CENTRIFUGAL MULTISTAGE GRAIN CRUSHER Russian patent published in 2012 - IPC B02C13/14 

FIELD: process engineering.

SUBSTANCE: invention relates to agriculture. Proposed centrifugal crusher comprises composite cylindrical case 9 with loading bin 1 and discharge branch pipes, three crushing stages. Note here that successor stage features larger diameter than antecedent stage. Said three stages are arranged on vertical shaft 33, one above the other, in case 9. Grate shell rings and fan 16 are arranged around two top stages, Said fan 16 shares vertical shaft 33 with said three stages and is fitted under the last of them. Crusher is equipped with grate shell ring vibration exciter made up of four levers 13 fitted on vertical shaft 33, and four semi-spherical tenons 30 arranged at shell ring bottom sections. Shell rings are suspended by spring 22 to top bearing plate 5 and stator of second stage.

EFFECT: intensified sieving.

2 cl, 1 dwg