Material-handling system for Oyu Tolgoi underground mine …
Operating at a depth of nearly 1,400m beneath the Gobi Desert in Mongolia, the new underground material-handling system is planned to transport 95,000 tons of copper ore to the surface every day. The main components are four high-lift conveyors, each equipped with 1.6m-wide steel-cord belts and dual 5,500kW gearless drives from Siemens.
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