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TiO_2的活度,并讨论了渣中TiO_2的活度和活度系数随其浓度变化的规律。
Activity of TiO_2 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--SiO_2--TiO_2--Al_2O_3, a_(TiO_2)=0.01--0.05 or 0.02--0.10 with pure liquid or solid TiO_2 as normal state, respectively. The activity and activity coefficient of TiO_2 in relation to concen-tration of titanium oxide have been discussed.
出处
《金属学报》
SCIE
EI
CAS
CSCD
北大核心
1992年第2期B045-B049,共5页
Acta Metallurgica Sinica
基金
国家自然科学基金
关键词
TIO2
活度
高炉
熔渣
titanium oxide
activity
blast furnace
molten slag
