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由以上試驗得出階段磨礦、單一磁選工藝條件為：初磨磨礦粒度-0．074mm粒級占74％，再磨粒度-0．045mm粒級占99％，-磁磁場強度16．25kA/m，二磁磁場強度12．5kA/m，得到的指標(biāo)為：原礦鐵品位21．52％，精礦鐵品位56．48％，精礦產(chǎn)率25．85％，金屬回收率67．85％，尾礦鐵品位9．33％。工藝數(shù)質(zhì)量流程見圖2。 上一頁 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] 下一頁 |
