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Anaerobic membrane bioreactor for sewage treatment

A technology of anaerobic membrane biology and reactor, which is applied in the direction of biological water/sewage treatment, water/sludge/sewage treatment, special treatment targets, etc., and can solve problems such as outlet pipeline blockage, filter material layer blockage, and sludge ingress , to achieve the effect of reducing the number of backwashing, increasing the flushing effect, and prolonging the clogging period

Active Publication Date: 2021-02-19
华夏碧水环保科技股份有限公司北京分公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the filter material layer in the existing anaerobic membrane bioreactor used for sewage treatment will be blocked frequently, and the backwashing after the blockage is not uniform enough, and all the blocked filter material layers cannot be cleaned, resulting in blockage There will still be partial blockage in the future
Therefore, the treatment effect of the anaerobic membrane bioreactor is greatly reduced, and after the existing anaerobic membrane bioreactor has been washed many times, the sludge may enter the outlet pipe with the sewage, and after a long period of accumulation, resulting in Blockage of the outlet pipe

Method used

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  • Anaerobic membrane bioreactor for sewage treatment
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Embodiment Construction

[0033]The present invention will be described below based on embodiments. Those of ordinary skill in the art should understand that the drawings provided herein are for illustrative purposes, and the drawings are not necessarily drawn to scale.

[0034]Unless the context clearly requires, the words "including", "including" and other similar words in the entire specification and claims should be interpreted as inclusive rather than exclusive or exhaustive meanings; in other words, "including but not limited to" Meaning.

[0035]Aiming at the problems of easy clogging and uneven backwashing existing in the existing anaerobic membrane bioreactor, the applicant found that the existing backwashing is all water washing. Since the inside of the anaerobic membrane bioreactor is full of water, it is difficult to obtain good water washing. Based on this, this application provides an anaerobic membrane bioreactor, such asfigure 1 withfigure 2 As shown, the anaerobic membrane bioreactor includes a ho...

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Abstract

The invention discloses an anaerobic membrane bioreactor for sewage treatment. The anaerobic membrane bioreactor comprises a shell and a filter material layer arranged in the shell, and further comprises a high-pressure gas backflushing structure arranged above the filter material layer and comprising a high-pressure gas distribution structure and a plurality of high-pressure gas nozzles arrangedon the high-pressure gas distribution structure, wherein openings of the high-pressure gas nozzles face the filter material layer; a low-pressure gas disturbance structure arranged below the filter material layer and comprising a low-pressure gas distribution structure and a plurality of low-pressure gas nozzles arranged on the low-pressure gas distribution structure, wherein openings of the low-pressure gas nozzles face the filter material layer; when the filter material layer is blocked, high-pressure gas sprayed by the high-pressure gas nozzles is used for backwashing the filter material layer; and when the filter material layer is not blocked, the low-pressure gas nozzles are used for spraying low-pressure gas near the filter material layer to improve the flowability and disturbance ofsewage near the filter material layer, so that the scouring effect of the sewage on the filter material layer is improved, the blocking period of the filter material layer is prolonged, the treatmenteffect of the reactor is improved, and the backwashing frequency is reduced.

Description

Technical field[0001]The invention relates to the technical field of sewage treatment, in particular to an anaerobic membrane bioreactor for sewage treatment.Background technique[0002]Anaerobic treatment technology has been developed for many years. Anaerobic wastewater treatment technology has developed rapidly because of its low operating cost, available biogas production and a series of advantages in the treatment of high-concentration wastewater. Anaerobic biological treatment is to convert most of the organic matter into methane and carbon dioxide with the help of transforming anaerobes and facultative anaerobes under anaerobic conditions.[0003]At present, the filter material layer in the existing anaerobic membrane bioreactor used for sewage treatment will be clogged frequently, and the backwashing after the blockage is not uniform enough, and all the clogged filter material layers cannot be cleaned, causing clogging There will still be some blockages in the future. Therefore,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28B01D24/46
CPCB01D24/4636C02F3/2853C02F3/2866C02F2303/16
Inventor 张传兵郭家磊孙振洲王慧芳王杰张利朋寇刘秀侯亚平杨伟韦云钊陆兆华王鹏云赵亮张真
Owner 华夏碧水环保科技股份有限公司北京分公司
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