| 流态化法氧化钕氟化实验的研究 |
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| 引用本文： | 王大维,李雪,尹祖平,刘云义.流态化法氧化钕氟化实验的研究[J].稀土,2012,33(2):60-63. |
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| 作者姓名： | 王大维 李雪 尹祖平 刘云义 |
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| 作者单位： | 1. 沈阳化工大学化学工程学院,辽宁沈阳,110142
2. 包头瑞达稀土材料有限公司,内蒙古包头,014500 |
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| 摘 要： | 在直径80 mm振动流化床中,研究Nd2O3超细颗粒常温条件下的流化状态,考察了粉体物性,粉体填料量和流化速度等因素对原料Nd2O3流化质量的影响.由此确定了后期高温氟化反应的最佳流化速度和初始床层高度.并探索了不同条件下NdF3产品的氟化率,实验结果表明,在600℃下反应时间30min为相对最优氟化条件.
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| 关 键 词： | 流化床 细颗粒 氟化反应 氟化率 |
Research on Making Neodymium Fluoride by Fluidization Method |
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| WANG Da-wei
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LI Xue
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YIN Zu-ping
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LIU Yun-yi.Research on Making Neodymium Fluoride by Fluidization Method[J].Chinese Rare Earths,2012,33(2):60-63. |
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| Authors: | WANG Da-wei LI Xue YIN Zu-ping LIU Yun-yi |
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| Affiliation: | 1.Department of Chemical Engineering,Shenyang University of Chemical Technology,Shenyang 110142,China; 2.Baotou Ruida Rare Earth Materials Co.Ltd.,Baotou 014500,China) |
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| Abstract: | The fluidization behavior of ultrafine powders Nd2O3 and the effects of powder’s properties,packing state and fluidized velocity on fluidization quality have been investigated in a bed of 80 mm in diameter and the best reacted condition and initial bed height of high temperature fluorination have been determined.The optimal temperature and reaction time were 600℃ and 30 minutes respectively. |
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| Keywords: | fluidized bed fine particles fluoridation fluorination rate |
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