| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: proposed device comprises aspirating channels of primary and secondary cleaning, catch box, air feed channel of primary and secondary cleaning, cross flow fan with suction opening communicated with primary and secondary cleaning catch boxes via by pass valves. It comprises also pressure branch pipe communicated with air feed channels, air cleaner, feed devices arranged in aspirating channel walls and appliances to discharge grain and admixtures. Primary cleaning catch box top part has shutter-like reflecting plane. Bypass channel suction openings are arranged above said plane and have rhombic shape and their longer diagonal directed vertically. ^ EFFECT: higher quality of grain cleaning. ^ 1 dwg |
