针对采用弱脱氧工艺冶炼超低碳钢,利用Factsage软件计算了顶渣氧化性与钢水氧活度之间的关系,进而计算了炉渣各组元对硫分配比的影响.结果表明,对于超低碳钢的生产,顶渣中w(FeO+MnO)至少应控制在15%以下,w(CaO)/w(A12O3)控制在2.5～4.0.工业试验表明,通过顶渣改性将w(FeO+MnO)控制在15%以下可避免回硫现象的发生,成品硫质量分数小于0.005%,达到了钢种要求.
参考文献
| [1] | 郝宁,王海涛,王新华,李宏,王万军.硫容量和硫分配比的计算及分析[J].北京科技大学学报,2006(01):25-28. |
| [2] | Hiroki Ohta;Hideaki Suito .Activities of SiO2 and Al2O3 and Activity Coefficients of Fe1O and MnO in CaO-SiO2-Al2O3-MgO Slags[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1998,29(01):119. |
| [3] | Sosinsky D J;Sommerville I D .The Composition and Temperature Dependence of the Sulfide Capacity of Metallurgical Slags[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1986,17(06):331. |
| [4] | Young R W;Duffy J A;Hassal G J .Use of Optical Basicity Concept for Determining Phosphorus and Sulphur Slag-Metal Partitions[J].Ironmaking and Steelmaking,1992,19(03):201. |
| [5] | Nzotta M M;Sichen Du;Seetharaman S .Sulphide Capacities in Some Multi Component Slag System[J].ISIJ International,1998,38(11):1170. |
| [6] | M.M. NZOTTA;DU SICHEN;S. SEETHARAMAN .Sulphide Capacities of "FeO"-SiO_2, CaO-"FeO", and "FeO"-MnO Slags[J].ISIJ International,1999(7):657-663. |
| [7] | Margareta A T Andersson;P(a)r G Jonsson;Mselly M Nzotta .Application of the Sulphide Capacity Concept on High-Basicity Ladel Slags Used in Bearing-Steel Production[J].ISIJ International,1999,39(1 1):1140. |
| [8] | C.W. Bale;E. BElisle;P. Chartrand;S.A. Decterov;G. Eriksson;K. Hack;I.-H. Jung;Y.-B. Kang;J. MelanCon;A.D. Pelton;C. Robelin;S. Petersen .FactSage thermochemical software and databases recent developments[J].Calphad: Computer Coupling of Phase Diagrams and Thermochemistry,2009(2):295-311. |
| [9] | Arthur D Pelton;Gunnar Eriksson;Antonio Romero-Serrano .Calculation of Sulfide Capacities of Multicomponent Slags[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1993,24(10):817. |
| [10] | YOUN-BAE KANG;ARTHUR D. PELTON .Thermodynamic Model and Database for Sulfides Dissolved in Molten Oxide Slags[J].Metallurgical and Materials Transactions, B. Process metallurgy and materials processing science,2009(6):979-994. |
| [11] | Bale C.;Chartrand P.;Degterov SA.;Eriksson G.;Hack K.;Ben Mahfoud R. Melancon J.;Pelton AD.;Petersen S. .FactSage thermochemical software and databases[J].Calphad: Computer Coupling of Phase Diagrams and Thermochemistry,2002(2):189-228. |
| [12] | 黄希祜.钢铁冶金原理[M].北京:冶金工业出版社,2002 |
| [13] | 奥特斯F.钢冶金学[M].北京:冶金工业出版社,1997 |
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%