Rainwater collecting, purifying and recycling system for sponge city planning and construction
A rainwater harvesting and sponge city technology, applied in waterway systems, general water supply conservation, runoff/rainwater treatment, etc., can solve problems such as road flooding, insufficient use of rainwater resources, unstable system operation, etc., to alleviate urban Non-point source pollution, maintaining urban ecological balance, and ensuring the effect of purification treatment efficiency
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[0035] Such as Figure 1-Figure 11 As shown, the present invention provides a rainwater collection, purification and reuse system oriented to the planning and construction of a sponge city, including a drainage ditch 1, a road rainwater collection and purification area 7, a roof rainwater collection and purification area 9, and a green area rainwater collection and purification area 10. The ditch 1 is provided with a sewage pipe 2 connected to the water collection pipe 6, and the rainwater in the road rainwater collection and purification area 7, the roof rainwater collection and purification area 9, and the green space rainwater collection and purification area 10 all flows into the water collection pipe 6 through the municipal pipe network 8, The water collection pipe 6 is connected to the primary purification module 11, and the rear of the primary purification module 11 is sequentially provided with a secondary purification module 19 connected by pipelines, an acid-base adju...
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