Method and apparatus for separating lighter and heavier portions of threshed tobacco

摘要

The method and apparatus for separating lighter and heavier portions of threshed tobacco by creating two adjacent vortices circulating in opposite directions the turbulence of which separates the threshed tobacco; the vortices coacting to form rising column of high velocity air for carrying off lighter portions of tobacco while heavier portions of tobacco drop to a pneumatic take-off.