FIELD: process engineering.
SUBSTANCE: invention relates to agriculture. Proposed method comprises seed processing at bar and sorting screens with oblong holes, in air aspiration channels, cockle cylinder and air sorting table. Larger buckwheat seeds as major impurities are extracted at said bar screen with oblong holes. Buckwheat seeds as short impurities are extracted at cockle cylinder with mesh diameter of 1.05-1.10 of buckwheat seed maximum length. Working edge of cockle cylinder flute is arranged at 45°-55° to its horizontal diameter.
EFFECT: higher efficiency of cleaning.
2 cl, 16 dwg
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