AIR-SCREW DEVICE FOR CLEANING AND DRYING BULK MATERIALS Russian patent published in 2017 - IPC F26B3/06 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry. The air-screw device for cleaning and drying bulk materials comprises a housing with a rotatable screw mounted inside it, a receiving-loading device, an inlet and an outlet pipes and a hopper for cleaned grain. The housing is a tube with a diameter allowing free rotation of the screw. The lower part of the housing between the receiving-loading device and the opening for outputting clean grain is formed as a perforated surface with a diameter of the openings smaller than the processed material. A heating element is mounted in the inlet pipe for heating the air used to dry the processed material. The suction fan is mounted in the lower part of the housing directly under the outlet pipe.

EFFECT: invention provides efficient processing of bulk materials.

1 dwg