report plastic sheet production line, plastic pipe production line, plastic profile production line, carpet composite production line, mixing unit 1 operating method and instruction manual of boiling granulation dryer2 0 2 0 1 2 1 7 working principle and characteristics of boiling granulation dryer1. working principle put the powder material for granulation into the fluidized bed, and cold air enters from the rear heating chamber of the main machine. after initial and medium-effect filtering, the heater heats to the required temperature of the inlet air and enters the fluidized bed. the powder is fluidized in the bed, and the binder for granulation is sent into the fluidized bed by the infusion pump···· view detailed centrifugal spray dryer 30 report
