宽厚板坯连铸二冷工艺开发与应用  

Development and Application of Secondary Cooling Technic in Continuous Casting Process of Heavy Plate Slab

作　　者：潘贻芳[1] 祭程[2] 张晓博[2] 蔡兆镇[2] 罗森[2] 朱苗勇[2] 

机构地区：[1]天津钢铁集团有限公司,天津300182 [2]东北大学材料与冶金学院,辽宁沈阳110819

出　　处：《中国冶金》2012年第9期42-46,50,共6页China Metallurgy

基　　金：国家杰出青年科学基金(50925415);国家自然科学基金青年基金(51004030)

摘　　要：利用Gleeble 3500测定了AH36船板钢的高温塑性,并基于天钢4号板坯连铸机设备参数,设计开发了板坯连铸凝固传热数学模型,分析了不同冷却工艺和浇铸条件下连铸坯的温度分布,并对二冷工艺进行了优化。工艺投用结果表明,连铸坯裂纹缺陷得到了有效改善。Based on the equipment parameters of continuous casting machine No.4 of Tiansteel and the thermoplastic parameters of AH36 steel,the solidification and heat transfer model of heavy plate slab has been established.The slab temperature distribution under different cooling strength and continuous casting conditions are analyzed,and the secondary cooling parameters are optimized.The application results show that the slab cracks defects have been improved effectively.

关 键 词：宽厚板 板坯连铸 凝固传热 二冷 

分 类 号：TF777.1[冶金工程—钢铁冶金]