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Tubular membrane bioreactor

A technology of bioreactor and tubular membrane, applied in biological water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc. damage and other problems, to achieve the effect of improving biochemical treatment efficiency, simple structure, and increasing effective concentration

Active Publication Date: 2014-02-26
BEIJING ORIGIN WATER FILM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lower aeration will cause membrane pollution, and higher aeration will increase membrane damage and increase operating costs
The preparation process of flat membrane is complex and costly, and hydraulic flushing is required to alleviate surface pollution

Method used

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  • Tubular membrane bioreactor
  • Tubular membrane bioreactor

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] Such as Figure 1-2 As shown, a tubular membrane bioreactor includes a membrane frame 1, and the inside of the membrane frame 1 is provided with a plurality of tubular membrane modules 2 arranged in sequence, and the tops of the tubular membrane modules 2 are connected to the pump after being collected by the outlet pipe. Suction and drainage system, the bottom of the membrane frame 1 is equipped with an aeration system, the tubular membrane module 2 includes a number of evenly arranged membrane tubes 3, and a plurality of flexible friction balls are arranged in the cavity formed by two adjacent membrane tubes 3.

[0024] In the tubular membrane bioreactor of the p...

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Abstract

The invention relates to a tubular membrane bioreactor, comprising a membrane frame, the interior of the membrane frame is provided with a plurality of tubular membrane modules arranged in order, the tops of the membrane modules are gathered through an outlet pipe and then are connected with a suction draining system, the bottom of the membrane frame is provided with an aeration system, the membrane module comprises a plurality of uniformly arranged membrane tubes, and a plurality of flexible friction balls are arranged in a cavity formed by adjacent two membrane tubes. According to the invention, the tubular membrane bioreactor adopts the tubular membrane as the filter membrane, thus fracture and damage of the filter membrane causing water quality deterioration can be avoided; by adding the flexible friction balls in the cavity formed by the membrane tubes, the effective concentration of sludge can be raised, the biochemical treatment efficiency is raised, the water quality of the effluent is raised, and the cost is reduced; the flexible friction balls washout the membrane surfaces, thus the pollution circle of the membrane tubes is prolonged; the distance between the adjacent filter membranes is large and fixed, thus sludge deposit is little; and the filter modules has a simple structure, and the preparation technology is simple.

Description

technical field [0001] The invention relates to a tubular membrane bioreactor. Background technique [0002] Membrane bioreactor is a new type of sewage treatment process. It adds a filter membrane at the end of wastewater biochemical treatment. The biochemically treated water is discharged after passing through the filter membrane. The filter membrane will trap activated sludge and macromolecular substances in the biochemical pool. . MBR membrane technology independently controls the hydraulic retention time and sludge retention time of biochemical treatment, which increases the flexibility of the treatment process, and can design appropriate hydraulic retention time and sludge retention time for different wastewater, while the filter membrane has super strength The mud-water separation function makes the sludge concentration in the biochemical tank greatly increased without worrying about the mud-water separation. [0003] In addition, the operation control of MBR techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/00
Inventor 代攀李锁定陈亦力袁江俞开昌吴强文剑平
Owner BEIJING ORIGIN WATER FILM TECH
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