摘要
SCR烟气脱硝技术因其成熟可靠被广泛应用于我国火力发电厂。SCR装置对入口烟气温度有严格要求,锅炉给水温度的下降会直接导致烟气温度的下降。高加退出运行后,SCR装置如何保持正常运行,已成为目前火力发电厂亟待解决的课题。对某厂320 MW机组运行中投、退高加做了大量数据统计及分析,总结出了能够保障SCR装置安全运行的高加投、退操作措施,对保障火力发电厂脱硝系统安全运行有指导、借鉴意义。
SCR flue gas denitration technology has been widely used in China’s thermal power plants because of its maturity and reliability.SCR devices have strict requirements for inlet flue gas temperature.The decrease of boiler feed water temperature will directly lead to the decrease of flue gas temperature.How to ensure the normal operation of the SCR device after the high pressure heater out of service has become an urgent issue for the majority of thermal power plants.This paper makes a large amount of data statistics and analysis for the operation of the 320 MW unit in a plant,and summarizes the operation measures of high pressure heater out of service or put into service that can ensure the safe operation of the SCR device.It is of guiding and reference significance to ensure the safe operation of denitration system in thermal power plant.
作者
王富国
田野
WANG Fuguo;TIAN Ye(Guoneng Tianjin Dagang Power Plant,Tianjin 300270,China)
出处
《天津科技》
2023年第S01期78-80,87,共4页
Tianjin Science & Technology
关键词
影响因素
脱硝装置
高加退出的影响
原因及对策
优化措施
influencing factors
denitration device
impact of high pressure heater out of service
reasons and countermeasures
optimization measures
