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透平膨胀机更换新的叶轮转子部件及石墨气封后,重新启动运行时,出现了间歇性无规律异响和振动值增大的现象,且随着膨胀机转速不断提高,异响和振动值不断增大。加强监控透平膨胀机的振动值,直到故障消失,平稳运行。介绍故障发生时透平膨胀机的运行参数和整个故障过程,最后总结了此次故障分析和处理过程中得到的经验。
Turbine expander to replace the new impeller rotor parts and graphite gas seal, the restart operation, there has been intermittent irregular noise and the phenomenon of increasing the value of the vibration, and with the expander speed continues to improve, abnormal sound and vibration Increasing value. Strengthen the monitoring of turbine expander vibration value, until the fault disappears, smooth operation. The operating parameters of the turbo-expander and the whole fault process are introduced when the fault occurs. Finally, the experience gained during the fault analysis and treatment is summarized.