超(超)临界机组锅炉启动初期过热器管壁超温研究  

Research of Tube Wall Over-Temperature on Superheater for Boiler of Ultra Supercritical Unit at Initial Stage of Start-up

作　　者：葛浩[1] 冯伟忠[2] 

机构地区：[1]上海电力学院,上海200090 [2]上海外高桥第三发电有限责任公司,上海200137

出　　处：《上海电力学院学报》2012年第3期229-232,237,共5页Journal of Shanghai University of Electric Power

摘　　要：分析了锅炉启动初期过热器的超温机理及影响因素,研究了不同启动方式对过热器壁温的影响,并通过启动试验研究了蒸汽加热启动方式下的过热器壁温状况,以提高机组的安全性.The mechanism and influence factors of superheater overheating at initial stage of boiler start-up are analyzed. The influence of different start-up mode on superheater tube temperature is researched, and how to improve the condition of the superheater tube temperature and improve the operation safety of the unit by adopting the steam heating start-up mode is analyzed in detail.

关 键 词：超(超)临界机组 锅炉启动 过热器 超温 

分 类 号：TK223.332[动力工程及工程热物理—动力机械及工程]