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Cross Flow | The '''Cross Flow Dryers''' combine the simple operation of a batch system with the increased efficiency of a semi-continuous design. In this type of dryer, the blower forces hot air through many small ducts, or channels. Each tray slot has its own channel and receives a direct flow of air. This reduces drying time, and allows processing of all the trays at once. To prevent overheating of the trays, a cross flow dryer uses sensors to control the blower output. While this approach makes the design very efficient, it also increases the complexity and cost of the dryer. |