Domestic sewage oxidation treatment device

Abstract

The utility model discloses a domestic sewage oxidation treatment device which comprises a box body, filter membrane components, a first bracket, a second bracket, a lifting device, a first aeration pipe and a liquid discharge pipe, the first bracket is positioned in the center of the interior of the box body, the filter membrane components are arranged on the first bracket at intervals, the liquid discharge pipe is respectively communicated with the filter membrane components, and the lifting device is arranged on the first aeration pipe. The second support is located in the middle of the filter membrane assembly, a first brush and a second brush are arranged on the second support, the first brush and the second brush are located in a gap formed by the filter membrane assembly, and the first brush and the second brush are located on the two sides of the filter membrane assembly respectively. Bristles of the first brush and bristles of the second brush face the filter membrane assembly, and the lifting device drives the second support to move up and down. According to the utility model, the problem of blockage caused by adhesion of bacterial membranes and grease on the filter membrane component is solved, and the service life of equipment is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a domestic wastewater oxidation treatment device. Background Technology

[0002] Membrane bioreactors (MBRs) are biochemical reaction systems that integrate membrane separation technology and the biodegradation function of bioreactors. They are playing an increasingly important role in the wastewater treatment industry. In the wastewater treatment process, aeration at the bottom of the filter membrane module is used to improve oxidation treatment efficiency, while the agitation of the filter membrane prevents activated sludge from clogging the filter pores. Patent 202221765519.5 discloses an MBR membrane bioreactor that further improves wastewater treatment efficiency by continuously changing the aeration position. However, while bubbles are effective at removing large particles such as sludge adhering to the filter membrane, they are less efficient at treating oils, bacteria, and other substances on the membrane, and the filter membrane still has a significant risk of clogging. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a domestic sewage oxidation treatment device that avoids clogging problems and extends the service life of the equipment.

[0004] The objective of this utility model is achieved through the following technical solution: a domestic sewage oxidation treatment device, comprising a housing, a filter membrane assembly, a first support, a second support, a lifting device, a first aeration pipe, and a drain pipe. The first support is located at the center inside the housing. The filter membrane assemblies are spaced apart on the first support. The drain pipe is connected to each filter membrane assembly. The second support is located in the middle of the filter membrane assembly. A first brush and a second brush are provided on the second support. The first brush and the second brush are located within the gap formed by the filter membrane assemblies. The first brush and the second brush are located on opposite sides of the filter membrane assembly. The bristles of the first brush and the second brush face the filter membrane assembly. The lifting device drives the second support to move up and down.

[0005] Furthermore, the first brush and the second brush are staggered vertically.

[0006] Furthermore, the second support is provided with a second aeration pipe, and the second aeration pipe is provided with a plurality of aeration branch pipes. The aeration branch pipes are located within the gaps formed by the filter membrane assembly, and the aeration branch pipes are provided with horizontally oriented aeration holes.

[0007] Furthermore, the aeration branch pipe is located vertically between the first brush and the second brush.

[0008] Furthermore, the lifting device includes a servo motor, a sprocket, and a chain. The second bracket is fixedly connected to the chain, and the servo motor drives the sprocket to rotate forward and backward, thereby causing the second bracket to move up and down.

[0009] This invention has the following advantages: By setting a first brush and a second brush that move up and down on the filter membrane assembly, the adhering bacterial film and grease can be cleaned in time, avoiding the problem of filter membrane assembly clogging and extending the service life of the equipment; the staggered arrangement of the first brush and the second brush increases the swing amplitude of the filter membrane assembly, further improving the cleaning effect on sludge; at the same time, the horizontal bubbles sprayed from the aeration branch pipe, together with the bubbles sprayed from the first aeration pipe at the bottom, can further improve the cleaning effect on impurities in the filter membrane assembly and the anti-clogging ability; the chain and sprocket transmission method has a simple structure, low failure rate, and low cost, making it more suitable for high-humidity environments such as sewage treatment. Attached Figure Description

[0010] Figure 1 This is a schematic cross-sectional view of the overall structure of this utility model;

[0011] Figure 2 This is a schematic diagram of the left-side structure of this utility model.

[0012] In the diagram, 1 is the housing; 2 is the first support; 3 is the filter membrane assembly; 4 is the drain pipe; 5 is the first aeration pipe; 6 is the second support; 7 is the first brush; 8 is the second brush; 9 is the sprocket; 10 is the chain; 11 is the servo motor; 12 is the second aeration pipe; and 13 is the aeration branch pipe. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0014] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0015] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] like Figure 1 , Figure 2 As shown, a domestic sewage oxidation treatment device includes a housing 1, a filter membrane assembly 3, a first support 2, a second support 6, a lifting device, a first aeration pipe 5, and a drain pipe 4. The housing 1 is a cubic structure with an open top. The first support 2 is located at the center of the housing 1. The first support 2 and the filter membrane assembly 3 are both existing membrane bioreactor (MBR) structures and are no different. The filter membrane assemblies 3 are spaced apart on the first support 2. The drain pipe 4 is connected to each filter membrane assembly 3, and a pump is installed at the end of the drain pipe 4 for drainage. The first aeration pipe 5 is installed on the first support 2 and located below the filter membrane assembly 3. The second support 6 is a frame structure and is fitted over the filter membrane assembly 3. The second support 6 is located in the middle of the filter membrane assembly 3, and multiple first brushes 7 and second brushes 8 are installed on the second support 6. The second aeration pipe 12 has multiple aeration branch pipes 13 installed on it. The first brush 7 and the second brush 8 are long rod-shaped brush structures. The aeration branch pipes 13, the first brush 7, and the second brush 8 are all located within the gap formed by the filter membrane assembly 3. The first brush 7 and the second brush 8 are located on both sides of the filter membrane assembly 3, with the bristles of the first brush 7 and the second brush 8 facing the filter membrane assembly 3. The first brush 7 is fixedly installed above the aeration branch pipe 13, and the second brush 8 is fixedly installed below the aeration branch pipe 13, so that the two are staggered vertically. The second aeration pipe 12 and the aeration branch pipes 13 form a claw-shaped structure and are fixedly installed on the second bracket 2. Each aeration branch pipe 13 has horizontally oriented aeration holes, so that the aeration branch pipe 13 sprays horizontal bubbles toward the filter membrane assembly 3.

[0017] The lifting device uses two servo motors 11, four sprockets 9, two chains 10, and two fixed support plates. The two sprockets 9 and the chains 10 are mounted on the fixed support plates. The output end of the servo motor 11 is fixedly connected to the sprockets 9 to drive the chains 10 to rotate. A connecting block is installed on the side of the second bracket 6. One end of the connecting block is fixedly connected to a small section of the chain 10, and the other end of the connecting block is fixedly connected to the second bracket 6. The servo motor 11 drives the sprockets 9 to rotate forward and backward, thereby causing the second bracket 6 to move up and down.

[0018] The working principle of this invention is as follows: The lifting device drives the second support to move up and down. The first and second brushes installed on the second support can adsorb and remove the bacterial film and grease adhering to the filter membrane assembly during the up and down movement. The first and second brushes are staggered and installed on the aeration branch pipe. During the up and down movement, the filter membrane assembly can swing in a serpentine manner, increasing the vibration amplitude of the filter membrane assembly and improving the sludge removal effect. At the same time, horizontal bubbles can be sprayed from the aeration branch pipe, so that the bubbles can further clean other adsorbed impurities during the serpentine swing of the filter membrane assembly. The combination of the two greatly avoids the problem of filter membrane assembly clogging. The lifting device is preferably driven by a chain and sprocket, which has stronger corrosion resistance than the cylinder and screw drive structure. It can avoid frequent failures caused by equipment rust in high-humidity environments such as sewage treatment, and reduce the operating cost.

[0019] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A domestic sewage oxidation treatment device, characterized in that: The device includes a housing (1), a filter membrane assembly (3), a first support (2), a second support (6), a lifting device, a first aeration pipe (5), and a drain pipe (4). The first support (2) is located at the center inside the housing (1). The filter membrane assemblies (3) are spaced apart on the first support (2). The drain pipe (4) is connected to the filter membrane assemblies (3). The second support (6) is located in the middle of the filter membrane assembly (3). The second support (6) is provided with a first brush (7) and a second brush (8). The first brush (7) and the second brush (8) are located in the gap formed by the filter membrane assembly (3). The first brush (7) and the second brush (8) are located on both sides of the filter membrane assembly (3). The bristles of the first brush (7) and the second brush (8) are facing the filter membrane assembly (3). The lifting device drives the second support (6) to move up and down.

2. The domestic sewage oxidation treatment device according to claim 1, characterized in that: The first brush (7) and the second brush (8) are staggered vertically.

3. The domestic sewage oxidation treatment device according to claim 2, characterized in that: The second support (6) is provided with a second aeration pipe (12), and the second aeration pipe (12) is provided with a plurality of aeration branch pipes (13). The aeration branch pipes (13) are located in the gap formed by the filter membrane assembly (3), and the aeration branch pipes (13) are provided with horizontally oriented aeration holes.

4. The domestic sewage oxidation treatment device according to claim 3, characterized in that: The aeration branch pipe (13) is located vertically between the first brush (7) and the second brush (8).

5. The domestic sewage oxidation treatment device according to claim 1, characterized in that: The lifting device includes a servo motor (11), a sprocket (9), and a chain (10). The second bracket (6) is fixedly connected to the chain (10). The servo motor (11) drives the sprocket (9) to rotate forward and backward, thereby driving the second bracket (6) to move up and down.

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