Operating method of fluidized bed granulator and the fluidized bed granulator

Operation method of a fluidized bed granulator to stay the seed material and the added material to the support state with the compressed air from inside the flow chamber to produce the desired granules, using parts of the main compressed air injection for supplying the main compressed air from the flow chamber lower portion by maintaining the raw material and the seed material is added in the state of floating in the flow chamber; And toward the top at the ends of the partition disposed in a lower flow chamber and a step of discharging the secondary compressed air.