preheater


Also found in: Dictionary, Thesaurus, Wikipedia.

preheater

[prē′hēd·ər]
(mechanical engineering)
A device for preliminary heating of a material, substance, or fluid that will undergo further use or treatment by heating.

preheat coil

preheat coil
In an air-conditioning system, a coil used to preheat air which is below freezing to a temperature somewhat above freezing, in advance of other processing.
References in periodicals archive ?
One seemingly obvious way to do this was to increase the temperature setting of the plant's scrap preheater.
All of these preheating systems are effective only if adequate methods of quickly transferring the scrap from the preheater to the electric furnace are taken.
These units are fitted with sand preheaters and recuperators to increase thermal efficiency.
All of the air cannons in the main production line network are equipped with the Martin Engineering XHV Valve, designed specifically to deliver premium performance and long service life in preheater towers, clinker coolers and other high-temperature applications.
In the sequence of events, Board "A" is positioned under preheater 1 and is fluxed; then preheater 1 is turned on.
Our preheater tank is not insulated so it also serves as a space heater in the closet and bathroom where it is.
This is the first Metso rotary kiln with preheater to be installed at NLMK and it is expected to produce 800 tonnes of lime per day, and increases the lime production by 250,000 tonnes annually.
The oversight involves the boiler feedwater preheater.
TA has two types of fiber spray heads for different markets--a non-isolated preheater head for glue and preheated air for fiber spray and an isolated preheater head for glue and air, which can catch the high speed application without heat loss and external effects.
The middle-wave IR transfers relatively more heat into the PCB material (through direct radiation) than does the forced convection preheater.
If you live where the weather rarely falls to 20 degrees, you probably can't justify an expensive installed preheater of the type we reviewed in the March 2007 issue of Aviation Consumer.
The Caloratherm standalone preheater reaches an upper temperature limit of 100 C and can be easily integrated with any laboratory's HPLC equipment.