WATER SUPPLY SYSTEM UTILIZING RAINWATER

摘要

PPROBLEM TO BE SOLVED: To provide a water supply system utilizing rainwater, which makes the rainwater stored in a tank, which enables the stored water to be directly supplied to water spray equipment for gardening, and which makes the water in the tank fed to the roof, so that the water can be used for the cooling of a roof in summer and the removal of accumulated snow in winter by means of a roof water spray pipe. PSOLUTION: A water storage tank 1 and a water supply pump 2 are provided adjacently to a building H; a lower end of a rainwater inflow pipe 4, the upper end of which is connected to a rain gutter 3 provided on the roof R of the building H, is connected to the water storage tank 1 via a filter 5; and a main water supply pipe 6 for discharging/supplying the water in the water storage tank 1, sucked in by the water supply pump 2, is elongated, connected to a water supply hose 8 of the water spray equipment 7 for gardening via a timer 9, and connected to the roof water spray pipe 10, provided on the roof R, via a water supply pipe 11 for the roof and an on-off valve 12. PCOPYRIGHT: (C)2008,JPO&INPIT