| 下排气旋风分离器流场分析与结构优化 |
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| 引用本文： | 郝晓文,王磊,赵强.下排气旋风分离器流场分析与结构优化[J].电站系统工程,2011,27(3):15-16,19. |
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| 作者姓名： | 郝晓文 王磊 赵强 |
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| 作者单位： | 哈尔滨工业大学(威海);泰安市泰山城区热力有限公司;山东省特种设备检验研究院济宁分院; |
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| 摘 要： | 下排气旋风分离器具有压力损失低,易于布置和支撑的特点,在循环流化床锅炉和循环流化床烟气脱硫技术中得到应用.以模拟为手段,研究了下排气旋风分离器的流动特性.结果表明,分离器顶部气流存在上旋涡,部分气流流入排气管,剩余气流在灰斗内形成大尺度涡流:分离器内形成了Rankine复合涡.研究了进口形状、导流体和排气管对分离效率和...
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| 关 键 词： | 下排气旋风分离器 流场 进口形状 导流体 排气管 |
Analysis of Flow Field and Improved Design of Cyclone Separator with Downward Exhaust Gas |
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| HAO Xiao-wen,WANG Lei,ZHAO Qiang.Analysis of Flow Field and Improved Design of Cyclone Separator with Downward Exhaust Gas[J].Power System Engineering,2011,27(3):15-16,19. |
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| Authors: | HAO Xiao-wen WANG Lei ZHAO Qiang |
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| Affiliation: | HAO Xiao-wen,WANG Lei,ZHAO Qiang |
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| Abstract: | Cyclone separator with downward exhaust gas has character of lower resistance,easy to disposal and support.It is used in circulation fluidized bed boiler and circulation fluidized bed flue gas desulfurization.Numerical simulation was used to study flow field of cyclone separator.The results show that the gas flow of the cyclone separator has an apex vortex ring flow,a flow characterized by a direct entry into an exhaust pipe,and a vortex in the ash bucket.Rankine composite vortex can be seen in the cyclone ... |
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| Keywords: | cyclone separator with downward exhaust gas flow field entrance shape rotor exhaust pipe |
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