Composite interception system for runoff contaminants in coastal zone of rivers and lakes

An interception system and pollutant technology, which is applied in the field of compound interception system for runoff pollutants in the river and lake shore zone, can solve the problems of large investment and difficulty in maintenance and supervision, achieve good effect, low cost, and improve the effect of landscape

Active Publication Date: 2018-06-29
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the shortage of land resources in my country and the frequent human activities around the water body, it is difficult to change the w

Method used

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  • Composite interception system for runoff contaminants in coastal zone of rivers and lakes
  • Composite interception system for runoff contaminants in coastal zone of rivers and lakes
  • Composite interception system for runoff contaminants in coastal zone of rivers and lakes

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with specific examples.

[0025] Such as figure 1 with figure 2 As shown, a compound interception system for runoff pollutants in the river and lake shore zone, including a vegetation buffer zone 1, an underground collecting ditch 2 and an underground purification pool 3; the underground purification pool 3 is provided with a partition 5, a water inlet chamber 6, and a drainage chamber 7. Drain pipe 8;

[0026] The vegetation buffer zone 1 is arranged between the pollutant source and the underground collecting ditch 2, and the purification pool 3 is arranged at a certain distance on the collecting ditch 2. The purification tank 3 is divided into a water inlet chamber 6 and a drainage chamber 7 by a partition 5, the water inlet chamber 6 communicates with the underground collecting ditch 2, and the drainage chamber 7 passes the purified runoff water to the river and lake water body through the drain ...

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Abstract

The invention discloses a composite interception system for runoff contaminants in a coastal zone of rivers and lakes. The composite interception system includes: a vegetation buffer zone, an underground water collection trench and underground cleaning pools. One side of the vegetation buffer zone is connected to a pollutant converging zone while the other side is connected to the underground water collection trench; the underground cleaning pools are arranged under the underground water collection trench at interval. The vegetation buffer zone can reduce flowing speed of surface runoff and intercept mud and sand in the runoff and absorb and eliminate related pollutants. The underground water collection trench and underground cleaning pools can merge surface flow and in-soil flow, which flow out from the vegetation buffer zone, so that the runoff contaminants are adsorbed and converted again. Through multiple layers of composite interception, adsorption, conversion, absorption and thelike from the vegetation buffer zone to the underground cleaning pools, water flowing into rivers and lakes is effectively purified by combining the technologies of a vegetation filtering zone and water centralized treatment technology and combining surface runoff interception and underground percolation purification. The system effectively reduces width of the vegetation buffer zone and saves land resources, and improves landscape effect of the coastal zone.

Description

technical field [0001] The invention belongs to the field of agricultural water and soil non-point source pollution control, and in particular relates to a compound interception system for runoff pollutants in river and lake shore zones. Background technique [0002] With the growth of population and rapid economic development, water pollution is becoming more and more serious, and non-point source pollution has become an important pollutant in water bodies. Building interception and purification systems before non-point source pollution enters rivers and lakes is crucial to reducing the nutrient load of downstream water bodies and improving the environment. Quality matters. [0003] The coastal zone is located on both sides of the river or around the lake. It is the only way for surface runoff to enter the water body of the river and lake. Building a vegetation filter belt in the coastal zone can effectively intercept and retain sediment, pollutants, pesticides, and pathoge...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F1/001C02F1/281C02F3/32C02F9/00C02F2103/001
Inventor 张展羽盛丽婷夏继江陈晓安赵树成
Owner HOHAI UNIV
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