硫磺回收装置高危介质泵机封改造

The Improvement of the Mechanical Seal of High-risk Medium Pump of Sulfur Recovery Unit

硫磺回收装置是炼油厂重要的环保装置,为了保证高危介质泵安全运行,消除对环境的污染,对输送高危介质的机泵进行机械密封升级改造。由原单端面机械密封升级为双端面机械密封,辅助系统采用PLAN52方案。自2012年9月改造完成运行以来,泵机封泄露量为0,辅助系统运行平稳,没有发生检维修作业。

pump delivery risk medium was upgraded. By the single face mechanical seal u PLAN5 pgrading 2 scheme used auxiliary system. Since the transformation operation completed mechanical seal leakage quantity was 0, the auxiliary system was running smoothly without Key words： the acidic water stripping; double mechanical seal; PLAN52; operation to double mechanical seal, in September 2012, pump maintenance and repair work.