Evaporator Normal “SHUT-DOWN” in automatic condition

 Normal “SHUT-DOWN” in automatic condition

·        Push the ‘AUTOMATIC STOP’ button.

·        The steam booster valve VA-SI-01 closes.

·        The hot water pump PU-HW-01 stops.

·        The ejector pump EC-PU-01 stops.

·        The vacuum breaker VA-SV-01 opens.

·        The system cools down for a period of time.

·        The seawater pump SW-PU-10 stops.

·        The feed water valve FE-VA-10 closes.

·        The chemical pump PU-CU-01 stops.

·        The seawater flash pump PU-SF-01 stops.

·        The seawater flash drain valve VA-SF-01 opens.

·        The vessels levels are drained for a period of time.

·        The brine pump BR-PU-10 stops.

·        The brine valve VA-BR-06 closes.

·        The distillate pump PU-DI-01 stops.

·        The distillate valve VA-DI-01 closes.

For more information see:

Alfa Laval ‘Instruction manual for desalination units’ – Binder 1/3

- Section 4.4 Normal shut-down.