气相加氢压缩机轴封改造  

Modification of Shaft Seal for Hydrogenization Compressor

作　　者：李欣 Li Xin

机构地区：[1]中石化齐鲁股份有限公司第二化肥厂,山东淄博255400

出　　处：《上海化工》2016年第10期30-35,共6页Shanghai Chemical Industry

摘　　要：介绍了气相加氢压缩机浮环+机械密封的组合式密封与干气密封的结构及工作原理,并比较了二者的优缺点,提出了干气密封的改造方案。最后,提出了干气密封系统在维护操作中的注意事项,分析了改造后产生的经济效益。The structures and working mechanisms of floating ring＋mechanical seal and dry gas seal for hydrogenization compressor were introduced, and the advantages and disadvantages of them were compared. Besides, the modification scheme of dry gas seal was put forward. At last, precautions in the maintenance operation of dry gas seal system were presented, and the economic benefits achieved after modification were analyzed.

关 键 词：压缩机 浮环密封 干气密封 螺旋槽 

分 类 号：TH136[机械工程—机械制造及自动化]