Baffling anaerobic reactor and sewage treatment unit applying the same

A sewage treatment device, baffled anaerobic technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. Problems such as increased mud concentration

Active Publication Date: 2013-01-16
金锣水务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, high-concentration sewage feed often causes problems such as slowing down of the supernatant filtration rate, lower COD removal rate, higher volatile acid concentration, and sludge swelling and floating in the first and second chambers of the ABR (especially the f

Method used

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  • Baffling anaerobic reactor and sewage treatment unit applying the same
  • Baffling anaerobic reactor and sewage treatment unit applying the same
  • Baffling anaerobic reactor and sewage treatment unit applying the same

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Embodiment Construction

[0044] Some embodiments of the present invention will be further introduced below in conjunction with the accompanying drawings, but it is not intended to limit the protection scope of the present invention.

[0045] attached image 3 It is a structural schematic diagram of an embodiment of the baffled anaerobic reactor according to the present invention, wherein the baffled anaerobic reactor includes two sets of multi-stage baffled anaerobic reaction tanks (G1 and G2). The first group of multi-stage baffle anaerobic reaction tanks (G1) has a total of N1 levels (such as 10, 15 or 20) baffle anaerobic reaction tanks, and the second group of multi-stage baffle anaerobic reaction tanks (G2) It has a total of N2 grades (such as 30 grades, 50 grades, 70 grades or 90 grades) baffled anaerobic reaction tanks.

[0046] The sewage feed (102) enters the first stage of the first group of multi-stage baffled anaerobic reaction tanks (G1) for anaerobic treatment after the flow is controlled...

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Abstract

The invention relates to a baffling anaerobic reactor, comprising two or more sets of multistage baffling anaerobic reaction tanks, wherein each set of the multistage baffling anaerobic reaction tanks further comprises a sedimentation tank and a sludge return pipe to allow a mixed solution coming from the last stage of the set to enter into the sedimentation tank to separate a supernatant and a concentrated mixed solution, allow the supernatant to enter into the first stage of the next set, and allow the concentrated mixed solution to enter into the first stage of the set through the sludge return pipe. The invention further relates to a sewage treatment unit containing the baffling anaerobic reactor and a sewage treatment method using the baffling anaerobic reactor.

Description

technical field [0001] The invention relates to a baffle anaerobic reactor and a sewage treatment device using the reactor, in particular to a sewage treatment device suitable for aquaculture wastewater. Background technique [0002] Anaerobic biological treatment, also known as anaerobic digestion, is that a variety of microorganisms work together under anaerobic conditions to make organic matter generate CH 4 , CO 2 the process of. [0003] Before the 1960s, people believed that the digestion process was divided into two stages. The first stage was called the fermentation stage or the acid production stage. In this stage, the insoluble complex organic matter was first hydrolyzed by anaerobic microorganisms, and then transformed into simple organic matter, such as fatty acids, alcohols, carbon dioxide and hydrogen, etc., the microorganisms that act in this stage are called fermentation bacteria or acid-producing bacteria, and the second stage is called the formazan stage....

Claims

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Application Information

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IPC IPC(8): C02F9/14
Inventor 李进民周连奎李大勇
Owner 金锣水务有限公司
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