Small-sized MABR (Membrane Aerated Baffled Reactor) aquaculture tail water aeration treatment device

Abstract

The utility model discloses a small MABR (Membrane Aerated Baffled Reactor) aeration treatment culture tail water device, which relates to the technical field of sewage treatment and mainly comprises a water tank, a column type MABR membrane component, a support snap ring and a bottom support, a water inlet is formed in the upper part of the water tank, a water outlet is formed in the lower part of the water tank, and the column type MABR membrane component is arranged in the water tank; and the bottom of the column type MABR membrane assembly is fixed on the bottom support through a support clamping ring. The column type MABR membrane assembly is immersed in water, pollutants are efficiently treated in a unique aeration mode of the MABR technology, effluent can return to an aquaculture pond for recycling after being subjected to precipitation and filtration treatment, and safe, reliable and low-cost operation of aquaculture tail water is achieved. The device has the advantages of being good in aeration effect, simple, convenient and flexible to install, simple to maintain and manage, capable of being used in series-parallel connection and the like.

Description

Technical Field

[0001] The utility model discloses a small-sized MABR aeration device for treating aquaculture tail water, and relates to the technical field of sewage treatment. Background Art

[0002] Pond aquaculture is the main form of freshwater aquaculture in my country, and the recycling of aquaculture tailwater has received more and more attention. In order to make aquaculture continue, purification modules are generally set up to realize ecological treatment of multiple systems with different functions, so that aquaculture tailwater can be purified, thereby achieving the recycling of water resources, meeting the needs of green circular economy, energy conservation and emission reduction, and being conducive to "carbon peak" and "carbon neutrality". For some small aquaculture water bodies, the water consumption is not large, and the amount of tailwater generated is not large. The treatment device needs to be flexibly arranged and easy to install. According to the characteristics of water use in small-scale aquaculture, the existing tailwater collection system is used to design an aeration treatment device that is easy to install and has relatively good treatment effect. Utility Model Content

[0003] In view of the above requirements, the utility model provides a small-scale MABR aeration treatment aquaculture tail water device, which utilizes the unique aeration method and efficient treatment of pollutants of MABR technology, makes the MABR membrane component into a column type, and simultaneously installs the supporting structure. After aeration treatment, it can be returned to the aquaculture pond for recycling through sedimentation and filtration treatment, thereby realizing safe, reliable and low-cost operation of aquaculture tail water and improving the utilization rate of aquaculture circulating water.

[0004] The utility model is realized by the following technical solutions:

[0005] A small-scale MABR aeration device for treating aquaculture tailwater, characterized in that it is mainly composed of a water tank, a columnar MABR membrane assembly, a support clamp ring and a bottom support, a water inlet is arranged at the top of the water tank, a water outlet is arranged at the bottom, the columnar MABR membrane assembly is installed inside the water tank, and the bottom of the columnar MABR membrane assembly is fixed to the bottom support through a support clamp ring;

[0006] The columnar MABR membrane assembly is composed of an air inlet, a diameter-changing member, an upper end shell, a skeleton support, a MABR hollow fiber membrane, a lower end shell, an upper seal and a lower seal; one end of the skeleton support is connected to the upper end shell, and the other end is connected to the lower end shell; the air inlet is fixed to the diameter-changing member, and the diameter-changing member is connected to the upper end shell; the upper seal and the lower seal seal the MABR hollow fiber membrane in the upper end shell and the lower end shell respectively;

[0007] The support clamp ring is composed of a clamp ring and a wing plate, and the wing plate is fixed on the bottom support;

[0008] The bottom support is composed of a transverse support and a vertical support, and the transverse support is a slot type; the wing plate of the support snap ring is fixed in the slot type transverse support.

[0009] Preferably, there are 4 skeleton supports in one columnar MABR membrane assembly.

[0010] Preferably, the diameter of the end of the columnar MABR membrane assembly is smaller than the diameter of the water inlet at the top of the water tank.

[0011] Preferably, the air inlet connecting pipe of the upper end shell of the columnar MABR membrane assembly is connected to the water inlet of the water tank.

[0012] Preferably, the bottom support is made of the same material as the water tank, and the bottom support is manufactured at the same time as the water tank is manufactured.

[0013] The utility model is a small MABR aeration treatment aquaculture tailwater device, which uses columnar MABR membrane components immersed in the water body. The MABR technology has a unique aeration method and efficient treatment of pollutants. The effluent can be returned to the aquaculture pond for recycling after sedimentation and filtration, realizing safe, reliable and low-cost operation of aquaculture tailwater. The utility model has the advantages of good aeration effect, simple and flexible installation, simple maintenance and management, and series and parallel use between devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a structural schematic diagram of the utility model.

[0015] Attached Figure 2 It is a schematic diagram of the three-dimensional structure of the columnar MABR membrane assembly of the utility model.

[0016] Attached Figure 3 This is a schematic diagram of the structure of the columnar MABR membrane assembly of the utility model.

[0017] Attached Figure 4 It is a schematic diagram of the top view structure of the support clamp ring of the utility model.

[0018] Attached Figure 5 It is a schematic diagram of the front view structure of the bottom support of the utility model.

[0019] In the figure: 1. Column MABR membrane assembly, 101. Air inlet, 102. Variable diameter conversion part, 103. Upper end shell, 104. Skeleton support, 105. MABR hollow fiber membrane, 106. Lower end shell, 107. Upper seal, 108. Lower seal, 2. Water tank, 201. Water inlet, 202. Water outlet, 3. Support clamp, 301. Clamp, 302. Wing plate, 4. Bottom support, 401. Horizontal support, 402. Vertical support. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects of the utility model easy to understand, please refer to Figure 1-Figure 5, the utility model is further explained below in conjunction with specific implementation methods.

[0021] A small-scale MABR aeration device for treating aquaculture tailwater is mainly composed of a water tank 2, a columnar MABR membrane assembly 1, a support clamp ring 3 and a bottom support 4. The water tank 2 is provided with a water inlet 201 at the top and a water outlet 202 at the bottom. The columnar MABR membrane assembly 1 is installed inside the water tank 2. The bottom of the columnar MABR membrane assembly 2 is fixed on the bottom support 4 through the support clamp ring 3. The columnar MABR membrane assembly 1 is composed of an air inlet 101, a diameter-changing member 102, an upper end shell 103, a skeleton support 104, a MABR hollow fiber membrane filament 105, a lower end shell 106, an upper seal 107 and a lower seal 108. One end of the frame support 104 is connected to the upper shell 103, and the other end is connected to the lower shell 106; the air inlet 101 is fixed to the reducer 102, and the reducer 102 is connected to the upper shell 103; the upper seal 107 and the lower seal 108 seal the MABR hollow fiber membrane 105 inside the upper shell 103 and the lower shell 106 respectively; the support clamp 3 is composed of a clamp 301 and a wing plate 302, and the wing plate 302 is fixed on the bottom support 4; the bottom support 4 is composed of a horizontal support 401 and a vertical support 402, and the horizontal support 401 is a slot type; the wing plate 302 of the support clamp 3 is fixed in the slot-type horizontal support 401.

[0022] Among them, there are 4 skeleton supports 104 in a columnar MABR membrane assembly 1; the diameter of the end of the columnar MABR membrane assembly 1 is smaller than the diameter of the upper water inlet 201 of the water tank 2; the air inlet 101 connecting pipe of the upper shell 103 of the columnar MABR membrane assembly 1 is connected to the water inlet 201 of the water tank 2; the bottom support 4 is made of the same material as the water tank 2, and the bottom support 4 is made at the same time when the water tank 2 is manufactured, and the vertical support 402 of the bottom support 4 is directly fixed on the bottom of the water tank 2, and the horizontal support 401 is fixed on the side wall of the water tank 2.

[0023] Embodiment 1: The diameter of the water inlet 201 at the upper part of the water tank 2 is 100 mm larger than the diameter of the end of the columnar MABR membrane assembly 1. The body of the water tank 2 is cylindrical, and the diameter of the cylinder is 200 mm larger than the water inlet of the water tank 2. 400 MABR hollow fiber membranes 105 are arranged in one columnar MABR membrane assembly 1. The diameter of the water outlet 202 of the water tank 2 can be 50-100 mm smaller than the diameter of the water inlet 201.

[0024] The device composed of the above structure can be used alone, and can be used in series to ensure water quality indicators; when the water inlet volume is large, it can be used in series and parallel.

[0025] The above embodiments are only for explaining the technical concept and features of the utility model, and their purpose is to enable ordinary technicians in the field to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and concept of the utility model within the technical scope of the utility model, which should be covered by the protection scope of the utility model.

Claims

1. A small-scale MABR aeration treatment aquaculture tailwater device, characterized by: It is mainly composed of a water tank, a columnar MABR membrane assembly, a support clamp and a bottom support. The water inlet is arranged at the top of the water tank and the water outlet is arranged at the bottom. The columnar MABR membrane assembly is installed inside the water tank, and the bottom of the columnar MABR membrane assembly is fixed to the bottom support through a support clamp. The columnar MABR membrane assembly is composed of an air inlet, a diameter-changing member, an upper end shell, a skeleton support, a MABR hollow fiber membrane, a lower end shell, an upper seal and a lower seal; one end of the skeleton support is connected to the upper end shell, and the other end is connected to the lower end shell; the air inlet is fixed to the diameter-changing member, and the diameter-changing member is connected to the upper end shell; the upper seal and the lower seal seal the MABR hollow fiber membrane in the upper end shell and the lower end shell respectively; The support clamp ring is composed of a clamp ring and a wing plate, and the wing plate is fixed on the bottom support; The bottom support is composed of a transverse support and a vertical support, and the transverse support is a slot type; the wing plate of the support snap ring is fixed in the slot type transverse support.

2. The small-scale MABR aeration treatment aquaculture tailwater device according to claim 1 is characterized in that: The columnar MABR membrane assembly has four skeleton supports.

3. The small-scale MABR aeration treatment aquaculture tailwater device according to claim 1 is characterized in that: The diameter of the end of the columnar MABR membrane assembly is smaller than the diameter of the water inlet at the upper part of the water tank.

4. The small-scale MABR aeration treatment aquaculture tailwater device according to claim 1 is characterized in that: The air inlet connecting pipe of the upper end shell of the columnar MABR membrane assembly is connected to the water inlet of the water tank.

5. The small-scale MABR aeration treatment aquaculture tailwater device according to claim 1 is characterized in that: The bottom support is made of the same material as the water tank, and the bottom support is made at the same time as the water tank is made.

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