preheater


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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 ?
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.
This feature is an absolute must for any board that requires initial preheating, so two separate preheaters are required: initial and maintenance.
An uninsulated preheater tank will allow cold well water to warm up, winter or summer, before it gets dumped into an electric or gas, water heater.
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.
This meant that the preheater's carbon steel tubes were exposed to cooled effluent gas.
Non-isolated preheater head is for the line speed below 100 m/rain, with less accuracy +/- 5~8% in coated weights.
IR lamp is recommended when a mixture of boards that require different preheating temperatures are processed, or when one needs a preheater that can act quickly in response to different demands.
Level checks are made on each piece of equipment--hot places; hot plate entry idler rolls; glue machine; preheater drum, wrap and fixed idler rolls; bridge guide idler rolls; single facers; preconditioner drum, wrap and fixed idler rolls, and roll stands, core chucks.
Associated Manganese Mines of South Africa (Assmang) is undertaking a R375M expansion of its chrome division, including construction of a 54MVA furnace with a preheater and a 350K-mt/yr pelletizing plant at its Feralloys Ltd.
Overall, the system is simpler, with only three major components: a fuel preheater, a fuel cell, and an air preheater.