窑用四通道煤粉燃烧器空气动力场特性的冷态数值模拟  

The cold-state numerical simulation about the aerodynamic field of four-channel coal burner for cement rotary kiln

作　　者：赵志红[1] 袁隆基[1] 李聪[1] 钟骏薇[1] 

机构地区：[1]中国矿业大学电力工程学院,江苏徐州221116

出　　处：《轻金属》2010年第12期17-20,24,共5页Light Metals

摘　　要：为了研究四通道煤粉燃烧器在水泥回转窑中的空气动力场特性,更好地挖掘其应用潜能,针对NC型四通道煤粉燃烧器建立了燃烧器-回转窑物理模型,利用fluent及其后处理软件对窑内空气动力场特性进行冷态数值模拟。通过调节各风道的风速及旋流叶片角度,得出不同运行参数对空气动力场的影响规律,该数值分析结果可以为同类燃烧器的合理设计与优化运行提供依据。In order to reaserch the aerodynamic field characteristics and the application potential of four-channel coal burner in cement rotary kiln,the physical model is established according to NC type four-channel coal burner.At the same time,the cold-state numerical simulation is performed by utilizing fluent and post-processing software.Through adjusting airspeed and swirl blade angle of the ducts,the influence rules of aerodynamic field are obtained under the different operation parameters.The analysis results are helpful to the reasonable design and optimize operation of burners.

关 键 词：回转窑 四通道燃烧器 空气动力场 数值模拟 

分 类 号：TK223.23[动力工程及工程热物理—动力机械及工程]