Investigation on the Flow Field of Molten Steel in Ultrahigh-Speed Billet Continuous Casting Mold

2020 ◽  
pp. 263-274
Author(s):  
Pei Xu ◽  
Dengfu Chen ◽  
Peng Liu ◽  
Qinzheng Wang ◽  
MuJun Long ◽  
...  
Keyword(s):  
Flow Field ◽  
Continuous Casting ◽  
Molten Steel ◽  
Continuous Casting Mold ◽  
Casting Mold ◽  
Billet Continuous Casting

Simulation of Shell Thickness Distribution and Flow Field in Slab Continuous Casting Mold

2010 ◽  
Vol 146-147 ◽  
pp. 599-606
Author(s):  
Hong Zhong ◽  
Liang Ying Wen ◽  
Zheng Peng ◽  
Xiao Lin Zhang
Keyword(s):  
Flow Field ◽  
Continuous Casting ◽  
Molten Steel ◽  
Shell Thickness ◽  
Vortex Center ◽  
Continuous Casting Mold ◽  
Casting Mold ◽  
Slab Continuous Casting ◽  
The Impact ◽  
Port Angle

The shell distribution in the slab continuous casting mold has been simulated coupling a 3-D flow, temperature and volume fraction equations of the molten steel in FLUENT. The simulated results show that the flow velocity around the upper vortex center is decrease and the location of lower vortex center move down as the nozzle port angle increases. The simulated shell thickness in the center on the narrow face become thicker at meniscus and the shell thickness in the center on wide face decreases but the basic distributions of the shell tend to consistency as the nozzle port angle increases. The simulated results also show that the effects of solidified shell on flow field in mold is slight but the velocity of molten steel near the solidified shell. There are remelting near the impact regoins implicit our attentions in order to avoid breaking out.

Effects of U-Shape Inner Cooler on Flow and Solidification of Molten Steel in Slab Continuous Casting Mold

2011 ◽  
Vol 291-294 ◽  
pp. 423-427
Author(s):  
Yan Juan Jin ◽  
Xiao Chao Cui ◽  
Zhu Zhang
Keyword(s):  
Fluid Dynamics ◽  
Temperature Field ◽  
Flow Field ◽  
Continuous Casting ◽  
Molten Steel ◽  
Continuous Casting Mold ◽  
Slab Continuous Casting ◽  
Cooling Technology ◽  
Steel Flow

An inner-outer coupled cooling technology of molten steel for 1240×200mm slab continuous casting, that is to set an inner cooler—U shape pipes in the mold, is put forward in order to enhance the efficiency of transmitting heat and improve inner structure of billet. The flow status and solidification status of molten steel under coupling flow field and temperature field in inner-outer coupled cooling mold are simulated by using fluid dynamics software, and compare with those in traditional mold. It is found that setting inner cooler in the mold can make molten steel flow status even, which is favorable to floating up of the inclusion, quickening the solidification of steel liquid and improving the quality of billet.

scholarly journals Numerical Simulation of Fluid Flow, Heat Transfer, Species Transfer, and Solidification in Billet Continuous Casting Mold with M-EMS

Metals ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 66 ◽  
Author(s):  
Wenjie Zhang ◽  
Sen Luo ◽  
Yao Chen ◽  
Weiling Wang ◽  
Miaoyong Zhu
Keyword(s):  
Fluid Flow ◽  
Continuous Casting ◽  
Swirling Flow ◽  
Casting Process ◽  
Longitudinal Section ◽  
Current Intensity ◽  
Continuous Casting Mold ◽  
Casting Mold ◽  
Billet Continuous Casting ◽  
Negative Segregation

Electromagnetic stirring in mold (M-EMS) has been widely used in continuous casting process to improve the solidification quality of the steel strand. In the present study, a 3D multi-physical-field mathematical model was developed to predict the macro transport phenomena in continuous casting mold with M-EMS using ANSYS commercial software, and was adopted to investigate the effect of current intensity (0, 150, 200, and 240 A) on the heat, momentum, and species transports in the billet continuous casting mold with a size of 160 mm × 160 mm. The results show that when the M-EMS is on, the horizontal swirling flow appears and shifts the high-temperature zone upward. With the increase of current intensity, two swirling flows form on the longitudinal section of continuous casting mold and become more intensive, and the flow velocity of the molten steel at the solidification front increases. Thus, the wash effects of the fluid flow on the initial solidified shell become intensive, resulting in a thinner shell thickness at the mold exit and a significant negative segregation of carbon at the billet subsurface.

scholarly journals Two-phase Flow Numerical Simulation of Molten Steel and Argon Gas in a Continuous Casting Mold.

2002 ◽  
Vol 42 (11) ◽  
pp. 1251-1258 ◽  
Author(s):  
Noriko Kubo ◽  
Toshio Ishii ◽  
Jun Kubota ◽  
Norichika Aramaki
Keyword(s):  
Numerical Simulation ◽  
Continuous Casting ◽  
Molten Steel ◽  
Two Phase Flow ◽  
Phase Flow ◽  
Continuous Casting Mold ◽  
Two Phase ◽  
Argon Gas ◽  
Casting Mold

Influence of Inner Cooler on Flow of Molten Steel in Slab Continuous Casting Mold

2012 ◽  
Vol 217-219 ◽  
pp. 1942-1945
Author(s):  
Zhu Zhang ◽  
Yan Juan Jin ◽  
Jun Ting Zhang
Keyword(s):  
Fluid Dynamics ◽  
Continuous Casting ◽  
Molten Steel ◽  
Continuous Casting Mold ◽  
Casting Mold ◽  
Slab Continuous Casting ◽  
Cooling Technology ◽  
Steel Flow

In the paper a inner-outer couple cooling technology of molten steel for 1240×200mm slab continuous casting, that is to set an inner cooler-U shape pipes in the mold, is put forward in order to enhance the efficiency of transmitting heat and improve the flow status of molten steel. The flow status of molten steel in inner-outer couple cooling mold is simulated by using fluid dynamics software. It is found that setting inner cooler in the mold can make molten steel flow status even, which partly act as electromagnetic trig and is favorable to inclusion in molten steel floating up.

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