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External membrane bioreactor system for sewage treatment and method thereof

A membrane bioreactor, membrane reactor technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of high energy consumption, high energy consumption and difficult cleaning. Oxygen supply and other problems, to achieve the effect of maintaining membrane flux, cheap manufacturing, and removing membrane pollution

Inactive Publication Date: 2007-09-26
广州美能材料科技有限公司
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AI Technical Summary

Problems solved by technology

The membrane bioreactor system can be moved manually without hoisting or complicated and expensive positioning system, and the manufacturing price is cheap; at the same time, it also solves the problem of high energy consumption for transportation, high energy consumption for purging and when it is applied to high sludge concentration. Defects such as difficulty in supplying oxygen

Method used

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  • External membrane bioreactor system for sewage treatment and method thereof
  • External membrane bioreactor system for sewage treatment and method thereof
  • External membrane bioreactor system for sewage treatment and method thereof

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Embodiment Construction

[0076] Referring to Figures 3-8, an external membrane bioreactor system of the present invention,

[0077] It includes aeration tank 1 and membrane module 2;

[0078] The aeration tank 1 includes a sewage inlet 10, a mixed anoxic section 11, a submersible thruster 12, a partition wall 13, an aerobic section 14, a water delivery pipe 15 and an aerator 16; Two partition walls 13, the partition wall 13 divides the aeration tank 1 into a mixed hypoxic section 11 and an aerobic section 14; the partition wall 13 between the mixed hypoxic section 11 and the aerobic section 14 is provided with a diving propulsion The submersible propeller 12 transports sewage from the mixed anoxic section 11 to the aerobic section 14; the aerobic section 14 is provided with an aerator 16 which is connected to an external air source;

[0079] The membrane module 2 includes a box housing 21 and a separation membrane 22; a sludge return pipe 23 is provided on the upper side of the box housing 21 of the membr...

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Abstract

The invention discloses a external membrane biological reactor system, which comprises the following steps: including aero-tank and film component; making aero-tank include waste water feed inlet, mixed anoxia section, diving impeller, dividing wall, aerobic section, conveying water pipe and aerated pipe; making film component include box shell and separating film; setting sludge return pipe on the side upper of box shell; connecting with mixed anoxia section of aero-tank; setting filtering medium outlet on the top of box shell; setting blow pipe inlet port and waste water inlet port on the bottom of shell; external connecting air supply with blow pipe inlet port; interconnecting waste water inlet with aerobic section conveying pipe; making separating film with hollow fiber film fibril. This reactor system can remove by man and does not need overhang with cheap cost.

Description

Technical field [0001] The invention relates to a sewage treatment equipment and a sewage treatment method thereof, in particular to an external membrane bioreactor system for sewage treatment and a sewage treatment method thereof. Background technique [0002] Since the 1970s, membrane bioreactors have been used in sewage treatment projects. Membrane bioreactor has found an opportunity for the combination and development of traditional biochemistry and membrane filtration, and has shown its strong vitality in the market. Therefore, it has gradually been widely used in the field of domestic sewage and industrial wastewater treatment. [0003] At present, there are two main forms of membrane bioreactors in the market: submerged membrane bioreactors and external membrane bioreactors. The basic working method is as follows: [0004] Domestic sewage or industrial sewage needs to be pretreated before entering the membrane bioreactor system. For domestic sewage, it is mainly to remove ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/12C02F3/10C02F3/02C02F3/30
CPCY02W10/10
Inventor 谢檬
Owner 广州美能材料科技有限公司
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