Troubleshooting Steam Surface Condensers（故障排除蒸汽冷凝器表面）.pdf

Troubleshooting Steam Surface Condensers Troubleshooting Steam Surface Condensers HTS Forum 12 September 2012 Steam Condenser Troubleshooting What is a steam surface condenser? Troubleshooting tools Is there a problem? Fault diagnosis Locating air leaks Condenser monitoring © Progressive Thermal Engineering – all rights reserved Page 1 Troubleshooting Steam Surface Condensers What is a Surface Condenser? Steam Turbine Work Condenser CW What Does it Do? Condenses the exhaust steam → Rejects the latent heat at the lowest practical temperature → Condenses under vacuum By creating vacuum, the condenser increases the efficiency of the turbine The condenser also performs some other important functions © Progressive Thermal Engineering – all rights reserved Page 2 Troubleshooting Steam Surface Condensers Condenser Temperature Profile Temperature, °C Temperature approach Tsat CW out ∆T CW in Condenser duty Duty, kW Q = U A ∆T , if U and A are large, ∆