Inland riverbank vegetation buffering and purifying zone

Abstract

The invention provides an inland riverbank vegetation buffering and purifying zone, comprising: a riverbank vegetation buffering zone and a water and bank connection zone, wherein the riverbank vegetation zone has four layers, and a nonwoven earthwork cloth, a vegetation brick and a soil layer are laid from the ground in order. The water and bank connection zone comprises a broken stone bottom layer, nonwoven earthwork cloth, a broken stone inverted filter, ecology fish nest bricks, ecology retaining wall bricks and a coupling bar, wherein the broken stone bottom layer is laid on the river bottom, two ends of the broken stone inverted filter are connected to the nonwoven earthwork cloth layer and the broken stone bottom layer of the riverbank vegetation zone by a certain gradient, the nonwoven earthwork cloth is laid on the bottom of the broken stone inverted filter, the ecology fish nest bricks are laid on the upper of the broken stone inverted filter, the ecology retaining wall brick is used on the places approaching to the ground for protecting a dike, and the holes are arranged on the surface of the ecology retaining wall bricks. The riverbank vegetation buffering and purifying zone of the invention has advantages of big adaptation adaptive space, small land occupation, compact bank line arrangement, good landscape effect, mature technology and simple construction, and can not only satisfy the demand of water conservancy safety and landscape, bus also quicken establishment of a river ecology system, and improve and maintain water quality.

Description

technical field [0001] The invention relates to an environmental protection type riparian vegetation buffer strip purification unit, in particular to a riparian vegetation buffer purification strip for urban inland river water purification. Background technique [0002] The riparian vegetation buffer and purification zone belongs to the interlaced area of ​​water and land ecology, and is an important habitat for water and land species and wild animals. It is the source of coarse woody debris and nutrient energy in rivers and streams. The water quality of rivers and streams provides leisure places for human outdoor activities, and provides a base for the development of agriculture, forestry, animal husbandry, and fishery; the buffer zone of riverside vegetation is also an important component of nutrient management, sediment and soil erosion control, and protection of freshwater resources and environmental systems Partly, its effective function is related to the health of the ...

AI Technical Summary

Problems solved by technology

This technology requires excavation of water regulating tanks and pipelines, and its investment cost and engineering volume will inevitably increase accordingly

[0006] 2. Unable to adapt to local conditions

This technology uses a portable submersible pump to circulate water, which has certain requirements on the water level and the power supply environment around the river bank, and is not applicable to all urban inland river banks.

[0007] 3. The repair cost is high and the service life is short

In this technology, sand-free concrete is used to imitate wooden column connecting plates for isolation. Since the concrete does not contain sand, on the one hand, it is easily blocked by suspended garbage in the water body, reducing its service life. On the other hand, it is not suitable for repair after damage, and the cost is high.

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