Case studies of failures in thermal power plant boilers

Remaining life assessment study has become an inseparable part of conditioning monitoring and corrective/ preventive maintenance in thermalpowerplant boilers primarily due to the growing awareness and concern in the Indian Power utilities. This paper discusses some of the case studies of the failures noted in boilers, the analysis of the failures and the recommendations / corrective actions taken. The paper thus emphasizes the need for awareness on all the possible modes of failures in the boilers. Based on this awareness and history of a particular Boiler, the scope / extent and methodology of RLA study should be devised