|
|
|
| Effect of nozzle type on fluid flow, solidification, and solute transport in mold with mold electromagnetic stirring |
| Ya-dong Wang1, Li-feng Zhang2, Wen Yang1, Ying Ren1 |
| 1 School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Beijing 100083, China; 2 State Key Lab of Metastable Materials Science and Technology, School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China |
|
|
|
|
Abstract The mathematical model of coupling fluid flow, heat transfer, solidification, solute transport, and the electromagnetic field of the bloom in the upper part of the strand was established with three nozzle types. Then, the flow field, distribution of the temperature, solidification, and macrosegregation of carbon were investigated and compared by numerical modeling. In the case of the straight submerged entry nozzle (SEN), the molten steel flows down deep into the liquid pool, and the depth of the jet flow reaches about 1.0 m beneath the meniscus. The jetting zone is the high-temperature zone. In the case of twoport SEN and four-port SEN, the flow patterns and distribution of temperature in the central longitudinal section are similar. The jet flow impinges directly on the initially solidified shell and then it is divided into two longitudinal circulations. The heat of molten steel is dissipated along with the longitudinal circulations. The negative segregation band was generated near the bloom surface due to the washing effect by the rotating flow at the solidification front with three nozzle types. The negative segregation deteriorates gradually with the number of ports decreasing.
|
|
|
|
|
|
| Cite this article: |
|
Ya-dong Wang,Li-feng Zhang,Wen Yang, et al. Effect of nozzle type on fluid flow, solidification, and solute transport in mold with mold electromagnetic stirring[J]. Journal of Iron and Steel Research International, 2022, 29(2): 237-246.
|
|
|
|
| [1] |
Gang Gao, Chun-li Zhu, Xiao-fang Shi, Li-zhong Chang. Effect of magnetic field on elements segregation in electroslag ingot[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(3): 434-444. |
| [2] |
Yan-bin Yin, Jiong-ming Zhang. Large eddy simulation of transient transport and entrapment of particle during slab continuous casting[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(2): 247-262. |
| [3] |
Wei Liang, Jing Li, Bin Lu, Jian-guo Zhi, Shuai Zhang, Yang Liu. Analysis on clogging of submerged entry nozzle in continuous casting of high strength steel with rare earth[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(01): 34-43. |
| [4] |
Pei Xu, Yong-zhi Zhou, Deng-fu Chen, Mu-jun Long, Hua-mei Duan. Optimization of submerged entry nozzle parameters for ultra-high casting speed continuous casting mold of billet[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(01): 44-52. |
| [5] |
Alexander Vakhrushev, Abdellah Kharicha, Menghuai Wu, Andreas Ludwig, Gerald Nitzl, Yong Tang, Gernot Hackl, Josef Watzinger, Christian M. G. Rodrigues. Norton-Hoff model for deformation of growing solid shell of thin slab casting in funnel-shape mold[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(01): 88-102. |
| [6] |
Dong-bin Jiang, Li-feng Zhang, Ya-dong Wang. Effect of mold electromagnetic stirring on solidification structure and solute segregation in continuous casting bloom[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2022, 29(01): 124-131. |
|
|
|
|
2022, Vol. 29 
