AIR SEPARATOR Russian patent published in 2013 - IPC B07B4/00 

FIELD: process engineering.

SUBSTANCE: invention relates to air separators for grain cleaning and may be used at grain elevators and in flour-and-cereals industry. Air separator consists of the main closed air system. Its comprises receiving-distributing device, main air separation channel, main settling chamber with throttling rotary baffle, main circulation channel, screw arranged at bottom of the main settling chamber and extra closed air system including extra air separation channel with feeder, extra settling chamber, extra circulation channel and rotary blower shared by both closed air systems. Said main and extra closed air systems are separated by common wall dividing rotary blower in two isolated lengthwise parts. One part relates to the main closed air system while another one relates to extra closed air system. Aforesaid screw extends via common wall into extra closed air system wherein screw helical edge penetrates into extra system feeder.

EFFECT: higher efficiency of separation.

4 cl, 2 dwg