| 摘要 |
PURPOSE:To obtain mineral water conveniently by circulating city water always by a pressure of a pump forcibly through a water storage tank filtration bed purification and mineral eluting bed activation bed inside of a porous ceramic cylinder inside of the storage tank, in the order. CONSTITUTION:City water 3 is fed to a water storage tank 2 provided with a porous cylindrical ceramic 1 having great adsorption area and closed top, and a water feeding port 5 is provided to the foot of the side wall 4 of the tank 2. Further, each independently formed filtration bed 7, purification and mineral eluting bed 8, and an activation bed 9 are connected successively to a communicating hole 6 provided to the bottom of the tank 2 with a connecting pipe 10, and the activation bed 9 is connected to the inside of the ceramic cylinder 18 provided in the tank 2 with a connecting pipe 17. City water is circulated always forcibly through the above described circuit with a pump 11 provided in the circuit. By this method, filtration, purification, elution of mineral component, and activation of city water are prompted.
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