Community sewage integrated treatment and recycling system and applications

Abstract

The invention relates to a community sewage integrated treatment and recycling system. The system comprises a grating, a regulating pond, a horizontal spiral self-cleaning fine particle removal device, an aerobic bioreaction pond water distribution room, an aerobic bioreaction pond, a settling pond, a self-aeration device, an artificial wetland, a rainwater storage pond, a filtering and disinfection device, a sewage storage pond and a system base. Solid suspension in aesthetic environment use water is up to standard through the grating, the regulating pond, the horizontal spiral self-cleaning fine particle removal device and the settling pond arranged in the system, so that the quality of sewage achieves the requirement of the aesthetic environment use water; the aerobic microbial reaction pond and the self-aeration device can achieve the standard of organic matters and nutritional substance indexes, the arranged artificial wetland not only can achieve the purpose of beautifying the community environment to cause aquatic plant and microorganism to continue to deeply treat sewage and rainwater, but also can play a buffering role in raining season to prevent the occurrence of community flood, and thus the occurrence of the community flood can be prevented.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, in particular to a community sewage integrated treatment and reuse system and its application. Background technique [0002] A typical domestic sewage treatment process includes pretreatment, secondary treatment and tertiary treatment. Pretreatment mainly uses grids and primary sedimentation tanks to remove most of the suspended solids in sewage, and secondary treatment mainly uses activated sludge methods. A variety of microbial methods are used to remove organic matter and nutrients in sewage. The tertiary treatment is advanced treatment, which usually uses filtration and disinfection to remove micro-suspended solids, microorganisms and germs in sewage. [0003] At present, most of the domestic sewage and rainwater generated in residential areas directly enter the municipal sewage pipe network, and are finally treated by urban sewage treatment plants and discharged up to standa...

AI Technical Summary

Problems solved by technology

However, urban sewage treatment plants are used for community household reuse and plant irrigation, which requires the construction of supporting facilities and relatively large investment

Moreover, during the rainy season, too much sewage entering the sewage treatment plant will affect the treatment capacity of the sewage treatment plant, affecting the reuse and discharge of sewage

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