外取热器取热管断裂失效原因分析  

Failure Analysis for the Breaking of Heat Removing Tube of External Heat Collector

作　　者：邸长友[1] 

机构地区：[1]中国石化集团第四建设公司

出　　处：《压力容器》2002年第3期35-37,共3页Pressure Vessel Technology

摘　　要：通过对失效取热管形貌观察、材料的成分分析、材料力学性能测试、金相分析等理化检验 ,并结合外取热器的操作工况 。Through conducting chemical and physical test, such as visual examination to failure tube, composition analysis for materials, mechanical property for materials, metallurgical analysis, etc., combining the operating conditions of external heat collector. The article considered that the leaking reason of heat removing tube was plastic breaking along lattice for high temperature.

关 键 词：外取热器 取热管 断裂 高温失效 重油催化裂化装置 

分 类 号：TE966[石油与天然气工程—石油机械设备]