Air preheater

（重定向自Pre Heater）

Typical Rotating-plate Regenerative Air Preheater (Bi-sector type)[10]

Principle function for the Ljungstrom regenerative preheater.

Schematic of typical stationary-plate regenerative air preheater

An air preheater (APH) is a general term used 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 used alone or to replace a recuperative heat system or to replace a steam coil.

单词	Pre Heater
释义	Pre Heater 英语百科 Air preheater （重定向自Pre Heater） An air preheater (APH) is a general term used 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 used alone or to replace a recuperative heat system or to replace a steam coil.
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