连铸坯压下技术发展与应用
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摘要
连铸坯压下技术已成为控制铸坯质量的重要手段之一。通过介绍轻压下技术、重压下技术、大压下技术三种连铸坯压下技术的发展现状、作用机理以及应用效果,分析了重压下和大压下技术在改善厚规格、大断面铸坯内部质量方面的优势。动态轻压下技术与铸坯凝固末端重压下或大压下技术相结合,将会成为未来连铸行业的发展趋势。
The reduction technology of continuous casting slab has become one of the important means to control the quality of slab. By introducing the development status, mechanism and application effect of soft reduction, heavy reduction and large reduction, the advantages of heavy reduction and large reduction in improving the internal quality of thick and large section billets are analyzed. The combination of dynamic soft reduction technology and heavy reduction or large reduction technology at the solidification end of billet will become the development trend of continuous casting industry in the future.
The reduction technology of continuous casting slab has become one of the important means to control the quality of slab. By introducing the development status, mechanism and application effect of soft reduction, heavy reduction and large reduction, the advantages of heavy reduction and large reduction in improving the internal quality of thick and large section billets are analyzed. The combination of dynamic soft reduction technology and heavy reduction or large reduction technology at the solidification end of billet will become the development trend of continuous casting industry in the future.
引文
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[3]陈子宏,高文芳,王建民,等.动态轻压下在中碳钢铸坯中心偏析控制中的应用[J].钢铁研究,2009,37(5):40～42.
[4]谢长川,张炯明,王新华,等.动态轻压下技术的研发及运用[J].钢铁,2009,44(12):100～104.
[5]赵军普,刘浏,范建文,等.轻压下技术及其在连铸中的研究与应用[J].材料导报,2016,30(15):57～61.
[6]王文军,朱志远,李战军,等.连铸厚板坯轻压下技术的应用[J].钢铁,2012,47(3):20～24.
[7]祭程,朱苗勇.大断面连铸坯凝固末端重压下新工艺的开发与应用[A].中国工程院化工、冶金与材料工程第十一届学术会议论文集[C].宁波:2016,547～551.
[8]周伟基,沙玉峰,路辉,等.GCr15连铸大方坯凝固终点及末端的大压下区间[J].钢铁,2018,53(1):41～45.
[9]董其鹏,张炯明,赵新凯,等.板坯凝固末端重压下的模拟研究[A].中国金属学会.第十届中国钢铁年会暨第六届宝钢学术年会论文集[C].上海,2015:1～8.
[10]Luo S,Zhu M Y,Ji C.Theoretical model for determining optimum soft reduction zone of continuous casting steel[J].Ironmaking &Steelmaking,2014,41(3):233～239.
[11]Ji C,Luo S,Zhu M Y.Analysis and application of soft reduction amount for bloom continuous casting process[J].ISIJ Int,2014,54(3):504～510.
[12]Masaya Takubo,Yukihiro Matsuoka,Yasuaki Miura,et al.NSENGI's new developed bloom continuous casting technology for improving internal quality of special bar quality (NS bloom large reduction)[A].2015连铸装备的技术创新和精细化生产技术交流会[C].西安:《连铸》杂志编辑部,2015:307～311.
[13]K.Araki,T.Kohriyama,M.Nakamura.Development of heavy section steel plates with improved internal properties through forging and plate rolling process using continuous casting slabs[J].Kawasaki Steel Giho,1988,30(3):181～187.
[14]K.Araki,S.I.Deshimaru,H.Kondo,et al.Manufacture of heavy section steel plates with improved internal properties through combined forging and plate rolling process using continuous casting slabs[J].Journal of High Pressure Institute of Japan,2003,41(4):168～174.
[15]S.Hiraki,A.Yamanaka,Y.Shirai,et al.Development of new continuous casting technology(PCCS) for very thick plate[J].Material Japan,2009(48):20～27.
[16]H.Kagechika.Production and Technology of Iron and Steel in Japan during 2007[J].ISIJ International,2008,48(6):707～712.
[17]S.Hiraki,A.Yamanaka,Y.Shirai,et al.Development of new continuous casting technology(PCCS) for very thick plate[J].Materia Japan,2009,48(1):20～25.
[18]胡贤磊,曾庆亮,丁敬国.厚板尾部大压下法的应用[J].钢铁,2014,49(12):54～58.
[19]张焰,白亚斌.单道次大压下对连铸大圆坯内部缺陷影响有限元仿真[J].上海金属,2013,35(5):48～52.