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FLSmidth Flotation Developments – Dorr Oliver Machines

机译：FLSmidth浮选开发– Dorr Oliver Machines

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摘要

Studies to enhance the FLSmidth forced air machine through changes in the design, showed importantrnimprovements through changes in the number of Rotor blades, stator designs, rotor air distributionrnand other designs features. The main outcomes from this study highlighted that increasing the numberrnof rotor blades increased the selectivity while decreasing power requirements while stators with slotsrnhave better results in terms of recovery, flotation efficiency and selectivity than without slots.rnAlso the rotor air distribution makes a difference in the design when comparing different distributionrncriteria whilst keeping all features of shape and number of blades etc constant. At the most efficientrnrotor air distribution design, copper recovery reached one of the highest values while keeping goodrnselectivity. The possible explanation for that is the increase in the pump capacity indicated by thernincrease in the specific power.rnIt was seen as significant that reduction in specific power for some designs tested compared with thernthen current standard design had an average of 30% less power consumption.rnAs a result, FLSmidth was able to identify new designs that decreased power and improved recovery,rnas well as, identifying some designs that specifically improved fine and/or coarse particle recovery.
机译：通过更改设计来增强FLSmidth强制空气机的研究表明，通过更改转子叶片的数量，定子设计，转子空气分配和其他设计功能，可以进行重要的改进。这项研究的主要结果表明，增加转子叶片的数量可以提高选择性，同时降低功率需求，而带有槽的定子比没有槽的定子在回收率，浮选效率和选择性方面具有更好的结果。此外，转子的空气分布在设计上也有所不同当比较不同的分配标准时，同时保持所有形状和叶片数量等特征不变。在最有效的转子空气分配设计中，铜的回收率达到了最高值之一，同时保持了良好的选择性。可能的解释是比功率的增加表示泵的容量增加。rn可以看出，与目前的标准设计相比，某些测试设计的比功率降低平均比功耗降低了30％。结果，FLSmidth能够确定降低功率并提高回收率的新设计，并确定一些专门改善了细颗粒和/或粗颗粒回收率的设计。

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  • 来源
  • 会议地点 Perth(AU)
  • 作者

    R Silva; K Caldwell; D Bell; T Olson; S Vianna;

  • 作者单位

    FLSmidth, 7158 S FLSmidth Drive, Midvale Ut 84047-5559, USA.Email: Ronney.silva@flsmidth.com;

    FLSmidth, 7158 S FLSmidth Drive, Midvale Ut 84047-5559, USA.Email: keri.caldwell@flsmidth.com;

    FLSmidth, 7158 S FLSmidth Drive, Midvale Ut 84047-5559, USA.Email: diane.bell@flsmidth.com;

    FLSmidth, 7158 S FLSmidth Drive, Midvale Ut 84047-5559, USA.Email: tim.olson@flsmidth.com;

    FLSmidth Australia. Email: sergio.vianna@flsmidth.com;

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