Lay-up Protection for Boilers and HRSGs - American Public Power ...
Lay-up Protection for Boilers and HRSGs - American Public Power ...
Lay-up Protection for Boilers and HRSGs - American Public Power ...
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Nitrogen Cap - Condenser<br />
• Addition starts while while steam<br />
turbine is still spinning down<br />
• Added quickly at first, then slowly<br />
as the vacuum approaches zero<br />
• Constant flow of 20 SCFH is<br />
maintained while the unit is down<br />
44