UNIVERSAL MILL Russian patent published in 1998 - IPC

FIELD: mechanical engineering. SUBSTANCE: mill is intended for grinding of hard loose materials. Mill has loading bunker with mechanism designed to control raw material feed, axial fan with air ducts, and working chamber which consists of cylindrical body protected against wear from the inside with repelling armored plates having channeled operating surface. Mill also has lower and upper bearing plates with loading and unloading holes, bevel drum secured to vertical shaft. Several rows of hinge-connected beaters are arranged on external surface of shaft. Product of milling with balanced granulometric composition of particles is obtained through separator of air-closed type. EFFECT: reduced power consumption, extended service life. 4 dwg