Novel efficient anaerobic bioreactor

An anaerobic biological and reactor technology, applied in anaerobic digestion treatment and other directions, can solve problems such as how to evenly distribute influent water, over-deposition of activated sludge, and poor resistance to impact load of high-concentration wastewater.

Active Publication Date: 2014-07-02
JIANGSU JINSHAN ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

[0003] The existing anaerobic baffle reactor has been found to have the following problems after operation. In order to ensure a certain water flow and gas production rising speed, the ABR reactor should not be too deep, and how to evenly distribute the influent is also a problem
Compared with the single-stage UASB reactor, the first cell of the

Method used

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  • Novel efficient anaerobic bioreactor

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with accompanying drawing:

[0014] as attached figure 1 As shown, the present invention includes a reactor body 10, one side of the reactor body 10 is provided with a side water inlet water distributor 1, and sewage enters the folded plate reactor through the side water inlet water distributor 1. The lower part of each folded plate reactor in the reactor body 10 is provided with a lower supporting bed 2, and the lower supporting bed 2 is in the form of a grid plate made of a corrosion-resistant material. The lower support bed 2 is provided with a fluid biological filler layer 3, and above the fluid biological filler layer 3 is provided with an upper confinement layer 4 to prevent the loss of the fluid biological filler, and the upper confinement layer 4 is a grid plate or net made of a corrosion-resistant material. Shaped flexible packing. The top of each folded-plate reactor in the reactor body 10 ...

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Abstract

The invention discloses a novel efficient anaerobic bioreactor which is characterized by comprising a reactor body (10), wherein a lateral inflow water distributor (1) is arranged on one side of the reactor body (10); a lower supporting bed (2) is arranged at the lower part of each baffled reactor in the reactor body (10); flowing biological stuffing layers (3) are formed between upper limiting layers (4) and lower supporting beds (2); a pulse water distributor (5) is arranged at the top of each baffled reactor in the reactor body (10); and the water outlet of an effluent weir (6) of the reactor is connected with the pulse water distributors (5) through a backflow water pump (7). The novel efficient anaerobic bioreactor has the advantages of convenience in running and maintenance, small maintenance amount and high processing capability. The hydraulic stirring in each reaction chamber can be changed by adjusting the water inflow of pulse water distribution in each reactor, so that a hydraulic environment needed by each stage of reaction of an anaerobic reaction can be better created.

Description

technical field [0001] The invention relates to sewage treatment equipment and belongs to the technical field of sewage treatment. Background technique [0002] The Anaerobic Baffled Reactor (ABR) process was first developed and developed by McCarty of Stanford University in the United States in 1981 on the basis of summarizing the characteristics and performance of various second-generation anaerobic reactors. Efficient new anaerobic sewage biotechnology. Since a series of vertically installed baffles are used in the reactor to divide the reactor into several reaction chambers in series, each reaction chamber can be regarded as a relatively independent upflow sludge bed system (upfLow sLudge bed, Abbreviated as USB). The treated wastewater flows up and down along the baffles in the reactor, and passes through the sludge bed of each reaction chamber in turn, and the organic matrix in the wastewater is removed by contacting with microorganisms. With the help of the gas gen...

Claims

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Application Information

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IPC IPC(8): C02F3/28
Inventor 钱盘生曹殿春
Owner JIANGSU JINSHAN ENVIRONMENTAL PROTECTION TECH
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