MILLING DEVICE Russian patent published in 1995 - IPC

FIELD: manufacture of building materials. SUBSTANCE: milling device has a mill, an expendable bunker with a feeder and a hopper connected with the mill charging, an aspiration pit connected with the mill discharging and the air duct. The latter is attached to the dust-removing system equipped with an aspiration fan. The lower part of the expendable bunker is made with inlet and outlet cavities, windows and beams. The air duct is connected with the inlet cavity, the aspiration fan with the outlet cavity of the bunker. EFFECT: enhanced efficiency of grinding. 2 dwg, 1 tbl