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Treatment method for cleaning black-odor river

A technology for purification and treatment of rivers, which is applied in the field of purification treatment systems for black and odorous rivers, and can solve problems such as unreasonable opening and closing process, long period of water quality ecological restoration, and long engineering period.

Inactive Publication Date: 2018-07-06
湖南道同消防工程有限公司
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  • Abstract
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Problems solved by technology

In addition, in order to prevent storm surge disasters and urban drainage, estuaries have built gate control systems, and the unreasonable opening and closing process has further aggravated the deterioration of river water quality.
The treatment of tidal black and odorous rivers, like ordinary black and odorous rivers, requires comprehensive engineering measures such as pollution interception and pollution control to control external sources, sediment dredging to control internal sources, introduction of ecological base flow, and ecological restoration. Disadvantages such as huge funds, water quality improvement and long ecological restoration period

Method used

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  • Treatment method for cleaning black-odor river
  • Treatment method for cleaning black-odor river
  • Treatment method for cleaning black-odor river

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Embodiment Construction

[0058] Such as Figure 17 As shown, the purification treatment system of the black and odorous river course of the present embodiment, the purification treatment system includes a sewage preliminary purification device 1, a secondary sedimentation and biological treatment device 2, a tertiary sedimentation and sterilization and disinfection device 3, aeration and waste water reuse equipment 4 and the final purification device 5;

[0059] Such as Figure 1 to Figure 3 As shown, the sewage preliminary purification device 1 includes a preliminary purification device body 11, the preliminary purification device body 11 is composed of a preliminary sedimentation tank 12 and a controller 16, and the right side of the preliminary sedimentation tank 12 is provided with a water injection pipe 1201, and the water injection pipe 1201 is embedded Set in the preliminary sedimentation tank 12, the right side of the water injection pipe 1201 is provided with a motor 1202, and the motor 1202...

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Abstract

The invention relates to a treatment system for cleaning a black-odor river. The system comprises a primary wastewater cleaning system, a secondary precipitating and biological treating device, a third precipitating and sterilizing and disinfecting device, an aerating and wastewater recycling device and a final cleaning device. According to the system, all parts coordinately work to quickly and effectively clean the black-odor river, so that the cleaning effect is good.

Description

technical field [0001] The invention relates to the technical field of treatment of black and odorous rivers, in particular to a purification treatment system for black and odorous rivers. Background technique [0002] With the continuous and rapid development of my country's economy, many rivers have been seriously polluted and become "black and smelly rivers". According to relevant statistics, more than 80% of urban rivers in my country are polluted, many of which have seasonal or even perennial "black and odorous phenomena". In 2015, the "Water Pollution Prevention and Control Action Plan" (referred to as "Water Ten Measures") put forward clear goals for river and lake water quality control. By 2020, black and odorous water bodies in built-up areas of cities at the prefecture level and above will be controlled within 10%. By 2030, black and odorous water bodies in urban built-up areas will be eliminated in general. [0003] Good hydrodynamic conditions are the prerequis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/001C02F1/283C02F1/50C02F1/52C02F3/34C02F7/00C02F2001/007C02F2103/007C02F2301/08
Inventor 伍永辉
Owner 湖南道同消防工程有限公司
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