电磁制动技术的发展及在板坯连铸结晶器中的应用.pdfVIP

第 1 期 连 铸 No. 1 2009 年2月 Continuous Casting February 2009 1,2 2 2 1 , , , ( 1. 安徽工业大学冶金与资源学院, 安徽 马鞍山243002; 2. 钢铁研究总院先进钢铁流程及 料国家重点实验室, 北京 100081) : 总结了板坯连铸结晶器中电磁制动技术的发展、研究状况以及冶金效果。电磁制动技术可以控制结晶器 内钢液的流动、稳定弯月面、减少卷渣现象, 有利于结晶器内夹杂物的上浮及去除, 从而提高铸坯的质量, 且为提高 铸坯拉速创造了条件。结果表明电磁制动的影响因素有板坯宽度、浇注速度、浸入式水口( SEN) 的形状等。 : 结晶器; 电磁制动; 板坯质量 : TF . 1 : A : 100524006(2009) 012 0040204 Development of Electromagnetic Brake Technique and Application in Slab Continuous Casting Mold 1, 2 2 2 1 NI Sheng2qi , PENG Shi2heng , QIU Sheng2tao , GU O Shang2xing ( 1. School of Metallurgy Engineering and Resource, Anhui Univer sity of Technology, Ma. anshan 243002, Anhui, China; 2. State Key Laboratory of Advanced Steel Processing and Products, Central Iron and Steel Research Institute, Beij ing 100081, China) Abstract: The development of EMBr in slab cont inuous casting mold, its current research conditions and its effect in met allurgy were reviewed. The EMBr can be used to control fluid flow,to st abilize meniscus, to reduce t he entrap2 ment of mold powder, to eliminate non2metallic inclusions in the mold, and hence to improve the slab quality and in2 crease the cast ing speed possible. T he results show that the effect factor s of EMBr are slab width, casting speed, the shape of submerged entry nozzle( SEN) and so on. Ke words: mold; EMBr; slab quality 高效连铸决定铸坯质量的重要因素之一是结 1 晶器内钢水的流动和传热。结晶器内钢水的流动 支配着结晶器内夹杂物和气泡的上浮分离; 弯月