| 循环流化床锅炉旋风分离器入口烟道内气固流动特性的试验研究 |
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| 引用本文： | 唐家毅,卢啸风,赖静,刘汉周. 循环流化床锅炉旋风分离器入口烟道内气固流动特性的试验研究[J]. 动力工程, 2009, 29(4) |
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| 作者姓名： | 唐家毅 卢啸风 赖静 刘汉周 |
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| 作者单位： | 唐家毅,卢啸风,刘汉周,TANG Jia-yi,LU Xiao-feng,LIU Han-zhou(重庆大学,动力工程学院,重庆,400044);赖静,LAI Jing(东方锅炉工业集团有限公司,自贡,643001) |
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| 摘 要： | 在循环流化床(CFB)锅炉冷模试验台上,对高温旋风分离器入口烟道内的气固流动特性进行了试验研究.应用高速摄影机拍摄了示踪粒子在2种结构入口烟道中的运动轨迹并对其进行了分析,得到了不同结构的分离器入口烟道对固体颗粒的加速性能.结果表明:长烟道内颗粒的加速性能比短烟道内颗粒的加速性能好,但长烟道内压降比短烟道内的大.同时,对长、短烟道分别与分离器相连时分离器的分离效率和压降进行了对比,结果表明:在相同工况下,配长烟道分离器的分离效率高于配短烟道分离器的分离效率,但前者的分离器压降大于后者.
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| 关 键 词： | 循环流化床锅炉 旋风分离器 入口烟道 气固流动特性 分离器性能 |
Experimental Study on Gas-Solid Flow Characteristics in Inlet Flue Duct of Cyclone Separator of CFB Boilers |
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| TANG Jia-yi,LU Xiao-feng,LAI Jing,LIU Han-zhou. Experimental Study on Gas-Solid Flow Characteristics in Inlet Flue Duct of Cyclone Separator of CFB Boilers[J]. Power Engineering, 2009, 29(4) |
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| Authors: | TANG Jia-yi LU Xiao-feng LAI Jing LIU Han-zhou |
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| Affiliation: | 1.College of Power Engineering;Chongqing University;Chongqing 400044;China;2.Dongfang Boiler Industry Group Co.;Ltd.;Zigong 643001;China |
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| Abstract: | The experimental study was carried out on a cold test rig of circulating fluidized bed(CFB) boiler for the gas-solid flow characteristics in the inlet flue duct of the high temperature cyclone separator.The motion trajectories of the tracing particles in the inlet flue ducts of two different structures were shot by a high-speed camera.Through analysis on the trajectories of the tracing particles,the accelerating performances of the solid particles by the inlet flue duct of the separators of different struct... |
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| Keywords: | CFB boiler cyclone separator inlet flue duct gas-solid flow characteristics separator performance |
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