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High water content two-way flow sponge type wetland rainwater purification, regulation, storage and reuse system and method

A purification system and two-way flow technology, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve the impact of rainwater purification capacity and rainwater storage capacity, which cannot be realized Efficient and subtle purification of rainwater, easy to block and other problems, to achieve the effect of expanding rainwater storage capacity, expansion of storage and purification capacity, and convenient maintenance

Active Publication Date: 2017-09-01
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the current popular sunken wetlands are easy to be blocked, and the rainwater purification capacity and rainwater regulation and storage capacity are affected by the area of ​​the wetlands, and cannot achieve efficient storage and purification of rainwater, the present invention provides a high water content two-way flow sponge type Wetland rainwater purification, regulation, storage and reuse system and method can realize long-term purification of rainwater without energy consumption

Method used

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  • High water content two-way flow sponge type wetland rainwater purification, regulation, storage and reuse system and method
  • High water content two-way flow sponge type wetland rainwater purification, regulation, storage and reuse system and method
  • High water content two-way flow sponge type wetland rainwater purification, regulation, storage and reuse system and method

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specific Embodiment approach 1

[0027] Specific implementation mode one: combine figure 1 To illustrate this embodiment, the high water content two-way flow sponge type wetland rainwater purification and storage system consists of a rainwater desanding well 1, a rainwater purification rough stone filter 2, an aerobic rainwater purification and storage unit 3, and a two-way flow wetland purification system 4. Partial composition.

specific Embodiment approach 2

[0028] Specific implementation mode two: combination figure 1 , figure 2 , Figure 4 To illustrate this embodiment, the rainwater sand removal well 1 includes a coarse grid 1-1, a fine grid 1-2, and a cover plate 1-3 for the slag removal port of the sand removal well. The nozzle is installed at a 90-degree angle, the coarse grid 1-1 spacing is 8-10mm, and the grid area is greater than 0.5m 2 , the specific data is based on the rainwater runoff, and the fine grid 1-2 is installed on the side opposite to the rainwater inflow direction at an angle of 75 degrees in the rainwater desanding well 1, covering the bottom rainwater purification rubble filter 2. The slag removal port cover plate 1-3 of the desanding well 1 is on the top of the rainwater desanding well 1, and the mouth width is greater than 1m to facilitate slag removal. The rainwater desandering well 1 is a reinforced concrete pure soil structure.

specific Embodiment approach 3

[0029] Specific implementation mode three: combination figure 1 , figure 2 , Figure 4 To illustrate this embodiment, the rainwater purification rubble filter 2 is located at the lower part of the rainwater desanding well 1 and is filled with rubble with a particle size of 10cm-5cm. The outside is a water retaining wall 2-1 formed by filling the pores with concrete, and the inside is a concrete water retaining wall 2-4 to prevent rainwater from flowing out or directly flowing into the aerobic rainwater purification and storage unit 3. The water retaining wall 2-1 and the concrete The retaining wall 2-4 is to effectively separate the rainwater purification rubble filter 2 and the facultative rainwater purification and storage unit 3 . The rainwater flows through the gaps between the rubble, and the biofilm formed in the gaps is used to purify the water quality and remove fine particles to prevent the wetlands from being blocked.

[0030] Specific implementation mode four: c...

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Abstract

The invention discloses a high-water-content bi-flow sponge wetland system for rain purification, regulation, storage and recycling and a method of rain purification, regulation, storage and recycling. The system comprises a rain desanding well, a rain purification rubble pond, an aerobic rain purification, regulation and storage unit and a bi-flow wetland purification system. The rain purification rubble pond is located below the rain desanding well and is built with rubble filling; a water retaining wall made by filling voids with mixed soil is located outside the rain purification rubble pond, and a concrete water-retaining wall is located inside the rain purification rubble pond; holes communicated with the aerobic rain purification, regulation and storage unit are provided in the bottom of the rain purification rubble pond; the aerobic rain purification, regulation and storage unit is a rectangular pond composed of a bottom plate, another concrete water-retaining wall, an outer concrete water-retaining wall and a top steel pierced plate and is filled with fiber carrier filler; the bi-flow wetland purification system is located at the top of the aerobic rain purification, regulation and storage unit. The system and the method have the advantages that regulation and storage and ecological purification are available for incoming rain, building cost is low, operation cost is low, and the system is of long effectiveness and good landscape effect.

Description

technical field [0001] The invention relates to a sponge-type wetland rainwater purification, regulation, storage and reuse system and method. Background technique [0002] Many cities in my country are facing frequent flood disasters and water shortages. The sponge-type wetland technology integrates "sponge city" and the latest rain and flood management concepts at home and abroad, and uses sponge-type wetlands to prevent waterlogging and purify rainwater, so as to realize the utilization of rainwater resources and beautify environment. [0003] The well-known sponge-type wetland is an ordinary naturally sunken wetland, which has the ability of natural accumulation, natural infiltration, and natural purification of rainwater, but the ordinary natural subsidence wetland lacks pretreatment of rainwater, which is likely to cause wetland blockage and reduce rainwater storage. At the same time, the water holding capacity of ordinary wetlands depends on the area of ​​wetlands. Wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 王丽王琳李艳李浩然
Owner HARBIN INST OF TECH
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