3D numerical simulation of particles collection in a high-temperature  wire-cylinder electrostatic precipitator

YANG Guang; XIAO Gang; NI Mingjiang; CHEN Dong; LIU Yiqiang

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3D numerical simulation of particles collection in a high-temperature wire-cylinder electrostatic precipitator

更新时间：2025-09-28

- 3D numerical simulation of particles collection in a high-temperature wire-cylinder electrostatic precipitator
- Thermal Power Generation Issue 4, (2017)
- 作者机构：
  
  1. 浙江大学能源清洁利用国家重点实验室,浙江,杭州,310027
  2. 浙江工业大学机械工程学院,浙江,杭州,310014
  3. 浙江同景新能源集团，浙江江山,324100
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK09
- Published Online：26 April 2017，
  
  Published：2017
- 稿件说明：
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YANG Guang, XIAO Gang, NI Mingjiang, et al. 3D numerical simulation of particles collection in a high-temperature wire-cylinder electrostatic precipitator[J]. Thermal power generation, 2017, (4).
DOI：

YANG Guang, XIAO Gang, NI Mingjiang, et al. 3D numerical simulation of particles collection in a high-temperature wire-cylinder electrostatic precipitator[J]. Thermal power generation, 2017, (4). DOI：

摘要

为了分析高温线管式静电除尘器中的除尘过程与颗粒运动情况，建立了颗粒动力学与颗粒收集的三维理论模型，并利用商业CFD软件Fluent对模型进行模拟计算。结果表明：高温线管式静电除尘系统的除尘效率、颗粒运动情况与实验研究较符合；增大端口电压是提高除尘效率的有效方法；当粒径减小时，颗粒的沉积高度会迅速增大，从而变得难以收集，以620 ℃、端口电压17 310 V的工况为例，粒径大于6 μm颗粒的收集效率接近100%，而亚微米颗粒（0.1~1.0 μm）的收集效率只有40 %左右；颗粒进入除尘空间的初始位置对颗粒运动轨迹有很大影响，以粒径为10 μm的颗粒为例，颗粒的初始位置越靠近阳极管，颗粒沉积高度就越低，收尘所需时间越短。

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