TECHNOLOGY

Morenci HPGR grinds 100Mt

The world's largest operating HPGR has crushed its 100 millionth short ton of ore

Staff reporter
Morenci HPGR grinds 100Mt

PRESS RELEASE: Reaching one hundred million short tons of crushed ore is a significant milestone for the world's largest operating high-pressure grinding roll. Due to its capacity, the HRC3000 reached this milestone in less than three years. The HRC3000 began operating in May 2014 at the Metcalf Concentrator at Freeport-McMoRan's copper mine in Morenci, Arizona, USA. Morenci is an open-pit copper mining complex that has been in continuous operation since 1939.

The HRC3000 is the largest unit of its kind in the world, allowing for fewer lines of equipment which reduces the amount of ancillary equipment. The HRC3000 is the first full scale HPGR to incorporate revolutionary design features such as the flanged tire design and the patented Arch-frame. Metso's solution has provided the Morenci mine with several benefits, including an estimated 13.5% increase in energy efficiency over traditional HPGRs based on pilot scale testing

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