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小方坯连铸低碳低硅铝镇静钢可浇性
引用本文:刘学华,韩传基,蔡开科,宋超,茆勇,孙维,张建平. 小方坯连铸低碳低硅铝镇静钢可浇性[J]. 北京科技大学学报, 2005, 27(4): 431-435
作者姓名:刘学华  韩传基  蔡开科  宋超  茆勇  孙维  张建平
作者单位:1. 北京科技大学冶金与生态工程学院,北京,100083;马鞍山钢铁股份有限公司技术中心,马鞍山,243000
2. 北京科技大学冶金与生态工程学院,北京,100083
3. 马鞍山钢铁股份有限公司技术中心,马鞍山,243000
摘    要:在分析水口堵塞的基础上,结合马钢三炼钢生产实际,采用正交实验法研究了钙处理的喂线速度、喂线量和中间包水口内径对140mm×140mm小方坯连铸低碳低硅高酸溶铝钢水口堵塞的影响.结果表明,提高喂线速度、加大喂线量和增加水口内径可避免水口的堵塞.采用以上工艺,连浇炉数达8~10炉,且铸坯内部和表面质量良好.

关 键 词:小方坯连铸  铝镇静钢  可浇性  正交实验  方坯连铸  低碳低硅铝镇静钢  可浇性  steel  continuous casting  表面质量  铸坯  连浇炉数  工艺  水口堵塞  中间包水口  结果  影响  高酸溶铝钢  内径  喂线速度  钙处理  研究  正交实验法  炼钢生产
收稿时间:2004-04-12
修稿时间:2005-01-12

Castability of billet continuous casting for low-carbon low-silicon Al-killed steel
LIU Xuehua,HAN Chuanji,CAI Kaike,SONG Chao,MAO Yong,SUN Wei,ZHANG Jianping. Castability of billet continuous casting for low-carbon low-silicon Al-killed steel[J]. Journal of University of Science and Technology Beijing, 2005, 27(4): 431-435
Authors:LIU Xuehua  HAN Chuanji  CAI Kaike  SONG Chao  MAO Yong  SUN Wei  ZHANG Jianping
Abstract:On the basis of analyzing nozzle clogging, the effects of feeding speed, the amount of Ca-Fe cored wire during Ca-treatment and nozzle diameter on the castablity of billet continuous casting for low-carbon low-silicon Al-killed steel were studied by an orthogonal test in line with the on-site condition of No.3 Steelmaking Shop of Ma-Steel, China. The results showed that increasing the feeding speed, the amount of Ca-Fe cored wire and the diameter of the tundish nozzle can prevent blockage. After adopting these parameters proposed, 8~10 heats could be cast in sequence, and the surface quality and internal quality of the billets are satisfactory.
Keywords:billet continuous casting   Al-killed steel   castability   orthogonal test
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