178paper薄板坯连铸浸入式水口国产化与技术优化

178paper 薄板坯连铸浸入式水口国产化与技术优化薄板坯连铸用浸入式水口国产化与技术优化杨杰 1 彭国仲 1 王爱东 1 杨春政 1 张洪波 1 吴振刚 1 郭连英 1 朱万彤 2 赵连刚 2（1.唐山钢铁股份有限公司，唐山 063016；2.鞍山市东方巨业高级陶瓷有限公司，鞍山 114042）摘 要 唐钢针对进口浸入式水口频繁断裂、穿孔等咨询题，进行薄板坯连铸用水口国产化讨论，通过水口断裂缘故分析，发觉在现有条件基础上，进一步提高水口的热震稳固性是解决咨询题的关键，由此确定提高水口内壁气孔率、采纳横、纵向复合结构，同时兼顾水口耐腐蚀性的技术方案，并通过相关技术优化和多次生产试验，最终开发出长寿命的国产水口。采纳运算机数字仿真方法，进行了结晶器内钢水流淌和传热凝固过程的理论运算，在流场讨论的基础上，优化了水口形状，开发出具有自主知识产权的新型四孔水口。关键词 薄板坯连铸 浸入式水口 热震稳固性 长寿命 国产化 新型水口The development of the Home-made SEN of thin slab casting and the technology optimizationYang Jie1 Peng Guozhong1 Wang Aidong1 Yang Chunzheng1 Zhang Hongbo1 Wu Zhengang1 Guo Lianying1 Zhu Wantong2 Zhao Liangang2（1.Tangshan Iron & Steel Co.,Ltd.，Tangshan063016；2.AnShan DongFangJuYe senior ceramics Co.,Ltd.，AnShan114042）Abstract: In order to solve the problems of the crack and pin holes in the SEN ( sub-merged nozzle ) , TISCO researched and developed the Home-made SEN of thin slab casting .By analysing the damaged reason of SEN ,TISCO found that the key of solving problems was the improve of the heat vibration stability of SEN ,and determined the technology plan that increasing the air holes ratio of SEN interface , making with the compound structure in the transverse and longitudinal direction of the SEN ,assuring anti-corrosion ability of the SEN ,by other technology improvements and Experiment test , TISCO developed the SEN with the long working life at last .the computer digital simulation method is used to calculat...