Powerless biological coupling rural sewage treatment integral equipment

Abstract

The invention relates to the technical field of environment engineering sewage treatment and discloses powerless biological coupling rural sewage treatment integral equipment which comprises a settling pond, a hydrolysis acidification pool and a biological coupling diffusion cell, wherein the settling pond is connected with the hydrolysis acidification pool through a hydrolysis acidification waterdistribution tube; a combined filler is arranged inside the hydrolysis acidification pool; the biological coupling diffusion cell is connected with the hydrolysis acidification pool through a water distribution tube; a filler layer is arranged inside the biological coupling diffusion cell; the filler layer comprises a planting covering layer, a water distribution layer, a fine filtering layer, anair introduction layer, a refined filtration layer, a deep treatment layer and a water drainage layer. The equipment is low in construction cost, simple in structure, nearly free of operation cost, convenient to operate and high in treatment efficiency.

Description

technical field [0001] The invention relates to the technical field of environmental engineering sewage treatment, in particular to an integrated equipment for rural sewage treatment without power and biological coupling. Background technique [0002] At present, the domestic sewage in rural areas of our country is directly discharged, and finally converges into village ditches, fish ponds and lakes. This kind of untreated direct sewage exceeds the carrying capacity of natural water bodies, destroys the water body environment, and threatens drinking water safety in vast rural areas. In the hilly areas of central and western my country, rural households are scattered. This geographical distribution makes it difficult to collect sewage. At the same time, most rural households do not have complete sewage collection pipes and corresponding treatment facilities. Most of the sewage is untreated. The treatment is directly discharged, and these sewages have high N and P contents, an...

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Problems solved by technology

[0003] The existing method is to use three-stage septic tanks for sewage treatment. Three-stage septic tanks have been widely used in sewage treatment methods. The sewage treated by three-stage septic tanks includes BOD, COD, NH4- Pollutants such as N have great removal efficiency, but the traditional three-stage septic tank does not have a good removal effect on rural high-P sewage, and adding post-treatment facilities alone will inevitably increase the cost of rural domestic sewage treatment, so The existing rural domestic sewage treatment equipment is still not perfect

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