Urban rainwater-infiltration ecological system based on low impact development

A low-impact development and ecological system technology, applied in the field of urban sewage discharge or storm water system, can solve the problems of consuming urban groundwater resources and occupying urban permeable area, so as to increase practicability and save management and maintenance.

Inactive Publication Date: 2012-07-25
XIAN UNIV OF TECH
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  • Abstract
  • Description
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Problems solved by technology

Practice has proved that the concave green space and the bioretention pond not only need to occupy a certain amount of urban permeabl

Method used

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  • Urban rainwater-infiltration ecological system based on low impact development
  • Urban rainwater-infiltration ecological system based on low impact development
  • Urban rainwater-infiltration ecological system based on low impact development

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Embodiment Construction

[0019] Such as figure 1 with figure 2 As shown, the present invention is based on a low-impact development of the urban rainwater infiltration ecosystem, which includes a load-bearing plate 3 with a drain 2 and a load-bearing bracket 11 is fixedly installed under the load-bearing plate 3. In this embodiment, the load-bearing slab 3 is a prefabricated concrete horizontal slab, and the drainage ports 2 are opened on the horizontal and vertical surfaces of the load-bearing slab 3. The upper part of the bearing plate 3 can be used as a parking lot or a square. The load-bearing support 11 is a steel structure support, the number of which is two, and they are respectively located on the left and right sides under the load-bearing plate 3. The bearing plate 3 and the bearing bracket 11 constitute the bearing structure of the system of the present invention. A rainwater infiltration area is formed between the bearing plate 3 and the bearing support 11. The rainwater infiltration area...

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Abstract

The invention discloses an urban rainwater-infiltration ecological system based on low impact development, which comprises a bearing plate with a water drainage port, wherein a bearing bracket is fixedly arranged below the bearing plate; a rainwater infiltration area is formed between the bearing bracket and the bearing plate; the rainwater infiltration area comprises a composite filler layer having functions of purification, filtration and water retention; a certain space is reserved between the bearing plate and the composite filler layer to serve as a water reservoir bed; an overflowing pipe connected with an external water drainage pipe is arranged on the water reservoir bed; and a perforated water drainage pipe connected with the external water drainage pipe is embedded at the bottom of the composite filler layer. The urban rainwater-infiltration ecological system based on low impact development is simple in structure, has the function of purifying the water quality and storing the water, and can be effectively combined with the municipal ground.

Description

Technical field [0001] The invention belongs to the technical field of urban sewage or storm water systems, and specifically relates to an urban rainwater infiltration ecosystem based on low-impact development. Background technique [0002] Low-impact development (LID) technology is a stormwater management and non-point source pollution treatment technology developed in the late 1990s. It is different from traditional technologies such as wetlands, detention ponds, and grass ditches in that LID technology is distributed and small Large-scale source control to achieve the control of runoff and pollution caused by heavy rains, so that the development area is as close to the natural hydrological cycle as possible. In recent years, rainwater runoff pollution in most cities in my country has become more serious, which has become the primary factor in the deterioration of urban rivers and lakes. Exploring how to meet the multiple benefits of urban rainwater runoff management measures ...

Claims

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Application Information

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IPC IPC(8): E03F1/00E01F5/00
Inventor 权全沈冰罗纨解建仓张雷董莉媛郝鹏
Owner XIAN UNIV OF TECH
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