摘要
从工程建设的全过程论述了某工程项目660 MW超超临界二次再热锅炉受热面:水冷壁、高温过热器、高温再热器热偏差控制的方法与效果,分析比对塔式锅炉与П型锅炉结构差异对热偏差控制的影响,为超超临界二次再热机组的建设提供借鉴。在现有材料体系下,建议超超临界二次再热机组采用塔式锅炉,该炉型更有利于机组的长期安全可靠运行。
The thermal deviation control methods and effects were discussed for the heating surface of 660MW ultra-supercritical double-reheat cycle boiler,including water wall,high temperature superheater,high temperature reheater,through the entire process of power plant construction.The influences of different structure between-type and tower-type boiler on thermal deviation control were analyzed,and can be reference for the future construction of ultra supercritical double-reheat cycle power plant.Considering the existing metal material,tower-type boiler was recommended in ultra supercritical double-reheat units for more safe and reliable long-term operation.
作者
昌永发
郭鹏飞
房新
CHANG Yongfa;GUO Pengfei;FANG Xin(Suqian Power Generation Co., Ltd., China Energy Group, Suqian 223800, China)
出处
《锅炉技术》
北大核心
2020年第4期20-24,共5页
Boiler Technology
关键词
超超临界二次再热
高效灵活
塔式锅炉
热偏差
ultra supercritical double-reheat cycle
high-efficiency and flexible
tower-type boiler
thermal deviation
