UNIVERSAL GRAIN- AND SEED-CLEANING UNIT Russian patent published in 2015 - IPC A01F12/44 

FIELD: agriculture.

SUBSTANCE: proposed grain- and seed-cleaning unit comprises a compartment of primary cleaning the grain heap, and the hoppers 5, 6, 7 located under it for collecting the separated fractions and a compartment of secondary cleaning the main fraction. The compartment of the primary cleaning the grain heap comprises a receiving bucket conveyor 1, a two-aspiration air-sieve grain cleaning machine 3 for flow treatment of grain heap with separation into the basic and the fodder fractions and unused wastes. The compartment of the secondary cleaning the main fraction comprises a slow-moving bucket conveyor 16, a pneumo-screening table 20, and a photoseparator 21. Between the compartments for primary and secondary cleaning the grain heap an additional compartment is placed for temporary storage of grain of the main fraction, comprising silages 14, a transverse conveyor belt 12, and a valve 11 placed over the latter. The valve 11 is made with the ability to change the feeding the grain in the hopper 5 of the cleaned grain of the compartment of the primary cleaning or on the longitudinal upper conveyor belt 13 for loading silages, as well as the lower conveyor belt 15 for feeding grain to the compartment of secondary treatment.

EFFECT: improved quality of product and reduced energy consumptions for their preparing and injury of seeds.

2 dwg