The leakage of evaporator is often carried out. Leakage is a common fault of the evaporator, in the use of the process should pay attention to frequent leak detection.
Ammonia evaporator leakage, there is a pungent odor, leakage point is not frosting. On the leak can be used Phenolphthalein test paper, because ammonia is alkaline, in the case of Phenolphthalein test red. With the eyes, generally in the evaporator somewhere where frost is usually leaking point, but also in the leakage of soap water to find leaks.