Anaerobic ammonia oxidation reactor

Abstract

The invention discloses an anaerobic ammonia oxidation reactor, and relates to the technical field of sewage treatment; the anaerobic ammonia oxidation reactor comprises a tank body and a degassing cover; the degassing cover is inversely arranged in the middle of the tank body, an anaerobic ammonia oxidation reaction device is arranged above the degassing cover, and a nitrosation reaction device is arranged below the degassing cover; the anaerobic ammonia oxidation reaction device and the nitrosation reaction device have the same structure; the anaerobic ammonia oxidation reaction device comprises a fixed frame, a movable frame and a limiting groove; and the fixed frame and the limiting groove are both fixedly connected with the inner wall of the tank body, the movable frame can slide up and down in the limiting groove, and filler is arranged between the fixed frame and the movable frame. The anaerobic ammonia oxidation reactor also comprises a circulating device; the circulating device is used for pumping sewage treated by the anaerobic ammoxidation reaction device back to the lower part of the anaerobic ammoxidation reaction device and the lower part of the nitrosation reaction device, and respectively controlling the circulating flows of two lines. The reactor integrates a nitrosation reaction and an anaerobic ammonia oxidation reaction, the sewage denitrification treatment effect is good, the efficiency is high, meanwhile, the production, manufacturing and mounting time periods can be prefabricated, and the whole device is small in occupied area.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an anaerobic ammonium oxidation reactor. Background technique [0002] The anaerobic ammonium oxidation reactor in the prior art can only realize the anammox reaction process, and its ability to treat ammonia nitrogen in sewage is relatively limited, and it is difficult to independently achieve efficient and high-speed sewage denitrification treatment. Other sewage treatment equipment together build a huge sewage treatment system. In most cases, it needs to be fabricated and installed on the construction site, and it takes up a large area, high equipment and construction costs, and difficult to operate and maintain. In the usual anammox reaction device, the anammox bacteria grow freely, or the filler is fixedly installed, and the sewage cannot be fully circulated, the bacteria cannot fully transfer and react with the pollutants in the sewage, and the sewage degasses. Ni...

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Problems solved by technology

[0002] The anaerobic ammonium oxidation reactor in the prior art can only realize the anammox reaction process, and its ability to treat ammonia nitrogen in sewage is relatively limited, and it is difficult to independently achieve efficient and high-speed sewage denitrification treatment. Building a huge sewage treatment system together with other sewage treatment equipment, in most cases, it needs to be manufactured and installed on the construction site, and it occupies a large area, the cost of equipment and construction is high, and operation and maintenance are difficult

In the usual anammox reaction device, the anammox bacteria grow freely, or the filler is fixedly installed, and the sewage cannot be fully circulated, the bacteria cannot fully transfer and react with the pollutants in the sewage, and the sewage degasses. Nitrogen treatment efficiency is low

In addition, the anammox bacteria dissociate in the reacted sewage during the reaction, and the growth rate of the colony is slow. The anaerobic ammonium oxidation device in the prior art generally has the problem of bacterial flora loss after a period of reaction, which affects the denitrification of sewage. Processing efficiency

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