Single pump type sewage bioreaction treatment system

Abstract

The invention belongs to the technical field of sewage treatment, particularly to a single pump type sewage bioreaction treatment system. The single pump type sewage bioreaction treatment system comprises a pond A and a pond O which are separated by a separating plate, a sewage feeding pipe communicated with the inner cavity of the pond A, and a treated water discharging pipe communicated with theinner cavity of the pond O; the inner cavity of the pond A and the inner cavity of the pond O are communicated through a suction pipe, and the suction pipe is provided with a water pump; the water inlet of the suction pipe is arranged at the bottom of the inner cavity of the pond A, the lower portion of the inner cavity of the pond A is provided with a return pipe, the water inlet end of the return pipe is communicated with the inner cavity of the suction pipe and close to the water outlet end of the water pump, and the water outlet of the return pipe is arranged at the lower portion of the inner cavity of the pond A; the top of the inner cavity of the pond O is fixedly provided with a support rack, which is fixedly provided with at least one jet flow gas fusion device. The single pump type sewage bioreaction treatment system is simple in structure, capable of reducing space occupation, low in manufacturing cost, high in efficiency, low in consumption and long in service life.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and specifically relates to a single-pump sewage biological reaction treatment system with simple structure, reduced floor space, low manufacturing cost, high efficiency, low consumption and long service life. Background technique [0002] The AO process combines anoxic and aerobic biochemical processes in series, and is an improved sewage treatment process using activated sludge method, which can not only degrade organic matter, but also has certain effects of phosphorus and nitrogen removal. During the treatment, the treatment of the anoxic section is carried out in the A pool, and the treatment of the aerobic section is carried out in the O pool. The anoxic section mainly relies on heterotrophic bacteria to decompose the macromolecular organic matter, suspended matter, and soluble organic matter in the sewage into small molecular organic matter through hydrolysis, so as to improve the...

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Problems solved by technology

[0003] However, the structure of the traditional AO reactor is extremely complex, generally including the underwater mixer in the A pool, the underwater aeration system in the O pool, the sludge return pump, the aeration fan in the machine room, the centralized control cabinet and other components. There are a lot of equipment configured in the system, there are many electrical components, the system structure is complex, and the failure rate is high, especially when there are many underwater components, it is very difficult to repair and deal with after a failure

At the same time, the energy consumption is also very high, the noise is loud during use, and it is uneconomical to use. There are many connecting pipes in the equipment, and the installation and manufacturing process are complex and there are many fault points. At the same time, due to the complicated mechanism, the cost is high

At the same time, there are low-value consumables such as underwater aerator membranes in the system

These problems have greatly hindered the promotion and popularization of equipment, resulting in expensive equipment, more expensive equipment, inconvenient use and maintenance, and hindered the promotion and popularization of environmental protection equipment.

[0004] In summary, the AO process sewage treatment in the prior art results in large energy consumption, short reaction time of activated sludge in pool A, and serious consumption of activated sludge. Pool A needs pumps and mixers to be used at the same time, resulting in large power consumption

O tanks generally need multiple aeration pipes. Once one or some aeration pipes are damaged, the oxygen supply will be insufficient, and the sewage treatment will not meet the standard. We have to stop production and release water for inspection and maintenance. Once such problems occur, it is often It cannot be repaired, and the fan in the machine room consumes a lot of energy and occupies a large area

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