带内锥的方形扩散式分离器壁面磨损的数值分析  

Numeral Simulation Research on the Wall Erosion of Square Diffusion Cyclone Separator

作　　者：李勋[1] 刁永发[1] 李浩[1] 邱燃[1] 

机构地区：[1]东华大学环境科学与工程学院,上海201620

出　　处：《环境科学与管理》2008年第12期117-120,共4页Environmental Science and Management

摘　　要：运用数值模拟方法对带内锥的方形扩散式旋风分离器壁面关键部位的磨损情况进行了数值模拟。气固相研究分别采用雷诺应力模型和随机轨道模型。计算结果显示,分离器内磨损比较严重的部位主要有:分离器顶盖、圆筒段、方形扩散段下部、反射锥外壁面、反射锥内壁面下部、灰斗及灰斗上部方形段。最严重的是反射锥外壁面、灰斗及灰斗上部方形段等几个部位。In this paper, numerical simulation was used to research the two - phase flow in the square separator. And the wall erosion condition because of solid particle impingement was calculated and analyzed with the RSM modeling which considers anisotropic situation. The results showed that upside surface of the reflecting cone and the wall of gathering - dust cone are the parts eroded worse than the other places.

关 键 词：方形扩散式分离器 数值模拟 磨损 

分 类 号：X701.3[环境科学与工程—环境工程]