HOPPER FOR LOOSE LUMP MATERIALS Russian patent published in 1995 - IPC

FIELD: mining and other industries; storing and discharging of loose lump materials. SUBSTANCE: hopper has vertical housing 1 with charging hole 2 and discharge funnel 3, rod 4 secured in funnel with dividers 5 mounted on rod one over the other, and vibrator 6 connected with upper end of rod 4. Each divider 5 is made in form of cone whose generating surface consists of pins 7 located with clearance at angle exceeding angle of repose of material. Pins are fastened on rod 4 by their upper ends. Pins 7 of one divider 5 are displaced relative to pins of other divider. Mounted on lower end of rod 4 is pusher 8 arranged in discharge funnel 3. Distance between dividers 5 is greater than height of discharge funnel 3, and distance between pins 7 and divider 5 in base of cone is equal to five-time maximum section of medium-sized lump of material. EFFECT: enlarged operating capabilities. 2 cl, 2 dwg