Sewage treatment system

A sewage treatment system and sewage technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, anaerobic digestion treatment, etc., can solve the problems of fast membrane fouling, increased operating costs, and potential safety hazards. , to achieve the effect of reducing membrane pollution, reducing operating costs and reducing energy consumption

Active Publication Date: 2015-04-29
TSINGHUA UNIV
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Problems solved by technology

The existing anaerobic membrane bioreactor technology generally has disadvantages such as low water production, fast membrane fouling, and high energy consumption, which have become limiting factors affecting the popularization and application of MBR technology.
In order to reduce membrane fouling, m

Method used

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  • Sewage treatment system
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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0028] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the ...

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Abstract

The invention discloses a sewage treatment system comprising a treatment tower body, a muddy water outlet, a muddy water outlet, a muddy water inlet, a clean water outlet and a biogas outlet, wherein an anaerobic fluidized bed reaction zone, a sludge settling zone and a membrane separation zone are sequentially defined in the treatment tower body from bottom to top; carrier particles attached with anaerobic microorganisms are contained in the anaerobic fluidized bed reaction zone which is provided with a vertical flow guide cylinder; a solid-liquid separator is arranged at the upper end of the flow guide cylinder; the membrane separation zone is provided with a rotary membrane component; the sewage inlet is formed in the lower part positioned on the side wall of the anaerobic fluidized bed reaction zone; the muddy water outlet is formed in the upper part positioned on the side wall of the anaerobic fluidized bed reaction zone; the muddy water inlet is formed in the lower part positioned on the side wall of the anaerobic fluidized bed reaction zone and is communicated with the flow guide cylinder; the clean water outlet is formed in a side wall positioned in the membrane separation zone; and the biogas outlet is formed in the top part positioned in the membrane separation zone. The system not only can realize purification of sewage but also can generate a lot of high-caloric-value biogas, and is compact in structure and low in running cost.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, in particular, the invention relates to a sewage treatment system. Background technique [0002] With the development of sewage treatment technology so far, how to recycle the energy in sewage on the basis of ensuring the quality of effluent water has become the focus of current research. High-efficiency anaerobic biological technology for sewage treatment can not only realize sewage purification but also produce a large amount of high calorific value biogas to be used as energy, and has been widely developed and applied. However, the unstable operation of the reactor, difficulty in reaching the standard of effluent water quality, and low methane yield have become bottlenecks for the further popularization of this technology. [0003] Anaerobic membrane bioreactor technology (AnMBR) is a process that couples high-efficiency anaerobic biotechnology with membrane separation technology, an...

Claims

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Application Information

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IPC IPC(8): C02F3/28
CPCC02F3/2833C02F3/2853Y02E50/30
Inventor 黄霞许颖夏俊林文湘华
Owner TSINGHUA UNIV
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