Home > ABB Australia commissions high pressure grinding roll drive system

ABB Australia commissions high pressure grinding roll drive system

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article image ABB high pressure grinding roll drive systems

Power and automation technology group, ABB Australia , has recently commissioned the world’s largest high pressure grinding roll (HPGR) drive system for the Boddington Gold Mine Expansion project in Western Australia. Newmont Mining Corp., America’s biggest gold producer, has commenced production at its Boddington mine. The original, mainly oxide open-pit mine was shut down at the end of 2001 however a more recent exploration discovered an extensive 19.57 million ounce gold bedrock resource.  

The newly reopened mine is expected to operate for at least 20 years, with full production of ABB drive systems and more than 1 million ounces of gold per year to be reached during 2010. The order and delivery comprised of two 2800 kW HPGR units of two converter transformers, two medium voltage frequency converters and two squirrel cage induction motors. By optimizing the grinding process, ABB’s ACS1000 drives are intended to help reduce the plant’s energy consumption. The variable speed drive system provides operational flexibility through a variable speed range and is suitable for the processing of inhomogeneous types of ore at different throughput rates.  

ABB offers sustainable solutions for HPGR applications efficient, and in the mineral and cement industries in general. Plants such as CVRD São Luis and Cerro Verde have been successfully operating with ABB HPGR drive systems for several years.

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