Month: August 2021
AIR PRE HEATER
Air Preheater Air preheater is an heat recovery device, used in the last stage in the boiler It is a heat exchanger that absorbs heat from exit flue gas in boiler and transfers the heat to the incoming cold air (primary air & secondary air) In utility boilers it is used toRead More
NRV IN EXTRACTION LINES
Non return valves has been installed on the non regulated extraction lines to prevent racing of TG set by reverse flow of steam at the time of tripping or shut down. These valve are force closed whenever the emergency stop valve are closed or the generator is isolated from theRead More