Novel MABR (Membrane Aerated Baffled Reactor) membrane assembly for sewage treatment

By combining the upper and lower layers of MABR bubble-free aeration membrane components with water treatment fillers, the problem of MABR membrane components being unsuitable for use in shallow water pools is solved, achieving efficient pollutant removal and biofilm stability, with strong adaptability and easy installation.

CN223458177UActive Publication Date: 2025-10-21TIANJIN HYDROKING SCI & TECH
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Patent Information

Application Number
CN202422867795.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-21
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing MABR membrane components are not suitable for use in shallow water pools. The biofilm grows too thick and needs to be replaced frequently, and there is a lack of effective means to degrade pollutants.

Method used

The MABR bubble-free aeration membrane components are combined with water treatment fillers to form an upper and lower layer structure, and the MABR microporous aeration membrane components are used for purging and biofilm carriers to achieve joint treatment of pollutants.

Benefits of technology

It improves the adaptability and efficiency of sewage treatment, is easy to install, is suitable for different water depth environments, reduces the frequency of biofilm replacement, and enhances the ability to remove pollutants.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel MABR (Membrane Aerated Baffled Reactor) membrane component for sewage treatment, which relates to the technical field of sewage treatment and mainly comprises a membrane component frame, an MABR bubble-free aeration membrane component, water treatment filler, an MABR microporous aeration membrane component, an air supply communicating pipe, a control valve and an air inlet, the MABR bubble-free aeration membrane component and the water treatment filler are arranged at an interval and fixed on the membrane component frame, and the air supply communicating pipe is communicated with the control valve and the air inlet. Three layers of supporting frames are arranged at the bottom of the membrane assembly frame, the MABR microporous aeration assembly is placed at the bottom of the membrane assembly frame, the air inlet is formed in the top of the membrane assembly frame, and the air supply communicating pipe and the control valve are arranged at the bottom of the membrane assembly frame. According to the utility model, the MABR bubble-free aeration membrane assembly and the water treatment filler are arranged at intervals, the MABR microporous aeration membrane assembly is arranged below, and pollutants in water are removed under the combined action of a microbial membrane on the surface of the MABR membrane and a microbial membrane on the surface of the water treatment filler. The device provided by the utility model has the advantages of strong comprehensive treatment adaptability, adjustable installation height, high integration level, instant throwing and releasing, convenience in operation and the like.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field relates to a novel sewage treatment MABR membrane module. BACKGROUND

[0002] Membrane aeration biofilm reactor (MABR) is a new type of sewage treatment technology combining gas membrane technology and biofilm technology, and its core part includes oxygen permeable membrane and biofilm. The biofilm grows on the outer surface of the oxygen permeable membrane, and oxygen permeates the membrane wall to directly supply oxygen to the biofilm. Organic matter and nitrogen in sewage are adsorbed and decomposed by the biofilm, so that the sewage is purified.

[0003] The patent CN202220983630.5 mentions a "sewage treatment combined MABR membrane module" for combined use of MABR membrane modules, which is not suitable for use in some shallow pool bodies. The longer the biofilm grows on the outer surface of the MABR membrane module, the more it needs to be regularly cleaned to prevent the biofilm from growing too thick. During use, other membrane modules can be used for replacement in this patent. In view of the above problems, a new type of MABR combined membrane module needs to be developed for use in shallow water sewage treatment equipment in series or parallel. UTILITY MODEL CONTENT

[0004] The utility model aims at a new type of sewage treatment MABR membrane module, which combines MABR membrane modules with water treatment fillers to form an upper membrane module by combining MABR bubbleless aeration membrane modules with water treatment fillers, and sets MABR microporous aeration membrane modules at the bottom of the lower layer. The MABR microporous aeration membrane modules are used to regularly blow the MABR bubbleless aeration membrane modules, and can also be used as a carrier for degrading pollutants to realize combined treatment of pollutants and improvement of water quality.

[0005] The utility model is implemented through the following technical solutions:

[0006] A new type of sewage treatment MABR membrane module, characterized by mainly comprising a membrane module frame, a MABR bubbleless aeration membrane module, water treatment fillers, a MABR microporous aeration membrane module, a gas supply communication pipe, a control valve and an air inlet, the MABR bubbleless aeration membrane module and the water treatment fillers are arranged at intervals, and are fixed on the membrane module frame. The bottom of the membrane module frame is provided with three layers of support frames, and the MABR microporous aeration modules are placed on each layer of support frame. The air inlet is arranged at the top of the membrane module frame. The bottom of the membrane module frame is provided with the gas supply communication pipe and the control valve. One end of the gas supply communication pipe is connected to the vertical support of the membrane module frame, and the other end is connected to the bottom gas supply pipe. The control valve is arranged near the vertical support end of the membrane module frame.

[0007] Preferably, the MABR bubbleless aeration membrane modules and the water treatment fillers are arranged in rows at intervals.

[0008] Preferably, the number of the MABR bubble-free aeration membrane components and water treatment fillers is set to 16 or more groups.

[0009] Preferably, the MABR microporous aeration membrane assembly is fixed on a support frame at the bottom of the membrane assembly frame, with 4 groups or more arranged on each layer.

[0010] Preferably, the MABR microporous aeration membrane assembly uses MABR microporous aeration membrane fibers, which have good biofilm carriers and can transmit oxygen outward at the same time.

[0011] Preferably, air is fed into one end of the MABR microporous aeration membrane assembly, the MABR microporous aeration membrane assemblies are connected by a connecting branch pipe, one end of the bottom air supply pipe is connected to the air supply connecting pipe, and the other end is connected to the connecting branch pipe between the MABR microporous aeration membrane assemblies, and the ends of the MABR microporous aeration membrane assemblies connected in series are sealed with a cap.

[0012] Preferably, the total height of the membrane assembly rack is 1m-3m, and the interval height of the bottom support rack is 100mm-200mm.

[0013] This utility model describes a novel MABR membrane module for sewage treatment. It combines a MABR bubble-free aeration membrane module, a water treatment filler, and a MABR microporous aeration membrane module, which are fixed to a membrane module frame. The MABR bubble-free aeration membrane module and the water treatment filler are spaced apart, and the MABR microporous aeration membrane module is positioned below the MABR bubble-free aeration membrane module and the water treatment filler, forming an integrated module. The microbial membranes on the MABR membrane surface and the microbial membranes on the water treatment filler work together to remove pollutants from the water. This utility model offers advantages such as strong adaptability for comprehensive treatment, adjustable installation height, high integration, ready-to-use deployment, and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attachment Fig. 1 This is a front view structural diagram of the utility model.

[0015] Attachment Fig. 2 It is a left-side structural schematic diagram of the utility model.

[0016] Attachment Fig. 3 This is a schematic diagram of the three-dimensional structure of the membrane assembly frame of the present utility model.

[0017] Attachment Fig. 4 This is a schematic diagram of the bottom MABR microporous membrane component layer of the utility model.

[0018] In the figure: 1, membrane module frame, 2, MABR bubbleless aeration membrane module, 3, water treatment filler, 4, MABR microporous aeration membrane module, 401, MABR microporous aeration membrane wire, 402, connecting branch pipe, 403, bottom gas supply pipe, 404, sealing cap, 5, gas supply communication pipe, 6, control valve, 7, gas inlet. DETAILED DESCRIPTION

[0019] Combination Figs. 1 to 4 The MABR membrane module for sewage treatment is further described as follows:

[0020] The MABR membrane module for sewage treatment mainly comprises a membrane module frame 1, a MABR bubbleless aeration membrane module 2, a water treatment filler 3, a MABR microporous aeration membrane module 4, a gas supply communication pipe 5, a control valve 6 and a gas inlet 7, the MABR bubbleless aeration membrane module 2 and the water treatment filler 3 are arranged in intervals and fixed on the membrane module frame 1, three layers of support frames are arranged at the bottom of the membrane module frame 1, the MABR microporous aeration module 3 is placed on each layer of support frame, the gas inlet 7 is arranged at the top of the membrane module frame 1, the gas supply communication pipe 5 and the control valve 6 are arranged at the bottom of the membrane module frame 1, one end of the gas supply communication pipe 5 is connected to the vertical support of the membrane module frame 1, and the other end is connected to the bottom gas supply pipe 403, and the control valve 6 is arranged at the end close to the vertical support of the membrane module frame 1.

[0021] The MABR bubbleless aeration membrane module 2 and the water treatment filler 3 are arranged in intervals in a row; the MABR microporous aeration membrane module 3 is fixed on the support frame at the bottom of the membrane module frame 1; the MABR microporous aeration membrane module 3 selects the MABR microporous aeration membrane wire 401, which has a good biological membrane carrier and simultaneously transmits oxygen outward; one end of the MABR microporous aeration membrane module 3 is provided with a gas inlet, the MABR microporous aeration membrane modules 3 are connected through the connecting branch pipes 402, one end of the bottom gas supply pipe 403 is connected to the gas supply communication pipe 5, and the other end is connected to the connecting branch pipes 402 between the MABR microporous aeration membrane modules 3, and the end of the MABR microporous aeration membrane module 3 in series is sealed by the sealing cap 404.

[0022] In example 1, the MABR bubbleless aeration membrane module 2 and the water treatment filler 3 are arranged in intervals in a row, the number of the MABR bubbleless aeration membrane modules is set to 8 groups, a total of 64, the water treatment fillers are arranged in a single row in 9 groups, a total of 90, the bottom MABR microporous aeration membrane modules are arranged in 3 layers, and the number of the modules in each layer is set to 10, the total height of the membrane module frame 1 is set to 1.5 m, the interval height of the support frames at the bottom is 100 mm, and the height of the MABR bubbleless aeration membrane module and the water treatment filler is set to 1 m.

[0023] The MABR membrane assembly is suitable for being used in a pool or water body with a water depth of more than 1.8 m. The MABR membrane assembly can be used in an integrated device or a pool with a shallow water depth, and two or more MABR membrane assemblies are used in series or in parallel, and the installation is ready to use, which is flexible and convenient.

[0024] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A novel MABR membrane module for wastewater treatment characterized in that: The utility model relates to a water treatment device, which is mainly composed of a membrane module frame, a MABR bubbleless aeration membrane module, water treatment filler, a MABR microporous aeration membrane module, a gas supply communication pipe, a control valve and a gas inlet.

2. The novel MABR membrane module for wastewater treatment according to claim 1, characterized in that: The MABR bubbleless aeration membrane module and the water treatment filler are arranged in rows and at intervals.

3. The novel MABR membrane module for wastewater treatment according to claim 1, characterized in that: The number of the MABR bubbleless aeration membrane module and the water treatment filler is 16 or more.

4. The novel MABR membrane module for wastewater treatment according to claim 1, characterized in that: The MABR microporous aeration membrane module is fixed on the support frame at the bottom of the membrane module frame, and the number of the MABR microporous aeration membrane module on each layer is 4 or more.

5. The novel MABR membrane module for wastewater treatment as claimed in claim 1, wherein: One end of the MABR microporous aeration membrane module is connected to the gas supply communication pipe, and the other end is connected to the connecting branch pipe between the MABR microporous aeration membrane modules.

6. The novel MABR membrane module for wastewater treatment as claimed in claim 1, wherein: The total height of the membrane module frame is 1-3 m, and the interval height of the support frames at the bottom is 100-200 mm.

Citation Information

Patent Citations

  • Combined MABR membrane assembly for sewage treatment

    CN217600463U