超超临界机组锅炉启动初期屏式过热器管壁超温分析  

The Analysis on the Tube Wall Overtemperature of the Boiler Platen Superheater for Ultra Supercritical Unit at the Initial Stage of Start-Up

作　　者：刘超辉 LIU Chaohui(CHN Energy Changyuan Hanchuan Power Generation Co.,Ltd.,Hanchuan 431614,China)

机构地区：[1]国能长源汉川发电有限公司,湖北汉川431614

出　　处：《锅炉技术》2022年第4期68-73,共6页Boiler Technology

摘　　要：阐述了国内某电厂超超临界机组锅炉启动初期屏式过热器管壁超温的情况,详细分析了其产生的原因,并制定了相应的解决方案,成功解决了超超临界锅炉启动初期屏式过热器管壁超温的问题,为同类型机组锅炉启动初期屏式过热器超温控制提供参考。This paper introduces the tube wall over-temperature of the platen superheater in the initial stage of ultra supercritical unit boiler start-up in a domestic power plant,analyzes the causes in detail,and formulates the corresponding solutions.The problem of tube wall overtemperature of the platen superheater in the initial stage of ultra supercritical boiler start-up is successfully solved,which provides a reference for the over-temperature control of the platen superheater in the initial stage of boiler start-up of the same type of units.

关 键 词：超超临界机组 锅炉启动 屏式过热器 超温 解决方案 

分 类 号：TK227[动力工程及工程热物理—动力机械及工程]