CLOSED-TYPE PNEUMATIC SEPARATOR OF GRAIN MIXTURES Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: closed-type pneumatic separator of grain mixtures has settling vessel 7. Air-supply 6 and pneumoseparating 5 channels are mounted from the opposite sides of the vessel. Diametrical fan 1 is placed in the point of connecting the lower parts of air-supply 6 and pneumoseparating 5 channels. Delivery branch pipe 4 of the fan is conjugated with pneumoseparating channel 5 and has window 11 on the exterior wall. Dividers 12 forming a fixture for removing the purified grain are mounted in the window. Settling vessel 7 is equipped with a fixture for removing light impurities. The upper parts of air-supply channel 6 and pneumoseparating channel 5 are in communication with settling vessel 7. On its interior wall pneumoseparating channel 5 has charging window 9 with feeding device 10 mounted in it. The upper part of the wall separating settling vessel 7 from air-supply channel 6 is made jalousie. EFFECT: enhanced quality of seed material. 1 dwg