燃煤电厂典型除尘器运行现状分析及优化

doi:10.11930/j.issn.1004-9649.202205031

中国电力 ›› 2022, Vol. 55 ›› Issue (11): 194-201.DOI: 10.11930/j.issn.1004-9649.202205031

燃煤电厂典型除尘器运行现状分析及优化

孙尊强^1,2,3, 郑成航², 周灿², 王圣¹, 马修元³, 叶毅科³

1. 国家环境保护大气物理模拟与污染控制重点实验室，江苏南京 210031;
2. 浙江大学，浙江杭州 310027;
3. 国电环境保护研究院有限公司，江苏南京 210031

收稿日期:2022-05-05 修回日期:2022-09-20 发布日期:2022-11-29
作者简介:孙尊强（ 1982—），男，博士研究生，高级工程师，从事电力环境保护设计研发工作，E-mail：sunzunqiang@126.com
基金资助:
国家自然科学基金资助项目（52076191）；国家环境保护大气物理模拟与污染控制重点实验室开放课题项目（D2020Y04-13）。

Operational Status Analysis and Optimization Suggestions of Typical Dust Collectors in Coal-Fired Power Plants

SUN Zunqiang^1,2,3, ZHENG Chenghang², ZHOU Can², WANG Sheng¹, MA Xiuyuan³, YE Yike³

1. National Environmental Protection Research Institute for Electric Power, Nanjing 210031, China;
2. Zhejiang University, Hangzhou 310027, China;
3. State Power Environmental Protection Research Institute, Nanjing 210031, China

Received:2022-05-05 Revised:2022-09-20 Published:2022-11-29
Supported by:
This work is supported by National Natural Science Foundation of China (No.52076191), State Environmental Protection Key Laboratory of Atmospheric Physical Modeling and Pollution Control (No.D2020Y04-13).

摘要/Abstract

摘要： 调研分析72家燃煤电厂配套的287台不同类型除尘器的运行现状及存在问题，并针对不同类型除尘器给出了相应的优化提效建议：通过干式电除尘器不同电场的振打频度调整、降压振打优化和电源智能控制优化等措施实现节能提效；通过低低温电除尘器多尺度、多场耦合模拟试验，合理布置导流构件解决低温省煤器段的磨损、积灰等问题；通过袋式除尘器气流分布优化和智能调控解决袋式除尘器易糊袋、破袋和能耗高等问题；通过湿式电除尘器极配型式优化提升其运行稳定性，减少电场闪络频繁的现象。

关键词: 燃煤电厂, 除尘器, 运行现状, 优化提效, 节能提效

Abstract: In this study, 287 typical coal-fired unit dust removal facilities in 72 power plants are selected to investigate the operation status and issues of dust collectors, and corresponding suggestions are given on optimization and efficiency improvement for different types of dust collectors: For dry electrostatic precipitators (ESPs), energy saving and efficiency improvement can be achieved by adjusting electric field rapping frequency, voltage reduction rapping and power intelligent control optimization; For low-low temperature ESPs, multi-scale and multi-field coupling simulation test of the whole process can solve the problems of wear and ash deposition, and the guide components can be reasonably arranged; For bag filters, airflow distribution optimization and intelligent regulation can solve the problem of bag breakage and high energy consumption; For wet ESPs, optimization of the electrode configuration can enhance the operational stability and reduce the frequency of electric field flashover.

Key words: coal-fired power plants, dust collectors, operation status, optimization for efficiency improvement, energy saving for efficiency improvement

孙尊强, 郑成航, 周灿, 王圣, 马修元, 叶毅科. 燃煤电厂典型除尘器运行现状分析及优化[J]. 中国电力, 2022, 55(11): 194-201.

SUN Zunqiang, ZHENG Chenghang, ZHOU Can, WANG Sheng, MA Xiuyuan, YE Yike. Operational Status Analysis and Optimization Suggestions of Typical Dust Collectors in Coal-Fired Power Plants[J]. Electric Power, 2022, 55(11): 194-201.

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https://www.electricpower.com.cn/CN/Y2022/V55/I11/194

参考文献

[1] 中华人民共和国环境保护部. 火电厂大气污染物排放标准: GB 13223-2011[S]. 2011.
[2] 环境保护部, 国家发展和改革委员会, 国家能源局. 全面实施燃煤电厂超低排放和节能改造工作方案[EB/OL]. (2015-12-11)[2018-05-12].https://www.mee.gov.cn/gkml/hbb/bwj/201512/t20151215_319170.htm.
[3] 中国电力企业联合会. 中国电力行业年度发展报告[R]. 北京, 2021.
[4] CAO R F, LU Y, YU D R, et al. A novel approach to improving load flexibility of coal-fired power plant by integrating high temperature thermal energy storage through additional thermodynamic cycle[J]. Applied Thermal Engineering, 2020, 173: 115225.
[5] FU Y W, NING Z, GE W C, et al. Using molten-salt energy storage to decrease the minimum operation load of the coal-fired power plant[J]. Thermal Science, 2020, 24(5): 2757–2771.
[6] 赵永亮, 刁保圣, 韩翔, 等. 660 MW超临界燃煤机组变负荷过程动态特性的仿真研究[J]. 中国电力, 2019, 52(5): 13–20
ZHAO Yongliang, DIAO Baosheng, HAN Xiang, et al. Simulation study on the dynamic characteristics of a 660 MW supercritical coal-fired power unit during AGC processes[J]. Electric Power, 2019, 52(5): 13–20
[7] 翟美丹, 米俊锋, 马文鑫, 等. 静电除尘技术及其影响因素的发展现状[J]. 应用化工, 2021, 50(9): 2572–2577
ZHAI Meidan, MI Junfeng, MA Wenxin, et al. The development of electrostatic dust removal technology and its influencing factors[J]. Applied Chemical Industry, 2021, 50(9): 2572–2577
[8] 安连锁, 王金平, 郦建国, 等. 中国燃煤电厂电除尘技术发展及应用综述[J]. 中国电力, 2018, 51(4): 115–123
AN Liansuo, WANG Jinping, LI Jianguo, et al. Development and application overview of electrostatic precipitation technology for coal-fired power plant in China[J]. Electric Power, 2018, 51(4): 115–123
[9] WANG Y F, ZHANG H, GAO W C, et al. Improving the removal of particles via electrostatic precipitator by optimizing the corona wire arrangement[J]. Powder Technology, 2021, 388: 201–211.
[10] JAWOREK A, MARCHEWICZ A, SOBCZYK A T, et al. Two-stage electrostatic precipitators for the reduction of PM_2.5 particle emission[J]. Progress in Energy & Combustion Science, 2018, 67: 206–233.
[11] 依成武, 顾亚川, 依蓉婕, 等. 改进折点的双涡旋极板电除尘器数值模拟[J]. 高电压技术, 2017, 43(8): 2638–2644
YI Chengwu, GU Yachuan, YI Rongjie, et al. Numerical simulation of the ESP with the new better fold of double vortexes plates[J]. High Voltage Engineering, 2017, 43(8): 2638–2644
[12] 赵海宝, 何毓忠, 王贤明. “低低温+移动电极”电除尘技术研究与应用[J]. 中国电力, 2017, 50(1): 173–176
ZHAO Haibao, HE Yuzhong, WANG Xianming. Research and application of low-low temperature electrostatic precipitator combined with MEEP[J]. Electric Power, 2017, 50(1): 173–176
[13] GAO W C, ZHANG H, WU Z C, et al. Low-temperature electrostatic precipitator with different electrode configurations under various operation conditions[J]. Powder Technology, 2021, 394: 1178–1185.
[14] 陈牧, 胡玉清, 桂本. 利用协同治理技术实现燃煤电厂烟尘超低排放[J]. 中国电力, 2015, 48(9): 146–151
CHEN Mu, HU Yuqing, GUI Ben. synergistic control technology for ultra-low PM emission from coal-fired power plants and its application[J]. Electric Power, 2015, 48(9): 146–151
[15] JAWOREK A, SOBCZYK A T, KRUPA A, et al. Hybrid electrostatic filtration systems for fly ash particles emission control: a review[J]. Separation and Purification Technology, 2019, 213: 283–302.
[16] 柳静献, 毛宁, 孙熙, 等. 我国袋式除尘技术历史、现状与发展趋势综述[J]. 中国环保产业, 2022(1): 47–58
LIU Jingxian, MAO Ning, SUN Xi, et al. Review of history, present situation and development trend of bag dust removal technology in China[J]. China Environmental Protection Industry, 2022(1): 47–58
[17] 刘彬. 我国袋式除尘技术研究及应用现状[J]. 安全与环境工程, 2011, 18(6): 53–55,67
LIU Bin. Research and application status of bag filter technology in China[J]. Safety and Environmental Engineering, 2011, 18(6): 53–55,67
[18] YANG Z D, ZHENG C H, ZHANG X F, et al. Challenge of SO₃ removal by wet electrostatic precipitator under simulated flue gas with high SO₃ concentration[J]. Fuel, 2018, 217: 597–604.
[19] ZHENG C, WANG Y, ZHANG X, et al. Current density distribution and optimization of the collection electrodes of a honeycomb wet electrostatic precipitator[J]. RSC Advances, 2018, 8(54): 30701–30711.
[20] 杨正大. 多场强化湿烟气中PM、SO_x协同脱除机理及应用研究[D]. 杭州: 浙江大学, 2018.
YANG Zhengda. Mechanism and application for simultaneous removal of PM and SO_x from wet flue gas enhanced by external fields[D]. Hangzhou: Zhejiang University, 2018.
[21] 蔡伟龙, 郑智宏, 严坤富, 等. 浅谈滤袋糊袋问题及强力清灰技术[J]. 中国环保产业, 2017(1): 45–48
CAI Weilong, ZHENG Zhihong, YAN Kunfu, et al. Discussion on filter bag & paste bag and strong cleaning dust technology[J]. China Environmental Protection Industry, 2017(1): 45–48
[22] 孙尊强, 舒喜, 申智勇, 等. 柔性湿式电除尘器关键技术优化研究[J]. 电力科技与环保, 2017, 33(2): 26–29
SUN Zunqiang, SHU Xi, SHEN Zhiyong, et al. Research on key design parameters of flexible wet electrostatic precipitator[J]. Electric Power Technology and Environmental Protection, 2017, 33(2): 26–29

燃煤电厂典型除尘器运行现状分析及优化

Operational Status Analysis and Optimization Suggestions of Typical Dust Collectors in Coal-Fired Power Plants

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燃煤电厂典型除尘器运行现状分析及优化

Operational Status Analysis and Optimization Suggestions of Typical Dust Collectors in Coal-Fired Power Plants

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