STUDY ON APPLICATION OF COMBINED DUST REMOVAL TECHNOLOGY USING ELECTROSTATIC PRECIPITATOR AND BAG FILTER FOR CFB BOILER

QI Jun-tian; NIE Xiao-feng; ZHANG Chao; LIU YuanXi’an Thermal Power Research Institute Co Ltd

doi:10.19666/j.rlfd.2007.12.013

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STUDY ON APPLICATION OF COMBINED DUST REMOVAL TECHNOLOGY USING ELECTROSTATIC PRECIPITATOR AND BAG FILTER FOR CFB BOILER

更新时间：2025-09-28

- STUDY ON APPLICATION OF COMBINED DUST REMOVAL TECHNOLOGY USING ELECTROSTATIC PRECIPITATOR AND BAG FILTER FOR CFB BOILER
- Thermal Power Generation Issue 12, Pages: 49-52(2007)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.12.013
  CLC： TK229.66;TK223.27
- Published：2007
- 稿件说明：
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QI Jun-tian, NIE Xiao-feng, ZHANG Chao, et al. STUDY ON APPLICATION OF COMBINED DUST REMOVAL TECHNOLOGY USING ELECTROSTATIC PRECIPITATOR AND BAG FILTER FOR CFB BOILER[J]. Thermal power generation, 2007, (12): 49-52.
DOI：

QI Jun-tian, NIE Xiao-feng, ZHANG Chao, et al. STUDY ON APPLICATION OF COMBINED DUST REMOVAL TECHNOLOGY USING ELECTROSTATIC PRECIPITATOR AND BAG FILTER FOR CFB BOILER[J]. Thermal power generation, 2007, (12): 49-52. DOI： 10.19666/j.rlfd.2007.12.013.

摘要

某电厂循环流化床锅炉所配电除尘器由于工况的改变导致运行恶化

达不到环保排放标准要求

为此

将其改造成电-袋组合除尘器。对布袋除尘器行喷吹清灰喷嘴结构和布置方式进行了研究

同时

对电-袋组合除尘器间气流分布进行了优化。改造后

烟尘排放浓度由600mg/m3降至28mg/m3以下

设备运行稳定可靠

达到了预期的目标。

Abstract

The operation of electrostatic precipitator(EP) originally equiped for circulating fluidized bed(CFB) boiler in one power plant has deteriorated due to change of the operating condition. the dust removal efficiency can’t reach the requirement of pollutant emission standard for environmental protection. For this

it is retrofitted into a dust collector combining EP with bag filter. Combined with practical engineering project

the structure and arrangement mode of ash-cleaning nozzles for the bag filter have been studied

at the same time

the gas flow distribution between EP and bag filter being optimized. After retrofitting

the concentration of smoke emission has been lowered from 600 mg/m3 to below 28 mg/m3

the operation of retrofitted equipment being stable and reliable

attaining the anticipated target.

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