The new type of mobile combined cleaning screen is mainly used for cleaning and screening granular materials in industries such as grain purchasing, storage, flour, feed, and grain and oil processing. This machine adopts a high-frequency small-amplitude vibration motor. The screen body has high rigidity and strength. It is equipped with a impurity cleaning circulation air separator. By changing the screen mesh of different specifications, it can clean various materials such as wheat, corn, soybeans and rice.

The dust suspended in the external cyclone moves towards the wall of the device under the action of centrifugal force and then flows to the lower part of the dust collector along with the external cyclone, and is discharged through the dust discharge hole. The purified gas forms an ascending inner swirl and is discharged through the exhaust pipe.