A use of heat to reduce moisture content of materials of mechanical equipment for the drying operation of the object. Dryer by heating the material in the moisture vapor escape, to obtain the specified moisture content of solid materials. The purpose of drying is to use or further processing of materials needs.
Drying operation for many types of packaging machine and equipment, depending on the operating pressure can be divided into pressure and vacuum. According to methods of operation can be divided into intermittent and continuous. According to the drying medium can be divided into air, flue gas or other drying medium. According to movement can be divided into and flow, countercurrent, and cross-flow.According to operating pressure, atmospheric pressure dryer is divided into two types of dryers and vacuum dryer
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