Agitation type aeration device for municipal sewage treatment

Abstract

The invention discloses an agitation type aeration device for municipal sewage treatment. The device comprises a rotary motor, a shell, a first rotating shaft, first agitation rods, second rotating shafts and a fan, wherein the rotary motor is arranged at the upper end of the shell; the first rotating shaft is fixedly connected with the output end of the rotary motor; sleeves are fixedly connectedon the first rotating shaft and are arranged symmetrically; the first agitation rods are connected in the sleeves in a rotating manner; a gas conducting pipe B is arranged in the first rotating shaft, and a gas conducting pipe A is arranged in each first agitation rod; second rotating shafts are symmetrically arranged on left and right sides of the lower end of the first rotating shaft, and are connected at the bottom of the shell in a rotating manner, and spiral vines are fixedly arranged on the second rotating shafts; an arc spray pipe is arranged at the lower half part of each second rotating shaft; the second rotating shafts have a hollow structure, and gas conducting pipes C are arranged inside the second rotating shafts. The agitation type aeration device is simple in structure andconvenient to use, can be used for increasing the aeration efficiency and improving the sewage treatment effect, and is worthy of popularization.

Description

technical field [0001] The invention relates to an aeration device, in particular to a stirring aeration device for municipal sewage treatment. Background technique [0002] The problem of water pollution is an environmental problem throughout the world. According to the methods used in sewage treatment, it can be divided into four types: physical method, chemical method, physical chemical method and biological method. Biological method is a method of using the metabolism of microorganisms in wastewater to decompose degradable organic matter in sewage. Because of its large processing capacity, low investment, and economical reliability, it has become the most common water treatment method in the world today. Among them, the aerobic biological method faces constraints such as aeration efficiency and the performance of the aeration device. In the treatment of urban domestic sewage and industrial wastewater, the aeration and oxygenation equipment used for biochemical treatment...

AI Technical Summary

Problems solved by technology

When these flocs cannot be processed in time, it will hinder the contact between water and "micro-bubbles", which will affect the further flocculation of sewage and greatly slow down the flocculation speed; the general aeration device has a single aeration method and poor aeration effect , the sewage cannot be fully exposed to gas, resulting in low efficiency of sewage treatment

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