METHOD AND DEVICE FOR REMOVING STONES AND SOIL CLOTS FROM ELONGATED ROOTS AND TUBERS Russian patent published in 1994 - IPC

FIELD: agriculture. SUBSTANCE: method involves loading the heap into the orientation unit, orientation of roots and tubers so that their longer axes are parallel with the separating surface, heap delivery to the separating surface, removal of soil clots and stones, trapping of roots and tubers, and discharge of impurities. The device has endless conveyor belts located one in the other, loading conveyor, and a discharge unit. The belt conveyor working run is horizontal and level with the working run of the upper net conveyor. The belt conveyor frame is joined with a drive to make the belt conveyor oscillate in the direction of its upper run movement. EFFECT: higher quality of separation; less damage to roots and tubers; higher process flexibility. 2 cl, 2 dwg