浅谈炼油装置中焦炭塔工作特点及失效模式

On the Oil Refining Unit the Coke Tower Work Characteristics and Failure Modes

焦炭塔使用过程中,从室温到高温周期性运行,承受循环载荷,温差应力。常见失效模式主要有:焦炭塔裙座焊缝开裂、堵焦阀焊缝及周围开裂、焦炭塔塔体焊缝内表面开裂;塔体鼓凸、偏斜;塔体材料内部组织出现球化、石墨化现象;下塔盖变形发生泄漏等。

The process of using coke drum periodically from room temperature to high temperature operation, subjected to cyclic loading, thermal stress. Common failure mode： coke drum skirt weld cracking, blocking focal valve weld around cracking, coke Tata weld surface cracking; the tower body emboss skew; the tower material internal organization spheroidization graphitization phenomenon; the next tower cover deformed leak.