- (Solar)A solar heating system that preheats water or air that is then heated more by another heating appliance.
Energy terms . 2014.
Look at other dictionaries:
preheater — noun see preheat … New Collegiate Dictionary
preheater — See preheat. * * * … Universalium
preheater — noun An engineering device that preheats a material prior to some other process … Wiktionary
preheater — prÉªË hÉªËtÉ™(r) n. device for preheating; person who preheats something before using it … English contemporary dictionary
preheater — pre·heater … English syllables
preheater — “+ noun Etymology: preheat + er : any of various devices for preliminary heating: as a. : a heat exchanger used in brewing and distilling b. : any of various devices for using waste heat for preliminary heating in petroleum refining processes … Useful english dictionary
preheater system — A cold starting aid for diesel engines, consisting of glow plugs, a glow control unit, and a glow plug and starter switch, for preheating the combustion chamber or the intake air up to auto ignition temperature … Dictionary of automotive terms
Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… … Wikipedia
preheat — preheater, n. /pree heet /, v.t. to heat before using or before subjecting to some further process: to preheat an oven before baking a cake. [1895 1900; PRE + HEAT] * * * … Universalium
Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… … Wikipedia