Dryer with SCR control system uses six Radplane Series 85 heaters rated at 15.3 kW each. The heating elements reach operating temperature in seconds and rapid cooling protects products on line stops. Air impingement nozzles between the infrared heaters deliver ambient air to the web's surface. This speeds drying by breaking the boundary layer of air around the web and by removing vapors. The dryer straddles a tenter frame on integral support legs. The system also has an air knife that turns on automatically when power to the heaters is disengaged, which prevents damage to the product from residual heat.
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