Fig. 1.

Schematic diagram of dehumidified air drying set-up. Legend 1) Dryer 2) Dehumidifier 3) Duct 4) Air blower 5) Air heating chamber 6) Heaters 7) Plenum chamber 8) Baffles 9) Drying chamber 10) Perforated wall (SS) 11) Drying air exhaust 12) Insulation (Asbestos rope) 13) Rotating desiccant bed 14) Rotating shaft 15) Motor 16) Driving chain and pulley 17) Dehumidification compartment 18) Reactivation compartment 19) Processed air inlet 20) Processed air outlet 21) Reactivation air inlet 22) Reactivation air outlet 23) Divider 24) Heater