DRYER WITH FRICTION DRIVE OF DRUM Russian patent published in 2002 - IPC

FIELD: chemical, food and other industries; treatment of loose materials. SUBSTANCE: according to invention, dryer with friction drive of drum has drum housing on which two support bandages are secured which rest on four rollers, and shaped blades are installed on inner surface over entire perimeter of drum housing. Drum is installed for rotation under action of two support rollers connected with drive and arranged at left side relative to axis of drum rotation when drum is rotated clockwise, or at right side, in case of counter-clockwise rotation. EFFECT: reduced load on support rollers, power output of drive motor and coefficient of friction. 2 dwg