Integrated domestic sewage treatment device

Abstract

The invention relates to an integrated domestic sewage treatment device, which is suitable for integrated treatment of rural (villages and towns) domestic sewage far away from municipal drainage pipelines, and is characterized by comprising a biochemical reaction tank, wherein the biochemical reaction tank is divided into a main reaction zone and a pre-reaction zone by a division plate, the main reaction zone is communicated with the pre-reaction zone through a bottom connecting port of the division plate, the pre-reaction zone is communicated with a biological selection zone, the biological selection zone is connected with a winding shaft through a pipeline and a lifting pump, and a grizzly screen is arranged between the winding shaft and a domestic sewage inlet; a jet aeration machine, a sludge reflux pump and a decanter are arranged in the main reaction zone; and the decanter is connected with a water outlet pipe, and a sludge outlet of the sludge reflux pump is connected with a sludge tank, the biological selection zone and the pre-reaction zone respectively.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to integrated domestic sewage treatment equipment, which is suitable for the integrated treatment of rural (township) domestic sewage far away from municipal drainage pipes. Background technique [0002] With the increase of domestic sewage discharge in rural areas (towns and towns), the intensification of non-point source pollution, coupled with the lack of suitable treatment technologies and the lagging water treatment facilities, the difficulty of environmental pollution control in rural areas (towns and towns) is more prominent than that in cities, and it has become a new rural construction in my country. main obstacle. In order to make the majority of farmers step into a well-off society in an all-round way, the party and the state attach great importance to the environmental protection and construction of the new socialist countryside. There must be a reasonable treatment metho...

AI Technical Summary

Problems solved by technology

At present, the treatment of domestic sewage in rural areas (towns) has the following problems: First, there is a serious lack of construction funds

Rural domestic sewage treatment facilities are public welfare projects that require a large amount of public financial investment. Due to financial difficulties in various places and the weak collective economy of most villages, capital investment is seriously insufficient, and pollution control projects are difficult to carry out; Rural sewage treatment has not attracted enough attention; thirdly, there is a lack of sewage treatment technologies suitable for rural areas (towns) in general, and it is necessary to research and develop treatment technologies with low construction costs, good treatment effects, no or low operating costs, and suitable for decentralized disposal

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