Sunk type green land rainwater treatment system and construction method thereof

A treatment system and green space technology, which is applied to the rainwater treatment system of a sunken green space and its construction field, can solve the problems of insufficient discharge speed of urban drainage pipes, the outbreak of water resources crisis, and the occurrence of rain and waterlogging, so as to improve the ability to resist the impact of water flow and facilitate the Maintenance, cost saving effect

Active Publication Date: 2017-05-31
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology

In the past, cities relied too much on gray infrastructure to discharge rainwater, which led to the following two phenomena: For cities with high annual rainfall, because the pipe diameter was too small in design, the drainage speed of urban drainage pipes was not enough when heavy rains occurred. Insufficient capacity leads to

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  • Sunk type green land rainwater treatment system and construction method thereof
  • Sunk type green land rainwater treatment system and construction method thereof

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Example Embodiment

[0041] Such as Figure 1 to Figure 2 Shown here is a rainwater treatment system for a sunken green space 1, including a sunken green space 1, an overflow well 2, a pretreatment tank 3 and a water storage tank 4. The left and right ends of the sunken green space 1 are provided with buffers Ditch 5, the buffer ditch 5 is planted with buffer vegetation 6, and the rainwater entering the sunken green space 1 is pretreated through the buffer ditch 5, and the rainwater entering the sunken green space 1 is purified, and the rainwater Removal of large particles of pollutants and slowing down the flow rate of rainwater to a certain extent. Planting buffer vegetation 6 can not only improve the landscape performance, but also by buffering the growth of vegetation 6, can further improve the buffering and purification effect of buffer trench 5, and the design is more reasonable The sinking green space 1 is provided with a water storage cavity 7 below, and a drainage pipe port 8 is provided o...

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Abstract

The invention discloses a sunk type green land rainwater treatment system. The sunk type green land rainwater treatment system comprises a sunk type green land, overflow wells, a pretreatment box and a water storage tank, the left side of the right side of the sunk type green land are both provided with buffer trenches, a water storage cavity is formed under the sunk type green land, the outer side of the water storage cavity is provided with a drain pipe opening, the left side and the right side of the sunk type green land are both provided with overflow pipe openings, the left side and the right side of each buffer trench are provided both with overflow wells, and the drain pipe opening is connected to a rain inlet of a filtering hydrocyclone through a connecting pipe. The construction method comprises the steps of 1, early-stage management; 2, establishment of the sunk type green land, 3, establishment of the overflow wells; 4, installation of the pretreatment box and the water storage box; 5, installation of the filtering hydrocyclone; 6, cleanup, check and repair. The sunk type green land rainwater treatment system is simple in structure and high in practicability, the whole rainwater treatment system is convenient in use, east to construct, convenient in later maintenance, check and repair, much in rain storage amount, and capable of dealing with the condition that a city has a large amount of rainfall.

Description

technical field [0001] The invention relates to a sunken green land rainwater treatment system and a construction method thereof. Background technique [0002] With the acceleration of China's urbanization process and the expansion of cities, problems such as urban waterlogging, rain and flood control, and water shortages have also emerged. In the past, cities relied too much on gray infrastructure to discharge rainwater, which led to the following two phenomena: For cities with a large annual rainfall, the urban drainage pipes were not fast enough when heavy rains occurred due to the small diameter of the pipes when they were designed. Insufficient capacity leads to rainwaterlogging; and for cities lacking rainwater resources, because urban roads and squares are generally paved with hard bricks, a large amount of rainwater resources are poured into drainage pipes, and the impact on water resources in the production and living process Excessive development and pollution hav...

Claims

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Application Information

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IPC IPC(8): E03F5/04E03F5/10C02F9/14
Inventor 刘学应柴啸姜展超苗玉杰
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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