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中文摘要：
为解决某厂丁烯离心泵和柱塞泵进出口管道振动严重的问题，将阻尼减振技术应用于管道减振中。开展了对管道系统振动频率及振幅的现场测量，并运用CAESARⅡ软件对管道进行了模态分析，建立了管道系统与其振动特性之间的关系，通过对计算数据与实际测量数据进行对比，提出了该管系振动的解决方案；该方案采用阻尼减振技术，在不影响离心泵和柱塞泵正常生产的情况下，在管道的适当位置安装阻尼器，实现了工程减振改造。实际工程减振改造结果表明，加装阻尼器后管道系统的振动幅值大幅度降低至安全范围之内，减振效果十分明显，进而保证了柱塞泵和离心泵的安全运行。
英文摘要：
In order to solve the problem of butylenes centrifugal pump and plunger pump pipeline vibration in a petrochemical plant, the pipeline damping technology was investigated. The vibration frequency and amplitude of piping systems were measured and finite element analysis software CAESAR II was employed to analyze the pipeline model, the relationship between the piping system and its vibration characteristics was founded. Comparing the calculated data with the actual measurement data, the piping vibration solutions were come forward. The vibration-damping technology was used and dampers were installed on the suitable location of pipelines, while the pipeline was in the regular production. The actual engineering damping results show that the vibration of pipeline is reduced effectively and dropped to within safe limits, the pipeline system is ensured to operate safely.
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