| 低碳低硅SPHC钢精炼渣优化研究 |
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| 引用本文： | 廖航,朱利斌,杨树峰,李京社.低碳低硅SPHC钢精炼渣优化研究[J].北京科技大学学报,2016(Z1):175-180. |
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| 作者姓名： | 廖航 朱利斌 杨树峰 李京社 |
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| 作者单位： | 北京科技大学钢铁冶金新技术国家新技术重点实验室，北京100083; 北京科技大学冶金与生态工程学院，北京100083 |
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| 摘 要： | 为改善SPHC钢LF精炼效果,本研究首先利用FactSage热力学计算软件,分析了SPHC钢LF精炼渣系的理化特性,提出相应的精炼渣优化方案,并进行了工业实验验证.研究结果显示,通过对LF精炼渣系的优化,出站时钢中全氧T O]由优化前的24×10-6下降至优化后的20×10-6,显微夹杂物总数去除率由优化前的56.57%增加至优化后的71.54%,大型夹杂物数量也由原来的85.42 mg/10 kg下降至42.45 mg/10 kg.
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| 关 键 词： | SPHC钢 精炼渣 优化 非金属夹杂物 |
Optimization of the refining slag composition of SPHC steel with low silicon low carbon |
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| LIAO Hang,ZHU Li-bin,YANG Shu-feng,LI Jing-she.Optimization of the refining slag composition of SPHC steel with low silicon low carbon[J].Journal of University of Science and Technology Beijing,2016(Z1):175-180. |
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| Authors: | LIAO Hang ZHU Li-bin YANG Shu-feng LI Jing-she |
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| Abstract: | To improve the effect of LF refining on SPHC steel, thermodynamics software FactSage was used to analyze the physi-cochemical properties of the LF refining slag system, and then the corresponding optimization scheme was verified by industrial verifi-cation. Experimental results show that at the end of LF refining, the total oxygen T O] in steel decreases from 24í 10 -6 to 20í10 -6 , the total removal rate of micro inclusions increases from 56. 67% to 71. 54%, and the amount of large inclusions decreases to 42. 45 mg/10 kg from 85. 42 mg/10 kg by the optimization of the LF refining slag system. |
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| Keywords: | SPHC steel refining slag optimization non-metallic inclusions |
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