PROBLEM TO BE SOLVED: To provide a clean water generation apparatus in which, while the apparatus is compactified by using a film distillation method, the operation cost of apparatus can be reduced.SOLUTION: A clean water generation apparatus 1 comprises a raw-water supply circuit 11 for supplying a raw-water to a heater 10, a recirculation circuit 13 for supplying the raw-water warmed by heater 10 to the primary side of a distillation film 12 and returning and recirculating the same to heater 10, a flow-sending circuit 14 for flow-sending the vapor generated on the secondary side of distillation film 12, and a heat exchanger 15 for carrying out a heat exchange between the vapor in flow-sending circuit 14 and the raw-water in raw-water supply circuit 11.COPYRIGHT: (C)2016,JPO&INPIT【課題】膜蒸留法を用いて装置をコンパクト化しつつ、装置の稼働コストを低減できる清浄水生成装置を提供する。【解決手段】清浄水生成装置1は、原水をヒータ10に供給する原水供給回路11と、ヒータ10で加温された原水を蒸留膜12の一次側に供給し、その後ヒータ10に戻して循環させる循環回路13と、蒸留膜12の二次側に生成された蒸気を送流する送流回路14と、送流回路14の蒸気と原水供給回路11の原水との間で熱交換を行う熱交換器15とを有している。【選択図】図1
