低低温电除尘器粉尘及SO3协同去除研究

doi:10.11930/j.issn.1004-9649.201609019

中国电力 ›› 2017, Vol. 50 ›› Issue (9): 121-124.DOI: 10.11930/j.issn.1004-9649.201609019

低低温电除尘器粉尘及SO₃协同去除研究

曹御风¹, 姚宇平², 刘含笑², 李文华¹, 郦建国²

1. 浙江浙能温州发电有限公司,浙江乐清 325602;
2. 浙江菲达环保科技股份有限公司,浙江诸暨 311800

收稿日期:2016-09-11 出版日期:2017-09-25 发布日期:2017-09-11
作者简介:曹御风（1960—）,男,浙江平阳人,高级工程师,从事发电厂生产技术管理及行政管理工作。E-mail: gutounan@163.com

The In-Depth Research on PM and SO₃ Simultaneous Removal by Low-Low Temperature ESP Technique

CAO Yufeng¹, YAO Yuping², LIU Hanxiao², LI Wenhua¹, LI Jianguo²

1. Zhejiang Zheneng Wenzhou Power Plant Co., Ltd., Leqing 325602, China;
2. Feida Environmental Protection Technology Co., Ltd., Zhuji 311800, China

Received:2016-09-11 Online:2017-09-25 Published:2017-09-11

摘要/Abstract

摘要： 为使燃煤电厂大气污染物超低排放,近年低低温电除尘技术开始得到应用。以浙能温州电厂660 MW机组低低温电除尘器为研究对象,对低低温电除尘器粉尘及SO₃协同去除效果进行了测试,对烟气的常规温度和低低温状态下飞灰比电阻的变化及其除尘提效幅度开展研究。结果表明：烟气冷却器投运后,低低温工况条件下的飞灰工况比电阻值较常规烟气工况降低了1个数量级,烟尘排放质量浓度由6.94 mg/m³降至3.25 mg/m³,达到超低排放要求 ;SO₃脱除率达96.6%。

关键词: 低低温电除尘器, 多污染物协同去除, 超低排放, 烟尘, 三氧化硫, 工况比电阻

Abstract: In recent years, to realize ultra-low emission of air pollutants from coal-fired power plants, the application of low-low temperature ESP technique has just stepped onto the stage. Taking the low-low temperature ESP of 660 MW unit in Zhejiang Wenzhou Power Plant as the research object, the PM and SO₃ simultaneous removal effects of low-low temperature ESP are tested, and the resistivity of fly ash and its impact on dust removal efficiency at low-low and regular temperatures are studied. The results show that since the flue gas cooler is put into operation, the working condition resistivity of fly ash under low-low temperature has been lowered by ten times compared with the regular working conditions. The emission mass concentration of dust has been decreased from 6.94 mg/m³ to 3.25 mg/m³, which meets the ultra-low emissions requirements, and the SO₃ removal rate reaches 96.6%.

Key words: low-low temperature ESP, multiple pollutants simultaneous removal, ultra-low emissions, dust, SO₃, working condition resistivity

中图分类号:

X51
TM628

曹御风, 姚宇平, 刘含笑, 李文华, 郦建国. 低低温电除尘器粉尘及SO₃协同去除研究[J]. 中国电力, 2017, 50(9): 121-124.

CAO Yufeng, YAO Yuping, LIU Hanxiao, LI Wenhua, LI Jianguo. The In-Depth Research on PM and SO₃ Simultaneous Removal by Low-Low Temperature ESP Technique[J]. Electric Power, 2017, 50(9): 121-124.

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https://www.electricpower.com.cn/CN/Y2017/V50/I9/121

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低低温电除尘器粉尘及SO₃协同去除研究

The In-Depth Research on PM and SO₃ Simultaneous Removal by Low-Low Temperature ESP Technique

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