论文部分内容阅读
对锡磷青铜薄板坯水平连铸的行波电磁搅拌技术进行了优化研究,提出了在搅拌器的端部放置硅钢片、改变搅拌器的长度以及减小搅拌器的端部电流强度等3种方法,来优化连铸薄板坯端部的流动和凝固过程,并采用数值模拟和工厂实验相结合的方法对其进行了分析。结果表明:相比其他2种方法,通过在行波搅拌器的端部放置硅钢片更有利于改善熔体端部的流动状况,当施加硅钢片的长度为150 mm时,熔体端部的强环流消失,连铸坯端部的凝固坯生长更加均匀,从而有利于防止连铸薄板坯边部的裂纹和偏析缺陷产生。
The electromagnetic wave stirring technology of horizontal continuous casting of tin-phosphor bronze thin slab was optimized. Three kinds of silicon steel sheets were put on the end of the stirrer to change the length of the stirrer and reduce the current intensity at the end of the stirrer Method to optimize the flow and solidification process of the end of continuous casting thin slab, and analyzed by numerical simulation and factory experiment. The results show that compared with the other two methods, the placement of silicon steel sheet at the end of the traveling wave agitator is more favorable to improve the flow of the melt end. When the length of the silicon steel sheet is 150 mm, Strong circulation disappears, the continuous casting billet solidified billet growth more uniform, which will help prevent the edge of the continuous casting thin slab cracks and segregation defects.