| HRB335小方坯脱方的原因分析及控制轧制 |
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| 引用本文： | 曹志刚,王建新,许伟阳,李燕,杜忠泽,王春波. HRB335小方坯脱方的原因分析及控制轧制[J]. 物理测试, 2011, 29(4): 48-52 |
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| 作者姓名： | 曹志刚 王建新 许伟阳 李燕 杜忠泽 王春波 |
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| 作者单位： | 1. �����о���Ժ;2. ; |
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| 摘 要： | 脱方是小方坯连铸常见的质量缺陷,一般认为结晶器磨损严重,钢水在结晶器内冷却不均匀,以及二冷喷嘴状况不佳,二次冷却不均匀等是脱方的主要原因。分析了新疆八一钢铁股份有限公司（以下简称八钢）第一炼钢厂2号连铸机HRB335钢连铸坯脱方的成因：一是HRB335钢水过热度较高,相比过热度较低的HPB235,其坯壳厚度比HPB23...
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| 关 键 词： | 连铸坯 脱方 二次冷却强度 喷淋管 控制轧制 |
Analysis and Controlled Rolling of Rhomboidity of Small HRB335 Steel Continuous Casting Billet |
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| CAO Zhi-gang,,WANG Jian-xin,XU Wei-yang,LI Yan,DU Zhong-ze,WANG Chun-bo (.School of Metallurgy Engineering,Xi'an University of Architecture , Technology,Xi'an ,Shaanxi,China,.No. Steelmaking Plant of Xinjiang Bayi Iron , Steel Corporation,Urumqi ,Xinjiang,.National Engineering Research Central of Continuous Casting Technology,Central Iron , Steel Research Institute,Beijing ,.Anyang Yongxing Iron , Steel Corporation of Shagang Group,Anyang ,Henan,Chi.... Analysis and Controlled Rolling of Rhomboidity of Small HRB335 Steel Continuous Casting Billet[J]. Physics Examination and Testing, 2011, 29(4): 48-52 |
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| Authors: | CAO Zhi-gang WANG Jian-xin XU Wei-yang LI Yan DU Zhong-ze WANG Chun-bo (.School of Metallurgy Engineering Xi'an University of Architecture Technology Xi'an Shaanxi China .No. Steelmaking Plant of Xinjiang Bayi Iron Steel Corporation Urumqi Xinjiang .National Engineering Research Central of Continuous Casting Technology Central Iron Steel Research Institute Beijing .Anyang Yongxing Iron Steel Corporation of Shagang Group Anyang Henan Chi... |
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| Affiliation: | CAO Zhi-gang1,3,WANG Jian-xin2,XU Wei-yang3,LI Yan1,DU Zhong-ze1,WANG Chun-bo4 (1.School of Metallurgy Engineering,Xi'an University of Architecture and Technology,Xi'an 710055,Shaanxi,China,2.No.1 Steelmaking Plant of Xinjiang Bayi Iron and Steel Corporation,Urumqi 830022,Xinjiang,3.National Engineering Research Central of Continuous Casting Technology,Central Iron and Steel Research Institute,Beijing 10081,4.Anyang Yongxing Iron and Steel Corporation of Shagang Group,Anyang 455000,Henan,Chi... |
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| Abstract: | Rhomboidity is an ordinary quality problem of continuous casting billet.Generally speaking,serious wearing of the mould,non-uniform cooling in the mould,abnormal functioning of the secondary cooling nozzle and non-uniform secondary cooling might be the main reasons.The reasons for rhomboidity of HRB335 steel continuous casting billet in No.2 continuous caster of No.1 Steelmaking Plant of Xinjiang Bayi Iron and Steel Corporation are analyzed.Firstly,because the supper heat of HRB335 steel is high,compared wi... |
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| Keywords: | continuous casting billet rhomboidity secondary cooling intensity spaying tube controlled rolling |
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