超低碳钢连铸保护渣性能的检验分析  

Test and Analysis of Properties of Continuous Casting Slag in Ultra-low Carbon Steel

作　　者：白婧 肖鹏程 朱立光 王杏娟 张燕平 BAI Jing;XIAO Pengcheng;ZHU Liguang;WANG Xingjuan;ZHANG Yanping(School of Metallurgy ＆ Energy,Hebei Province High Quality Steel Continuous Casting Engineering Technology Research Center,North China University of Science and Technology,Tangshan 063009,China;Tangshan Stainless Steel Co,Ltd.,Tangshan 063100,China)

机构地区：[1]华北理工大学冶金与能源学院,河北省高品质钢连铸工程技术研究中心,河北唐山063009 [2]唐山不锈钢有限公司,河北唐山063100

出　　处：《铸造技术》2018年第7期1530-1532,共3页Foundry Technology

基　　金：国家自然科学基金(No.51574106);河北省自然科学基金重点项目(E2016209396);河北省高等学校高层次人才科学研究项目(GCC2014030)资助

摘　　要：通过应用半球法熔点-熔速分析、旋转法粘度测定及单丝法结晶性能测定等方法,对钢浇注过程中选用的超低碳钢保护渣进行了分析。结果表明,超低碳钢保护渣主要成分为35.88%CaO、36.96%SiO_2、6.01%F^-、4.32%Na_2O、3.70%MgO。超低碳钢保护渣熔化温度为1 169℃,结晶温度为1 019℃,粘度为0.33 Pa·s,在拉速为1.5 m/min时试验保护渣的消耗量为0.34 kg/t。The ultra-low carbon steel protective slag used in the pouring process of steel was analyzed by using the methods of melting point-melting velocity analysis,viscosity measurement by rotation method and crystallization properties of monofilament process.The results show that the contents of main components of CaO,SiO2,F^-,Na2O and MgO,of ultra low carbon steel slag are 35.88%,36.96% 6.01%,4.32% and 3.70%,respectively.The melting temperature of the ultra-low carbon steel is 1 169 ℃,the crystallization temperature is 1 019 ℃,the viscosity is 0.33 Pa·s.The consumption of the test protective slag is 0.34 kg/t when the drawing speed is 1.5 m/min.

关 键 词：超低碳钢 保护渣 性能检验 

分 类 号：TF777.1[冶金工程—钢铁冶金]