FLSmidth Flotation Developments – Dorr Oliver Machines

機譯：FLSmidth浮選開發– Dorr Oliver Machines

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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.

機譯：通過更改設計來增強FLSmidth強制空氣機的研究表明，通過更改轉子葉片的數量，定子設計，轉子空氣分配和其他設計功能，可以進行重要的改進。這項研究的主要結果表明，增加轉子葉片的數量可以提高選擇性，同時降低功率需求，而帶有槽的定子比沒有槽的定子在回收率，浮選效率和選擇性方面具有更好的結果。此外，轉子的空氣分布在設計上也有所不同當比較不同的分配標準時，同時保持所有形狀和葉片數量等特征不變。在最有效的轉子空氣分配設計中，銅的回收率達到了最高值之一，同時保持了良好的選擇性。可能的解釋是比功率的增加表示泵的容量增加。rn可以看出，與目前的標準設計相比，某些測試設計的比功率降低平均比功耗降低了30％。結果，FLSmidth能夠確定降低功率并提高回收率的新設計，并確定一些專門改善了細顆粒和/或粗顆粒回收率的設計。

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《Plant design amp; operating strategies - world's best practice》|2013年|413-430|共18頁
會議地點 Perth(AU)
作者
R Silva; K Caldwell; D Bell; T Olson; S Vianna;
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作者單位

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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正文語種 eng
中圖分類
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入庫時間 2022-08-26 13:44:17

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FLSmidth Flotation Developments – Dorr Oliver Machines

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