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
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[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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