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Integrated type anaerobic membrane bioreactor capable of effectively lowering membrane pollution

An anaerobic membrane biology and membrane fouling technology, applied in anaerobic digestion treatment, biological water/sewage treatment, chemical instruments and methods, etc. The effect of reducing pollution, increasing flow and velocity

Active Publication Date: 2015-01-28
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides an integrated anaerobic membrane bioreactor that can effectively reduce membrane pollution in order to solve the problems of severe membrane pollution, high cleaning and renewal costs in the current technology combining anaerobic process and membrane separation.

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  • Integrated type anaerobic membrane bioreactor capable of effectively lowering membrane pollution

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specific Embodiment approach 1

[0019] Specific implementation mode one: combine figure 1 Describe this embodiment, this embodiment is an effective low membrane fouling integrated anaerobic membrane bioreactor, from the inside to the outside is the inner tube membrane module 1, the inner tube 2, the middle tube 3 and the outer tube 4, it also A three-phase separator 4-1, an outlet pipe 8, an air collecting pipe 9, an inlet pipe 5 and an outer cylinder return pipe 7 are provided, the three-phase separator 4-1 is arranged in the sedimentation area of ​​the outer cylinder 4, and the outlet pipe 8 and the inner cylinder membrane module The top of 1 is connected, the gas collecting pipe 9 is connected with the gas phase separation area of ​​the three-phase separator 4-1, the water inlet pipe 5 is connected with the bottom of the outer cylinder 4, and one end of the return pipe 7 of the outer cylinder is connected with the outer cylinder 4 and is located in the third Above the item separator 4-1, the other end of ...

specific Embodiment approach 2

[0027] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the distance between the bottom edge of the water inlet 2-1 of the inner cylinder and the inner wall of the middle cylinder 3 is less than 0.5-0.8 cm. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0028] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the lower part of the middle tube 3 is an inverted triangle. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses an integrated type anaerobic membrane bioreactor capable of effectively lowering membrane pollution and relates to the integrated type anaerobic membrane bioreactor, and aims at solving the problems of severe membrane pollution, high cleaning and renewal costs and the like in the traditional technology of combining the anaerobic process and membrane separation. The integrated type anaerobic membrane bioreactor capable of effectively lowering the membrane pollution comprises an inner cylinder membrane component, an inner cylinder, a middle cylinder and an outer cylinder from inside to outside and also comprises a three-phase separator, a water outlet pipe, a gas collection pipe, a water inlet pipe, an outer cylinder reflux pipe, an inner cylinder reflux pipe and an inner cylinder water inlet. With the adoption of the integrated type anaerobic membrane bioreactor, with integration of an external type anaerobic membrane reactor, the space occupied ratio is reduced, the device cost is lowered, and the operational process is simplified; meanwhile, with the design of adding the inner cylinder reflux pipe and an inverted horn mouth in the bottom of the inner cylinder, the period of the membrane pollution is effectively prolonged.

Description

technical field [0001] The invention relates to an anaerobic membrane bioreactor. Background technique [0002] Membrane bioreactor (Membrane Bio-Reactor, MBR) is a new type of sewage treatment process that combines traditional activated sludge process and membrane separation technology. The use of membrane replaces the traditional sedimentation tank to intercept microorganisms and macromolecules. The MBR process is widely used in urban sewage treatment, refractory industrial wastewater treatment, drinking water treatment, etc. [0003] According to the type of membrane module and coupled reactor, it can be divided into aerobic MBR and anaerobic MBR. In the sewage treatment process, the aeration process of aerobic MBR consumes a lot of energy; compared with the aerobic biological method, the anaerobic MBR technology has the advantages of low energy consumption, energy gas methane generation, high organic load and low pollution. Mud production and other advantages. From th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28
CPCC02F3/2853C02F3/2873
Inventor 高大文李玥
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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