Membrane separation technology-based rainwater sewage interception device and method

A membrane separation and rainwater technology, applied in the field of water treatment to reduce pollution

Inactive Publication Date: 2014-09-17
SHENZHEN TONGRUI ENVIRONMENTAL PROTECTION WATER SYST ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Membrane separation technology-based rainwater sewage interception device and method
  • Membrane separation technology-based rainwater sewage interception device and method
  • Membrane separation technology-based rainwater sewage interception device and method

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Embodiment Construction

[0035] Such as figure 1 As shown, the present invention discloses a rainwater interception device based on membrane separation technology, comprising:

[0036] Interception well: used to collect sewage for interception, and discharge the intercepted sewage into the sewage treatment plant;

[0037] Overflow device: used to overflow the sewage beyond the interception capacity of the interception well, and the overflowed sewage enters the membrane separation device;

[0038] Membrane separation device: used to filter overflow sewage to form filtered water;

[0039] Filtered water storage tank: used to store the filtered water discharged from the membrane separation device;

[0040] Filtered water control device: when the water level of the filtered water storage tank is lower than the outlet water level of the membrane separation device, control the membrane separation device to discharge the filtered water into the filtered water storage tank; when the filtered water When the...

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Abstract

The invention provides a membrane separation technology-based rainwater sewage interception device and method. The rainwater sewage interception device comprises a catch basin, an overflow device, a membrane separation device, a filtered water reservoir, a filtered water control device and a backwash device. The membrane separation technology-based rainwater sewage interception device and method provided by the invention have the beneficial effects that the membrane separation technology-based rainwater sewage interception device and method can effectively remove the combined sewage in a rainstorm period or the surface source pollution caused by rainwater overflowing, a water body is protected to be clean and transparent, and the pollution is reduced furthest; the membrane separation technology-based rainwater sewage interception device and method can be applied to urban drainage, water body protection, water environment repair and the like, and can be used for removing pollutants such as particles, suspended matter, organic matter and heavy metal in water, thus achieving the aim of water body protection.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a rainwater interception device and method based on membrane separation technology. Background technique [0002] Taking Shenzhen as an example, according to the report on the environmental status of Shenzhen in the fourth quarter of 2013, the water quality of Shenzhen's rivers "Longgang River and Yantian River reached the national surface water level V standard, and the water quality of other major rivers in the middle and lower reaches was worse than the V level standard. The main pollutants Ammonia nitrogen and total phosphorus. Compared with the same period of last year, the water quality of Longgang River remained at Grade V; the water quality of Yantian River changed from Grade II to Grade V, and the water quality of Shawan River changed from Grade IV to inferior to Grade V, and the water quality deteriorated significantly ; The water quality of Dasha River has changed from C...

Claims

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Application Information

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IPC IPC(8): E03F1/00E03F5/14E03F5/10
Inventor 刘国庆姚骏王荣合
Owner SHENZHEN TONGRUI ENVIRONMENTAL PROTECTION WATER SYST ENG
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