采用新型钢锭模消除二次缩孔  

A NEW TYPE OF MOULD FOR ELIMINATION OF SECONDARY PIPES

作　　者：由洪功 宋崇哲 刘君安 

机构地区：[1]鞍钢钢铁研究所

出　　处：《钢铁》1994年第1期18-21,共4页Iron and Steel

摘　　要：国内外广泛采用上小下大钢锭模浇注镇静钢工艺提高成材率，但其钢锭内部产生二次缩孔。新型钢锭模是在形成“金属桥”部位的模壁中间装有保温层，改变钢锭凝固条件，消除二次缩孔。因此，扩大该工艺应用可以提高成材率。he big-end-down ingot mould is widely used at home and abroad to increase the ingot yield of killed steel, but it brings about secondary pipes inside ingot.A new type of mould has been developed. The insulating layers are installed in its middle,where the metal bridge forms,so that the solidification condition can be changed and the secondary pipes can be eli-minated. Therefore the ingot production yield can be increased by appling this new techno-1ogy.

关 键 词：钢锭模 二次缩孔 保温度 

分 类 号：TF341.9[冶金工程—冶金机械及自动化]