干气压缩机运行故障诊断研究

Malfunction Diagnosing and Analyzing for the Reciprocating Compressor of Dry Gas Purification Ethylene Plant

结合干气提浓乙烯装置的工艺特点,对装置主流程中关键设备往复式压缩机的运行故障进行详细分析,提出介质携带杂质、液体并具有腐蚀性,以及仪表系统的假信号等是导致压缩机故障频发的主要原因。根据实际运行经验,针对导致故障发生的原因从工艺与设备两方面深入探讨改进措施,在实际运行中已采取的措施及取得的良好效果,并就如何提高机组的运行可靠性做了进一步讨论,为干气装置的压缩机长周期稳定运行提出切实可行的方案。

Combining the analysis of the technology characteristics of the reciprocating compressor for ＂dry gas purification ethylene plant＂ ,a detailed analysis is carried on of the operational failure of key e- quipment in the main.flow of the device reciprocating compressors, and the main reasons leading to the fre- quent failure of compressor are raised,which are the medium that carries impurity,liquid and being corro- sive ,and the false signal in instrument system.According to the actual operating experience ,in view of the cause of the failure ,technology and equipment are facttsed on to improve measures ,and in the actual opera- tion good results are achieved,and the situation of how to improve the operation reliability of the unit have been further discussed,providing feasible scheme for the stable and long-term operation of reciprocating compressor of dry gas plant.