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本文旨在通过冶金热力学、动力学计算分析,试图探讨碳化硅粉的脱氧机理,采用了钢渣界面脱氧这一新概念。而后以生产数据证明:碳化硅粉脱氧机理是:部分是扩散脱氧、部分钢渣界面脱氧;碳化硅粉脱氧优于硅铁粉和炭粉混合使用;采用碳化硅粉脱氧可提高生产率2.17％,降低冶炼电耗9度/t钢,降低成本6.45元/t钢,完全能够保证钢的质量,因此碳化硅粉代替硅铁粉+炭粉脱氧很有推广价值。
The purpose of this paper is to discuss the deoxidation mechanism of silicon carbide powder through metallurgical thermodynamics and kinetic calculation and analysis, and adopt the new concept of deoxidation at steel slag interface. And then the production data show that: Silicon carbide powder deoxidation mechanism is: part of the proliferation of deoxidation, part of the slag interface deoxidation; silicon carbide powder deoxidation is better than ferrosilicon powder and carbon powder mixed use; silicon carbide powder deoxidation can increase productivity 2.17% Smelting power consumption 9 degrees / t steel, reduce the cost of 6.45 yuan / t steel, fully able to ensure the quality of steel, silicon carbide powder instead of ferrosilicon powder + deoxidation is very promotional value.