... materials,discharged by the airlock device, on the one hand,unloading smoothly,meanwhile, to prevent air leakage.GFF type ... .3. GFF type strengthen pneumatic drier and rotating expansion dryer's differenceGFF type strengthen pneumatic drier, also called nozzel stub ... crushing device wtih high-speed, it will effect on the dryer wall's clean.4.Technical parameters: typeSteam moistureKg/hPowerKwFloor ...