● Study air fluidization of solid particles
Apply experimental fluidization equations
Define the DP graph for the fluidized bed as a function of air flow rate
Determine the minimum fluidization velocity
Influence of the height of the bed of particles
Study the drying of solid particles in a hot air stream
Apply the humid air graph
Determine the kinetic graphs for linear phase and diffusion phase drying
General specifications
● Air blower, 0 to 350 m3/h, variable speed drive for flow control.
● Air heating device, with safety thermostat at 90°C and low flow rate safety detector.
● Air diffuser, stainless steel fritted.
● Glass fluidization chamber, product feeding and sampling taps.
● Differential pressure measurement, piezomet‐ ric tube.
● Particle filter at air outlet.
Instrumentation
● Temperature probes Pt 100 Ω.
● 2 coupled temperature / relative humidity probes.
● One air speed transmitter with hot wire sensor.
● Vacuum gauge.
● Float rotameter.
