铁水KR法机械搅拌脱硫过程铁水流动的水模型研究  

Investigation on the fluid flow of the hot metal during KR desulfurization process using water modeling

作　　者：董佳鹏 张立峰[1,2] 赵艳宇 赵根安[1] DONG Jiapeng;ZHANG Lifeng;ZHAO Yanyu;ZHAO Gen’an(School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China;State Key Lab of Metastable Materials Science and Technology,Yanshan University,Qinhuangdao 066004,China;Steelmaking Operation Department,Beijing Shougang Co.,Ltd.,Qian'an 064404,China)

机构地区：[1]北京科技大学冶金与生态工程学院,北京100083 [2]燕山大学亚稳材料制备技术与科学国家重点实验室,河北秦皇岛066044 [3]北京首钢股份有限公司炼钢作业部,河北迁安064404

出　　处：《炼钢》2020年第6期1-7,共7页Steelmaking

基　　金：国家自然科学基金资助项目(U1860206、51725402)。

摘　　要：利用水模型研究了KR法铁水脱硫过程铁水的流动现象,利用粒子图像测速(PIV)技术研究了搅拌桨转速和浸入深度对铁水包内平均速度场和湍动能的影响。铁水包内的流场是典型上下双环流。随着搅拌桨转速从110 r/min增加到210 r/min,铁水包内速度和湍动能空间分布特征没有发生明显的变化,但是最大速度从0.15 m/s增加到0.3 m/s,湍动能从0.01 m^2/s^2增加到0.035 m^2/s^2。随着搅拌桨浸入深度的改变,速度和湍动能的空间分布发生了明显的变化,但是速度和湍动能的大小没有发生明显变化。The fluid flow phenomena of the hot metal during KR mechanical stirring desulfurization process was investigated using water model.The effect of the rotation speed and the immersion depth of the impeller on the velocity and turbulent kinetic energy in the ladle was discussed using a particle image velocimetry(PIV).The flow pattern in the KR ladle was a typical double-roll flow.When the rotation speed of the impeller increased from 110 r/min to 210 r/min,the spatial distribution of the velocity and turbulent kinetic energy changed little while the maximum velocity increased from 0.15 m/s to 0.3 m/s,and the turbulent kinetic energy increased from 0.01 m^2/s^2 to 0.035 m^2/s^2.When the immersion depth of the impeller varied,the spatial distribution of the velocity and turbulent kinetic energy changed significantly while the magnititude varied little.

关 键 词：KR法脱硫 水模型 粒子图像测速技术 流场 湍动能 

分 类 号：TF704.3[冶金工程—钢铁冶金]