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Urban sewage treatment system and purification method

A technology for urban sewage and sewage, applied in water/sewage treatment, light water/sewage treatment, water/sewage multi-stage treatment, etc. The effect of improving the efficiency of nitrogen and phosphorus removal

Active Publication Date: 2016-05-18
台州天工医化设备有限公司
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the technical problem in the prior art that urban discharges containing industrial sewage and domestic sewage cannot be treated at the same time, and provide a comprehensive sewage treatment system and purification system that can purify urban discharges containing industrial sewage and domestic sewage. method to reduce environmental pollution and make the ecological environment sustainable

Method used

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings.

[0034] like figure 1 An urban sewage purification method is shown, and the sewage purification method includes the following steps: (1) collection process: the sewage is passed through the sewage pipe and the grid, and the larger floating objects in the sewage are cleaned and intercepted, and then After passing through the grit chamber, impurities such as sand and solid particles in the sewage are removed, and the cleaned sewage is collected into the reservoir. The grid is provided with a coarse grid and a fine grid, and the coarser grid is removed through the coarse grid The finer solid floating matter is removed through the fine grid, and then the sand and gravel can be removed through the grit chamber, which can clean the floating matter and sand in the water, and prevent the floating matter, sand and solid particles from being transported in other sewage In the mo...

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Abstract

The invention discloses an urban sewage treatment system and purification method and belongs to the technical field of sewage treatment. The sewage treatment and purification method comprises the steps of collection, physical precipitation, chemical precipitation, anaerobic biological treatment, anoxic biological treatment, aerobic biological treatment, adsorption, disinfection, ultrafiltration membrane filtration and sludge treatment in sequence. According to the method, a physical precipitation method, a chemical precipitation method and a biological purification method are used comprehensively to perform step-by-step classification treatment on different pollutants, the purification efficiency is high, the effluent quality is good, the nitrogen and phosphorus treatment capacity is higher, operation and maintenance are convenient, management is simple, and popularization and use can be realized.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and relates to a sewage treatment system and a purification method, in particular to a sewage treatment system and a purification method suitable for domestic sewage and industrial sewage discharged in cities. Background technique [0002] With the development of the national economy, the current process of urbanization in my country is accelerating, and the number of cities is increasing rapidly. At present, the urbanization level is close to 40%, but there are some problems that follow, such as environmental problems and traffic problems. my country's urban development, especially the healthy development of cities, such as environmental pollution problems, the current environmental pollution problems in my country's cities are more serious, including air pollution, water pollution and so on. During the rapid development of the city, some unreasonable phenomena appeared in urban planning...

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F1/281C02F1/283C02F1/32C02F1/444C02F1/5236C02F3/30C02F9/00C02F11/12C02F11/122C02F2301/08C02F2303/04
Inventor 程冠华李科颖
Owner 台州天工医化设备有限公司
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