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Flow Control in Six-Strand Billet Continuous Casting Tundish With Different Configurations
Alternative TitleFlow Control in Six-Strand Billet Continuous Casting Tundish With Different Configurations
Zhong Liangcai1; Wang Mingan1; Chen Boyu2; Wang Canrong2; Zhu Yingxiong1
2010
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume17Issue:7Pages:7-12
AbstractA 1 : 2.5 scale tundish model was set up in laboratory for a six-strand billet continuous casting tundish with different configurations to investigate fluid flow characteristics under different operational conditions by measuring residence time distribution curves. It was found that minimum residence time, maximum concentration time and average residence time of the three strands on the same side of the tundish with the former configuration under normal operation, that is, six strands were open, were small and non-uniform and the tundish had large dead volume fraction. Vortexes easily formed on the liquid surface in the pouring zone of the tundish. The fluid flow characteristics in the tundish with the optimal turbulence inhibitor and baffles were improved and became less non-uniform among the strands. Vortexes were not found on the pouring zone surface in the optimal tundish. For non-normal operation, that is, one strand was close, it was important to choose which strand to be closed for maintaining flow characteristics of the rest two strands. It was found from this investigation that fluid flow characteristics in the optimal configuration tundish with closing strand 2 were better than those with closing strand 3 on the same side.
Other AbstractA 1∶2.5 scale tundish model was set up in laboratory for a six-strand billet continuous casting tundish with different configurations to investigate fluid flow characteristics under different operational conditions by measuring residence time distribution curves.It was found that minimum residence time,maximum concentration time and average residence time of the three strands on the same side of the tundish with the former configuration under normal operation,that is,six strands were open,were small and non-uniform and the tundish had large dead volume fraction.Vortexes easily formed on the liquid surface in the pouring zone of the tundish.The fluid flow characteristics in the tundish with the optimal turbulence inhibitor and baffles were improved and became less non-uniform among the strands.Vortexes were not found on the pouring zone surface in the optimal tundish.For non-normal operation,that is,one strand was close,it was important to choose which strand to be closed for maintaining flow characteristics of the rest two strands.It was found from this investigation that fluid flow characteristics in the optimal configuration tundish with closing strand 2 were better than those with closing strand 3 on the same side.
Keywordbillet continuous casting six-strand tundish flow control physical modeling operational mode
Indexed ByCSCD
Language英语
Funding Project[National High Technology Research and Development Plan of China]
CSCD IDCSCD:3918063
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/153017
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Sanming Iron & Steel Co, Steelmaking Plant, Sanming 365000, Fujian, Peoples R China
Recommended Citation
GB/T 7714
Zhong Liangcai,Wang Mingan,Chen Boyu,et al. Flow Control in Six-Strand Billet Continuous Casting Tundish With Different Configurations[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2010,17(7):7-12.
APA Zhong Liangcai,Wang Mingan,Chen Boyu,Wang Canrong,&Zhu Yingxiong.(2010).Flow Control in Six-Strand Billet Continuous Casting Tundish With Different Configurations.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,17(7),7-12.
MLA Zhong Liangcai,et al."Flow Control in Six-Strand Billet Continuous Casting Tundish With Different Configurations".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 17.7(2010):7-12.
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