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首页> 外文期刊>Mining Engineering >Design, installation and operation of Pinto Valley moly flotation columns
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Design, installation and operation of Pinto Valley moly flotation columns

机译：Pinto Valley钼浮选塔的设计，安装和运行

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摘要

The Pinto Valley concentrator of BHP Copper Inc. restarted its sulfide mining operations in September 2007 to produce copper and molybdenum concentrates. During the plant production ramp up, the copper/ molybdenum circuit quickly reached the copper grade and recovery targets, but the production and quality of the molybdenum concentrate continued to be a challenge. Even though several improvements in the molybdenum circuit were completed, the final molybdenum concentrate did not meet contractual specifications. After reviewing several options to improve grade and reduce contaminants, the installation of three flotation columns were chosen. The column design and construction were done using in-house craftsmen and engineers. Ten days after commissioning, the columns successfully reached a steady operation and began producing molybdenum concentrate to the required specifications, that is, high molybdenum tenors and low copper and iron content.
机译：必和必拓铜业公司Pinto Valley选矿厂于2007年9月重新开始其硫化物采矿业务，以生产铜和钼精矿。在工厂产量提高期间，铜/钼电路迅速达到了铜品位和回收目标，但是钼精矿的生产和质量仍然是一个挑战。即使完成了钼回路的几项改进，最终的钼精矿也不符合合同规定。在审查了提高品位和减少污染物的几种选择之后，选择了三个浮选塔的安装。立柱的设计和建造由内部工匠和工程师完成。调试十天后，这些柱成功地达到了稳定的运行状态，并开始生产符合要求规格的钼精矿，即高钼期和低铜铁含量。

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