| 大西沟菱铁矿煤基回转窑磁化焙烧半工业试验 |
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| 引用本文： | 罗良飞,陈雯,严小虎,王秋林.大西沟菱铁矿煤基回转窑磁化焙烧半工业试验[J].矿冶工程,2006,26(2):71-73. |
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| 作者姓名： | 罗良飞 陈雯 严小虎 王秋林 |
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| 作者单位： | 长沙矿冶研究院, 湖南 长沙 410012 |
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| 摘 要： | 用Φ1.3 m×24 m煤基回转窑对大西沟菱铁矿(品位TFe 26.82%)进行了中性磁化焙烧半工业试验。控制合适的焙烧温度场和气氛场, 焙烧矿排入水中淬冷。水冷焙烧矿磨矿至95.60% -0.045 mm, 经磁场强度1.19×102 kA/m的磁选管选别得磁精矿的产率44.52%, 品位TFe 59.84%, 回收率86.41%的理想指标, 为我国菱铁矿的开发利用开辟了新的有效途径。
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| 关 键 词： | 菱铁矿 回转窑 磁化焙烧 磁选 |
| 文章编号： | 0253-6099(2006)02-0071-03 |
| 收稿时间： | 2005-09-20 |
| 修稿时间： | 2005年9月20日 |
Pilot-plant Test of Megnetization Roasting of Daxigou Siderite Ore by Rotary Kiln |
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| LUO Liang-fei,CHEN Wen,YAN Xiao-hu,WANG Qiu-lin.Pilot-plant Test of Megnetization Roasting of Daxigou Siderite Ore by Rotary Kiln[J].Mining and Metallurgical Engineering,2006,26(2):71-73. |
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| Authors: | LUO Liang-fei CHEN Wen YAN Xiao-hu WANG Qiu-lin |
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| Affiliation: | Changsha Research Institute of Mining and Metallurgy, Changsha 410012, Hunan, China |
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| Abstract: | Pilot-plant test of magnetization roasting of Daxigou siderite ore (grade 26.82% TFe)was carried out with Ф1.3 m×24 m rotary kiln based on coal under a neutral atmosphere. A appropriate roasting temperature and atmosphere were controlled. The roasted ore was quenched to cool by water. The cooled roasted ore was ground to 95.60% minus 0.045 mm and separated by magnetic tube with field intensity of 1.19×102 kA/m. Ideal indexes such as concentrate yield of 44.52%, grade of 59.84% TFe and recovery of 86.41% were obtained. A new effective way is established for the exploitation and utilization of siderite ore in our country. |
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| Keywords: | siderite rotary kiln magnetization roasting magnetic separation |
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