process of ball mill in filter disc production
Rotary Drum Filter: Capacity & Installation. The amount of air required for loosening the filter cake at the discharge point is about 1/5 cu. ft. per minute per square foot of filter area at 10 lb. per square inch pressure for the drum filter, 1/10 cu ft. at ½-1 lb. pressure for the rotary disk filter, and 1/6 cu. ft. at 4 lb. pressure for the drum filter.