What is a boiler?
Boiler: A boiler is a closed vessel in which water is heated, steam is generated, superheated or any combination thereof under pressure or vacuum by the direct application of heat from combustible fuels or electricity. The steam produced is used for: Producing mechanical work by expanding it in steam engine or steam turbine.
What are the different types of boilers?
Also referred to as smoke tube boilers, shell boilers, package boilers Multiple gas paths – 2, 3 and 4 pass Internal furnace or fire box as the 1st pass Dry back or wet back design Single fuel or dual fuel design Little or no steam separation equipment Fire Tube Boilers Fire Tube Boilers
What are the basic boiler principles?
Basic Boiler Principles HOT WELL DEAERATOR EXTERNAL TREATMENT MAKE UP RETURNED CONDENSATE WATER AND HEAT FEEDWATER WATER AND SOLIDS SATURATED STEAM EVAPORATED WATER Continuous blowdown to remove dissolved solids in boiler water Intermittent blowdown to remove suspended solids in boiler water
What is a fire tube boiler?
Fire Tube Boilers Also referred to as smoke tube boilers, shell boilers, package boilers Multiple gas paths – 2, 3 and 4 pass Internal furnace or fire box as the 1st pass Dry back or wet back design Single fuel or dual fuel design Little or no steam separation equipment Fire Tube Boilers