(1. 中南大学 能源科学与工程学院，长沙 410083；2. 中南大学 流程工业节能湖南省重点实验室，长沙 410083；
3. 苏州新长光热能科技有限公司，苏州 215008)
摘 要: 针对现有的圆形铝熔炼炉，结合铝熔炼炉熔炼过程的特点，在铝熔炼炉热平衡测试的基础上，建立了合理的铝熔炼炉数学模型，并运用计算流体力学软件FLUENT实现燃烧空间和熔池的耦合物理场的数值模拟。同时分析了不同旋流数对铝熔炼炉熔炼过程的影响，依据提出的优化准则，确实旋流数大于0.6时能够获得最佳的熔炼性能。
关键字: 铝熔炼炉；旋流数；熔炼过程；数值模拟
（1. School of Energy Science and Engineering, Central South University, Changsha 410083, China;
2. Hunan Key Laboratory of Energy Conservation in Process Industry, Central South University, Changsha 410083, China;
3. Suzhou Longray Thermal Technology Co. Ltd., Suzhou 215008, China）
Abstract:Based on validating results by heat balance test for aluminum melting furnace, a reasonable mathematical model which considering the feature of the aluminum melting process was established. The numerical simulation of coupling field between combustion space and aluminum bath in a round aluminum melting furnace was carried out using CFD software FLUENT. The influence of the swirl number on melting process of the aluminum melting furnace was analyzed. According to optimizing criterion which is put forward in this work, the optimal melting performance is obtained when the swirl number is larger than 0.6.
Key words: aluminum melting furnace; swirl number; melting process; numerical simulation
