Cite this article as:

Research Article

Effects of Operation Parameters on Flow Field in Slab Continuous Casting Mold with Narrow Width

+ Author Affiliations
  • Available online: 11 February 2020
  • The computational simulation and the high temperature measurement of velocities near the mold surface based on the rod deflection method are carried out to study the effects of operation parameters on the flow field in the slab continuous casting mold with narrow width for the production of automobile exposed panels. Reasonable agreement between the calculated results and the measured subsurface velocities of liquid steel is obtained under the different operation parameters of continuous casting process. Based on the simulated results, the flow field on the horizontal plane of 50 mm away from the meniscus can be used as the characteristic flow field for optimizing the flow field of molten steel in the mold. The increased casting speed can increase the subsurface velocity of molten steel and shift down the position of vortex core in the downward circulation zone. The flow field of liquid steel can be improved by a relatively larger Ar gas flow rate of 7 l·min-1 in the slab CC mold with 1040 mm narrow width and 1.7 m·min-1 casting speed. The Double-Roll-Flow (DRF) pattern tends to be stabilized with the 170 mm immersion depth of SEN under the present experimental conditions.
  • 加载中
  • The authors gratefully acknowledge the financial support from Hunan Valin Lianyuan Iron & Steel Co., LTD (NO. 18H00582).

     

  • [1] X.H. Wang, Non-metallic inclusion control technology for high quality cold rolled steel sheets, Iron and Steel, 48(2013), No. 9, p. 1.
    [2] D. Gupta, S. Chakraborty, Asymmetry and oscillation of the fluid flow pattern in a continuous casting mould:a water model study, ISIJ Int., 37(1997), No. 7, p. 654.
    [3] S.M. Cho, B.G. Thomas, and S.H. Kim, Effect of nozzle port angle on transient flow and surface slag behavior during continuous steel-slab casting, Metall. Mater. Trans. B, 50(2019), No. 1, p. 52.
    [4] Z.Q. Liu, B.K. Li, and M.F. Jiang, Transient asymmetric flow and bubble transport inside a slab continuous-casting mold, Metall. Mater. Trans. B, 45(2013), No. 2, p. 675.
    [5] T. Zhang, Z.G. Luo, C.L. Liu, H. Zhou, and Z.S. Zou, A mathematical model considering the interaction of bubbles in continuous casting mold of steel, Powder Technol., 273(2015), p. 154.
    [6] Y.F. Wang, L.F. Zhang, Transient fluid flow phenomena during continuous casting:Part 1-cast start, ISIJ Int., 50(2010), No. 12, p. 1777.
    [7] Y.F. Wang, L.F. Zhang, Transient fluid flow phenomena during continuous casting:Part 2-cast speed change, temperature fluctuation, and steel grade mixing, ISIJ Int., 50(2010), No. 12, p. 1783.
    [8] X.L. Li, B.L. Li, Z.Q. Liu, R. Niu, Y.Q. Liu, C.L. Zhao, C.D. Huang, H.S. Qiao, and T.X. Yuan. Large eddy simulation of multi-phase flow and slag entrapment in a continuous casting mold, Metals, 9(2019), No. 1, p. 7.
    [9] H.J. Yang, S.P. Vanka, and B.G. Thomas, Mathematical modeling of multiphase flow in steel continuous casting, ISIJ Int., 59(2019), No. 6, p. 956.
    [10] P. Fei, Y. Min, C.J. Liu, and M.F. Jiang, Effect of continuous casting speed on mold surface flow and the related near-surface distribution of non-metallic inclusions, Int. J. Miner. Metall. Mater., 26(2019), No. 2, p. 186.
    [11] W. Chen, Y. Ren, L.F. Zhang, and P.R. Scheller, Numerical simulation of steel and argon gas two-phase flow in continuous casting using LES+VOF+DPM model, JOM, 71(2019), No. 3, p. 1158.
    [12] S.M. Cho, S.H. Kim, and B.G. Thomas, Transient fluid flow during steady continuous casting of steel slabs:part I. measurements and modeling of two-phase flow, ISIJ Int. 54(2014), No. 4, p. 845.
    [13] J. Kubota, N. Kubo, and T. Ishii, Steel flow control in continuous slab caster mold by traveling magnetic field, NKK Tech. Rev.(2001), No. 85, p. 1.
    [14] N. Cao, M.Y. Zhu, Conditions for formation of a double-recirculation flow pattern in a slab continuous casting mold with argon blowing, Acta Metall Sin., 44(2008), No. 5, p. 626.
    [15] X.X. Deng, C.X. Ji, and L.P. Li, Flow pattern in continuous casting slab mold with argon blowing, Iron and Steel, 51(2016), No. 10, p. 23.
    [16] W. Chen, Y. Ren, L.F. Zhang, and P.R. Scheller, Large eddy simulation on the two-phase flow in a water model of continuous casting strand with gas injection, Steel Res. Int., 90(2019), No. 4, p. 33.
    [17] H. Bai, B.G. Thomas, Effects of clogging, argon injection, and continuous casting conditions on flow and air aspiration in submerged entry nozzles, Metall. Mater. Trans. B, 32(2001), No. 4, p. 707.
    [18] A. Asad, C. Kratzsch, and R. Schwarze, Numerical investigation of the free surface in a model mold, Steel Res. Int., 87(2016), No. 2, p. 181.
    [19] R. Hagemann, R. Schwarze, H.P. Heller, and P.R. Scheller, Model investigations on the stability of the steel-slag interface in continuous-casting process, Metall. Mater. Trans. B, 44(2013), No. 1, p. 80.
    [20] H. Bai, B.G. Thomas, Turbulent flow of liquid steel and argon bubbles in slide-gate tundish nozzles:Part II. Effect of operation conditions and nozzle design, Metall. Mater. Trans. B, 32(2001), No. 2, p. 269.
    [21] X.X. Deng, Q. Huang, and X.H. Wang, Effect of solidified shell on level characteristics in continuous casting slab molds for high speed casting, Chinese J Eng., 36(2014), No. 9, p. 1247.
    [22] H.X. Yu, X.X. Deng, X.H. Wang, C.X. Ji, and G.S. Zhu, Characteristics of subsurface inclusions in deep-drawing steel slabs at high casting speed, Metall. Res. Technol., 112(2015), No. 6, p. 608.
    [23] X.X. Deng, X. Xiong, and X.H. Wang, Effect of nozzle bottom shapes on level fluctuation and meniscus velocity in high-speed continuous casting molds, Chinese J Eng., 36(2014), No. 4, p. 515.
    [24] Y. Miki, S. Takeuchi, Internal defects of continuous casting slabs caused by asymmetric unbalanced steel flow in mold, ISIJ Int., 43(2003), No. 10, p. 1548.
    [25] R. Liu, B.G. Thomas, J. Sengupta, S.D. Chung, and M. Trinh, Measurements of molten steel surface velocity and effect of stopper-rod movement on transient multiphase fluid flow in continuous casting, ISIJ Int., 54(2014), No. 10, p. 2314.
    [26] T. Zhang, J. Yang, and P. Jiang, Measurement of molten steel velocity near the surface and modeling for transient fluid flow in the continuous casting mold, Metals, 9(2019), No. 1, p. 36.
    [27] T. Zhang, Z.G. Luo, H. Zhou, B. Ni, and Z.S. Zou, Analysis of two-phase flow and bubbles behavior in a continuous casting mold using a mathematical model considering the interaction of bubbles, ISIJ Int., 56(2016), No. 1, p. 116.
    [28] X.X. Deng, C.X. Ji, Y. Cui, L. Li, X. Yin, Y. Yang, and A. McLean, Flow pattern control in continuous slab casting moulds:Physical modelling and plant trials, Ironmak. Steelmak., 44(2016), No. 6, p. 461.
    [29] S. Kunsteich, P.H. Dauby, Effect of liquid steel flow pattern on slab quality and the need for dynamic electromagnetic control in the mould, Ironmak. Steelmak. 32(2005), No. 1, p. 80.
  • [1] Zhuo Chen and Hou-fa Shen, Simulation of macrosegregation in a 36-t steel ingot using a multiphase model, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1875-9
    [2] Yi-ru Yang,Qi-peng Bao,Lei Guo,Zhe Wang, and Zhan-cheng Guo, Numerical simulation of flash reduction process in a drop tube reactor with variable temperature, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-020-2210-1
    [3] Yu-kun Huo,Li-hua Zhao,Hang-hang An,Min Wang, and Chang-dong Zou, Model prediction of the effect of in-mold electromagnetic stirring on negative segregation under bloom surface, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1906-6
    [4] Siyi Li, Marco de Werk, Louis St-Pierre, and  Mustafa Kumral, Dimensioning a stockpile operation using principal component analysis, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1849-y
    [5] Zhuo Yi, Wen-zhi Fu, Ming-zhe Li, Rui Li, Liang Zhao, and  Li-yan Wang, Numerical simulation and experimental verification of a novel double-layered split die for high-pressure apparatus used for synthesizing superhard materials, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1747-3
    [6] Hong-liang Zhao, Xing Zhao, Liang-zhao Mu, Li-feng Zhang, and  Li-qiang Yang, Gas-liquid mass transfer and flow phenomena in a peirce-smith converter: A numerical model study, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1831-8
    [7] Zheng-jie Shao, Hai-po Liu, Xiao-chun He, Bing Zhou, Yang Li, Shang-zhou Zhang, Meng-jin Li, and  Shu-jun Li, Microstructure and finite element analysis of hot continuous rolling of doped tungsten rod, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1746-4
    [8] Peng Fei, Yi Min, Cheng-jun Liu, and  Mao-fa Jiang, Effect of continuous casting speed on mold surface flow and the related near-surface distribution of non-metallic inclusions, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1723-y
    [9] Yi Li, Ming-zhe Li, and  Kai Liu, Influence of a multi-step process on the thickness reduction error of sheet metal in a flexible rolling process, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1711-2
    [10] Er-hu Qu, Ming-zhe Li, and  Rui Li, Improving effect on forming quality and accuracy using a polyurethane board positioning/resetting the discrete steel pad in multi-point forming, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1752-6
    [11] Yi-hong Li, Yan-ping Bao, Rui Wang, Li-feng Ma, and  Jian-sheng Liu, Modeling study on the flow patterns of gas-liquid flow for fast decarburization during the RH process, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1558-y
    [12] Dawei Yu and  Kinnor Chattopadhyay, Enhancement of the nickel converter slag-cleaning operation with the addition of spent potlining, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1637-0
    [13] Ying Li, Wen-zhi Fu, Ming-zhe Li, Xiao-dong Liu, Shuo Sun, and  Zhuo Yi, Influence of deformation path on the forming effect in a multistep flexible rolling process, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1669-5
    [14] Wen-rui Wang, Hui-fa Xie, Lu Xie, Han-lin Li, Xiao Yang, and  Yi-nan Shen, Anti-penetration performance of high entropy alloy-ceramic gradient composites, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-018-1685-5
    [15] A. I. Noskov, A. Kh. Gilmutdinov, and  R. M. Yanbaev, Effect of coaxial laser cladding parameters on bead formation, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1436-z
    [16] Bing Ni, Tao Zhang, Hai-qi Ni, and  Zhi-guo Luo, Mechanism and simulation of droplet coalescence in molten steel, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1517-z
    [17] Zi-qiang Pi, Xin Lu, Yuan Wu, Lu-ning Wang, Cheng-chang Jia, Xuan-hui Qu, Wei Zheng, Li-zhi Wu, and  Qing-li Shao, Simulation of jet-flow solid fraction during spray forming, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-017-1448-8
    [18] Lang Liu, Jie Xin, Chao Huan, Yujiao Zhao, Xiang Fan, Lijie Guo, and  KI-IL Song, Curing time effect on mesocosmic parameters of cemented paste backfill through particle flow code technique, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-020-2007-2
    [19] Ming Gao, Jin-tao Gao, Yan-ling Zhang, and  Shu-feng Yang, Simulation on scrap melting behavior and carbon diffusion under natural convection, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-020-1997-0
    [20] Da-peng Li, Hua-zhang Wu, Hai-feng Wang, and  Hong Li, Growth of solidified shell in bloom continuous casting mold of hypo-peritectic steel based on FeS tracer method, Int. J. Miner. Metall. Mater., https://doi.org/10.1007/s12613-019-1907-5
  • 加载中
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

Share Article

Article Metrics

Article views(814) PDF downloads(12) Cited by()

Proportional views

Effects of Operation Parameters on Flow Field in Slab Continuous Casting Mold with Narrow Width

  • Corresponding author:

    Jian Yang    E-mail: yang_jian@t.shu.edu.cn

  • 1) State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai 200444, China
  • 2) Hunan Valin Lianyuan Iron & Steel Co., LTD, Loudi 417000, China

Abstract: The computational simulation and the high temperature measurement of velocities near the mold surface based on the rod deflection method are carried out to study the effects of operation parameters on the flow field in the slab continuous casting mold with narrow width for the production of automobile exposed panels. Reasonable agreement between the calculated results and the measured subsurface velocities of liquid steel is obtained under the different operation parameters of continuous casting process. Based on the simulated results, the flow field on the horizontal plane of 50 mm away from the meniscus can be used as the characteristic flow field for optimizing the flow field of molten steel in the mold. The increased casting speed can increase the subsurface velocity of molten steel and shift down the position of vortex core in the downward circulation zone. The flow field of liquid steel can be improved by a relatively larger Ar gas flow rate of 7 l·min-1 in the slab CC mold with 1040 mm narrow width and 1.7 m·min-1 casting speed. The Double-Roll-Flow (DRF) pattern tends to be stabilized with the 170 mm immersion depth of SEN under the present experimental conditions.

Acknowledgements  The authors gratefully acknowledge the financial support from Hunan Valin Lianyuan Iron & Steel Co., LTD (NO. 18H00582).
Reference (29)

Catalog

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return