METHOD AND APPARATUS FOR SEPARATING BULK MATERIALS Russian patent published in 1999 - IPC

FIELD: separating equipment, may be used in agriculture, construction and chemical industry for separating difficult-to-separate materials. SUBSTANCE: method involves feeding difficult-to-separate seed material into space of hopper positioned above rotary disk with radial walls, with seeds being supplied in single-seed feeding manner onto disk; regulating rotational speed of disk; determining material particle supply interval by mathematic expression. Apparatus has annular receptacles adapted for receiving separation products and concentrically mounted under disk. Disk has openings arranged between radial walls along logarithmic spiral line and surrounded with recesses. Charging hopper is positioned for movement in vertical plane. EFFECT: increased efficiency, wider operational capabilities and enhanced reliability in operation. 3 cl, 1 dwg