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Integrated built-in anaerobic membrane bioreactor

An anaerobic membrane biological, built-in technology, used in anaerobic digestion treatment, biological water/sewage treatment, gas fuel, etc., can solve the problems of large temperature influence, low energy recovery rate, sludge loss, etc. Convenience, improved safety performance, and the effect of alleviating membrane fouling

Inactive Publication Date: 2017-08-29
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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Problems solved by technology

[0005] The present invention aims at the defects of sludge loss, low energy recovery rate, greater temperature influence and serious membrane pollution in the current domestic sewage treatment process in my country. The technical problem to be solved by the present invention is to provide a method to ensure the energy recovery rate of the reaction system Integrated built-in anaerobic membrane bioreactor for reducing membrane fouling

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  • Integrated built-in anaerobic membrane bioreactor
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  • Integrated built-in anaerobic membrane bioreactor

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Embodiment

[0030] refer to figure 1 , an integrated built-in anaerobic membrane bioreactor, comprising a reaction tank main body 9 and a PLC control system 14, the reaction tank main body 9 is provided with a homogeneous stirring paddle 4, an annular heater 5, and a hollow fiber membrane module 8, A liquid level controller 15 and a temperature sensor 6; a water inlet pipeline with a water inlet peristaltic pump 1 and a bottom drain outlet 2 are provided below the reaction tank main body 9; The water pipeline; the temperature sensor 6 , the hollow fiber membrane module 8 , and the liquid level controller 15 are all connected to the PLC control system 14 . The central part of the reaction tank main body 9 is provided with a central sampling port 7 .

[0031] It also includes an acid gas absorption bottle 13 which is located above the reaction tank main body 9 and is equipped with 0.1 mol / L sodium hydroxide solution.

[0032] The hollow fiber membrane module 8 is located in the middle of ...

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Abstract

The invention discloses an integrated built-in anaerobic membrane bioreactor including a reaction tank body and a PLC system. A homogenizing stirring blade, a circular heater, a hollow fiber membrane assembly, a liquid level controller and a temperature sensor are disposed in the reaction tank body. A water inlet pipeline, which has a water feeding peristaltic pump, and a bottom sewage draining outlet are arranged below the reaction tank body. The reaction tank body is also provided with a water outlet pipe having a water outlet peristaltic pump. The temperature sensor, the hollow fiber membrane assembly and the liquid level controller are all connected to the PLC system. The built-in anaerobic membrane bioreactor can prevent loss of excess sludge effectively and enrich microorganisms, is not liable to cause membrane contamination, can effectively recycle energy gas, has high safety, is easy to control, and is convenient to operate.

Description

technical field [0001] The invention relates to the technical field of urban domestic sewage treatment, in particular to an integrated built-in anaerobic membrane bioreactor. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] At present, the treatment method of domestic sewage in my country is mainly based on traditional aerobic biological treatment, which consumes a large amount of energy and produces residual sludge that is difficult to solve. Sludge will also cause serious secondary pollution to the environment. With the development of the concept of domestic sewage treatment as a resource, people began to re-evaluate reasonable urban domestic sewage treatment methods in order to build a reasonable and feasible urban domestic sewage treatment energy technology. Although the use of anaerobic biological technology to treat urban domestic sewage can o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28C10L3/10
CPCC02F3/2853C02F2209/005C02F2209/02C02F2209/03C10L3/102C10L2290/541Y02E50/30
Inventor 刘建伟栾昕荣周晓
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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