800MW级燃气-蒸汽联合循环机组余热锅炉的停炉保养  

Maintenance for Heat Recovery Steam Generator of 800 MW-class Gas-steam Combined Cycle Unit

作　　者：吴锋[1] 章嵛耑 赵熙[1] 司派友[1] 毛永清[1] 张清峰[1] 王洪涛[1] 周熠[3] 

机构地区：[1]华北电力科学研究院有限责任公司,北京100045 [2]北京京桥热电有限责任公司,北京100011 [3]国家电网公司华北电力调度分中心,北京100053

出　　处：《华北电力技术》2013年第7期21-25,共5页North China Electric Power

摘　　要：介绍了燃气-蒸汽联合循环中余热锅炉停炉腐蚀的原理和保护的方法,并以北京京桥热电1号余热锅炉为例,介绍了在调试期间该锅炉采用的氨-联氨钝化烘干法以及冲氮湿法保养的原理和具体的操作步骤,同时提出了采用不同方法进行保养时需要注意的事项。In this paper, the stopped boiler corrosion principles and protection methods of Heat Recovery Steam Generator （HRSG） of combined gas-stream cycle unit are introduced. The HSRG No. 1 in Beijing Jingqiao thermal plant is taken as an example to introduce the maintenance principle and the concrete operating procedures of ammonia-hydrazine passivation drying method and rushed nitrogen wet maintenance method used during commissioning of the boiler. And the attention points of different maintenance methods are proposed.

关 键 词：余热锅炉 停炉保养 联氨钝化烘干 冲氮湿法保养 

分 类 号：TM611.31[电气工程—电力系统及自动化]