1#催化裂化装置烟机入口管线焊缝开裂分析

摘要

Cracks on the hot flue gas tube to FCC Expander was observed. After a brief review, stress analysis computation for the tube was performed. Failure analysis on all possible reasons with field constraints and computed result leads to a prudent conclusion, with advices of amendment.%催化烟机入口高温烟气管线发生裂纹，在对此类故障的简短回顾之后，采用应力分析软件对此管道做了分析。根据应力计算结果和可能的失效原因，分析得出了审慎的结论以及一些整改建议。