A novel method for determining the three dimensional variation of non-linear thermal resistance at the mold-strand interface in billet continuous casting process

2020 ◽  
Vol 119 ◽  
pp. 104984
Author(s):  
Pedduri Jayakrishna ◽  
Saurav Chakraborty ◽  
Suvankar Ganguly ◽  
Prabal Talukdar
Keyword(s):  
Continuous Casting ◽  
Thermal Resistance ◽  
Three Dimensional ◽  
Casting Process ◽  
Continuous Casting Process ◽  
Billet Continuous Casting ◽  
Non Linear ◽  
Dimensional Variation ◽  
Novel Method

Inclusions, lining materials and nozzle clogging during middle carbon steel billet continuous casting process

2008 ◽  
Vol 105 (2) ◽  
pp. 72-79 ◽  
Author(s):  
Shihong Liu ◽  
Xinhua Wang ◽  
Xiangjun Zuo ◽  
Yufeng Wang ◽  
Lifeng Zhang ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Continuous Casting ◽  
Casting Process ◽  
Continuous Casting Process ◽  
Nozzle Clogging ◽  
Steel Billet ◽  
Billet Continuous Casting

3D Fem Study of Fluid Flow in the Mould for Billet Continuous Casting

2009 ◽  
Vol 79-82 ◽  
pp. 1269-1272
Author(s):  
Wei Chen ◽  
Bao Xiang Wang ◽  
Yu Zhu Zhang ◽  
Jin Hong Ma ◽  
Su Juan Yuan
Keyword(s):  
Fluid Flow ◽  
Continuous Casting ◽  
Casting Speed ◽  
Three Dimensional ◽  
Casting Process ◽  
Element Model ◽  
3D Fem ◽  
Billet Continuous Casting ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element

In this paper, a three-dimensional finite element model is developed to simulate and analyze the turbulent flow in the mould of billet continuous casting. The result shows that if the SEN is used in the continuous casting process, there exists a symmetrical stronger vortex in the middle of the mould and a weaker vortex above the nozzle. The casting speed, the depth and diameter of SEN all have significant effect on the fluid flow field and the turbulent kinetic energy on the meniscus, and then have effect on the billet quality. At the given conditions, the optimum set of parameters is: the casting speed 0.035 , the depth of the SEN 0.1 , the diameter of the SEN 0.025 . Online verifying of this model has been developed, which can be proved that it is very useful to control the steel quality and improve the productivity.

Modeling of the Steel Flow and Non-Metallic Inclusion Separation due to Flotation in a Six-Strand cc Tundish

2012 ◽  
Vol 706-709 ◽  
pp. 1556-1561
Author(s):  
Marek Warzecha
Keyword(s):  
Continuous Casting ◽  
Technological Development ◽  
Three Dimensional ◽  
Steel Production ◽  
Casting Process ◽  
Metallic Inclusion ◽  
Continuous Casting Process ◽  
Flow Through ◽  
Steel Flow ◽  
Physical Phenomena

Constantly increasing customers’ demands for the production of high and very high-quality steels, promote the intensive technological development of their production. Today, the dominating method of global steel production is continuous casting. A continuous casting plant includes the ladle turret, several steel ladles, a tundish, and a mold followed by a framework of rolls to support the strip. The tundish has become a very important metallurgical unit in the continuous casting process. Nowadays its role is not only to guaranty the link between the process of secondary metallurgy and the continuous casting process in the mould but it becomes an active metallurgical reactor. Therefore in recent years a lot of researches were done to establish a better understanding of the physical phenomena accompanying the steel flow through the tundish and non-metallic inclusion separation into the top slag cover. The article presents computational studies of the three-dimensional turbulent steel flow and non-metallic inclusions separation in a multi-strand tundish for steady-state casting conditions. Simulations of the steel flow in the tundish are performed with boundary conditions that are derived from the real casting process. The mathematical model used for simulations, was partly validated with experimental measurements. Numerical calculations are carried out by the finite-volume code Fluent using k-ε standard turbulence model. With the calculated flow field, micro-inclusions removal due to flotation to the coving slag is investigated numerically. For the particle separation at the interface a modified boundary condition is implemented.

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