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A new model for evaluating the electrical conductivity of nonferrous slag
  • 时间:0
  • 分类:O621.2[理学—有机化学;理学—化学] TF792[冶金工程—钢铁冶金]
  • 作者机构:[1]School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
  • 相关基金:This work was financially supported by the National Natural Science Foundation of China (No.50774004).
  • 相关项目:多元熔体中局部区域和离散点物理化学性质的测定和计算
中文摘要:

熔融的炉渣的电的电导率是为在电的熔炼炉子设计精制过程的一个重要物理化学的性质。尽管许多炉渣系统的传导性被测量了,有炉渣作文和温度的电导率的量的关系仍然是很有限的。在这篇文章, Arrhenius 法律被用来为 CaO-MgO-Al2O3-SiO2 , CaO-Al2O3-SiO2 , CaO-MnO-Al2O3-SiO2 ,以及 CaO-MgO-MnO-Al2O3-SiO2 系统描述传导性的试验性的数据,并且激活精力能被表示为部件的内容的一个线性函数,这被发现,在炉渣的光盐基度一定在 0.58~0.68 的范围以内的地方。

英文摘要:

Electrical conductivity of molten slag is an important physicochemical property for designing the refming process in electric smelting furnaces. Though conductivities of many slag systems have been measured, the quantitative relationships of conductivity with slag composition and temperature are still very limited. In this article, the Arrhenius law was used to describe the experimental data of conductivities for CaO-MgO-Al2O3-SiO2, CaO-Al2O3-SiO2, CaO-MnO-AlEO3-SiO2, as well as CaO-MgO-MnO- Al2O3-SiO: systems, and it is found that activation energy can be expressed as a linear function of the content of components, where the optical basicity of slag must be within the range of 0.58 to 0.68.

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