摘要
随着全球经济的发展,对钢铁的需求持续增长,传统的炼钢方法在资源利用、能源消耗和环境影响等方面面临诸多挑战,这促使人们寻求更高效、更环保的炼钢方式,电弧炉炼钢因其具有的一些特点而受到关注。首先阐述了电弧炉冶炼技术研究现状,指出工厂试验成本高且受限的问题。其次综述了电弧炉高效冶炼进展,涵盖供能强化(如IGBT柔性直流供电等技术)、供氧强化(包括多种供氧技术及其应用)和底吹搅拌强化(如底吹CO_(2)等技术),并提出数值模拟是提升高效冶炼技术的可行方式。最终详细介绍了CFD模拟的方法与模型,涵盖Navier Stokes方程的四种模拟方法、多相模型等。再次阐述了CFD模拟的组件及相关研究,包括炉壳和炉顶、耐火衬里和冷却面板、熔体和炉渣运动、电弧和石墨电极等,分析了模拟结果。最后提及电弧炉整体CFD模拟情况及存在的限制。
With the development of the global economy,the demand for steel continues to grow.Traditional steelmaking methods face many challenges in resource utilization,energy consumption,and environmental impact,which prompts people to seek more efficient and environmentally friendly steelmaking methods.Electric arc furnace steelmaking has attracted attention due to its characteristics.This article first elaborates on the current research status of electric arc furnace smelting technology,pointing out the problems of high and limited factory testing costs.Secondly,the progress of efficient smelting in electric arc furnaces was summarized,covering energy supply enhancement(such as IGBT flexible DC power supply technology),oxygen supply enhancement(including various oxygen supply technologies and their applications),and bottom blowing stirring enhancement(such as bottom blowing CO,technology),and numerical simulation was proposed as a feasible way to improve efficient smelting technology.The final detailed introduction covers the methods and models of CFD simulation,including four simulation methods for Navier Stokes equations,multiphase models,etc.The components and related research of CFD simulation were elaborated again,including furnace shelland roof,refractory lining and cooling panel,melt and slag motion,arc and graphite electrode,etc.The simulation results were analyzed.Finally,the overall CFD simulation of the electric arc furnace and the existing limitations are mentioned.
作者
郑权
赵奇强
盛国良
郝团伟
黄震环
李新
张鹤雄
杨帆
ZHENG Quan;ZHAO Qiqiang;SHENG Guoliang;HAO Tuanwei;HUANG Zhenhuan;LI Xin;ZHANG Hexiong;YANG Fan(Steel Design and Research Institute of MCC Huatian Nanjing Engineering Technology Co.Ltd.,Nanjing 210000,China;Ma'anshan Iron and Steel Co.Ltd.,Ma'anshan 243002,China;Technical Center of Hunan Hualing Lianyuan Iron and Steel Co.Ltd.,Loudi 417009,China;Technical Center of Xinyu Iron and Steel Co.Ltd.,Xinyu 338000,China)
出处
《工业加热》
2025年第11期1-11,16,共12页
Industrial Heating
基金
河北省自然科学基金重点项目(E2022208019)。
关键词
短流程炼钢
电弧炉
CFD模拟
short process steelmaking
arc furnace
CFD simulation
