从影响总碳氢在线分析仪离线次数过多原因分析入手,对总碳在线分析仪的供气方式进行改造,有效降低了分析仪离线次数。

The methanol synthesis reactor over a large thickness of the tube box and the situation of fillet weld cracks is introduced,the defect was removed,using repair,heat treatment and inspection,and repair welding,till the synthesis of good quality tower obtained.It is proved that the manual welding repair was feasible,could provide a similar reference vessel welding processing.

针对分子筛纯化器带水后吸附性能下降的问题,对影响分子筛吸附性能的主要原因进行分析,提出分子筛纯化器的优化操作措施。

研究了往复压缩机多发典型故障类型,深入分析了其故障发生机理,阐述了故障特征以及个诊断分析的技术应用,并结合现场诊断案例进行了分析,为现场设备维护人员和企业预防往复压缩机故障提供参考。