Internal Parts of boiler:
Pressure Gauge: For indicating steam pressure
Water Level Indicator: for indicating water level.
Steam Stop Valve: Permits flow of steam from boiler as and when desired.
Feed Check Valve: Permits flow of water to boiler.
Blow off Cock: For removing settlements collected at the bottom of boiler.
Manhole: Permits entering of operator or inspection staff.
Fusible Plug: For avoiding any explosion because of overheating.
Boiler Accessories: Auxiliary equipment for the efficient boiler operation.
Preheater: A heat exchanger which is used to heat air entering the boiler with waste flue gases . Economiser: A heat exchanger to heat feed water by means of outgoing flue gasses. Superheater: To super heat the steam which is coming from boiler.
BABCOCK & WILCOX BOILER: It is horizontal, natural draught, stationary, externally fired, water tube boiler. It is high capacity boiler and can produce steam at a pressure of 4 Mpa at the rate of 40000 kg/hr.