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重選

目前重選只用于選別結構簡單、嵌布粒度較粗的錳礦石，特別適用于密度較大的氧化錳礦石。常用方法有重介質選礦、跳汰選礦和搖床選礦。

目前我國處理氧化錳礦的工藝流程，一般是將礦石破碎至６～０mm或１０～０mm，然后進行分組，粗級別的進行跳汰，細級別的送搖床選。設備多為哈茲式往復型跳汰機和６-ｓ型搖床。

Re-election

Currently re-election only for sorting simple structure, disseminated coarse granularity manganese ore, especially suitable for high density of oxide ore. Common methods of heavy media beneficiation jig beneficiation and dressing shaker.

At present, China manganese oxide treatment process, the general is broken ore to 6 ~ 0mm or 10 ~ 0mm, then grouped to send shaker election jigging coarse level and fine level. Equipment and more Haz reciprocating type jig and 6-s-type shaker.