Scheme Modernization for the Evacuation of Noncondensable Gases from Delivery Water Heaters of Cogeneration Turbines

The cogeneration turbine vacuum system contains both a condenser and delivery water heaters (DWHs). When the steam pressure in the lower heat extraction is below the barometric pressure, an additional amount of air enters DWH-1, which is then evacuated into the condenser. This can lead to an increas...

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