AIR-MECHANICAL SEPARATOR Russian patent published in 1994 - IPC

FIELD: separator for crushed metallic material. SUBSTANCE: initial material is fed to drum sieve 20. The crushed metallic particles are passed through sieve 20 and transported to chamber 6 along wall 12 spirally. The dust is sieved to repurifying chamber 7 through the slots in wall 12. The crushed particles are poured over shelves 8 and discharged into the receiver for fine fraction. The purified crushed material is spirally transported within sieve 20 into compartment 5 provided with a discharge manhole of the coarse fraction. Outside of the housing a vibrator is mounted on the cantilever of wall 12. Chambers 6 and 7 are connected by a suction system. EFFECT: improved quality of purifying. 3 cl, 2 dwg