AERODYNAMIC RECIRCULATING SEPARATOR OF BULK MATERIALS Russian patent published in 2018 - IPC B07B4/02 A01F12/00 B07B7/00 B07B11/00 

FIELD: agriculture.

SUBSTANCE: invention refers to agriculture. Aerodynamic recirculation separator for bulk products includes an air blower with means for defining the direction of flow at its outlet, separation chamber with two inlets and two outlets, charging hopper, at least one discharging channel, a refillable duct with a series of turning sections and at least one sedimentation chamber, refillable duct comprises at least one horizontally expandable area with which one of said sedimentation chambers is connected through an opening in the bottom wall of the duct, separator being configured to inject air into the separation chamber through discharging channels, the first laterally expanding area in the horizontal direction has a bottom-curved bottom wall, opening in the sedimentation chamber to which it is connected is in a smoothly rotating zone from this horizontally expanding area to the first of said rotating areas, which is rotated upwardly, and is the only opening of the refillable duct, constantly connecting it with the outdoor environment.

EFFECT: invention makes it possible to provide a high degree of separation of the commodity part of the material, as well as a high degree of air purification.

25 cl, 1 dwg, 1 tbl