| 摘要 |
<p>PROBLEM TO BE SOLVED: To make it possible to form a coated film of uniform thickness on the surface of particles. SOLUTION: The device is provided with a cylindrical tank with an exhaust opening in its upper section, a porous plate 4 and a rotating disk board 5 set on the bottom of the tank, a plurality of spray nozzles 2 set in the horizontal direction in the tank, in which the spray liquid diameter is adjustable, a particle fluidized bed height sensing level sensor 16 and a tank internal pressure sensing pressure sensor 15 and a circuit for controlling the air feed and exhaust blower output by the particle fluidized bed height and the tank external pressure obtained by the sensors.</p> |
