UNIVERSAL GRAIN-CLEANING MACHINE Russian patent published in 2017 - IPC A01F12/00 

FIELD: agriculture.

SUBSTANCE: universal air-and-sieve grain-cleaning machine comprises a system of pre-sieve and post-sieve aspirations, drive upper and lower sieve pans with a set of sieves, trays for large, small and coarse fractions, a grain flow divider. The upper sieve pan contains tailings, cleaning and sorting sieves. The tailings and cleaning sieves are mounted with a reverse slope with respect to the sorting sieves, and the lower pan comprises a set of sorting sieves. At the output the sorting sieves are equipped with trays for output of the main faction, over which the dividing plates are located, adjustable in height relative to the surface of the sorting sieves.

EFFECT: use of this invention enables to reduce the energy costs for processing of grain heap.

2 dwg