在BOF钢铁制造过程中,基于渣的固态相比和数据拟合的膨胀滴的脱碳模型
Zi-Cheng Xin1,2, Wen-Hui Lin3, Jiang-Shan Zhang1
1State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, China.
Scientific reports
|May 10, 2025
概括
一个新的模型准确地预测了基本氧炉过程中钢铁制造液滴中的碳含量变化. 它解释了渣的特性,改善了脱碳计算,从而提高了钢材质量.
科学领域:
- 金工程 金工程 金工程
- 化学工程是化学工程的重要组成部分.
- 材料科学 材料科学 材料科学
背景情况:
- 基本氧炉 (BOF) 钢铁制造涉及高速喷气冲击,产生喷的金属滴.
- 这些液滴的膨胀脱碳是影响钢质的关键钢渣反应.
研究的目的:
- 开发和验证了一种改进的脱碳模型,用于BOF钢铁制造中的扩张金属滴.
- 为了研究渣固态相比对滴滴脱碳的影响.
主要方法:
- 建立了扩张滴的理论脱碳模型.
- 分析了渣渣固态相比对不同FeO含量的反应性的影响.
- 开发了一个改进的综合模型,使用数据拟合,并与实验数据验证.
主要成果:
- 改进的模型准确预测碳含量变化,皮尔森相关系数> 0.94.4.
- 在不同FeO度 (3-30%) 中实现了低的平均绝对误差 (MAE) 和根平均平方误差 (RMSE).
- 证明了该模型能够处理复杂的多相废渣条件的能力.
结论:
- 开发的模型准确地计算了不同渣条件下的金属滴中的碳含量变化.
- 渣渣的固态相比显著影响渣渣的反应性和脱碳效率.
- 该模型增强了对BOF钢铁制造中脱碳的理解和预测.
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