A rain garden system for anti-clogging sponge city construction
A technology for rain gardens and sponge cities, applied in waterway systems, sewer systems, horticulture, etc., can solve the problems of poor permeability of planting soil layers and artificial filling layers, poor permeability of the overall structure of rain gardens, and limited removal capacity, etc. Achieve the effect of improving water purification function, benefiting water purification and improving water permeability
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Embodiment 1
[0033] An anti-clogging sponge city construction rainwater garden system is designed according to the following structural parameters:
[0034] The initial rainwater surface runoff is discarded and then discharged into the municipal sewage pipe network (or the combined rainwater and sewage pipe network) for centralized treatment by the sewage treatment plant. The design volume of the initial rainfall runoff is calculated according to the runoff thickness of 6mm in the abandoned well by the improved volumetric method. A liquid level float switch is installed in the well to control the water inlet and outlet valves. When the abandoned flow well is full, the water inlet valve is closed, and the rainwater continues to flow into the aquifer 1 of the rain garden system through the rainwater pipe. The initial rainwater in the abandonment well flows slowly through the drain pipe within 18 hours. When the liquid level in the abandonment well is lower than 10%, the valve of the rainwate...
Embodiment 2
[0042] An anti-clogging sponge city construction rainwater garden system is designed according to the following structural parameters:
[0043] The initial rainwater surface runoff is discarded and then discharged into the municipal sewage pipe network (or the combined rainwater and sewage pipe network) for centralized treatment by the sewage treatment plant. The design volume of the initial rainfall runoff is calculated according to the runoff thickness of 7 mm in the abandoned flow well by the improved volumetric method. A liquid level float switch is installed in the well to control the water inlet and outlet valves. When the abandoned flow well is full, the water inlet valve is closed, and the rainwater continues to flow into the aquifer 1 of the rain garden system through the rainwater pipe. The initial rainwater in the abandonment well flows slowly through the drain pipe within 20 hours. When the liquid level in the abandonment well is lower than 10%, the valve of the ra...
Embodiment 3
[0051] An anti-clogging sponge city construction rainwater garden system is designed according to the following structural parameters:
[0052] The initial rainwater surface runoff is discarded and then discharged into the municipal sewage pipe network (or the combined rainwater and sewage pipe network) for centralized treatment by the sewage treatment plant. The design volume of the initial runoff of rainfall is calculated according to the runoff thickness of 8mm in the abandoned flow well by the improved volumetric method. A liquid level float switch is installed in the well to control the water inlet and outlet valves. After the abandonment well is full, the water inlet valve is closed, and the rainwater continues to flow into the aquifer 1 of the rain garden system through the rainwater pipe. The initial rainwater in the abandonment well flows slowly through the drain pipe within 24 hours. When the liquid level in the abandonment well is lower than 10%, the valve of the ra...
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