甲醇装置变换系统管道焊缝裂纹的原因及解决措施

Reasons for Weld Cracking in Pipeline of Shift System of Methanol Plant and Its Solution Measures

介绍了煤制甲醇装置因变换系统管道焊缝裂纹导致的泄漏情况和处理过程;分析了管道焊缝出现裂纹的原因;从加强变换炉操作管理、更换管道材料、增加管道伴热、保温和特护管理等方面提出了解决方案。

Author has introduced the leakage situation and its treatment process in the plant of methanol made by coal caused by weld cracking of pipeline of shift system;has analyzed the reason of cracking existing in the piping weld;has presented the solution scheme from aspects of strengthening operating management of shift furnace,replacing pipeline material,increasing heat tracing and heat insulation,and specially protected management etc.of piping,.