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Operational Performance of Grinding Rolls at Cyprus Sierrita Corporation
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Citation (Style = APA)
Thompsen, Loren G. (1997). Operational Performance of Grinding Rolls at Cyprus Sierrita Corporation.
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Reference Manager (RIS)
SpreadSheed (CSV)
Thompsen, Loren G. (1997). Operational Performance of Grinding Rolls at Cyprus Sierrita Corporation.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 4
Publication Date:
Jan 1, 1997
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Abstract
Abstract
| The first high pressure grinding roll in a copper mine was commissioned at Cyprus Sierrita in July 1995. This grinding roll is the world's biggest operating unit. It has a roll diameter of 2.4 meters and a face width of 1.4 meters. It is driven by two, 2250 KW (3,000 HP) motors. This paper will discuss the development of the grinding roll at Cyprus Sierrita and what it has done for comminution of Sierrita ore. Maintenance and operating performance will be discussed as well as testwork including size reduction, power input, work index, and throughput. |
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