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作 者:Feng Zhang De-qing Zhu Jian Pan Ya-ping Mo Zheng-qi Guo
机构地区:[1]School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China [2]Investment Management Department of Wuhan Iron and Steel Company Limited, Wuhan 430083, China
出 处:《International Journal of Minerals,Metallurgy and Materials》2018年第6期598-608,共11页矿物冶金与材料学报(英文版)
基 金:financially supported by the National Natural Science Foundation of China (No. 51474161);the Hunan Provincial Co-innovation Center for Clean and Efficient Utilization of Strategic Metal Mineral Resources
摘 要:Canadian specularite concentrate(CSC) possesses high total iron grade and low impurity content. However, due to the poor granulating performance and weak reactivity of CSC at high temperature, the proportion of CSC used in sintering blends is restricted. In this research, the effects of fine limonite, slake lime, and bentonite particles on the granulation performance of blends containing a high ratio of CSC were studied through granulation test. Based on the test results, the effects of modification of the binding medium on the sintering performance of blends containing a high ratio of CSC were revealed by the sintering pot test. Both the granulation property and sintering performance of blends with a high proportion of CSC were improved by modifying the binding medium.Canadian specularite concentrate(CSC) possesses high total iron grade and low impurity content. However, due to the poor granulating performance and weak reactivity of CSC at high temperature, the proportion of CSC used in sintering blends is restricted. In this research, the effects of fine limonite, slake lime, and bentonite particles on the granulation performance of blends containing a high ratio of CSC were studied through granulation test. Based on the test results, the effects of modification of the binding medium on the sintering performance of blends containing a high ratio of CSC were revealed by the sintering pot test. Both the granulation property and sintering performance of blends with a high proportion of CSC were improved by modifying the binding medium.
关 键 词:iron ore binding medium specula^ite CONCENTRATE sintering performance
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