TEST STUDY ON EMISSION CONTROL OF ABSORBABLE PARITCLES INTO ELECTROSTATIC PRECIPITATORS FOR 300 MW UNIT

doi:10.19666/j.rlfd.2006.10.012

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TEST STUDY ON EMISSION CONTROL OF ABSORBABLE PARITCLES INTO ELECTROSTATIC PRECIPITATORS FOR 300 MW UNIT

更新时间：2025-09-28

- TEST STUDY ON EMISSION CONTROL OF ABSORBABLE PARITCLES INTO ELECTROSTATIC PRECIPITATORS FOR 300 MW UNIT
- Thermal Power Generation Issue 10, Pages: 37-39(2006)
- 作者机构：
  
  1. 中国计量学院
  2. 太原理工大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2006.10.012
  CLC： X701.2
- Published：2006
- 稿件说明：
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TEST STUDY ON EMISSION CONTROL OF ABSORBABLE PARITCLES INTO ELECTROSTATIC PRECIPITATORS FOR 300 MW UNIT[J]. Thermal power generation, 2006, (10): 37-39.
DOI：

TEST STUDY ON EMISSION CONTROL OF ABSORBABLE PARITCLES INTO ELECTROSTATIC PRECIPITATORS FOR 300 MW UNIT[J]. Thermal power generation, 2006, (10): 37-39. DOI： 10.19666/j.rlfd.2006.10.012.

摘要

在200 MW机组电除尘器前后烟道进行测试

得到飞灰颗粒的浓度、粒径分布和静电除尘器的分级除尘效率。试验表明

电除尘器对粒径10μm以上颗粒脱除效果好

但对5μm以下颗粒脱除效率急剧下降

对2.5μm的粒子脱除效率仅为90%

这将造成相当数量的小颗粒飞灰排放到大气环境中。

Abstract

A part of fine particles with average size of 2.5 μm in the atmosphere is directly or indirectly coming from the emission of coalfired thermal power plants

the disposal of particles with size 10 μm and 2.5 μm through electrostatic precipitator（EP）

in large-scale coal-fired power plants

however

is yet short of quantitative analysis data at present.Hence

field test has been carried out in flue gas duct before and after the EP of one 200 MW unit

obtaining the concentration of fly ash particles

particle size distribution

and staged dust removal efficiency of the EP.Study shows that the effectiveness of EP for removal particles with size greater than 10 μm to be good

but the dust removal efficiency to be rapidly decreased for particles with size less than 5μm

the dust removal efficiency only to be 90% for particles with size of 2.5μm.thus

resulting in emission of considerable amount of small particles into the atmosphere environment.

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