Economical hybrid power biological membrane process

Abstract

The invention discloses an economical hybrid power biological membrane process, which is characterized in that a drainage aeration groove is arranged on the bottom of a sewage tank under a biological membrane group, air from an aeration pipe in the drainage aeration groove flows along water and along the surface of the biological membrane group or enters the internal of the biological membrane group toward the downstream, and then naturally and upward rise to produce a continuous aeration effect so as to substantially increase a biological membrane group treatment effect, and buoyancy force produced due to bubble rising, hydraulic driving force produced due to flowing of the sewage between the biological membrane group and the bottom of the sewage tank, and solar energy, wind energy and commercial power electricity are conjointly form hybrid power to drive the biological membrane group to operate. With the process, a biological membrane group treatment effect can be substantially increased with continuous aeration, and a biological membrane group operation cost can be substantially reduced with hybrid power design.

Description

technical field [0001] The invention relates to an economical hybrid biofilm process, which belongs to the technical field of sewage treatment. Background technique [0002] With the continuous development of social economy and the continuous improvement of people's living standards, people's awareness of environmental protection is also increasing, especially the protection of water resources has attracted widespread attention from the whole society. It has become a consensus that sewage must be strictly treated before it can be discharged into water bodies, and the discharge indicators after sewage treatment are getting higher and higher. In sewage treatment equipment, the biofilm process is widely used in China because of its remarkable characteristics such as large biomass, high purification rate, strong adaptability, good effluent quality, long food chain of organisms on the biofilm, and low sludge production. Small sewage treatment station. However, the biofilm proce...

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Problems solved by technology

However, the biofilm process also has its defects. On the one hand, although the biofilm process has a good treatment effect, the treatment capacity is limited. Therefore, for sewage treatment plants with the same treatment scale, compared with other processes, the use of biofilm process is more difficult due to the required biofilm. Larger groups require a larger field

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