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高炉型熔渣中TiO₂的活度

ACTIVITY OF TiO₂ IN MOLTEN BLAST FURNACE SLAG CONTAINING TITANIUM OXIDE

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【Author】 LIU Huanming;DU Hong;YANG Zupan;LI Guodong;DU Kun Benxi Iron and Steel Company, Northeast University of Technology, Shenyang, Centrel Iron and Steel Research Institute, Ministry of Metallurgical Industry. Beijing

【机构】本溪钢铁公司；东北工学院；冶金工业部钢铁研究总院；冶金工业部钢铁研究总院工程师；辽宁本溪(117021)本溪钢铁公司第二炼钢厂研究室；

【摘要】在1500℃下用金属Sn作熔剂,石墨作还原剂,采用“熔渣—金属Sn”化学平衡法和相图计算法,得到了高炉型熔渣中TiO₂的活度,并讨论了渣中TiO₂的活度和活度系数随其浓度变化的规律。更多还原

【Abstract】 Activity of TiO₂ in the molten blast furnaee slag containing titanium oxide has been examined at 1500℃ by means of "molten slag-Sn" chemical equilibrium method, using metallic Sn as flux and graphite as deoxidizer, together with phase diagram calculation. In the pentary slag sys-tem CaO--MgO--SiO₂--TiO₂--Al₂O₃, a_TiO₂=0.01--0.05 or 0.02--0.10 with pure liquid or solid TiO₂ as normal state, respectively. The activity and activity coefficient of TiO₂ in relation to concen-tration of titanium oxide have been discussed.更多还原