CORROSION PREVENTION FOR EVAPORATION UNIT OF MAKING FRESH WATER FROM SEAWATER AT EVAPORATION STOPPED TIME

摘要

PURPOSE:To easily and inexpensively prevent the corrosion of a multistage flash evaporation type seawater-to-fresh water converting unit by sealing pressurized N2 gas in the evaporator, into which brine remains chargeed, at the time when said unit is in no operation.