A bank of tubes, in the exhaust gas duct after the boiler, used to heat the steam above the saturation temperature.
a device in a steam engine that heats the steam generated by the boiler again, increasing
a device used to increase the power of steam locomotives
Heat exchanger arranged to take heat from liquid going to the evaporator and use it to superheat vapour leaving the evaporator
a bank of steel tubes placed in the path of the exhaust gases from the furnace; the waste heat in the gases is utilised to heat up the dry saturated steam flowing through the tubes at constant presssure to obtain superheated steam