As discussed very briefly in Clause 1
of this chapter, the steam generation plant, or boiler, forms one of the fundamental units of thermal power plants; it is nothing but the practical and sophisticated representation of a basic heat engine that follows the Rankine cycle. The term boiler
can be used for subcritical steam generators; however, at pressures above this (i.e., super- or ultracritical application), the term boiler
is not applicable because there is no boiling at all and the term steam generator
is the most appropriate.
A boiler is a combination of several items that present a means for combustion to provide heat energy to be transferred to water until it becomes heated steam. There lies the function of the ...