| 微细粒嵌布难选赤褐铁矿尾矿的选矿试验研究 |
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| 引用本文： | 程坤,张宗华,杨琳琳.微细粒嵌布难选赤褐铁矿尾矿的选矿试验研究[J].有色金属(选矿部分),2006(2):30-32. |
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| 作者姓名： | 程坤 张宗华 杨琳琳 |
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| 作者单位： | 昆明理工大学,昆明,650093 |
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| 摘 要： | 对九乡赤褐铁矿加工规格矿的细粒尾矿进行了选矿试验研究,采用粗粒干选-细粒焙烧磁选的技术方案,得到粗粒(粒径+0．5mm)铁精矿产率为38．32％、铁品位为56．60％、回收率为51．88％和细粒(粒径-0．5mm)铁精矿产率为42．70％、铁品位为68．04％、回收率为68．53％的选矿指标。认为采用粗粒干选-细粒焙烧磁选工艺处理该矿,流程简单,经济、技术指标较好。
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| 关 键 词： | 微细粒 赤褐铁矿 干式磁选 还原焙烧 |
| 文章编号： | 1671-9492(2006)02-0030-03 |
| 收稿时间： | 2005-10-28 |
| 修稿时间： | 2005年10月28 |
A STUDY ON TAILING'S BENEFICIATION OF FINELY-DISSEMINATED REFRACTORY HEMATITE-LIMONITE |
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| Authors: | CHENG Kun ZHANG Zonghu YANG Linlin |
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| Affiliation: | Kunming University of Science and Technology, Kunmtng 650093, China |
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| Abstract: | A test to produce the qualified concentrate was carried out to tailings of finely-disseminated refractory Jiuxiang hematite. By the technology, dry magnetic separation at coarse particles -roasting -magnetic separation at fine particles, the percentage of concentrate yield at the coarse fraction (particle size +0.5mm) accounts for 38.32%, with a grade of 56.60%, and a recovery of 51.88%; the percentage of concentrate yield at the fine fraction (particle size-0.5mm) accounts for 42.70%,with a grade of 68.04%,and a recovery of 68.53%. The said technology, with simple flowsheet and relatively good techno -economic index, is suitable to treat the ore. |
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| Keywords: | finely-disseminated particles hematite-limonite dry magnetic separation roasting |
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