摘要：采用三维建模软件Pro/E建立三叶型回转窑内部流场三维模型, 运用计算流体动力学 (CFD) 流体仿真分析软件Fluent, 设置边界条件, 选用非预混燃烧模型、离散相模型求解窑内温度分布情况;通过对一次风速、一次风温、叶片倾斜角、二次风速、油喷射角度各影响参数进行分析对比。结果表明:当处于50~60 m/s的一次风速, 200℃的一次风温, 150 m/s的二次风速, 旋流叶片角度为30°左右, 喷油角度15°时窑内能得到理想的温度分布, 研究结果为三叶型回转窑设计制造和工程应用提供参考依据。

关键词：三叶型回转窑；陶粒；燃烧；数值模拟

Abstract：Pro/E was used to build the model of fluid area of the three leaves rotary kiln, and CFD (computational fluid dynamics) fluid simulation software Fluent was used, the boundary conditions were set, and the non-premixed combustion model and discrete phase model were chosen to simulate the temperature distribution, the kiln temperature distribution curve was drawn. Through the analysis of the influence parameters such as primary wind speed, air temperature, swirl vane angle, secondary wind speed, oil injection half angle, the results showed that the primary wind speed in the 50-60 m/s and the temperature in 200 ℃ is more appropriate; and suitable swirl vane angle is about 30°, the secondary wind speed in the 150 m/s is more appropriate. When the fuel injection angle is 15°, it has better effect. The results of the analysis provide the reliable basis for the 3 leaves rotary kiln design processing and engineering applications.

Keywords：three leaves rotary kiln；ceramsite；combustion；numerical simulation