Separation Process of Fine Coals by Ultrasonic Vibration Gas-Solid Fluidized Bed

Figure 1

Schematic diagram of the experimental system: (a) roots blower; (b) air reservoir; (c) air valve; (d) vortex flow meter; (e) pedestal; (f) spring; (g) ultrasonic transducer; (h) air distribution plate; (i) fluidized bed; (j) cable; (k) ultrasonic power supply.