Integrated sewage treatment equipment and method

Abstract

The invention discloses integrated sewage treatment equipment and method; the equipment comprises a main machine formed by welding and enclosing grating plates; the main machine is divided into a front nitrosation reaction zone, an anaerobic reaction zone, an anoxic reaction zone, an aerobic reaction zone, a settling zone and an advanced treatment zone which are communicated in sequence by water pipes; the main machine is provided with a water inlet communicated with the front nitrosation reaction zone, an emptying port communicated with the settling zone and the advanced treatment zone, a gasstripper and a controller; a plurality of aeration pipes which are gradually distributed are arranged in the aerobic reaction zone; a first reflux channel is formed between the front nitrosation reaction zone and the aerobic reaction zone through a water pipe and the gas stripper, a second reflux channel is formed between the anaerobic reaction zone and the settling zone through a water pipe andthe gas stripper, and a third reflux channel is formed between the anoxic reaction zone and the aerobic reaction zone through a water pipe and the gas stripper. The sewage treatment equipment has theadvantages of low cost, small occupied space and strong sewage treatment capacity, and is suitable for domestic sewage treatment of various scales.

Description

technical field [0001] The invention relates to the field of domestic sewage treatment, more specifically, it relates to integrated sewage treatment equipment and methods. Background technique [0002] Water pollution prevention and control is a topic of great concern to the country and the society. Discharge standards are becoming increasingly stringent. Not only are core indicators increasing, but discharge standard values ​​are also becoming stricter. For domestic sewage treatment, various types of sewage treatment equipment are currently used in the market. Although some of them can meet the corresponding standards, they have high noise, high energy consumption, and large investment, causing great trouble and inconvenience to owners and operators; Some of them failed to meet the new national discharge standards in terms of nitrogen and phosphorus treatment, resulting in eutrophication of local water bodies and seriously affecting the local water ecological environment. ...

AI Technical Summary

Problems solved by technology

For domestic sewage treatment, various types of sewage treatment equipment are currently used in the market. Although some of them can meet the corresponding standards, they have high noise, high energy consumption, and large investment, causing great trouble and inconvenience to owners and operators; Some of them cannot meet the new national discharge standards in terms of nitrogen and phosphorus treatment, resulting in eutrophication of local water bodies and seriously affecting the local water ecological environment.

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