-and-frame filter press is intercepted and filtered, so that the working efficiency of sludge treatment is effectively improved, and the risk of blockage or other mechanical faults caused by entering of sludge into a squeezing water tank is reduced; and a multi-layer filtering structure arranged in the filtering chamber ensures that sludge in filtrate is intercepted step by step.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to sludge treatment device technical field, especially relate to a kind of for sludge deep dewatering's squeezing pool filtering sink device. BACKGROUND

[0002] Sludge treatment is an important link in the process of wastewater treatment, the main purpose is to separate solid materials in wastewater, for subsequent disposal or resource utilization. Common sludge treatment methods include physical method, chemical method and biological method. Among them, plate and frame filter press is a commonly used sludge dewatering equipment in physical method, water in sludge is squeezed out by high pressure, so as to realize solid-liquid separation.

[0003] Although plate and frame filter press plays an important role in sludge treatment, there are still some problems in actual application, especially the sludge backflow problem caused by filter plate damage, which seriously affects the stability and efficiency of the system. Some temporary measures such as increasing filter screen or manually cleaning sludge can temporarily solve the problem, but cannot fundamentally avoid sludge entering the squeezing pool.

[0004] Therefore, we provide a kind of for sludge deep dewatering's squeezing pool filtering sink device to solve the problems in the above. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model is a kind of for sludge deep dewatering's squeezing pool filtering sink device, including the filtering sink body of being installed at the entrance of sludge squeezing pool, water distribution chamber and filter chamber are provided in the filtering sink body, water distribution chamber and filter chamber are separated by filter plate, the inside of water distribution chamber is separated into several water distribution sink by partition, and the inside of filter chamber is detachably provided with multilayer filter structure, the multilayer filter structure includes coarse filter layer, fine filter layer and precision filter layer from top to bottom in sequence, and the aperture of each layer of filter material gradually decreases.

[0007] The utility model is further provided that water distribution chamber is connected with inlet pipe, and filter chamber is connected with outlet pipe.

[0008] The utility model is further provided that the top of filtering sink body is equipped with movable cover plate, and movable cover plate is connected with filtering sink body by hinge.

[0009] The utility model is further provided that the side of filter plate is equipped with cleaning assembly, cleaning assembly includes high-pressure nozzle and water supply pipeline, and high-pressure nozzle is correspondingly directed to the inside of water distribution sink.

[0010] The utility model further sets up, the baffle one end with filter plate fixed, and the baffle other end with water distribution chamber inner wall interval separation.

[0011] The utility model further sets up, the baffle one end with filter plate fixed, and the baffle other end with water distribution chamber inner wall interval separation.

[0012] The utility model has following beneficial effect:

[0013] 1, the utility model discloses a baffle and divides water distribution chamber into multiple water distribution tanks, and each water distribution tank can independently receive the filtrate flowing from the inlet pipe, and is evenly distributed to the filter chamber, and this kind of evenly distributed mode avoids that partial filtration load is too heavy, and ensures the stability and uniformity of entire filtration process.

[0014] 2, the multiple layers of filter structure in the filter chamber, from top to bottom are coarse filter layer, fine filter layer and precision filter layer in proper order, and the aperture of each layer of filter material gradually decreases, ensures that the sludge in the filtrate is intercepted gradually, and finally obtains relatively pure filtrate, and greatly improves the filtration effect.

[0015] 3, the utility model discloses a cleaning assembly, including high pressure nozzle and water supply line, and high pressure nozzle can directly aim at the inside of water distribution tank and sprays high pressure water flow, helps to remove the sludge adhered to the inner wall of water distribution tank, simplifies daily maintenance work, and prolongs the service life of equipment.

[0016] 4, the filter water tank device for sludge squeezing pool of the utility model passes through the interception and filtration of the filtrate containing sludge discharged from the plate-and-frame filter press, effectively improves sludge treatment work efficiency, and reduces the risk of sludge entering the squeezing pool and causing blockage or other mechanical failures.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0019] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0020] Fig. 2 It is the internal structure schematic diagram of the filter water tank body in the utility model.

[0021] Fig. 3The multi-layer filtering structure is a layered schematic diagram in the utility model.

[0022] In the drawings, the components represented by each reference numeral are listed as follows:

[0023] 100, filtering water tank body; 101, water distribution chamber; 101a, partition plate; 101b, water distribution tank; 101c, sewage outlet; 101d, control valve; 102, filtering chamber; 103, filter plate; 104, movable cover plate; 200, multi-layer filtering structure; 201, coarse filtering layer; 202, fine filtering layer; 203, precision filtering layer; 300, water inlet pipe; 400, water outlet pipe; 500, cleaning assembly; 501, high-pressure nozzle; 502, water supply pipeline. DETAILED DESCRIPTION

[0024] 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, rather than 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.

[0025] EMBODIMENT

[0026] Please refer to Figs. 1-3 The utility model discloses a kind of squeezing pool filtering water tank devices for sludge deep dehydration, including the filtering water tank body 100 of being installed at the entrance of sludge squeezing pool, it aims at intercepting and filtering the filtrate containing sludge discharged from plate-and-frame filter press, prevent sludge from entering squeezing pool and causing blockage or other mechanical failure, the filtering water tank body 100 inside is provided with water distribution chamber 101 and filtering chamber 102, the water distribution chamber 101 and filtering chamber 102 are separated by filter plate 103, the water distribution chamber 101 inside is separated to form several water distribution tanks 101b by partition plate 101a, one end of the partition plate 101a is fixed with filter plate 103, and the other end of the partition plate 101a is separated from the inner wall of water distribution chamber 101, each water distribution tank 101b can independently receive the filtrate flowing from water inlet pipe 300, and evenly distribute to filtering chamber 102 to filter;

[0027] The filtering chamber 102 inside is detachably provided with multi-layer filtering structure 200, the multi-layer filtering structure 200 includes coarse filtering layer 201, fine filtering layer 202 and precision filtering layer 203 from top to bottom in sequence, and the aperture of each layer of filter material gradually decreases, to ensure that sludge in filtrate is effectively removed.

[0028] Specifically, the filter plate 103 is provided with a cleaning assembly 500 on the side, the cleaning assembly 500 comprises a high-pressure nozzle 501 and a water supply pipeline 502, and the high-pressure nozzle 501 is correspondingly directed to the inside of the water distribution groove 101b. In order to facilitate maintenance and cleaning, the high-pressure nozzle 501 is supplied with water through the water supply pipeline 502, and the high-pressure nozzle 501 can directly spray high-pressure water flow into the inside of the water distribution groove 101b, thereby helping to remove the sludge attached to the inner wall of the water distribution groove 101b.

[0029] Further, the water distribution chamber 101 is connected with a water inlet pipe 300, the filter chamber 102 is connected with a water outlet pipe 400, the top of the filter water tank body 100 is provided with a movable cover plate 104, the movable cover plate 104 is connected with the filter water tank body 100 through a hinge, and the water distribution chamber 101 is provided with a sludge discharge port 101c at the corner, and a control valve 101d is arranged at the pipe outside the sludge discharge port 101c, so as to facilitate periodic discharge of accumulated sludge.

[0030] Working principle

[0031] The technical scheme utilizes a multi-stage filtering mechanism to gradually purify the filtrate containing sludge. When the filtrate enters the water distribution chamber 101 from the water inlet pipe 300, it is uniformly distributed into each water distribution groove 101b, and then enters the filter chamber 102 through the micropores on the filter plate 103. In the filter chamber 102, the filtrate passes through the coarse filter layer 201, the fine filter layer 202 and the precision filter layer 203 in sequence, each layer of filter material intercepts sludge of a certain particle size, and finally the relatively pure filtrate is discharged from the water outlet pipe 400. In the maintenance stage, the inside of the water distribution chamber 101 can be cleaned through the cleaning assembly 500, and the multi-layer filter structure 200 can also be taken out for cleaning and maintenance, and then installed and used again, so as to keep the system unblocked and high-efficiency operation.

[0032] In summary, the filter water tank device can significantly improve the stability and efficiency of the sludge treatment system. Through the effective filtering mechanism, the influence of sludge on the pressurized water tank and its auxiliary equipment is reduced, the risk of production interruption caused by equipment damage is reduced, and the maintenance cost and downtime are also greatly reduced.

[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A pressing water tank filtration device for deep dewatering of sludge, characterized in that, The utility model provides a filter water tank body (100) is installed to sludge pressurization pool entrance, the inside of filter water tank body (100) is provided with water distribution chamber (101) and filter chamber (102), water distribution chamber (101) and filter chamber (102) are separated by filter plate (103), the inside of water distribution chamber (101) is separated to form several water distribution tanks (101b) by partition (101a), and the inside of filter chamber (102) is detachably provided with multilayer filter structure (200), multilayer filter structure (200) includes coarse filter layer (201), fine filter layer (202) and precision filter layer (203) from top to bottom gradually, and the aperture of each layer filter material gradually reduces.

2. A pressurized lagoon filter raceway apparatus for dewatering sludge according to claim 1, wherein, Water distribution chamber (101) is connected with water inlet pipe (300), and filter chamber (102) is connected with water outlet pipe (400).

3. A pressurized lagoon filter raceway apparatus for dewatering sludge according to claim 1, wherein, The top of filter water tank body (100) is provided with movable cover plate (104), movable cover plate (104) is connected with filter water tank body (100) through hinge.

4. A pressurized lagoon filter raceway apparatus for dewatering sludge according to claim 1, wherein, The side of filter plate (103) is provided with cleaning assembly (500), cleaning assembly (500) includes high pressure nozzle (501) and water supply pipeline (502), and high pressure nozzle (501) is correspondingly directed to the inside of water distribution tank (101b).

5. A pressurized lagoon filter raceway apparatus for dewatering sludge according to claim 1, wherein, The corner of water distribution chamber (101) is provided with sewage outlet (101c), and control valve (101d) is arranged at the pipeline outside sewage outlet (101c).

6. A pressurized lagoon filter raceway apparatus for dewatering sludge according to claim 1, wherein, One end of partition (101a) is fixed with filter plate (103), and the other end of partition (101a) is separated from the inner wall of water distribution chamber (101).