Analysis and optimization for operation of bag filter

DU Zhen1; QIAN Xuyue2; WEI Hongge1; ZHU Yue1 1.China Huadian Electric Research Institute

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Analysis and optimization for operation of bag filter

更新时间：2025-09-28

- Analysis and optimization for operation of bag filter
- Thermal Power Generation Vol. 42, Issue 3, Pages: 74-76(2013)
- 作者机构：
  
  1. 华电电力科学研究院
  2. 浙江环科环境咨询有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701.2
- Published：2013
- 稿件说明：
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DU Zhen1, QIAN Xuyue2, WEI Hongge1, et al. Analysis and optimization for operation of bag filter[J]. Thermal power generation, 2013, 42(3): 74-76.
DOI：

DU Zhen1, QIAN Xuyue2, WEI Hongge1, et al. Analysis and optimization for operation of bag filter[J]. Thermal power generation, 2013, 42(3): 74-76. DOI：

摘要

分析现有布袋、电袋复合除尘器实际运行情况

以及烟气温度、除尘器前后压差、清灰方式、烟气的含氧量和SO2含量对滤袋寿命的影响。结果表明

烟气温度高、除尘器实际运行压差大、烟气中氧气和SO2浓度高是造成滤袋破损的主要原因。对此

提出通过选择耐高温、耐酸腐蚀的滤料

采用烟气紧急喷雾的方法降低烟气温度

调整燃料成分

降低烟气中氧气和SO2浓度

控制喷吹空气压力

合理设计清灰方式、清灰频次及清灰时间等措施

以延长滤袋使用寿命。

Abstract

The actual running condition of the present bag filter and electrostatic fabric filter was investigated

and the influence of such factors as flue gas temperature

dust collector pressure difference

purge mode

oxygen content and SO2 content on the filter's service life was also discussed.Results show that

high flue gas temperature

great pressure difference of the dust collector in operation

and large concentration of O2 and SO2 mainly cause filter breaking.Thus

to lengthen the service life of the filter

measurements like selecting refractory and acid corrosion resistant filter material

reducing the flue gas temperature by urgent sprays

decreasing the O2 and SO2 content through fuel blending

controlling the pressure of sprayed air

reasonably designing the ash collecting mode and frequency and time etc.were put forward.

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Related Author

YAN Keping

LIU Zhen

HUANG Yifan

FU Hui

LI Jiafeng

ZHENG Qinzhen

WANG Xin

WANG Weishu

Related Institution

College of Chemical and Biological Engineering, Zhejiang University

Thermal Engineering Research Center,North China University of Water Resources and Electric Power

Faculty of Maritime and Transportation,Ningbo University

School of Energy Science and Engineering, Harbin Institute of Technology

China Huadian Electric Power Research Institute

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