| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily take in stored service water in an emergency, by sanitarily storing the service water, by preparing for emergency time.SOLUTION: A water supply header 4 and a water storage tank 5 are connected in order to a water distribution pipe 2 via a check valve 3, and a water supply pipe 8 is connected to one piece of water supply equipment via a switching valve 7 capable of connecting a water outlet pipe 6 and an air source to the water storage tank 5, and water supply pipes 8a, 8b, etc. to other pieces of water supply equipment except for the one piece of water supply equipment are respectively connected to the water supply header 4. The switching valve 7 is normally switched to a first position, and the service water of the water distribution pipe 2 is supplied to the one piece of water supply equipment via the water storage tank 5, the water outlet pipe 6, the switching valve 7 and the water supply pipe 8, and is respectively supplied to the other pieces of water supply equipment via the water supply header 4 and the water supply pipes 8a, 8b, etc.. While, in an emergency, the switching valve 7 is switched to a second position, and the air source is connected to the switching valve 7, and pressurized air of the air source is supplied to the water storage tank 5 via the switching valve 7 and the water outlet pipe 6, and the service water of the water storage tank 5 is supplied to the other pieces of water supply equipment via the water supply header 4 and the water supply pipes 8a, 8b, etc..</p> |
