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MEI Online: Plant Operation News: South & Central America: February 5th 2016


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:: ABB Drive Systems to Provide High Productivity at Toquepala Copper Mine


New drive systems, including two 25-foot, ball mill gearless mill drive systems of 15,000 kW each, will provide high efficiency and availability at Toquepala copper mine, Peru.

ABB, the leading power and automation technology group, is providing variable-speed drive systems to Toquepala copper mine as part of Southern Peru Copper Corporation’s (SPCC) brownfield optimization and expansion projects. The order was booked in Q4, 2015.

For the expansion project, which aims to double the mine’s concentrator milling capacity from 60,000 to 120,000 tons per day, ABB is supplying two 25-foot gearless mill drive systems (GMD) of 15MW and two complete high pressure grinding rolls (HPGR) drive systems of 2 x 2,650 kW.

The GMD systems by removing critical mechanical components like ring-gear, pinion and gearbox, are about 4 percent more energy efficient than traditional fixed-speed mill drives. Moreover, they provide unmatched high availability thanks to ABB’s application-specific design for reliable operations and faster maintenance.

The HPGR drive systems feature the RollXtendTM technology, aimed to extend the rollers’ overall life time and ease maintenance actions by application-specific control features.

For the optimization project, ABB is supplying an additional complete HPGR drive system with the same ratings and characteristics as for the expansion.

This is the first time Grupo Mexico, the holding company for SPCC, will use GMDs. ABB was chosen not only for its state-of-the-art, application-specific drive solutions with market unique features, but also for its expertise in grinding applications, with 125 GMDs and 63 HPGR references worldwide, and a large number of installed or ordered units in Peru (23 GMDs and 17 HPGRs, including Toquepala). Another key factor is the strong service team based within the country providing support to customers.

“With a long track record of working with SPCC, ABB is very pleased to be continuing its successful partnership in helping the customer improve mining efficiency and productivity,” said Roger Bailey, Managing Director of ABB’s Process Industries business. “The robust solution being supplied combined with our best-in-class service offering, will provide the highest throughput, reliability and availability for the copper mine.”




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