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本文的目的有两个,第一是我们想告诉读者,现在已开发出几种新型的细筛工艺,它们都能消除操作人员在考虑将筛分作为一种细粒分级方案时通常都会出现的一些担心。第二是我们希望通过在铁矿石选矿厂中使用细筛工艺的一些典型实例,向读者证实细筛工艺的优点。读者应该记得,这些工艺现在都已是得到验证过的,并不是一些试验性工艺。任何一位关心着提高生产率、降低生产费用、提高精矿品位或是提高回收率的操作人员,都能从这篇论文中获得很多裨益。
The purpose of this article is twofold. The first is that we want to tell the reader that several new types of fine screening processes have been developed, all of which eliminate the operators’ common occurrence when considering sieving as a fine grading scheme Some worry. The second is that we hope to convince the reader of the advantages of the fine screening process through some typical examples of using the fine screening process at the iron ore concentrator. Readers should recall that these processes are now validated and not experimental. Anyone who cares about increasing productivity, lowering production costs, improving concentrate quality, or increasing recovery rates can all benefit from this paper.