| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fresh water generator by membrane distillation constituted of a vaporization part in which a hydrophobic porous membrane is arranged and a condensation part including a cooling surface, wherein leaked treated water is not mixed with condensation water even though the leakage of the treated water in the vaporization part occurs, and there is no need to arrange the leakage detecting means. <P>SOLUTION: The fresh water generator has a liquid phase part in which the treated water flows, a gas phase part 1, the vaporization part constituted of the hydrophobic porous membrane, the condensation part including the cooling surface and a gas phase part 2 contacting the cooling surface, and a liquid sending means for sending the treated water to the liquid phase part. The gas phase part 1 and the gas phase part 2 are coupled so as to be able to ventilate with each other, the fresh water in the liquid is taken out as vapor from the vaporization surface where the hydrophobic porous membrane contacts the gas phase part 1, and is recovered as water by being cooled and condensed by the cooling surface. The fresh water generator is characterized in that the vaporization part and the condensation part are arranged in independent areas. <P>COPYRIGHT: (C)2012,JPO&INPIT |
