Finned tube radiator: air is filtered and heated into the air distributor at the top of the dryer. The hot air enters the drying chamber evenly in a spiral form. High speed centrifugal atomizer top feed through the body, (rotating) spray into the extremely mist liquid beads, and contact with the hot air flow in short time and drying. The finished product is continuously output from the bottom of the drying tower and the cyclone separator, and the exhaust gas is exhausted by the draft fan