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External membrane bioreactor system for sewage treatment and method thereof

A membrane bioreactor, external technology, applied in the direction of biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the energy consumption of high energy consumption, difficulty in oxygen supply and purging Advanced problems, to achieve the effect of maintaining membrane flux, cheap manufacturing, and removing membrane fouling

Inactive Publication Date: 2009-10-28
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] see Figure 3-8 As shown, the present invention is an external membrane bioreactor system,

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

[0078] The aeration tank 1 includes a sewage feed port 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 anoxic section 11 and an aerobic section 14; A device 12, the submersible propeller 12 transports the sewage from the mixed anoxic section 11 to the aerobic section 14; the aerator 16 is arranged in the aerobic section 14, and the aerator 16 is externally connected to an air source;

[0079]The membrane module 2 includes a box shell 21 and a separation membrane 22; a sludge return pipe 23 is provided above the box shell 21 of the membrane module 2, and the sludge return pipe 23 is mixed with the aeration tank anoxic section 11 Th...

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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 sewage treatment equipment and a method for treating sewage, in particular to an external membrane bioreactor system for sewage treatment and a method for treating sewage. 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 more and more widely used in the field of domestic sewage and industrial wastewater treatment. [0003] At present, the application of membrane bioreactors in the market mainly has two forms: submerged membrane bioreactors and external membrane bioreactors. Its basic working method is as follows: [0004] Domestic sewage or industrial sewage first needs to be pretreated before entering the membrane bioreactor system. For domestic sew...

Claims

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Application Information

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Patent Type & Authority Patents(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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