工程科学学报，第38卷，增刊1：213-218,2016年6月 Chinese Journal of Engineering,Vol.38,Suppl.1:213-218,June 2016 DOI:10.13374/j.issn2095-9389.2016.s1.035:http://journals.ustb.edu.cn 邯钢250t转炉吹炼参数对传质能力影响的实验研究 邓建军12)，林路)☒ 1)中国钢研集团，北京1000812)邯钢集团公司，邯郸056000 3)北京科技大学国家板带生产先进装备工程技术中心，北京100083 ☒通信作者，E-mail:linlu_luke@sina.com 摘要渣钢间传质速度决定了熔池元素的反应速度（尤其是脱碳和脱磷反应速度），并直接影响元素在渣钢间分配.本文 以邯钢250：转炉为研究对象，利用相似比1：9建立水模型，考虑供气流量、枪位和底吹位置因素研究转炉内传质能力.结果 表明：加大顶吹供气强度和底吹供气强度能够大大提高熔池元素在渣钢间的分配：渣钢间传质系数随底吹气体流量降低而明 显降低，建议底吹气体流量不低于0.O6m3t·mn1:底吹孔数越多，渣钢间传质系数越大：底吹流量分配方案优于流量平均 分配方案，建议采用 关键词炼钢：转炉：传质系数：水模型：影响因素 分类号TF713.1 Experimental study on the effect of operating parameters on the mass transfer ability of Hangang 250t converter DENG Jian-jun'2),LIN L 1)China Iron Steel Research Institute Group,Beijing 100081,China 2)Handan Iron Steel Group Co.,Ltd.,Handan 056000,China 3)National Engineering Research Center of Flat Rolling Equipment,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:linlu_luke@sina.com ABSTRACT The mass transfer rate between steel and slag determines the reaction rates of elements in a molten bath (especially the reaction rates of desulphurization and dephosphorization),and has direct impact on the distribution ratios of elements between steel and slag.In this article,Hangang 250t converter was taken as the research object.Factors such as gas flow,lance position and bottom blowing location were taken into consideration to study the mass transfer ability of the convertor by a water model whose similarity ratio was 1:9.The results show that increasing the top-blowing intensity and the bottom-blowing intensity can greatly improve the distribu- tion ratios of elements in the molten bath between steel and slag.The mass transfer coefficient between steel and slag decreases obvi- ously with the drop of bottom-blowing air flow,thus a bottom-blowing air flow not lower than 0.06mtmin is suggested.The more the bottom-blowing holes are,the larger the mass transfer coefficient between steel and slag gets.A distribution plan of bottom- blowing air flow is presented,which is superior to the equal distribution plan of air flow. KEY WORDS steelmaking:converters:mass transfer coefficient:water models;influencing factors 转炉治炼过程中，渣一钢反应的主要限制性环节元素在渣钢间分配网.良好的熔池搅拌，有利于渣钢 为传质过程，渣钢间的传质速度决定了熔池元素的反 间传质过程，促进炉内反应达到平衡 应速度（尤其是脱碳、脱磷反应速度），并直接影响着 邯钢邯宝炼钢厂250t转炉在转炉吹炼中易造成 收稿日期：201601-11工程科学学报，第 38 卷，增刊 1: 213--218，2016 年 6 月 Chinese Journal of Engineering，Vol． 38，Suppl． 1: 213--218，June 2016 DOI: 10． 13374 /j． issn2095--9389． 2016． s1． 035; http: / /journals． ustb． edu． cn 邯钢 250 t 转炉吹炼参数对传质能力影响的实验研究 邓建军1，2) ，林 路3)  1) 中国钢研集团，北京 100081 2) 邯钢集团公司，邯郸 056000 3) 北京科技大学国家板带生产先进装备工程技术中心，北京 100083  通信作者，E-mail: linlu_luke@ sina． com 摘 要 渣钢间传质速度决定了熔池元素的反应速度( 尤其是脱碳和脱磷反应速度) ，并直接影响元素在渣钢间分配． 本文 以邯钢 250 t 转炉为研究对象，利用相似比 1∶ 9建立水模型，考虑供气流量、枪位和底吹位置因素研究转炉内传质能力． 结果 表明: 加大顶吹供气强度和底吹供气强度能够大大提高熔池元素在渣钢间的分配; 渣钢间传质系数随底吹气体流量降低而明 显降低，建议底吹气体流量不低于 0. 06 m3 ·t － 1·min － 1 ; 底吹孔数越多，渣钢间传质系数越大; 底吹流量分配方案优于流量平均 分配方案，建议采用． 关键词 炼钢; 转炉; 传质系数; 水模型; 影响因素 分类号 TF713. 1 Experimental study on the effect of operating parameters on the mass transfer ability of Hangang 250 t converter DENG Jian-jun1，2) ，LIN Lu3)  1) China Iron ＆ Steel Ｒesearch Institute Group，Beijing 100081，China 2) Handan Iron ＆ Steel Group Co． ，Ltd． ，Handan 056000，China 3) National Engineering Ｒesearch Center of Flat Ｒolling Equipment，University of Science and Technology Beijing，Beijing 100083，China  Corresponding author，E-mail: linlu_luke@ sina． com ABSTＲACT The mass transfer rate between steel and slag determines the reaction rates of elements in a molten bath ( especially the reaction rates of desulphurization and dephosphorization) ，and has direct impact on the distribution ratios of elements between steel and slag． In this article，Hangang 250 t converter was taken as the research object． Factors such as gas flow，lance position and bottom blowing location were taken into consideration to study the mass transfer ability of the convertor by a water model whose similarity ratio was 1∶ 9． The results show that increasing the top-blowing intensity and the bottom-blowing intensity can greatly improve the distribu￾tion ratios of elements in the molten bath between steel and slag． The mass transfer coefficient between steel and slag decreases obvi￾ously with the drop of bottom-blowing air flow，thus a bottom-blowing air flow not lower than 0. 06 m3 ·t － 1·min － 1 is suggested． The more the bottom-blowing holes are，the larger the mass transfer coefficient between steel and slag gets． A distribution plan of bottom￾blowing air flow is presented，which is superior to the equal distribution plan of air flow． KEY WOＲDS steelmaking; converters; mass transfer coefficient; water models; influencing factors 收稿日期: 2016--01--11 转炉冶炼过程中，渣--钢反应的主要限制性环节 为传质过程，渣钢间的传质速度决定了熔池元素的反 应速度( 尤其是脱碳、脱磷反应速度) ，并直接影响着 元素在渣钢间分配［1--3］． 良好的熔池搅拌，有利于渣钢 间传质过程，促进炉内反应达到平衡． 邯钢邯宝炼钢厂 250 t 转炉在转炉吹炼中易造成