Larger tonnages, larger crushers?

CIM Journal Preprint, Vol. 8, No. 3, 2017

K. L. Boyd
KLB Enterprises Inc., Qualicum Beach, British Columbia, Canada

Can the ever-increasing tonnages of ore and waste being mined today be accommodated simply by using bigger and better crushers? This paper reviews the latest primary crushing and large cone crusher designs. It highlights how—in addition to using the larger crushers now available—maximizing the utilization percentages in each of the four stages of the rock size reduction circuit will assist in meeting the larger production requirements of existing and new mining operations. Its goal is to help consultants and operators select the optimal equipment and custom-designed items in the material handling flowsheet from the mine to the mill, maximizing operating hours per year.

Keywords: Availability, Fine crushing (secondary, tertiary, quaternary), Larger crushers, Mining, Pre-screening, Primary crushing, Utilization