MILL FOR FINE MILLING Russian patent published in 1996 - IPC

FIELD: milling. SUBSTANCE: mill comprises toroidal chamber, separation chamber with the top and bottom branch pipes, working member made up as a screw spiral with supports, drive, device for supplying the working agent, charging device, and discharging device. The mill is also has an additional device for supplying the working agent. The separation chamber has a cylindric-conical housing with the tangent branch pipe. The charging facility is made up as an ejector connected with one of the supports. EFFECT: enhanced efficiency. 2 dwg