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A system and method for purifying non-point source pollution in water areas

A non-point source pollution and water area technology, applied in the field of ecological environment, can solve problems such as pollution, and achieve the effect of easy promotion, obvious effect, and improvement of road landscape effect.

Active Publication Date: 2016-03-09
BEIJING ORIENT LANDSCAPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that road surface runoff carries a large amount of pollutants into the water body and becomes the main source of non-point source pollution in urban waters. Pollutants that pollute receiving water bodies

Method used

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  • A system and method for purifying non-point source pollution in water areas
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  • A system and method for purifying non-point source pollution in water areas

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Embodiment 1

[0032] The invention proposes a system for purifying non-point source pollution in water area composed of a primary purification unit, a slow filter unit, a deep purification unit and a biological purification unit. And the system incorporates the concept of road landscape design to form a landscape-type pavement runoff ecological treatment system suitable for different environments and geographical conditions. Such as figure 1 , figure 2 As shown, the system of the present invention includes a primary purification unit 1 , a slow filter unit 2 , a deep purification unit 3 and a biological purification unit 4 arranged in sequence along the first direction A from the road surface to the water area. The system is set in the amphibious zone between the receiving water area 14 and the road surface or road slope or the outlet area of ​​the urban rainwater pipe network.

[0033] The primary purification unit 1 is a pebble structure layer, and the pebble structure layer is arrange...

Embodiment 2

[0042] The present invention also provides a method for purifying water area non-point source pollution, said method comprising adopting the following steps to construct said system for purifying water area non-point source pollution:

[0043] A. Site preparation; including site cleaning, slope and soil quality meeting the requirements of civil engineering design specifications, and preparation of structural materials;

[0044] B. The primary purification unit 1 is formed by using the pebble structure layer with a slope of 10-30° and a thickness of 10-25 cm;

[0045] C. Excavate the gentle slope trench structure, roll and compact the bottom layer, spread the fine sand to meet the thickness requirement, level the fine sand, spread gravel and meet the thickness requirement, and level the gravel to form the slow filter unit 2 ;

[0046] D. Assembling the deep purification unit 3; including assembling the gabion assembly and filling the steel slag and zeolite and the mixed fillin...

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Abstract

The invention relates to a system and a method for purifying water area surface source pollution. The system comprises a primary purification unit, a slow filter tank unit, a deep purification unit and a biological purification unit which are arranged along a first direction from a road surface to a water area in sequence. According to the system, a road landscape design idea is adopted and the road surface runoff biological treatment system suitable for different environments and region conditions is formed, so that pollutants in a runoff can be effectively removed from sources the influences to the peripheral biological environment, caused by road development, are reduced and lowered to the greatest extent, and furthermore, the pollution to receiving water, caused by pollutants generated by washing the road surface through rainwater, is effectively controlled, and the road landscape effect is improved. The system and the method are applicable to prevention of river and lake surface source pollution and are particularly suitable for city and suburb water runoff pollution management.

Description

technical field [0001] The invention relates to the field of ecological environment, in particular to a system and method for purifying water area non-point source pollution, especially suitable for the prevention and control of river and lake non-point source pollution caused by road rainwater runoff in cities. Background technique [0002] In the traditional road drainage method, the runoff from the road surface is directly discharged into the urban drainage system or receiving water body through the urban rainwater pipe network. However, when precipitation forms road surface runoff, the particles in the vehicle exhaust falling on the road surface, the dripping of vehicle fuel on the road surface, the wear and tear of tires and road surface, and other harmful substances will be carried by the rainwater and discharged into water bodies or farmland, etc. In the surrounding natural environment, the environmental quality is reduced. [0003] A number of research results show ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
CPCC02F3/327C02F3/34C02F9/00C02F2301/08
Inventor 高彦波邢萌萌蔡飞樊蓓莉谭德远翟鹏辉王婉清郭宏凯
Owner BEIJING ORIENT LANDSCAPE
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