| 摘要 |
A rainwater utilization and storage system is provided to store rainwater with low pollutants selectively by removing initial rainwater containing a large quantity of pollutants from rainwater gathered through the roof of a vinyl house for agricultural purpose in rainy weather. A rainwater utilization and storage system for utilizing rainwater gathered through the roof of a vinyl house for agricultural purpose in rainy weather as agricultural water includes a downspout(3) installed to the lower part of two sides(2) of a vinyl house(1) to be inclined forward to supply rainwater forward, a first supply pipe(5) installed to be connected with the lower part of the front of the downspout, an initial rainwater removal tank(10) connected to the first supply pipe and provided with a first supply pipe opening and closing device opening and closing an outlet side of the first supply pipe according to an increase in the entered rainwater, an auxiliary pipe(11) diverged from the first supply pipe on the upper part of the initial rainwater removal tank and making rainwater flow in the first supply pipe if the initial rainwater removal tank is closed, and a rainwater storage tank(20) connected to the auxiliary pipe and storing the rainwater flew in the auxiliary pipe, wherein the initial rainwater removal tank is filled with active carbon and provided with one or more filter boxes provided with meshes, the rainwater storage tank is composed of many rainwater storage tanks and each rainwater storage tank is connected by a connection pipe(22), and an air vent pipe(24) for ventilating the inside air is installed to the top of the last rainwater storage tank, a discharge pipe(23) connected with a motor(M) is installed to the rainwater storage tank and a valve(B) for opening and closing each discharge pipe is installed additionally. In addition, an auxiliary storage tank(30) is installed to be connected to one side of the discharge pipe to get supplied with rainwater stored in the rainwater storage tank and fertilizer from an addition member(31) filled with fertilizer. |
