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电除尘器进气烟箱参数对气流分布影响的仿真研究

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邵毅敏, 周俭基, 熊绍武, 雷钦平, 王杰. 电除尘器进气烟箱参数对气流分布影响的仿真研究[J]. 环境工程学报, 2012, 6(2): 577-583.
引用本文: 邵毅敏, 周俭基, 熊绍武, 雷钦平, 王杰. 电除尘器进气烟箱参数对气流分布影响的仿真研究[J]. 环境工程学报, 2012, 6(2): 577-583.
shu
Shao Yimin, Zhou Jianji, Xiong Shaowu, Lei Qinping, Wang Jie. A simulation study on the effect of inlet eave structural parameters on airflow distribution in electrostatic precipitation[J]. Chinese Journal of Environmental Engineering, 2012, 6(2): 577-583.
Citation: Shao Yimin, Zhou Jianji, Xiong Shaowu, Lei Qinping, Wang Jie. A simulation study on the effect of inlet eave structural parameters on airflow distribution in electrostatic precipitation[J]. Chinese Journal of Environmental Engineering, 2012, 6(2): 577-583.
shu

电除尘器进气烟箱参数对气流分布影响的仿真研究

  • 1.

    重庆大学机械传动国家重点实验室，重庆 400044

  • 2.

    重庆钢铁集团三峰科技有限公司，重庆 400080

  • 基金项目:

    重庆市科技攻关计划项目(CSTC2008AC3030)

  • 中图分类号: X701.2

A simulation study on the effect of inlet eave structural parameters on airflow distribution in electrostatic precipitation

  • 1.

    State Key Laboratory of Mechanical Transmission， Chongqing University， Chongqing 400044， China

  • 2.

    Chongqing Iron and Steel Group Sanfeng Technology Co.，Ltd.，Chongqing 400080， China

  • Fund Project:

  • 摘要: 电除尘器进气烟箱结构参数不仅对除尘器内部气流分布的均匀性产生重要影响，而且还会影响除尘效率和排放指标。针对电除尘器进气烟箱结构参数选取与气流分布均匀性问题，采用欧拉拉格朗日多相流模型，对进气烟箱扩散角，气流分布板孔形、开孔率和导流板角度等参数，进行了三维流场模拟仿真计算，获得各参数对气流均匀性的影响关系规律。仿真结果表明：方形孔的气流分布板能获得较佳的气流分布均匀性；合理调节进气烟箱扩散角、开孔率和导流板角度可有效地改善电场内气流分布状况。研究结果可为电除尘器进气烟箱的设计与改进提供依据。
    Abstract: The structural parameters of inlet eaves in relation to electrostatic precipitation (ESP) not only significantly influence the uniformity of airflow distribution， but also affect the collection efficiency and emission indices. The effects of different structural parameters， including the inlet eave spread angle， gas distribution plate hole shape， hole ratio and deflector angle， on the uniformity of airflow distribution are studied using a three-dimensional simulation. The model used for these calculations is a Euler-Lagrange multiphase flow model. Results show that better airflow distribution uniformity can be achieved by using a gas distribution plate with a square hole shape. Results also show that the airflow distribution can be effectively improved by adjusting the inlet eave spread angle， hole ratio and deflector angle. The results obtained in this study can be used for the design and optimization of inlet eaves in electrostatic precipitation.
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出版历程
  • 收稿日期:  2010-12-14
邵毅敏, 周俭基, 熊绍武, 雷钦平, 王杰. 电除尘器进气烟箱参数对气流分布影响的仿真研究[J]. 环境工程学报, 2012, 6(2): 577-583.
引用本文: 邵毅敏, 周俭基, 熊绍武, 雷钦平, 王杰. 电除尘器进气烟箱参数对气流分布影响的仿真研究[J]. 环境工程学报, 2012, 6(2): 577-583.
shu
Shao Yimin, Zhou Jianji, Xiong Shaowu, Lei Qinping, Wang Jie. A simulation study on the effect of inlet eave structural parameters on airflow distribution in electrostatic precipitation[J]. Chinese Journal of Environmental Engineering, 2012, 6(2): 577-583.
Citation: Shao Yimin, Zhou Jianji, Xiong Shaowu, Lei Qinping, Wang Jie. A simulation study on the effect of inlet eave structural parameters on airflow distribution in electrostatic precipitation[J]. Chinese Journal of Environmental Engineering, 2012, 6(2): 577-583.
shu

电除尘器进气烟箱参数对气流分布影响的仿真研究

  • 1. 重庆大学机械传动国家重点实验室，重庆 400044
  • 2. 重庆钢铁集团三峰科技有限公司，重庆 400080
  • 收稿日期:  2010-12-14
基金项目:

重庆市科技攻关计划项目(CSTC2008AC3030)

摘要: 电除尘器进气烟箱结构参数不仅对除尘器内部气流分布的均匀性产生重要影响，而且还会影响除尘效率和排放指标。针对电除尘器进气烟箱结构参数选取与气流分布均匀性问题，采用欧拉拉格朗日多相流模型，对进气烟箱扩散角，气流分布板孔形、开孔率和导流板角度等参数，进行了三维流场模拟仿真计算，获得各参数对气流均匀性的影响关系规律。仿真结果表明：方形孔的气流分布板能获得较佳的气流分布均匀性；合理调节进气烟箱扩散角、开孔率和导流板角度可有效地改善电场内气流分布状况。研究结果可为电除尘器进气烟箱的设计与改进提供依据。

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