As for the existing benzene-spurting for the stand-by distillating pump since test running,we analyse it from the aspects of operation and design and raise the corresponding innovative approach.

• 针对精苯装置预备蒸馏系自投料生产以来存在的喷苯现象,从操作和设计等方面进行原因分析并采取相应的改进措施。