Flushing, chemical cleaning and steam blow are consequent steps to achieve a clean HRSG and piping system in a Combined Cyle Power Plant. Conventional method for steam blow purges the steam produced at the HSRG's. On continous steam blow method, there is an opportunity to divert the steam to condenser following purge to atmosphere at beginning step. Afterwards, installing a filter to upstream of the condenser, the blow steam is directed to condenser. It is said that this method reduces demineralized water consumption considerably.
Please share your thoughts and experiences in terms of pros and cons for steam blow to condenser.
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