研究攀枝花低品位钛精矿的球磨活化-微波还原.采用激光粒度及X衍射研究不同球磨条件下钛铁矿的粒度和物相变化并进行分析,结果表明磨矿活化使矿物颗粒逐渐减小、特征峰宽化、晶粒变细;研究了活化物料的升温和还原行为,并对还原产物微观形貌和物相进行分析,表明活化物料有良好的微波吸收性能和还原效应.证实在反应过程中存在"热点".球磨8 h的混合物料在温度900 ℃、反应时间30 min条件内金属化率超过90%.
参考文献
| [1] | 吴其胜.无机材料机械力化学[M].北京:化学工业出版社,2008:1. |
| [2] | N.J. WELHAM .A PARAMETRIC STUDY OF THE MECHANICALLY ACTIVATED CARBOTHERMIC REDUCTION OF ILMENITE[J].Minerals Engineering,1996(12):1189-1200. |
| [3] | Chen Y;Hwang T;Williams JS .Ball milling induced low-temperature carbothermic reduction of ilmenite[J].Materials Letters,1996,28:5. |
| [4] | Chun LI;Bin Liang;Ling-hong Guo .Effect of mechanical activation on the dissolution of Panzhihua ilmenite[J].Minerals Engineering,2006(14):1430-1438. |
| [5] | 黄孟阳,彭金辉,张世敏,孙艳,汪云华,黄铭,范兴祥.微波加热还原钛精矿制取富钛料新工艺[J].钢铁钒钛,2005(03):24-28. |
| [6] | 雷鹰,彭金辉,黄孟阳,黄铭,张世敏,张利波.云南钛砂矿在微波场中的吸波行为和还原效应[J].钢铁钒钛,2007(01):31-34,52. |
| [7] | XIA Hong-ying,PENG Jin-hui,NIU Hao,HUANG Meng-yang,ZHANG Zheng-yong,ZHANG Ze-biao,HUANG Ming.Non-isothermal microwave leaching kinetics and absorption characteristics of primary titanium-rich materials[J].中国有色金属学报（英文版）,2010(04):721-726. |
| [8] | Guo Shenghui;Li Wei;Peng Jinhui et al.Microwave-absorbing characteristics of mixtures of different carbonaceous reducing agents and oxidized ilmenite[J].International Journal of Mineral Processing,2009,93:289. |
| [9] | 雷鹰,李雨,彭金辉,张利波,张世敏,郭胜惠.微波碳热还原攀枝花低品位钛精矿[J].钢铁钒钛,2010(04):1-6. |
| [10] | R. M. KELLY;N. A. ROWSON .Microwave reduction of oxidised ilmenite concentrates[J].Minerals Engineering,1995(11):1427-1438. |
| [11] | Wang Yuming;Yuan Zhangfu .Reductive kinetics of the reaction between a natural ilmenite and carbon[J].Mineral processing,2006,86:135. |
| [12] | 莫畏;邓国珠;罗方承.钛冶金[M].北京:冶金工业出版社,1998:140. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%