D0L:10.13374.issn1001-053x.2013.12.001 第35卷第12期 北京科技大学学报 Vol.35 No.12 2013年12月 Journal of University of Science and Technology Beijing Dec.2013 基于离子和分子共存理论的炉渣氧化能力表征 李鹏程1,2)，李晋岩1,2)，张盟)，张建良)，张鉴)，杨学民2) 1)北京科技大学钢铁冶金新技术国家重点实验室，北京100083 2)中国科学院过程工程研究所多相复杂系统国家重点实验室，北京100190 3)北京中冶设备研究设计总院有限公司，北京100029 ☒通信作者，E-mail:yangxm71@home.ipe.ac.cn 摘要选用文献报道的14个渣系铁氧化物活度ae,0作为基础实验数据，验证了基于炉渣离子-分子共存理论 (IMCT)所定义的铁氧化物综合质量作用浓度NFe,0表征炉渣氧化性的可能性和精度.为了得到14个渣系的NF,O, 建立了CaO-SiO2-MgO-FeO-Fe2Og-MnO-Al2Og-P2O5渣系的IMCT-N:模型，其他13个渣系Nse,0可由该渣系的 IMCT-N,模型经简化得到.结果表明，铁氧化物综合质量作用浓度Nr:0不仅可像活度ae0一样表征炉渣氧化性，而 且比实测apet0精度更高. 关键词铁氧化物：质量作用浓度：活度系数：共存理论：结构单元 分类号TF01 Expression of oxidation ability for metallurgical slags based on the ion and molecule coexistence theory LI Peng-cheng2),LI Jin-yan2),ZHANG Meng),ZHANG Jian-liang),ZHANG Jian),YANG Xue-min24 1)State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China 2)State Key Laboratory of Multiphase Complex Systems,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China 3)Beijing Metallurgical Equipment Research Design Institute Company Limited,China Metallurgical Group Corporation,Beijing 100029.China Corresponding author,E-mail:yangxm71@home.ipe.ac.cn ABSTRACT The defined oxidation ability of metallurgical slag based on the ion and molecule coexistence theory (IMCT),i.e.,the comprehensive mass action concentration of iron oxides Nre,o,was verified by comparing the calculated NFeo and the reported activity of iron oxides areo in selected 14 slag systems.To calculate NFeo in the selected slag systems,a thermodynamic model for calculating the mass action concentrations of structural units in CaO-SiO2-MgO- FeO-Fe2O3-MnO-Al2O3-P2Os type slag systems,i.e.,the IMCT-N:thermodynamic model was developed.Nre,o in the other 13 slag systems can be obtained by simplifing this IMCT-N.It is shown that the defined comprehensive mass action concentration of iron oxides NFe o is more accurate than the measured activity of iron oxides aFero in characterizing the oxidation ability of the selected FeO-containing slag systems. KEY WORDS iron oxides;mass action concentration;activity coefficients;coexistence theory;structural units 炉渣铁氧化物活度ap®，0是表征熔渣或钢液氧 诸多适应于不同渣系的ae,0预报模型，譬如Mon- 化性的重要参数-1).为了精确表征各种渣系氧 tecarlo模型6、Sommerville模型、Ottonello模 化能力，众多学者对are,o进行实验测量并建立了 型8、MVM模型4、EMF模型19-2、缔合物 收稿日期：2012-11-19 基金项目：国家自然科学基金资助项目(61174186)第 35 卷 第 12 期 北 京 科 技 大 学 学 报 Vol. 35 No. 12 2013 年 12 月 Journal of University of Science and Technology Beijing Dec. 2013 基于离子和分子共存理论的炉渣氧化能力表征 李鹏程1,2)，李晋岩1,2)，张 盟3)，张建良1)，张 鉴1)，杨学民2) 1) 北京科技大学钢铁冶金新技术国家重点实验室，北京 100083 2) 中国科学院过程工程研究所多相复杂系统国家重点实验室，北京 100190 3) 北京中冶设备研究设计总院有限公司，北京 100029 通信作者，E-mail: yangxm71@home.ipe.ac.cn 摘 要 选用文献报道的 14 个渣系铁氧化物活度 aFet O 作为基础实验数据，验证了基于炉渣离子 – 分子共存理论 (IMCT) 所定义的铁氧化物综合质量作用浓度 NFet O 表征炉渣氧化性的可能性和精度. 为了得到 14 个渣系的 NFet O， 建立了 CaO-SiO2-MgO-FeO-Fe2O3-MnO-Al2O3-P2O5 渣系的 IMCT-Ni 模型，其他 13 个渣系 NFet O 可由该渣系的 IMCT-Ni 模型经简化得到. 结果表明，铁氧化物综合质量作用浓度 NFet O 不仅可像活度 aFet O 一样表征炉渣氧化性，而 且比实测 aFet O 精度更高. 关键词 铁氧化物；质量作用浓度；活度系数；共存理论；结构单元 分类号 TF01 Expression of oxidation ability for metallurgical slags based on the ion and molecule coexistence theory LI Peng-cheng1,2), LI Jin-yan1,2), ZHANG Meng3), ZHANG Jian-liang1), ZHANG Jian1), YANG Xue-min2) 1) State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China 2) State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China 3) Beijing Metallurgical Equipment Research & Design Institute Company Limited, China Metallurgical Group Corporation, Beijing 100029, China Corresponding author, E-mail: yangxm71@home.ipe.ac.cn ABSTRACT The defined oxidation ability of metallurgical slag based on the ion and molecule coexistence theory (IMCT), i.e., the comprehensive mass action concentration of iron oxides NFet O, was verified by comparing the calculated NFet O and the reported activity of iron oxides aFet O in selected 14 slag systems. To calculate NFet O in the selected slag systems, a thermodynamic model for calculating the mass action concentrations of structural units in CaO-SiO2-MgO￾FeO-Fe2O3-MnO-Al2O3-P2O5 type slag systems, i.e., the IMCT-Ni thermodynamic model was developed. NFet O in the other 13 slag systems can be obtained by simplifing this IMCT-Ni. It is shown that the defined comprehensive mass action concentration of iron oxides NFet O is more accurate than the measured activity of iron oxides aFet O in characterizing the oxidation ability of the selected FetO-containing slag systems. KEY WORDS iron oxides; mass action concentration; activity coefficients; coexistence theory; structural units 炉渣铁氧化物活度 aFetO 是表征熔渣或钢液氧 化性的重要参数 [1−15] . 为了精确表征各种渣系氧 化能力，众多学者对 aFetO 进行实验测量并建立了 诸多适应于不同渣系的 aFetO 预报模型，譬如 Mon￾tecarlo 模型 [16]、Sommerville 模型 [17]、Ottonello 模 型 [18]、MIVM 模型 [14]、EMF 模型 [19−21]、缔合物 收稿日期：2012-11-19 基金项目：国家自然科学基金资助项目 (51174186) DOI:10.13374/j.issn1001-053x.2013.12.001