Fluorite ore raw ore is fed into a jaw crusher for coarse comminution by a vibrating feeder, and conveyed by a belt conveyor into a fine crusher (or impact crusher, cone crusher, hammer crusher) for secondary crushing and passing through a vibrating screen. Screening, qualified particle ore through the belt conveyor into the ball mill for grinding operations, the ball mill and the spiral classifier constitute a closed circuit, that is, the ball mill grinding material into the classifier for clas...