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天然气压缩机是油田伴生气处理装置使用最多的增压设备,在装置运行过程中会由于气流脉动、共振、机组振动、声学振动等各种原因引起压缩机管线振动。长时间的管线振动会引起管件连接松动、焊缝破坏、仪表失灵等危害,严重时可能导致管线破裂,引起天然气泄漏着火爆炸,严重影响装置安全运行。本文通过对压缩机管线振动原因的分析,将探讨适合天然气压缩机管线的减振措施及现场应用效果比较。
Natural gas compressors are the most used pressurization equipment used in oilfield associated gas treatment equipment. During the operation of the equipment, the compressor pipeline will vibrate due to various reasons such as air flow pulsation, resonance, unit vibration and acoustic vibration. Long-term pipeline vibration will lead to pipe fittings loose, weld damage, instrument failure and other hazards, may lead to serious pipeline rupture, causing natural gas leak fire explosion, seriously affecting the safe operation of the device. In this paper, through analysis of the causes of compressor pipeline vibration, the vibration reduction measures suitable for natural gas compressor pipeline and the comparison of field application effects will be discussed.