Research and Analysis of Efficiency Calculation about HRSG
Since the ASME-PTC4.4 code does not explicitly describe the test procedure for the efficiency of heat recovery steam generator(HRSG),specific provisions and regulations cannot be found as support in the performance test project of related combined cycle units.Takes the efficiency performance test of HRSG as the entry point and takes the performance test parameters of the 225 MW combined cycle generator unit of Shiraganj Unit No.2 in Bangladesh as the basis according to ASME PTC4.4(2008)code as reference,the test procedure of HRSG efficiency is discussed.
efficiency of HRSGexcess airtemperature of flue gassteam & water system