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针对传统的(NBO/T)比值计算方法在熔渣黏度预报上的不足,研究氧化物对熔渣聚合度的影响规律,修正了(NBO/T)比值的计算方法,计算结果反映了黏度随(NBO/T)比值变化的基本趋势.提出了一个基于修正的(NBO/T)比值的黏度预报模型.利用该模型预报了CaO-SiO2-Al2O3三元系、高炉渣CaO-SiO2-MgO-Al2O3四元系和CaO-SiO2-Al2O3-RO(R2O)体系的黏度值,预报效果比传统的Urbain模型和修改后的Iida模型要好.该模型能有效预报CaO-SiO2-MgO-Al2O3-R2O(K2O或Na2O)体系黏度值.
Aiming at the shortage of traditional (NBO / T) ratio calculation method in slag viscosity prediction, the influence law of oxide on slag polymerization degree was studied and the calculation method of (NBO / T) ratio was revised. The calculation results reflect the change of viscosity (NBO / T), a new model of viscosity prediction based on modified (NBO / T) ratio is proposed.The CaO-SiO2-Al2O3 ternary system and the CaO-SiO2-MgO- The results show that the viscosity of the system is better than that of the traditional Urbain model and the modified Iida model.This model can predict the viscosity of CaO-SiO2-MgO-Al2O3-R2O (CaO-SiO2-Al2O3- K2O or Na2O) system viscosity.