An anaerobic membrane sewage treatment device

Abstract

The invention discloses an anaerobic membrane sewage treatment device, comprising: an anaerobic reactor, a water inlet pipe, a sewage solid-liquid separation component, a biogas tank, a biogas flushing pipe, an anti-biogas reflux device, and a water outlet pipe, wherein: the anaerobic The reactor is a vertical sealed tank, and the water inlet pipe is arranged in the inner cavity of the anaerobic reactor. The sewage solid-liquid separation component is a flat ceramic membrane, which is fixed on the upper part of the water inlet pipe in the inner cavity of the anaerobic reactor. The biogas cabinet is located outside the anaerobic reactor, which is connected to the water inlet of the sewage solid-liquid separation component through the biogas flushing pipe. Connected to the anti-methane backflow device. One end of the outlet pipe communicates with the upper surface of the sewage solid-liquid separation assembly. The treatment device of the present invention adopts a ceramic flat membrane to realize solid-liquid separation, not only the effluent is stable, but also the effluent basically does not contain sludge, does not affect the sludge concentration in the reactor, and ensures the sewage treatment effect.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an anaerobic membrane sewage treatment device. Background technique [0002] The information disclosed in the Background of the Invention is only intended to increase the understanding of the general background of the invention, and is not necessarily to be taken as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art. [0003] In wastewater treatment, especially industrial wastewater treatment, anaerobic reactors have irreplaceable technical advantages. The core component of the traditional anaerobic reactor is a three-phase separator, through which the three-phase separation of gas, solid and liquid in the anaerobic reactor is realized. Precisely because of its importance, strict design requirements must be able to achieve effective separation of gas, solid, and liquid phases, and ...

AI Technical Summary

Problems solved by technology

Mainly include: (1) The solid-liquid separation cannot be achieved well; (2) The effluent carries granular sludge or a large amount of flocculent sludge, which will seriously reduce the sludge concentration of the anaerobic reactor and affect the stable operation of wastewater treatment; ( 3) The effluent carries the sludge into the subsequent aerobic biochemical treatment unit, and the anaerobic sludge in the wastewater absorbs dissolved oxygen in the water, resulting in an increase in the aeration of the aerobic unit and affecting the treatment effect

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