METHOD FOR DIVISION OF CROPS MIXTURES Russian patent published in 2008 - IPC B07B9/00 A01F12/44 

FIELD: agriculture; technological processes.

SUBSTANCE: method includes primary purification from light, big and small impurities in the air-and-screen cleaner. Secondary purification in the air-and-screen cleaner dividing into layers according to the density in the beginning parts of the scalping shoe; getting upper and lower layer products passed through the beginning of the upper layer screen. Oversize product out of the upper layer product is transferred for purification into the aspiration leg and further into certain lines of consecutively connected sifting cylinders and pneumotables. Low layer product, passed through the beginning of the upper layer screen is transferred for additional purification from small seeds of the main crop and remaining small impurities of foreign material on the lower layer of the screen and aspiration leg, and further transferred into other lines of consecutively connected sifting cylinders.

EFFECT: increasing efficiency of purification of seeds.

1 dwg