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Mathematical Model of RH Blow Argon Mode Affecting:Decarburization Rate in Ultra-Low Carbon Steel Refining

LI Chong-wei , CHENG Guo-guang , WANG Xin-hua , ZHU Guo-sen , CUI Ai-min

钢铁研究学报(英文版)

A mathematical model in present study has been established to investigate the effect of Rheinstahl Heraeus (RH) blow argon mode on the decarburization rate in ultra-low carbon steel refining based on the RH equipment of Shougang Qian′an Iron and Steel Co Ltd (SQISCO). The calculated results show tha...

关键词: RH , vacuum , mathematical model , argon flowrate , decarburization

RH吹氧操作对超低碳钢脱碳速率的影响

李崇巍,成国光,王新华,朱国森,崔爱民

钢铁

以迁钢RH精炼炉为背景,建立了RH强制脱碳数学模型,确定了脱碳的4个反应地点:真空室内钢液自由表面,氩气表面,真空室钢液内部与飞溅液滴表面,并进行了RH强制脱碳机制研究。模型计算结果表明,在真空处理前期,钢液内部脱碳速率在4个脱碳地点中占据主导地位,而在后期以液滴脱碳为主;在迁钢现有的压降模式下,确...

关键词: RH精炼 , vacuum , mathematical model , mandatory decarburization

RH真空压降模式对超低碳钢脱碳速率的影响

李崇巍,成国光,王新华,朱国森,崔爱民

钢铁

以迁钢RH炉为背景,通过RH真空处理脱碳数学模型研究了不同真空压降模式对整体碳含量的影响。模型计算结果表明,真空度提高越快,脱碳反应的脱碳速率越大,所得到的终点碳含量也越低,真空度达到5kPa的时间提前3min,终点碳的质量分数可降低20×10-6左右;真空压降平台出现前后,整体脱碳速率分别出现峰值...

关键词: RH精炼 , vacuum , mathematical model , decarburization