Research on and Application of Comprehensive Ultra-Low Emission and Deep Energy Saving Technologies in a Coal-Fired Power Plant

doi:10.11930/j.issn.1004-9649.2017.04.150.07

Abstract

Abstract: In order to realize ultra-low emission and deep energy saving, a power plant is taken as an exampleto study and analyze a comprehensive technical route of ultra-low emission and deep energy-saving of the flue gas by using the system synergistic treatment method. The technical schemes, such as low-NO_x burner retrofit in the boiler, low-low temperature and pulsed power supply synergistic effect-raising for the electrostatic precipitator(ESP), ESP steam heating and hot air blowing, desulfurization tray and interactive spray synergistic effect-raising, wet ESP utilization and zero waste water discharge and MGGH and condensate water heater coupling energy-saving, are put forward. The study results show that the effect of the ultra-low emission retrofit with these technologies is better than the national ultra-low emission limit requirements, and at the same time the energy consumption of the units is reduced, the the flue gas waste heat is recycled and the adaptability of the units to coal types is improved. The study result may provide reference for similar projects.

Key words: coal-fired power plant, ultra-low emission, deep energy saving

CLC Number:

TM621

WU Laigui, LIU Yuhai, XU Qingguo, LIU Xiaodong, LIANG Chengwu, MEI Kui, LIU Riwei, SHEN Jian, YONG Guosong. Research on and Application of Comprehensive Ultra-Low Emission and Deep Energy Saving Technologies in a Coal-Fired Power Plant[J]. Electric Power, 2017, 50(4): 150-156.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2017.04.150.07

https://www.electricpower.com.cn/EN/Y2017/V50/I4/150

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