Rock Crusher History
Apr 16, many small process plants consisted of one crusher, either jaw or gyratory rock crushers, one elevator and one screen. recrushing, if done, was taken care of by the same machine handling the primary break. the single crusher, when of the gyratory type, might be any size from the no. 2 (6″ opening) to the no. 6 with 12-in..Aug 08, analysis of iron ore crusher. the importance of iron ore crushing process; before dry selection, the lean iron ore requires millimeter-scale fine crushing by the fine crusher. if the particle size of the iron ore is not small enough in the crushing stage, low-grade iron ore is difficult to be selected later, which will cause serious waste of.