根据炉渣结构的离子理论,假设熔渣的黏性活化能与熔渣质点间距离(键长)成反比,考虑了熔渣中各种离子质点相对纯SiO2的移动能力,基于Arrhenius公式推导了一个由熔渣中质点浓度预报硅酸盐熔渣黏度的理论模型.并根据离子理论按炉渣成分分段计算各质点浓度,通过SiO2-Al2O3-CaO-MgO四元系炉渣黏度试验数据确定了模型中的各个参数,并且通过其他文献的试验数据验证了这些参数适用于相应的二元及三元渣系.预报结果与国内外文献中大量的试验数据(二、三、四元系)基本相符,与试验结果的平均相对误差在20%左右,与其他模型相比准确度较高.
参考文献
[1] | J. Strandh;K. Nakajima;R. Eriksson .Solid inclusion transfer at a steel-slag interface with focus on tundish conditions[J].ISIJ International,2005(11):1597-1606. |
[2] | Martin VALDEZ;George S. SHANNON;Seetharaman SRIDHAR .The Ability of Slags to Absorb Solid Oxide Inclusions[J].ISIJ International,2006(3):450-457. |
[3] | Urbain G .Viscosity Estimation of Slags[J].STEEL RESEARCH,1987,58(03):111. |
[4] | Mills K C .The Influence of Structure on the Physical Chemical Properties of Slags[J].ISIJ International,1993,33(01):148. |
[5] | Iida T;Sakai H;Kita Y et al.An Equation for Accurate Prediction of the Viscosity of Blast Furnace Type Slags From Chemical Slags[J].ISIJ International,2000,40(supplement):S110. |
[6] | ZHANG L;Jahanshahi S .Review and Modeling of Viscosity of Silicate Melts:Part Ⅰ.Viscosity of Binary and Ternary Silicates Containing CaO,MgO,and MnO[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1998,28:177. |
[7] | ZHANG L;Jahanshahi S .Review and Modeling of Viscosity of Silicate Melts:Part Ⅱ.Viscosity of Melts Containing Iron Oxide in the CaO-MgO-MnO-FeO-Fe2O3-SiO2 System[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1998,28:187. |
[8] | Alex KONDRATIEV;Peter C. HAYES;Evgueni JAK .Development of a Quasi-chemical Viscosity Model for Fully Liquid Slags in the Al_2O_3-CaO-'FeO'-MgO-SiO_2 System. Part 1. Description of the Model and Its Application to the MgO, MgO-SiO_2, Al_2O_3-MgO and CaO-MgO Sub-systems[J].ISIJ International,2006(3):359-367. |
[9] | Alex KONDRATIEV;Peter C. HAYES;Evgueni JAK .Development of a Quasi-chemical Viscosity Model for Fully Liquid Slags in the Al_2O_3-CaO-'FeO'-MgO-SiO_2 System. Part 2. A Review of the Experimental Data and the Model Predictions for the Al_2O_3-CaO-MgO, CaO-MgO-SiO_2 and Al_2O_3-MgO-SiO_2 Systems[J].ISIJ International,2006(3):368-374. |
[10] | Alex KONDRATIEV; Peter C. HAYES; Evgueni JAK .Development of a Quasi-chemical Viscosity Model for Fully Liquid Slags in the Al_2O_3-CaO-'FeO'-MgO-SiO_2 System. Part 3. Summary of the Model Predictions for the Al_2O_3-CaO-MgO-SiO_2 System and Its Sub-systems[J].ISIJ International,2006(3):375-384. |
[11] | DU S;Bygden J;Seetharaman S .Model for Estimation of Viscosities of Complex Metallic and Ionic[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1994,25(04):519. |
[12] | Masashi NAKAMOTO;Joonho LEE;Toshihiro TANAKA .A Model for Estimation of Viscosity of Molten Silicate Slag[J].ISIJ International,2005(5):651-656. |
[13] | Masashi NAKAMOTO;Yoshitugu MIYABAYASHI;Lauri HOLAPPA .A Model for Estimating Viscosities of Aluminosilicate Melts Containing Alkali Oxides[J].ISIJ International,2007(10):1409-1415. |
[14] | Iida T;Sakai H;Kika Y et al.Equation for Estimating of Viscosities of Industrial Mold Fluxes[J].HIGH TEMPERATURE MATERIALS AND PROCESSES,2000,19:153. |
[15] | Kucharski M;Stubina N M;Toguri J M .Viscosity Measurements of Molten Fe-O-SiO2,Fe-O-CaO-SiO2,and Fe-O-MgO-SiO2 Slags[J].Canadian Metallurgical Quarterly,1989,28(01):7. |
[16] | Kapoor M L;Frohberg M G.Chemical Metallurgy of Iron and Steel[M].London:The Iron and Steel Institute,1971 |
[17] | Bockris J O M;Lowe D C.Viscosity and the Structure of Molten Silicates[J].Proc R Soc London:Ser,1954:423. |
[18] | Machin J S;Yee T B J .Viscosity Studies of System CaO-MgO-Al2O3-SiO2:IV,60 and 65% SiO2[J].Amer Ceram Soc,1954,37(04):177. |
[19] | Licko T;Danek V .Viscosity and Structure of Melts in the System CaO-MgO-SiO2[J].Physics and Chemistry of Glasses,1986,27(01):22. |
[20] | Kozakevitch P .Viscosite et Elements Structuraux des Aluminosilicates Fondus:Laitiers CaO-Al2O3 SiO2 Entre 1 600 et 2100℃ Rev[J].METALL,1960,57(02):149. |
[21] | Urbain G .Viscosity and Structure of Liquid Silico-Aluminates-1.Method of Measurement of Experimental Results Rev[J].Int Hautes Temp Refract,1974,11(02):133. |
[22] | Urbain G;Bottinga Y;Richet P .Viscosity of Liquid Silica,Silicates and Alumino-Silicates[J].Geochimica et Cosmochimica Acta,1982,46(06):1061. |
[23] | JI F Z;DU S;Seetharaman S .Experimental Studies of the Viscosities in the CaO-FenO-SiO2 Slags[J].Met Mat Trans B,1997,28:827. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%