FINE MILL Russian patent published in 2004 - IPC

FIELD: equipment for grinding of materials, may be used in construction industry, mining, chemical and other branches of industry.

SUBSTANCE: fine mill has casing with charging and discharge branch pipes, drive shaft, and inner disk with rollers. Casing incorporates immovably fixed tooth wheel, driven shaft and eccentrics positioned on drive and driven shafts. Inner disk is mounted for movement on eccentrics so that disk rollers are engageable with wheel teeth. Drive shaft is rigidly connected with driven shaft through flexible member and is preliminarily twisted by torque transmitted onto inner disk. Wheel tooth profile is made in the form of hypocycloid equidistant spaced from theoretical profile by distance equal to roller radius. Grid is positioned in discharge branch pipe.

EFFECT: reduced power consumption and increased effectiveness of grinding process.

2 dwg