REGENERATING DEVICE FOR ANTIFREEZE

摘要

PROBLEM TO BE SOLVED: To provide a regenerating device for antifreeze capable of performing cleaning action for a reverse osmotic membrane by automatically judging the lowering of the function of the reverse osmotic membrane during the antifreeze regenerating operation. SOLUTION: A 1st rout for performing the regeneration of the antifreeze, a 2nd rout for cleaning the reverse osmotic membrane with water and a 3rd rout for cleaning with a chemical are provided and when it is discriminated by a signal from an electrical conductivity meter provided in an ion exchange resin 6 that the ion exchange resin reaches the life during the regeneration working, it is judged that the function of the osmotic membrane 5 is lowered and the cleaning rout is automatically switched to the 2nd and the 3rd rout. Since the reverse osmotic membrane 5 is automatically cleaned when the function of the reverse osmotic membrane 5 is lowered in the regeneration working of the antifreeze, the lowering of the function of the reverse osmotic membrane 5 is accurately judged, the switching work to the cleaning rout by manual is made needless and the efficiency of the regeneration of the antifreeze is improved.