水平连铸机生产20管坯表面质量分析  

Analyzing on Surface Quality of 20 Tube Blank Produced By Horizontal Continuous Caster

作　　者：宋涛[1] 吴兵 

机构地区：[1]济南钢铁集团石横特殊钢厂

出　　处：《山东冶金》1999年第6期38-39,共2页Shandong Metallurgy

摘　　要：对石横特殊钢厂水平连铸机生产２０管坯中出现的一些表面质量缺陷的产生原因进行分析，采取了控制钢水中Ｃ含量、锰硫比、钢水过热度、控制中间包液面、拉坯辊压和工艺参数、提高结晶器质量等措施，有效地控制了连铸坯表面缺陷的产生。The analysis for produced cause of surface quality defect on 20 tube blank produced by horizontal continuous caster in Shiheng special steel plant is done Through taking on some measures consisted of controlling carbon content in liquid steel,the rate of manganese and sulphur,overheat degree of liquid steel,liquid level of tundish,withdrawal billet roll pressure and process parameter,and increasing the quality of mould,etc,the surface defect on continuous casting tube blank can be controlled effectively

关 键 词：水平连铸机 20管坯 表面缺陷 过热度 结晶器 

分 类 号：TF777.6[冶金工程—钢铁冶金]