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Energy Efficient Ball Mill Circuit – Equipment Sizing Considerations

机译：高效球磨机电路–设备选型注意事项

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摘要

The ball mill in closed circuit with hydrocyclones is an industry standard, and well knownrnmethodologies exist for equipment sizing, selection and design. However, the potential to improve therncapacity of ball mill circuits by replacing cyclones with screens has been recognised for many yearsrnand recently has been successfully realised, thanks to developments in fine screening technology.rnProper methodology for equipment sizing and selection is required to capitalise on this opportunity,rnbut there is currently insufficient information and few guidelines available on how to design such arncircuit. This paper discusses the differences between ball mill circuits closed with cyclones and withrnscreens. A methodology is described for equipment sizing and selection for a circuit closed withrnscreens, and the laboratory testing requirements are described for low grade base metal ores andrnmagnetite ores. An economic evaluation is also presented for a case study demonstrating the potentialrnbenefits of closing a ball mill circuit with screens.
机译：带有水力旋流器的闭路球磨机是一种工业标准，并且存在用于设备选型，选择和设计的众所周知的方法。然而，由于用精细筛分技术的发展，通过用筛子代替旋风分离器来提高球磨机回路的能力的潜力已经被认识了很多年，并且由于精细筛分技术的发展，最近已经成功实现了。rn需要利用适当的设备尺寸和选择方法来利用这一机会，但是目前没有足够的信息，有关如何设计这种电路的指南也很少。本文讨论了用旋风分离器和筛网封闭的球磨机回路之间的区别。描述了一种用于封闭筛网的设备选型和选择的方法，并描述了低品位贱金属矿石和磁铁矿矿石的实验室测试要求。还对一个案例研究进行了经济评估，该案例表明了用筛网关闭球磨机回路的潜在好处。

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  • 会议地点 Perth(AU)
  • 作者

    A Jankovic; W Valery;

  • 作者单位

    MAusIMM, General Manager Technology and Innovation, Metso Process Technology andInnovation, Unit 1, 8 - 10 Chapman Place, Eagle Farm Qld 4009.Email: alex.jankovic@metso.com;

    FAusIMM, Senior Vice President – Global, Metso Process Technology and Innovation,Unit 1, 8 - 10 Chapman Place, Eagle Farm Qld 4009. Email: walter.valery@metso.com;

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