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Overview of
Air Curtain Destructor and Refractory-Lined Pit Operation .


A power source, either electric motor or diesel power unit, drives a fan which in turn creates an air curtain by forcing air through a plenum and nozzle. This high velocity air travels across the top of the pit in which a fire has been started.


The air curtain (long arrows) trap smoke and small particles and recirculate them to enhance combustion and reduce smoke. The very large volume of air accelerates combustion and provides for high pit temperatures between 1800oF. and 2500o F. Underfire air (short arrows at bottom of pit - available only on refractory-lined pits) introduces air underneath air curtain to ensure complete combustion and to minimize opacity at startup.


The refractory pit provides a safe combustion chamber. Specially designed refractory panels prevent excess heat from escaping. Refractory pits are ideal for use in areas with high water tables and sandy soil conditions or where opacity must be kept to a minimum.


Upper-Chamber refractory panels (optional on three sides) act as a heat sink, allowing more retention time in the burner to more effectively control opacity and any sparks. Expanded metal top screen (optional) controls sparks or floating debris from leaving burner.


For more
information contact:

McPherson Systems, Inc
100 Springhill Church Rd
Tifton, GA 31794
(229) 386-2367