SEED MATERIAL CLEANING AND DRYING APPARATUS Russian patent published in 1998 - IPC

FIELD: agriculture, in particular, post-harvest treatment of crop seeds. SUBSTANCE: apparatus has primary and secondary cleaning machines, wet and dry grain bucket chains, grain drier, cooling column and seed cleaning attachment formed as cleaning and cooling unit. Seed material is supplied from grain drier cooling columns to hopper 11 and is delivered through inclined seed guides 12 into charging device 16, from which it is fed by feeding roll 18 through window 24 into cleaning section, where it is separated into light and heavy fractions. Heavy seeds are settled in cooling section and discharged by discharge device 13. Light contaminants and light-weight seeds are drawn by air flow into settling chamber 10 and advanced through lock valve 23 onto discharge auger 22 to be discharged outside. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 cl, 2 dwg