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连铸坯铸造工艺研究现状 被引量:1

Research situation of casting craft of continuous casting billet
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摘要 随着连铸技术的发展,提高连铸坯产量和质量成为连铸技术研究的主要问题之一.连铸由于其生产成本低、工作效率高、操作灵活以及高质量等优点在全世界的钢铁行业中都得到了迅速发展.近几年,高效连铸成为连铸发展的一个主要趋势.温度在铸坯凝固传热过程中备受关注,它关系着铸坯的质量和产量,决定高效连铸能否顺利进行.由于铸坯产品的质量与铸坯凝固过程密切相关,而连铸坯的凝固基本上是在二次冷却区内完成的,所以研究二冷热传输过程对了解铸坯凝固行为和保证铸坯质量也具有重要的意义. With the development of continuous casting technique,improving output and quality of products becomes an important problem in continuous casting research.Because of the advantages,such as low manufacturing cast,operational efficiency,flexible operation,and high quality and so on,continuous casting develops speedily in the field of steel all over the world.Nowadays,high efficiency continuous casting developed as a major trend.In the heat-transfer process of billet solidification,temperature is concerned terribly: it has relation with the output and quality of billet,and decides if the high efficiency continuous casting is able to go with a swing.Quality of billets is related to the solidifying process and casting billets solidify completely in secondary cooling zone,so the research of solidifying in secondary cooling zone is significant to understand solidification behavior and insure the products quality.
出处 《重庆文理学院学报(自然科学版)》 2010年第5期105-108,共4页 Journal of Chongqing University of Arts and Sciences
关键词 连铸 大方坯 重轨钢 凝固传热 温度场 continuous casting bloom heavy rail steel solidification heat-transfer temperature field
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