A boiler is a closed vessel in which fluid is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, includin
A moveable (mobile) boiler (preserved, Historic Silver Mine in Tarnowskie Góry, Poland)
A stationary boiler (United States)
A superheated boiler on a steam locomotive
A boiler of Jämsänkoski's pulp mill with calorisator in 1938
A high pressure watertube boiler is a type of boiler in which water circulates in tubes heated externally by fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-ge
Boiler
…but are readily adaptable to those of the liquid or gas variety. Fire-tube boilers may also be referred to as "scotch-marine" or "marine" type boilers. Water-tube boiler Diagram of a water-tube boiler In this type, tubes filled with water are arranged inside a furnace in a number of possible configurations. Often the…
Swiss locomotive rebuilt with a Brotan boiler, in 1907
End-view of a Yarrow boiler