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首页> 外文期刊>ISIJ international >Effect of Temperature on Oxygen Activity during Ladle Treatment
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Effect of Temperature on Oxygen Activity during Ladle Treatment

机译：温度对钢包处理过程中氧气活性的影响

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摘要

The effect of temperature on oxygen activity in steel was studied in plant trials where temperature and oxygen activity were measured at two depths and at the same time during different parts of ladle refining. The results show that large temperature gradients exist towards the surface of the steel melt for the sampling occasion when no slag is present on the steel surface, as can be expected. It was also observed that the oxygen activity is higher in the lower measurement position than in the upper during the majority of the ladle refining. This is explained by the oxygen activity's temperature dependence. By using the data from this study and previously reported plant trials it was shown that Si-SiO_2 or AI-AI_2O_3 equilibrium controls the oxygen activity.
机译：在工厂试验中研究了温度对钢中氧活度的影响，在钢包精炼的不同部分中，在两个深度同时测量了温度和氧活度。结果表明，在采样时，钢表面上不存在炉渣时，在钢液表面存在较大的温度梯度，这是可以预期的。还观察到，在大部分钢包精炼过程中，下部测量位置的氧气活性高于上部测量位置的氧气活性。这是由氧活度的温度依赖性决定的。通过使用该研究的数据和先前报道的植物试验，表明Si-SiO_2或AI-AI_2O_3平衡控制了氧的活性。

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