低温湿烟气环境下燃机余热锅炉烟囱防腐探讨  

Discussion on Anti-corrosion of Chimney of Gas Turbine Waste Heat Boiler in Low-temperature Wet Flue Gas Environment

作　　者：严乐[1] 陈磊[1] 韩新勇 孟亚力 邢宇萌[1] YAN Le;CHEN Lei;HAN Xin-yong;MENG Ya-li;XING Yu-meng(China Power Engineering Consulting Group North China Electric Power Design Institute Co.,Ltd.Beijing 100120,China)

机构地区：[1]中国电力工程顾问集团华北电力设计院工程有限公司,北京100120

出　　处：《全面腐蚀控制》2025年第2期22-27,共6页Total Corrosion Control

摘　　要：本文介绍了燃气-蒸汽联合循环机组增设烟气余热利用系统后,余热锅炉烟囱运行环境也随之发生改变。通过对烟囱内关键检测数据进行比较分析,初步探讨了烟囱的防腐等级,并结合实践工程给出了具体的防腐方案及相关措施,为后续同类工程烟囱防腐提供了参考。This article introduces that after adding a flue gas waste heat utilization system to a gas steam combined cycle unit,the operating environment of the waste heat boiler chimney also changes accordingly.By comparing and analyzing the key detection data inside the chimney,the anti-corrosion level of the chimney was preliminarily explored,and specific anti-corrosion plans and related measures were proposed based on practical engineering,providing reference for the anti-corrosion of chimneys in similar projects in the future.

关 键 词：燃气-蒸汽联合循环机组 烟气余热深度利用 余热锅炉烟囱防腐 低温湿烟气 高 频热振 

分 类 号：TM621[电气工程—电力系统及自动化]