某铁矿山由于原矿铁矿物嵌布粒度较细,所产铁精矿含铁品位仅为63%～65%,品位不高.通过阶段磨矿阶段选别、合理控制磁场强度及精选次数等手段,成功地运用全磁选工艺获得铁品位为66.97%的铁精矿,铁回收率达80.31%.%A iron mine's iron concentrate contains TFe 63％ ～ 65％ because of a fine dissemination size of a run - of - mine ore. By stage grinding - concentration process, reasonably controlling magnetic field intensity and cleaning stages, the test applied successfully the whole magnetic separation flowsheet and obtained an iron concentrate of TFe 66.97％ with a recovery of 80.31％.
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