Continuous Vibro Fluidized Bed Roaster using Flue Gas

Roasters are generally of batch-type. There are a few fluidized bed roasters which are electrically heated. However because of the volume of air required for fluidization the process is too slow to reach and maintain roasting temperatures and uneconomical. CSIR-CFTRI’s design adapts Vibro-fluidization method wherein vibration assists in fluidization (and hence uniformity), needs less air and LPG makes it almost instantaneous in reaching roasting temperatures.

CSIR-CFTRI’s design adapts Vibro-fluidization method wherein vibration assists in fluidization (and hence uniformity), needs less air and LPG makes it almost instantaneous in reaching roasting temperatures.

• Air mixed with products of combustion from LPG to get 300-350°C hot air.
• Retention time on the deck controlled by varying frequency and amplitude of vibration.
• Roasting, resting and cooling-all in one machine.
• Suitable for cereals, oil seeds, pulses.
• Capacity: ≈ 150kg/h.