熔渣粘度模型介绍及其预报效果比较

A description of slag viscosity model and the prediction capability

本文介绍了几种常用的简单黏度模型及其计算参数(Riboud模型,Urbain模型,Iida模型和NPL模型),结合文献中报道的黏度数据,考察了各模型对不同渣系的预报效果。结果表明:Iida模型只适用于SiO_2-CaO-K_2O和SiO_2-CaO-Na_2O等少数渣系,其计算出的黏度值相比测量值具有较大的正偏差。NPL模型对不含Fe的渣系能取得一定的预报效果,但都有较大的正偏差。Ribound模型对含K_2O、Na_2O的渣系预报效果要好于其它模型。urbain模型对常规的SiO_2-Al_2O_3-CaO-MgO四元系及其子体系预报效果较好,经Alex等人修正后的Urbain模型对SiO_2-Al_2O_3-CaO-FeO四元系及其子体系的预报都取得了很理想的效果。

The present paper described several commonly used viscosity model and the model parameters（Riboud model,Urbain model,Iida model and the IPL model）.Combined with the viscosity data reported in the literatures,the capability of each viscosity model to different slags was assessed.The results showed that：Iida model is only suitable for a small amount of slag systems,such as SiO2-CaO-K2O and SiO2-CaO-Na2O,with large positive deviations compared with measured values.NPL model can predict a good result for slags without iron oxide,but has a larger positive deviation.Riboud model has a better forecast results for slag containing K2O,Na2O than other models.Urbain model has a better forcast results for conventional SiO2-Al2O3-CaO-MgO quaternary system and its sub-systems than other models.After being modified by Alex,very satisfactory forecast results can be obtained for the SiO2-Al2O3-CaO-FeO quaternary system and its sub-systems.