大容量电站锅炉汽温问题及过热器与再热器超温爆管原因的分析  

Problems Concerning The Steam Temperature of Large Utility Boilers and Rupture Causes of Overheated Superheaterand Reheater Tubes

作　　者：袁益超 陈之航 王国华[1] 陈松业[1] 

机构地区：[1]华东工业学校,上海锅炉厂

出　　处：《动力工程》1994年第6期21-28,共8页Power Engineering

摘　　要：本文在作者对国内主要大型火电厂现场调研的基础上，系统地分析了导致大容量电站锅炉一、二次汽温偏离设计值以及过热器和再热器受热面超温爆管的原因，并提出了相应的改进措施。Abstract Based on the author's on site investigation of major large domestic utility boilers,the deviations of superheater and reheater steam temperaturesfrom their design values are analyzed for their causes,as well as that of theirtube ruptures induced by local overheating.Relevant remedies are also suggested.

关 键 词：锅炉 过热器 再热器 爆管 发电厂 

分 类 号：TM621.2[电气工程—电力系统及自动化]