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Overflow rainwater interception and division control device provided with combined pipe network

A control device and confluence technology, which are applied in water supply devices, grease/oily substance/float removal devices, waterway systems, etc., which can solve the problem of the large influence of river water body replenishment, the high cost of sewage treatment plants, and the treatment capacity requirements of sewage treatment plants. High and other problems, to achieve the effect of prolonging the working life, simple process, low construction and maintenance costs

Inactive Publication Date: 2014-03-19
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
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Problems solved by technology

[0004] There are deficiencies in the above treatment methods. Collecting rainwater and sewage into the sewage treatment plant requires high processing capacity of the sewage treatment plant, and the cost of building and operating the sewage treatment plant is high.
Instead of being directly discharged into the river, it will have a greater impact on the replenishment of the river water body, reducing the river's role in regulating the ecological environment and the use value of the river

Method used

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  • Overflow rainwater interception and division control device provided with combined pipe network

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, but these embodiments should not be construed as limiting the present invention.

[0022] see figure 1 , the present invention merges pipe network overflow rainwater interception diversion control device, comprises the merged pipe network 1, the leap well 2, the diversion well 3, the check valve 4, the manual valve 5, the overflow pipe 6, the grit chamber 7 and Delivery pipe 8.

[0023] The bottom surfaces of the combined pipeline network 1, the jump well 2, the diversion well 3 and the grit chamber 7 are arranged according to the terrain from high to low, and the output port of the combined pipeline network 1 is connected with the input port of the jump well 2 , the rainwater output port of the jump well 2 is connected with the rainwater input port of the diversion well 3, and the sewage output port of the jump well 2 is connected with the mun...

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Abstract

The invention discloses an overflow rainwater interception and division control device provided with a combined pipe network. The overflow rainwater interception and division control device comprises the combined pipe network and a grit chamber, wherein a jump flow well and a division well are further arranged between the combined pipe network and the grit chamber; bottom surfaces of the combined pipe network, the jump flow well, the division well and the grit chamber are arranged from high to low according to the terrain; an output port of the combined pipe network is connected with an input port of the jump flow well, rainwater output ports of the flow jump well and the division well are connected with rainwater input ports of the division well and the grit chamber respectively; and a sewage output port of the jump flow well is connected with a municipal sewage pipeline. The device can divide domestic sewage and runoff in a rainy day, can divide medium-term runoff and later-period runoff in the rainy day, can more effectively treat sewage and runoff in the rainy day, has a small influence on the environment, combines terrain and topography, is simple in process and low in building and maintaining cost and can be widely applied to the non-point source pollution control field.

Description

technical field [0001] The invention relates to the surface source pollution control technology, in particular to a control device for intercepting and diverting rainwater overflowing from a merged pipe network. Background technique [0002] Due to the complexity of the urban drainage pipe network, it is very difficult to completely separate the existing rainwater pipe network from the sewage pipe network. Therefore, there are a large number of combined pipe networks that discharge rainwater and domestic sewage in my country, resulting in difficulties in diversion and treatment. . This kind of pipe network mainly discharges dry sewage in sunny days, and the flow rate is small, but the concentration of pollutants is high. When it rains, the rainwater scours the ground to form surface runoff with a high concentration of pollutants. This runoff flows into the confluence pipe network through the ground stormwater outlet. The initial surface runoff mixes with domestic sewage, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F5/10E03F5/14
Inventor 赵建伟段丙政单保庆张洪李立青华玉妹
Owner HUAZHONG AGRI UNIV
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