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Sewage diversion treatment system for urban drainage pipe network

A drainage pipe network and treatment system technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, sludge treatment, etc., can solve the problems of inconvenient use, reduce the cost of use, simple operation, improve Environmental Effects

Pending Publication Date: 2022-07-12
浙江航冠工程设计有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, when common treatment methods are used, new pol

Method used

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  • Sewage diversion treatment system for urban drainage pipe network

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Example Embodiment

[0029] Example:

[0030] An urban drainage pipe network sewage diversion treatment system, the urban drainage pipe network sewage diversion treatment system comprises the following steps:

[0031] S1: Divide the generated waste water for pretreatment first, and then pull the powder waste water and collect it into the regulating tank to adjust the water quality and quantity, and then from the first-stage lift pump to the DEA reaction clarifier. plate sedimentation tank;

[0032] S2: overflow the clear liquid from the upper part of the inclined plate sedimentation tank to the coagulation flotation tank, and further remove the suspended state and colloidal pollutants in the waste water;

[0033] S3: the coagulation agent enters the coagulation reaction tank through the dosing metering pump, and is fully mixed with the wastewater under the action of the mechanical mixer and then enters the air flotation separation tank;

[0034] S4: due to the slowing down of the water flow spee...

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Abstract

The invention discloses a sewage diversion treatment system for an urban drainage pipe network. According to the method, various forms of strong oxidation active substances, especially 0H free radicals with extremely high oxidation capacity, are induced and generated by utilizing a catalytic oxidation reaction. The method has the advantages that the method almost has no selective reaction with organic pollutants in the wastewater, organic matters are thoroughly oxidized into carbon dioxide, water and mineral substances, and no new pollution is generated, so that the environmental protection property of the method in the treatment process is improved. Scrap iron used in wastewater treatment is generally wood shavings or waste scrap iron, so that the use cost is reduced; the service life is long, the operation and the maintenance are convenient, the micro-electrolysis reactor only needs to be regularly added with scrap iron, and the inert electrode does not need to be replaced; the micro-electrolysis method and the Fenton reagent method are combined to treat the industrial wastewater, one-time investment and operation cost are low, the occupied area is small, the system structure is simple, the whole device is easy to shape, equipment manufacturing industrialization is easy, and operation is easy.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, in particular to a sewage diversion treatment system of an urban drainage pipe network. Background technique [0002] Urban drainage is a drainage method in which urban sewage and rainwater are collected, conveyed, treated and discharged by the urban drainage system. Drainage system is an important infrastructure of a modern city. How to optimize the design and reconstruction of urban drainage system economically and technically is an important research topic. In municipal construction and environmental improvement projects, drainage system often occupies a large proportion of investment. How to reasonably design the urban drainage system under various technical conditions is an important issue in the planning and design. Therefore, my country has issued the urban drainage permit management method to solve the occurrence of such problems. In the process of urban drainage, sewage needs t...

Claims

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Application Information

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IPC IPC(8): C02F9/06C02F9/14C02F11/121
CPCC02F9/00C02F11/121C02F2001/007C02F1/24C02F1/5281C02F1/46104C02F1/66C02F1/725C02F3/00C02F2101/30C02F2305/026
Inventor 阳红卫
Owner 浙江航冠工程设计有限公司