Break it Better: optimizing blast fragmentation for material haulage, comminution and mineral processing
Blast fragmentation should be optimised for material haulage, comminution and mineral processing. John Chadwick examines some technologies and the benefits accruing in International Mining SEPTEMBER 2011.
The BMM system works by placing hardened transponders into drill holes in an orebody prior to blasting.
After the blast a portable detector is used to locate the new position of the markers, thereby determining the movement vector of the blasted ore. Ore has often moved more than 10 m.
Once downloaded to BMT’s proprietary software the information is quickly and easily transformed into accurate, 3D movement vectors, redefining ore boundaries, and enabling the most precise identification of ore and waste available to the industry.
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