| RKEF工艺处理缅甸镍红土矿 |
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| 引用本文： | 赵景富.RKEF工艺处理缅甸镍红土矿[J].有色金属(冶炼部分),2013(1):8-10. |
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| 作者姓名： | 赵景富 |
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| 作者单位： | 中国有色集团沈阳有色金属研究院,沈阳,110141 |
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| 摘 要： | 介绍了采用回转窑—电炉法(RKEF)处理缅甸达贡山镍红土矿生产镍铁的中试试验过程,得到了下述最佳工艺参数:干燥后原矿含水20%～22%、回转窑预还原温度900℃、还原剂煤的配入量7%、镍品位19%,烟尘制粒时湿矿配入量为烟尘的25%、尘球含水30%,电炉熔炼时放渣温度1 550～1 600℃、镍铁合金放出温度1 450～1 500℃。
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| 关 键 词： | 镍红土矿 干燥 还原焙烧 镍铁合金 制粒 回转窑 电炉 |
| 收稿时间： | 7/18/2012 2:46:32 PM |
| 修稿时间： | 7/25/2012 1:49:28 PM |
Treatment for Myanmar Nickel Laterite with RKEF Process |
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| ZHAO Jing-fu.Treatment for Myanmar Nickel Laterite with RKEF Process[J].Nonferrous Metals(Extractive Metallurgy),2013(1):8-10. |
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| Authors: | ZHAO Jing-fu |
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| Affiliation: | Shenyang Research Institute Of Nonferrous Metals |
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| Abstract: | The pilot plant test on ferronickel alloy production from Myanmar Dagon Hill nickel laterite by rotary kiln-electric furnace smelting process(RKEF) was introduced.The optimum process parameters include moisture of 20%~22% in dried ore,pre-reduction temperature of 900 ℃,reductant dosage of 7%,nickel grade in ferronickel alloy of 19%;25% of dust as dosage of wet laterite,the moisture of dustball of 30% in palletizing process,slag and ferronickel alloy discharging temperature in electric furnace smelting process of 1 550~1 600 ℃ and 1 450~1500 ℃,respectively. |
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| Keywords: | nickel laterite drying reduction roasting ferronickel alloy pelletizing rotary kiln electric furnace |
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