含缺陷氨制冷管道合于使用评价

Fitness for Service Assessment of Ammonia Refrigeration Pipe Containing Defects

本文采用管道应力分析软件Start_Prof对某冷库检验中发现超标未焊透缺陷的氨制冷管道进行了应力分析,并按照GB/T19624-2019《在用含缺陷压力容器安全评定》U因子评价方法对超标未焊透缺陷进行合于使用评价,评价结果表明:在正常操作工况下,管道可安全运行至下一检验周期。

Pipe stress analysis software Start_Prof was used to calculate ammonia refrigeration pipe stress of a cold storage which found lack of penetration in periodic inspection.Then assessment lack of penetration according to U factor evaluation method of GB/T19624-2019"safety assessment for in-service pressure vessels containing defects".The results show that under normal operating conditions,this ammonia refrigeration pipe will be safety in next period.