| 大方坯连铸40Cr凝固特性及铸坯质量的研究 |
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| 引用本文： | 安航航,韩传基,韩丽娜,钱亮,李博,孙彦辉.大方坯连铸40Cr凝固特性及铸坯质量的研究[J].连铸,2013,32(1):36-40. |
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| 作者姓名： | 安航航 韩传基 韩丽娜 钱亮 李博 孙彦辉 |
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| 作者单位： | 1. 中冶连铸北京冶金技术研究院，北京 100028 2. 新冶钢炼钢事业部转炉分厂，湖北 黄石 435000 3. 北京科技大学冶金与生态工程学院，北京 100083 |
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| 摘 要： | 以新冶钢410mm×530mm断面大方坯铸机生产的40Cr为研究对象，采用射钉试验及酸浸低倍试验研究了40Cr的凝固过程，并根据试验结果对在线动态二冷配水和轻压下模型进行了标定。试验结果证明：结合射钉试验与离线大方坯凝固传热数学模型可有效地校正在线动态二冷配水和轻压下模型，并优化二冷配水和凝固末端轻压下工艺，显著地提高铸坯内部质量。
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| 关 键 词： | 大方坯，射钉实验，凝固系数，铸坯质量 |
Solidification Characteristics and Slab Quality of 40Cr of Bloom Caster |
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| AN Hang-hang,HAN Chuan-ji,HAN Li-na,QIAN Liang,LI Bo,SUN Yan-hui.Solidification Characteristics and Slab Quality of 40Cr of Bloom Caster[J].CONTINUOUS CASTING,2013,32(1):36-40. |
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| Authors: | AN Hang-hang HAN Chuan-ji HAN Li-na QIAN Liang LI Bo SUN Yan-hui |
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| Affiliation: | 1. Metallurgical Technology Research Institute of Beijing in CCTEC, Beijing 100028, China 2. Converter Plant of Steel-Making Division in the New Yegang Co., Ltd., Huangshi 435000, Hubei,China 3. Metallurgical and Ecological Engineering School, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | Solidification characteristics of 40Cr 410mm×530mm alloy steel bloom caster produced in the New Yegang Co Ltd was studied by means of pin shooting and acid leaching test. Online dynamic secondary cooling water and soft reduction system were calibrated by test result. The test result showed pin shooting test combined with offline transfer mathematical model on the bloom solidification could revise online dynamic secondary cooling water and soft reduction system effectively and optimze secondary cooling water and soft reduction technology. Finally inner slab quality was improved significantly. |
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| Keywords: | bloom pin shooting test solidification coefficient slab quality |
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