新型螺旋分级机溢流产品经磁选后，在铁精矿品位相近的情况下，铁回收率比传统工艺提高218个百分点。
After magnetic separation of the classifier's overflow, the iron recovery is 2 18% higher than that obtained by conventional process, while the iron concentrate grade remains nearly constant.
将螺旋分级机的溢流排矿方式由传统的前端排放改为两侧排放，形成了双侧排料螺旋分级机。
The overflow discharge of spiral classifier is changed to be bilateral discharging from the traditional front-end approach, forming a spiral classifier with bilateral discharging.
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