| 摘要 |
PURPOSE: A collective system for supplying drinking water with circulation function is provided to prevent water-waste by quickly drinking the wanted-temperature water by reducing temperature deviation of water by intermittently circulating filtered water, and to prevent secondary pollution of drinking water caused by storing water for a long time by actuating a circulation pump and plural first and second filters. CONSTITUTION: First filters(151,152,153,154) and a feed pump(180) are installed in an inlet pipe(131) connecting the water-source to a reservoir tank(120), and a sterilizer(170) and a hot water tank(190) are mounted in a water supply pipe connecting the reservoir tank to a faucet. A circulation pipe(161) is installed between a distribution pipe(133) and the reservoir tank, and a circulation pump(162) is installed in the circulation pipe and driven/controlled intermittently by a circulation timer(163). Second filters(201,202,203,204) are installed in the circulation pipe to purify water around the circulation pump.
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