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金属学报  1957, Vol. 2 Issue (4): 321-333    
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平炉炼钢过程中的脱硫和锰硫平衡
邹元爔;孟宪智;潘鸿芳;王伟杰
中国科学院冶金陶瓷研究所;中国科学院冶金陶瓷研究所;中国科学院冶金陶瓷研究所;中国科学院冶金陶瓷研究所
THE DESULFURIZATION AND MANGANESESULFUR EQUILIBRIA IN THE OPEN-HEARTH PROCESS
CHOU YUAN-HSI;MENG SHIEN-TZE;PAN HONG-FANG;WANG WEI-JI Institute of Metallurgy and Ceramics; Academia Sinica
引用本文:

邹元爔;孟宪智;潘鸿芳;王伟杰. 平炉炼钢过程中的脱硫和锰硫平衡[J]. 金属学报, 1957, 2(4): 321-333.
, , , . THE DESULFURIZATION AND MANGANESESULFUR EQUILIBRIA IN THE OPEN-HEARTH PROCESS[J]. Acta Metall Sin, 1957, 2(4): 321-333.

全文: PDF(941 KB)  
摘要: 在本文中,我们提出了三个考察碱性平炉渣、钢间硫分配平衡的方法:(i)硫分配比(S)/[S]与新碱度,(ii)硫氧比(S)/[S][O]与总酸量Σα=N_(SiO_2)+4/3N_(P_2O_5)+4/3N_(Al_2O_3),(iii)硫铁比(S)/[S](ΣFe)与(%SiO_2)+0.5(%P_2O_5)+0.2(%Al_2O_3)。计算结果颇能符合平衡的要求。锰硫平衡用相似于(ii)的方法来处理,即将(α_(MnO))(S)/([Mn][S])与Σα作图,得出与硫氧比相似的曲线。此外,我们将Chipman等的硫氧比—%SiO_2(分子)由线适当延长以包括酸性渣区域,并从离子观点介释碱性区域曲线的形状。
Abstract:Based on a family of (S)/[S] basicity curves of Chipman et al., a new basicityexpression for basic open-hearth slags has been evaluated and correlated with thesulfur-distribution ratio. Another method is to plot the sulfur-oxygen ratio (S)/[S][O]against Σα=N_(SiO_2)+4/3 N_(P_2O_5)+4/3 N_(Al_2O_3), a parameter suggested by the authors onthe basis of the ionic constitution of slags to replace the mole per cent SiO_2 used byChipman et al. A modified Turkdogan's method is also used for correlating works'desulfurization data, in which the ratio (S)/[S] (Σ Fe), called the sulfur-iron ratio bythe present authors, is plotted against the paramters (%SiO_2)+0.563 (%P_2O_5)+ 0.784 (%Al_2O_3), (%SiO_2)+0.5 (%P_2O_5)+0.2 (%Al_2O_3), (%SiO_2)+0.5 (%P_2O_5), orsimply (%SiO_2). It is found that all the three methods can be used with reasonablesuccess, although the last method is probably the simplest for practical slag-controlpurpose. Of the four parameters used in the last method, the second appears to bethe best. The manganese-sulfur equilibrium has been treated in a similar manner by plot-ting the manganese-sulfur ratio ((βMnO)(S))/([Mn][S]) against Σα. The curve obtained is similarto the sulfur-oxygen ratio curve of Chipman et al. This similarity suggests that ourmethod of treatment is sound and that the ratio (αMnO)/[Mn] is a correct measure of thedegree of oxidation of the bath as far as desulfurization is concerned. The sulfur-oxygen ratio curve of Chipman et al. has been extended to the regionof acid slags by incorporation of and data. The shape of thiscurve in the basic range is briefly discussed from an ionic point of view. Withcertain assumptions, we have also been able to estimate the concentration of (O~=)in silica-saturated 'FeO'—SiO_2 slags from the extension of the curve of Chipman et al.
收稿日期: 1957-04-18     
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