(Objective) Provided is a membrane distillation device capable of improving the durability of a distillation membrane. (Solution) A membrane distillation device (1) includes: an evaporator (10) having a distillation membrane (12) through which steam of a supplied liquid to be treated passes; and a water restoring unit (20) to cool the steam generated from the evaporator (10) by the liquid to be treated, which has a status before supplied to the evaporator (10) and to generate distilled water. The liquid to be treated, which is subject to the evaporator (10), is boosted in pressure by a circulation pump (5) and supplied to the evaporator (10) together with a portion of the liquid to be treated, which is subject to the water restoring unit (20).
(과제) 증류막의 내구성을 향상시킬 수 있는 막증류식 증류장치를 제공한다. (해결수단) 공급된 피처리액의 증기가 투과하는 증류막(12)을 구비하는 증발부(10)와, 증발부(10)에서 발생한 증기를 증발부(10)에 공급하기 전의 피처리액에 의하여 냉각하여 증류수를 생성하는 복수부(20)를 구비하는 막증류식 증류장치(1)로서, 증발부(10)를 통과한 피처리액을 순환펌프(5)로 승압하여 복수부(20)를 통과한 피처리액의 일부와 함께 증발부(10)에 공급한다.
MEMBRANE DISTILLATION DEVICE
막증류식 증류장치
2020-12-08
Patent
Electronic Resource
Korean
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