Efficient anaerobic ammoxidation reactor

A technology of anaerobic ammonium oxidation and reactor, which is applied in the field of high-efficiency anaerobic ammonium oxidation reactor, can solve the problems that are not conducive to the separation of sludge and water from sedimentation performance granular sludge, will destroy the structure of activated sludge, and have high nitrogen content in effluent. Achieve the effect of large reaction potential, compact structure and uniform water distribution

Inactive Publication Date: 2009-05-27
ZHEJIANG UNIV
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Problems solved by technology

Secondary biological treatment has been launched one after another. Although it has played a good role in curbing organic pollution, the high nitrogen content in the effluent is still a serious source of environmental pollution.
Separating the activated sludge with the secondary settling tank and sending it back to the anaerobic reactor through the reflux pump not only increases the equipment and consumes power, but also destroys the structure of the activated sludge, which is not conducive to the formation of granular sludge with excellent sedimentation performance and the separation of sludge and water

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Embodiment Construction

[0018] As shown in the drawings, the high-efficiency anaerobic ammonium oxidation reactor has a reactor body and a foot 1. The reactor body is sequentially provided with a sludge sedimentation chamber 8, a gradual expansion chamber 6, and an upflow reaction chamber 3 from top to bottom. The inner side of the bottom of the reactor body is provided with a swirl water distributor 18, and the outer side of the bottom of the reactor body is provided with a water inlet pipe 19, a mud discharge pipe 20, and a four-way pipe composed of an outer circulation pipe inlet 21. Cross-shaped grid 5, packing 4 is arranged between the upper and lower cross-shaped grids 5, the upper part of the gradual expansion chamber 6 is provided with an overflow conical baffle 7, the sludge settling chamber 8 is provided with a three-phase separator 11, and the sewage The upper side wall of the mud settling chamber 8 is provided with an overflow weir 9, an overflow weir outlet pipe 13, and a liquid seal tank...

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Abstract

The present invention discloses one kind of efficient anaerobic ammoxidation reactor comprising a reactor body and support legs. The reactor body has a sludge settling chamber with triphase separator, overflow weir, liquid sealing groove, liquid seal water level controller and liquid seal groove slag exhaust pipe; a flaring chamber with conic baffle; an upward flow reactor with stuffng; a cyclonic water distributor; said a four-way pipe comprising a water inlet pipe, a sludge exhaust pipe and an outer circulating pipe. The present invention has capacity of efficiently remaining anaerobic ammoxidation bacteria, great anaerobic ammoxidation capacity, high impact resistance and other advantages.

Description

technical field [0001] The invention relates to a high-efficiency anaerobic ammonia oxidation reactor. Background technique [0002] With the development of industrial and agricultural production and the improvement of people's living standards, the discharge of nitrogenous organic matter has increased dramatically. Secondary biological treatment has been launched one after another. Although it has played a good role in curbing organic pollution, the high nitrogen content in the effluent is still a serious source of environmental pollution. Nitrogen pollution is extremely harmful. Ammonia entering the water body can not only induce "eutrophication" and cause the disorder of the aquatic ecosystem, but also consume dissolved oxygen, resulting in hypoxia in the water body, affecting the oxygen transfer of strontium in fish, making fish Lethal; react with chlorine gas to form chloramine, which affects chlorination disinfection treatment. Therefore, it is imperative to control ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/28
Inventor 郑平陈小光唐崇俭陈建伟周尚兴丁革胜
Owner ZHEJIANG UNIV
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