Boiler Process Flow Diagram (PFD)

A Boiler is a closed vessel in which liquid (water) is heated and converted into gas form (steam). Boiler is a closed vessel in which water or other liquid is heated, steam or vapour is generated, steam is super-heated, or any combination thereof, under pressure or vacuum, for use external to itself, by the direct application of energy from the combustion of fuels, from electricity or nuclear energy.