A tray Dryer is an enclosed insulated chamber in which trays are placed on top of each other in trolleys. Tray Dryer are used where heating and drying are essential parts of manufacturing process in industries such as Chemicals, Dye stuff, Pharmaceutical, Food Products, Colors etc. The material to be dried either wet or solids are placed in the trays. Heat transfer is by circulation of hot air heated by electric heaters or steam / thermic fluid in radiator coils / hot air generators. Blower fans are installed inside to ensure proper circulation and transfer of heat. A control panel to control the temperature and other parameters is fixed outside the dryer. These dryers are available in Mild Steel, Stainless Steel or galvanized construction.

The Tray Dryers are normally available with choice of heating mode, as electrically heated / steam heated / thermic fluid heated / hot air heated.