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单流中间包亚通量流量控制器新简单设计的数值与物理研究

Numerical and Physical Study on New Simple Design of Subflux Flow Controller for One-Strand Tundish.

作者信息

Cwudziński Adam

机构信息

Department of Metallurgy and Metals Technology, Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, Armii Krajowej 19, 42-201 Czestochowa, Poland.

出版信息

Materials (Basel). 2022 May 24;15(11):3756. doi: 10.3390/ma15113756.

DOI:10.3390/ma15113756
PMID:35683053
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9181676/
Abstract

Tundish metallurgy is essential for continuous steel casting technology. In this study, the subflux flow controller (SFC) installed in the tundish pouring zone was tested, demonstrating the possibility of simultaneously reducing the dimensions of the flow control device (FCD) and effectively influencing the structure of the liquid steel flow. On the basis of computer simulations and water model trials, results were obtained describing the hydrodynamic structure in considered variants of the one strand slab tundish. Considering the influence of the SFC on the steel flow structure in the tundish, and the gradient of the wall shear stress and total pressure on the SFC surface/tundish walls, the most optimal SFC variant for a single-strand wedge-type tundish is SFC No. 2C.

摘要

中间包冶金对于连铸技术至关重要。在本研究中，对安装在中间包浇注区的亚通量流量控制器（SFC）进行了测试，证明了在减小流量控制装置（FCD）尺寸的同时有效影响钢液流动结构的可能性。基于计算机模拟和水模型试验，获得了描述单流板坯中间包各考虑变体中流体动力学结构的结果。考虑到SFC对中间包内钢液流动结构的影响，以及SFC表面/中间包壁上的壁面剪应力和总压力梯度，单流楔形中间包的最优SFC变体是2C号SFC。

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