Integral device for treating domestic sewage by sludge bed and domestic sewage treatment method

Abstract

The invention provides an integral device for treating domestic sewage by a sludge bed and a domestic sewage treatment method, and relates to a domestic sewage treatment device and a sewage treatment method, which mainly aims at solving the problem of treatment of urban, regional and rural domestic sewage under the conditions of scarce land occupation area and lack of technicians. The domestic sewage treatment device comprises an anaerobic contact tank, an aerobic contact tank, a sedimentation tank, a mixing tank, a filtering tank, a submersible lifting pump, a submersible stirring machine, a flow distributer, a contact tank blower, a tubular aerator, an air collecting cover, a filler, and a sedimentation tank blower. The sewage treatment method comprises the following steps of 1, firstly, sending the sewage into a conditioning tank, lifting to the anaerobic contact tank, starting the stirring machine, and enabling the water from the anaerobic contact tank to flow into the aerobic contact tank; 2, starting the contact tank blower, aerating, and enabling the water from the aerobic contact tank to flow into the sedimentation tank; 3, starting the sedimentation tank blower, enabling the water from the sedimentation tank to flow into the mixing tank, and feeding a coagulant; 4, enabling one part of the water from the mixing tank to flow into the filtering tank, and enabling the other part of the water to flow back into the mixing tank. The domestic sewage treatment device and the sewage treatment method are applied to the field of sewage treatment.

Description

technical field [0001] The invention relates to a device for treating domestic sewage and a sewage treatment method. Background technique [0002] my country's water resources are unevenly distributed, and the per capita share is small. At the same time, the pollution of surface water and groundwater is becoming more and more serious, which makes the problem of water resource shortage in my country increasingly serious. There is an urgent need for relevant professionals to develop advanced water treatment technologies that meet my country's current situation, comprehensively and efficiently treat urban domestic sewage, and be able to meet the requirements of discharge, irrigation or miscellaneous uses, so as to alleviate the current situation of water resource shortage and water environmental pollution. [0003] With the development of my country's economic level, the amount of sewage in cities and villages is increasing day by day. Among them, domestic sewage in cities, re...

AI Technical Summary

Problems solved by technology

The traditional sewage treatment process such as A 2 O. Oxidation ditch, SBR and other processes require high construction investment, large floor area, and difficult operation, management and maintenance. Especially in rural areas, it is difficult to find enough relevant technical personnel to maintain the normal operation of sewage treatment facilities, resulting in towns and villages The sewage treatment rate is low, causing adverse effects on the surrounding environment and deteriorating the overall water environment quality in my country

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