过热器管束断裂分析  

Superheater Tube Bank Fracture Analysis

作　　者：李明 王艳滨 

机构地区：[1]哈尔滨.第七○ 三研究所,黑龙江哈尔滨150036 [2]哈尔滨.第七○三研究所,黑龙江哈尔滨150036

出　　处：《热能动力工程》2000年第2期160-161,共2页Journal of Engineering for Thermal Energy and Power

摘　　要：用有限元法对余热锅炉过热器管束与外管网系统进行了热应力计算分析 ,指出启动时为过热器管束受力最恶劣状态 。With the help of a finite element method a thermal stress calculation and analysis was performed of a heat recovery boiler superheater tube bank and an outer tube network system. It is noted that during a boiler start up the superheater tube bank is subjected to a most unfavorable load bearing condition. Moreover, the layout rigidity of the outer tube network can influence the service life and safe operation of the superheater tube bank.

关 键 词：过热器 热应力 外管网 刚度 断裂 余热锅炉 

分 类 号：TM621.2[电气工程—电力系统及自动化] TK229.929[动力工程及工程热物理—动力机械及工程]