| 湿法烟气脱硫系统中折板式除雾器性能的数值模拟 |
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| 引用本文： | 陈凯华,宋存义,李强,刘枫.湿法烟气脱硫系统中折板式除雾器性能的数值模拟[J].环境工程学报,2007,1(7):91-96. |
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| 作者姓名： | 陈凯华 宋存义 李强 刘枫 |
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| 作者单位： | 北京科技大学土木与环境工程学院,北京,100083 |
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| 摘 要： | 采用CFD软件对湿法烟气脱硫系统中广泛使用的折板式除雾器的主要性能进行了数值模拟。建立了数学模型，对气体相采用基于雷诺时均方程的SST ｋ-ω湍流模型封闭N-S方程，对液滴相采用基于Euler-Lagrange的DPM方法。通过调节除雾器的结构参数和工作参数，揭示了气液两相流动的流场，分析了结构参数对除雾器分离效率和工作压力降的影响，可用于湿法烟气脱硫系统中折板式除雾器的设计和优化。
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| 关 键 词： | Wet-FGD 折板式除雾器 CFD 分离效率 压力降 |
| 文章编号： | 1673-9108（2007）07-0091-06 |
| 收稿时间： | 3/6/2007 12:00:00 AM |
| 修稿时间： | 2007-03-06 |
Numerical simulation of performance of chevron mist eliminator in wet-FGD |
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| Chen Kaihu,Song Cunyi,Li Qiang and Liu Feng.Numerical simulation of performance of chevron mist eliminator in wet-FGD[J].Techniques and Equipment for Environmental Pollution Control,2007,1(7):91-96. |
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| Authors: | Chen Kaihu Song Cunyi Li Qiang and Liu Feng |
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| Institution: | College of Civil & Environmental Engineering,University of Science and Technology Beijing,Beijing 100083,College of Civil & Environmental Engineering,University of Science and Technology Beijing,Beijing 100084,College of Civil & Environmental Engineering,University of Science and Technology Beijing,Beijing 100085 and College of Civil & Environmental Engineering,University of Science and Technology Beijing,Beijing 100086 |
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| Abstract: | A CFD software was used to simulate the characteristics of flow fields and performance of chevron mist eliminator in wet-FGD. A mathematical model was established for simulating the separation efficiency and pressure drop of the mist eliminator. The N-S equations are closed with SST equations and DPM, which is based on Euler-Lagrange method. By calculating the separation efficiency and pressure drop of various mist eliminators with different structural parameters and working parameters, their effects on efficiency and press drop have been analyzed. The results can be used for designing and optimizing mist eliminator in wet-FGD. |
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| Keywords: | wet-FGD chevron mist eliminator CFD separation efficiency pressure drop |
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