中文摘要：

采用X荧光分析了某炼铁厂的室温固态高炉渣,得出具体化学成分。分别测量了粘度系数、电阻率、导热系数与温度的关系曲线。随着温度的升高,液态高炉渣的粘度系数、电阻率逐渐下降,而导热系数上升。对温度与粘度系数的关系曲线进行了拟合,得出当y0=1.967 2,A=1.95×1019,t=31.8时,拟合曲线与测得粘度数据吻合。1 000℃以上,固态炉渣逐渐融化为液态熔体,流动性逐渐增强,而导热系数增加迅速。基于中频加热设备设计,得出：1）熔融态炉渣可以导电,但导电率较小,说明可以采用中频感应对液态熔体进行加热,但加热功率不大;2）导热系数随着温度升高急剧增加,说明加热温度越高,散热越快,即需要采取保温措施来保证加热设备的正常升温。

英文摘要：

By means of X-ray fluoresence spectrometer,the room-temperature furnace slag from some pig iron plant was investigated and the corresponding chemical composition was obtained.The temperature dependences of viscosity coefficient,resistivity,and heat transfer coefficient were measured in detail.With increasing temperatures,the value of viscosity coefficient and resistivity is lowered,while that of heat transfer coefficient enlarged.The fit of temperature dependence of viscosity coefficient gives y0=1.967 2,A=1.95×1019,t=31.8.Above 1 000 ℃,solid slags become melted and flown,with abrupt increase of heat transfer coefficient.Based on the designing of medium-frequency induction furnace,we can conclude as follows： 1） the liquid slags are conductive with a small conductance,which reveals that the medium-frequency induction furnace can be employed with a small power;2） heat transfer coefficient gets enlarged with increasing temperature,which indicates that the higher the temperature is,the larger the heat loss gets.In other words,the indispensible warm-keep measurements are adopted to make the device work well.