Peripheral Discharge Ball Mills Theory and Practice 911 Metallurgist
When a ballmill fitted with a diaphragm is overfed, the mill fills up to a certain level, then stops crushing and discharges any additional feed back through the feed trunnion. Once overfed, it takes from 30 min. to 2 hr. to free itself. Ballmills, therefore, should be provided with a central opening in the diaphragm connecting with the ...