ABB successfully commissions largest gearless mill drive system in North America
Resource from: ABB Likes:173
Jul 28,2014
Reliable state-of-the-art ABB variable-speed drive systems and ABB Service Agreement to provide overall efficiency and productivity of grinding operations at Thompson Creek Metals’ Mount Milligan mine
Baden, Switzerland, June 30, 2014 – ABB, the leading power and automation technology group, has successfully commissioned three variable-speed mill drive systems at Thomson Creek Metals’ Mount Milligan copper/gold mine in Canada.
ABB’s delivery included one gearless mill drive system (GMD) for a 40-feet semi-autogenous mill and two low-speed dual pinion ring-geared mill drive systems (RMDs) for two 26-feet ball mills; making Mount Milligan’s grinding circuit one of the most advanced and powerful in North America. The full scope of supply for the GMD system consisted of a 23.5 MW ring-motor, cycloconverter transformers, excitation transformer, cycloconverter and the ABB control system for the mill and its auxiliaries. Each of the two 13 MW RMD systems comprises two 6.5 MW synchronous motors, an ACS6000 drive, transformers as well as the ABB control system. Furthermore, ABB also supplied design, engineering, installation supervision and commissioning.
Both drive systems were designed with common features and maintenance functionalities to increase overall availability and efficiency of operations: variable-speed, frozen charge protection, the frozen charge remover function, controlled rollback and automatic positioning are key features that enable smooth mill starts, greater flexibility and process adjustability to achieve maximum productivity with minimal mechanical stress on the equipment.
To protect its $33.5 million investment in the mill drive systems and to ensure continuous operation with maximum efficiency and reliability, Thompson Creek Metals also signed an ABB service contract. The services cover the full scope of the delivered ABB solutions: GMD and RMD systems, transformers and all equipment in the E-houses. It includes remote diagnostics, which combines remote connectivity, advanced monitoring and diagnosis, as well as data security and global technical support in a simple, widely proven package. Quarterly reports and regular site visits by ABB service experts for preventive maintenance as well as a one year contract for an on-site service engineer, which was extended until June 2015, are also part of the agreement.
Mount Milligan is a new copper and gold project located approximately 1,000 kilometers north of Vancouver in central British Columbia, Canada. The mine reached full commercial production end of 2013 and is projected to produce 60,000 metric tons of copper and gold ore per day over a 22-year operating life.
ABB (www.abb.com) is a leader in power and automation technologies that enable utility and industry customers to improve their performance while lowering environmental impact. The ABB group of companies operates in around 100 countries and employees about 150,000 people.
(ABB)
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1.The news above mentioned with detailed source are from internet.We are trying our best to assure they are accurate ,timely and safe so as to let bearing users and sellers read more related info.However, it doesn't mean we agree with any point of view referred in above contents and we are not responsible for the authenticity. If you want to publish the news,please note the source and you will be legally responsible for the news published.
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