STATUS QUO OF ELECTROSTATIC PRECIPITATORS IN COAL-FIRING POWER PLANTS AND STUDY ON DDESIGN OF THEIR KEY PARAMETERS

QI Jun-tian1; WU Yu-qiang2; WU Wang-min2; FAN Jun-xia2; TIAN Gai-zhen2; LI Hai-bo2; HUI Zhi-feng31.Xi'an Thermal Power Research Institute Co Ltd

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STATUS QUO OF ELECTROSTATIC PRECIPITATORS IN COAL-FIRING POWER PLANTS AND STUDY ON DDESIGN OF THEIR KEY PARAMETERS

更新时间：2025-09-28

- STATUS QUO OF ELECTROSTATIC PRECIPITATORS IN COAL-FIRING POWER PLANTS AND STUDY ON DDESIGN OF THEIR KEY PARAMETERS
- Thermal Power Generation Vol. 38, Issue 7, Pages: 47-50(2009)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 西安西矿环保科技有限公司
  3. 陕西铜川铝业电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701.2
- Published：2009
- 稿件说明：
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QI Jun-tian1, WU Yu-qiang2, WU Wang-min2, et al. STATUS QUO OF ELECTROSTATIC PRECIPITATORS IN COAL-FIRING POWER PLANTS AND STUDY ON DDESIGN OF THEIR KEY PARAMETERS[J]. Thermal power generation, 2009, 38(7): 47-50.
DOI：

QI Jun-tian1, WU Yu-qiang2, WU Wang-min2, et al. STATUS QUO OF ELECTROSTATIC PRECIPITATORS IN COAL-FIRING POWER PLANTS AND STUDY ON DDESIGN OF THEIR KEY PARAMETERS[J]. Thermal power generation, 2009, 38(7): 47-50. DOI：

摘要

燃煤电厂现役电除尘器普遍存在烟尘排放不达标的问题

分析认为电除尘器关键参数设计不合理

尤其比集尘面积小是造成这种问题的最根本原因。在比集尘面积选择合理的情况下

电除尘器出口烟尘排放浓度达到低于50 mg/m3的新排放标准时

要求推荐的比集尘面积范围如下:(1)烟尘排放浓度小于100 mg/m3、常规煤种情况下

比集尘面积≥110 m2/(m3/s);难收集煤种情况下

比集尘面积≥150 m2/(m3/s)。(2)烟尘排放浓度小于50 mg/m3、常规煤种情况下

比集尘面积≥125 m2/(m3/s);特殊煤种情况下

比集尘面积≥180 m2/(m3/s)。

Abstract

The electrostatic precipitators(EP) in service of coal-firing power plants commonly have problem of failing to reach the standard set for smoke emission.It is believed from analysis that the most fundamental cause leading to said problems is unreasonable design of EP's parameters

especially the small specific dust collection area(SDCA).Regarding to commonly used coal sort for power generation

under condition of reasonably choised SDCA

the concentration of smoke emission at exit of EP can satisfy the requirement of the new emission standard

being lower than 50 mg/m3.The range of DCA is recommended as follows:1.if the concentration of smoke emission to be less than 100 mg/m3

under condition of conventional coal sort

the SDCA should≥110 m2(m3/s);under condition of difficultly collecting coal sort

the SDCA should≥150 m2(m3/s);2.if the concentration of smoke emission to be less than 50 mg/m3

under condition of conventional coal sort

the SDCA must≥125 m2(m3/s);under condition of special coal sorts

the SDCA must≥180 m2(m3/s).

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Related Author

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