PNEUMATIC SEPARATOR Russian patent published in 2012 - IPC B07B4/02 A01F12/44 

FIELD: process engineering.

SUBSTANCE: invention relates to machine building and may be used in agriculture, flour-and-cereal and feeder industries for cleaning of loose materials from light impurities by air flow. Pneumatic separator comprises separation channel with crosswise opening for feeding material to be separated there inside that accommodates feeder fitted on shaft and composed of grooved roll with cells on outer cylindrical surface. Wall opposite the feeder is provided with opening to communicate separation channel with discharge channel provided with inlet into separation channel arranged at its bottom at 1.5-2.0 h from feeder Said inlet is provided with ramp surface terminating in horizontal section.

EFFECT: higher quality of cleaning, reduced grain losses.

1 dwg