Sponge roof rainwater collects system that utilizes

Sponge roof rainwater collects system that utilizes, including roofing system, pipe -line system and water storage system, pipe -line system links to each other with roofing system for give water storage system with the unnecessary convey rainwater on the roofing system, water storage system is used for the storage to flow down next rainwater by pipe -line system, and pipe -line system still linksto each other with water storage system, is used for irrigating the rainwater in the water storage system vegetation and washing the lavatory. The utility model has the advantages of following showing: roofing system effectively collects the rainwater, and the vegetable layer carries out preliminary collection utilization and has filter effects to the rainwater, partial rainwater is effectively held back to the vegetable layer, has reduced the rainfall runoff volume, and then reduces rainwater pipe network drainage pressure, increase the vegetable layer and cover, can increase greening area,air -purifying to effectiv