Dry magnetic separation, water saving, no secondary pollution.

干式磁选，节约水资源，无二次污染。

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Main factors of magnetic intensity and polar distance influencing the dry high magnetic separation were studied in this paper.

本文对影响干式强磁分选的主要因素磁场强度和极距进行了试验研究。

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Magnetic pulleys are used in series for dry separation, with the first pass dry separation to ensure a 8%-10% tailings discarding and the second pass to ensure an over 98% recovery.

利用磁滑轮串联干选，第一道磁滑轮干选保抛尾8％-10％、第二道磁滑轮干选保回收率大于98％，将改造后干选设备和工艺嵌入现有的三段一闭路破碎筛分工序中。

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