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Rotary Tunnel Dryer

Rotary Tunnel Dryer


General Advantages :

  • Can operate either as batch type or continuous type drier. We can operate either as batch type or continuous type drier.
  • Operates at low power Maximum of 5 HP
  • Drying time around 25% that of Tray Drier Saves production time.
  • Temperature can be positively controlled anywhere between 35 to 200 C
  • Very economical Material cost can be controlled as instead of a SS shell, M.S. shell with SS lining can be used.
  • Totally contained system Evaporate fumes can be directed to the desired position.
  • Product can be cooled before discharging Time saving as product can be directly sent for packing.

Uses :

For free flowing non hygroscopic powder, crystalline material, granular material, grains and any agricultural product.


Design Aspects :

Total Volume 400 to 50,000 Ltrs.
Working Volume 100 to 12,500 Ltrs.
Chamber Dimensions 600 to 1500 mm. Ø x 3 to 50 Mtr. L
Output Speed < = 1 RPM
Motor HP 5 HP Max
Drying Time 1 to 3 Hrs. (batch process)
100 Kgs. To 1000 Kgs. / Hr. (Continuous process)
Drying Temperature 35 to 200° C
Heating Hot water / Gas / Wood / Electric


Parameter to Control Rate of Drying :

  • Heating fluid temperature
  • Slope of drier
  • Speed of drier
  • Airflow in drier
Rotary Tunnel Dryer