Vol.29 Suppl.1 阮小江等：兴澄特钢中间包结构优化 141· 钢，2002,2：52 [5]Sahai Y,Burval M D.Valididity of renolds and froude similarity [2)樊俊飞，张清朗，朱苗勇，等。六流T形连铸中间包内控流装 criteria for water modeling of melt flow in tunishes /Iron and 置优化的水模研究.钢铁，1998,5：24 Steel Society Inc eds.Proc of the Electric Furnace Conf.Atlant: [3)吕安。天铁炼钢厂四流中间包流场的水模实验及优化.天津治 Catanzarite K A,1992,469 金，2003,4：20 [6]Koria S C,Singh S.Physical modeling of the effects of the flow 4王建军，包燕平，曲英。中间包治金学。北京：治金工业出版 modiffier on the dynamics of molten steel flowing in a tunish 社，2001 1s1J1nt.,1994,34(10:784 Optimizing of tundish structure in XingCheng Special Steel RUAN Xiaojing,LI Jingshe,WANG Jianbin,YANG Shufeng,TANG Haiyan,WANG Yugang Metallurgical and Ecological Engineering School,University and Science Technology Beijing,Beijing 100083,China ABSTRACT Based on the tundish in Xingcheng Special Steel,according to the similar principle,the water modeling system of the four-strand caster tundish was built.The simulating study shows that a large difference in flow characteristics exits between the two outlets at the same side of the tunish comparing with those of the for- mer configuration.Compared to the inside outlet,the outside outlet has short minimum residence time and peak concentration time and larger dead zone volume.So the original design of the tundish can not meet the technical requirements for inclusion floatation and temperature homogenization.With the optimal tunish configuration by using dam and weir,the RTD curves of two outlets at the same side tend to be the same,showing that the flow characteristics between the two outlets are almost uniform.With the optimal tunish configuration,the average percentage of dead zone volume is decreased to 10.9%from 58.2%. KEY WORDS continuous casting;tundish;water modeling;configuration optimizationVol.29 Suppl.1 阮小江等：兴澄特钢中间包结构优化 • 141 • 钢，2002, 2: 52 [2] 樊俊飞，张清朗，朱苗勇，等．六流 T 形连铸中间包内控流装 置优化的水模研究．钢铁，1998, 5: 24 [3] 吕安．天铁炼钢厂四流中间包流场的水模实验及优化．天津冶 金，2003, 4: 20 [4] 王建军，包燕平，曲英．中间包冶金学．北京：冶金工业出版 社，2001 [5] Sahai Y, Burval M D. Valididity of renolds and froude similarity criteria for water modeling of melt flow in tunishes // Iron and Steel Society Inc eds. Proc of the Electric Furnace Conf. Atlant: Catanzarite K A, 1992, 469 [6] Koria S C, Singh S. Physical modeling of the effects of the flow modiffier on the dynamics of molten steel flowing in a tunish. ISIJ Int., 1994, 34 (10): 784 Optimizing of tundish structure in XingCheng Special Steel RUAN Xiaojing, LI Jingshe, WANG Jianbin, YANG Shufeng, TANG Haiyan, WANG Yugang Metallurgical and Ecological Engineering School, University and Science Technology Beijing, Beijing 100083, China ABSTRACT Based on the tundish in Xingcheng Special Steel, according to the similar principle, the water modeling system of the four-strand caster tundish was built. The simulating study shows that a large difference in flow characteristics exits between the two outlets at the same side of the tunish comparing with those of the for￾mer configuration. Compared to the inside outlet, the outside outlet has short minimum residence time and peak concentration time and larger dead zone volume. So the original design of the tundish can not meet the technical requirements for inclusion floatation and temperature homogenization. With the optimal tunish configuration by using dam and weir, the RTD curves of two outlets at the same side tend to be the same, showing that the flow characteristics between the two outlets are almost uniform. With the optimal tunish configuration, the average percentage of dead zone volume is decreased to 10.9% from 58.2%. KEY WORDS continuous casting; tundish; water modeling; configuration optimization