生物质炭煤粉高炉混合喷吹性能分析  

Performance Analysis of Biochar Pulverized Coal Mixed Injection in Blast Furnace

作　　者：刘政鹏 张琦 尚衍超 尉良营 Liu Zhengpeng;Zhang Qi;Shang Yanchao;Wei Liangying(Research Institute,Qingdao Special Steel Co.,Ltd.,Qingdao Shandong 266400,China;Steelmaking Plant,Qingdao Special Steel Co.,Ltd.,Qingdao Shandong 266400,China;Qilu University of Technology,Jinan Shandong 250000,China;Ironmaking Plant of Qingdao Special Steel Co.,Ltd.,Qingdao Shandong 266400,China)

机构地区：[1]青岛特殊钢铁有限公司研究院,山东青岛266400 [2]青岛特殊钢铁有限公司炼钢厂,山东青岛266400 [3]齐鲁工业大学继续教育学院,山东济南250000 [4]青岛特殊钢铁有限公司炼铁厂,山东青岛266400

出　　处：《山西冶金》2024年第1期73-76,79,共5页Shanxi Metallurgy

摘　　要：探究生物质炭煤粉高炉混合喷吹技术的可行性和优势,重点对该混合喷吹性能进行分析,并提出针对性的改进方案。基于实验测试和数值模拟,分析了生物质炭煤粉混合喷吹的燃烧特性、热力学性能及其对高炉煤气温度、煤耗和污染物排放的影响。实验结果表明,生物质碳作为煤粉的替代燃料,在高炉混合喷吹中能够稳定燃烧,为增加高炉炉料提供了新的思路;数值模拟结果显示,生物质炭煤粉的混合喷吹可以显著提高高炉的燃烧效率,降低煤耗和二氧化碳排放量。此外,对生物质炭煤粉混合喷吹技术的经济性和环境效益进行了初步评估,结果表明,该技术在高炉冶金行业具有广泛的应用前景。This study aims to explore the feasibility and advantages of biomass charcoal-coal powder dual injection technology and propose possible improvements through the analysis of its performance in blast furnace.Through experimental testing and numerical simulation,this study analyzes the combustion characteristics and thermodynamic performance of biomass charcoal-coal powder dual injection,as well as its impact on blast furnace gas temperature,coal consumption,and pollutant emissions.The experimental results show that biomass charcoal,as a substitute fuel for coal powder,can burn stably in dual injection of blast furnace,providing a new idea for increasing blast furnace feed.The numerical simulation results indicate that the dual injection of biomass charcoal-coal powder can significantly improve the combustion efficiency of the blast furnace,reduce coal consumption and carbon dioxide emissions.In addition,this study preliminarily evaluates the economic and environmental benefits of biomass charcoal-coal powder dual injection technology,and the results indicate that this technology has broad application prospects in the blast furnace metallurgical industry.

关 键 词：生物质炭 煤粉 高炉 混合喷吹 燃烧效率 

分 类 号：TF538.63[冶金工程—钢铁冶金]