INVESTIGATION THE HYDRODYNAMICS BEHAVIOR IN A CFB BOILER WITH COMPLEX COMBUSTION CHAMBER BY CFD

摘要：

　　The gas-solid flow in a circulating fluidized bed with an annular combustion chamber is investigated based on the two-fluid CFD model (TFM).The recirculating flow rate of solids is controlled using user defined functions (UDF).Key parameters including pressure, solid volume fraction and velocity are given in the paper.Four different exit structures are considered to investigate the effect of the exit angle and size on the flows distribution, by comparison of gas and solids flux in the exits of the chamber.

关键词： circulating fluidized bed annular combustion chamber CFD simulation

作者: Guizhi Qiu Haigang Wang

作者单位: Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China;University o Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China

会议类型: 国际会议

会议名称: The 11th International Conference on Fluidized Bed Technology(CFB-11)(第十一届流化床技术国际会议)

会议地点: 北京

会议语种:英文

页码: 311-316

在线出版日期: 2014-05-14（万方平台首次上网日期，不代表论文的发表时间）