基于单管分析的压缩机管线系统整体振动控制

Overall Compressor Pipeline Vibration Control Based on Single Analysis

压缩机管线振动的根源在于压缩机气流脉动,目前的系统振动改造方案以单管局部模型分析居多,未考虑现场实际各部件是个相互结合的整体。为此,本文提出一种基于单管分析的整体振动控制压缩机管线系统振动的方法,即"单管分析,整体校验"的分析方法,首先对单管和整套装置进行了模态和谐响应等振动分析,快速发现改造部位,然后利用更加符合现场实际情况的一体化振动模型进行效验。本方法大大节省了运算时间,使振动能量趋于均匀化,是进行压缩机管线系统振动控制的一种有效途径,为管线系统的减振研究人员提供方便和新的思路。经过工程实践应用证明,振动控制效果良好,可用于指导工程实践。

The compressor pipeline vibration is the root of the compressor reciprocating motion,in the range of memory is normal in a certain pressure,but should be avoided in the pipeline and gas pipeline column mechanical structure interaction and cause vibration exceed the standard value.The vibration system reconstruction scheme at present by single local model analysis is in the majority,minority integration analysis model and the compressor and ancillary equipment as a fixed end processing is simplified,without considering the actual components is a combination of the whole,with the auxiliary equipment system in vibration.Therefore,this paper proposes a single compressor pipeline system analysis of the whole vibration control method based on the single analysis method of calibration,firstly,the single and the whole device of vibration modal analysis and harmonious response quickly found that the transformation of parts,then use more in line with the integrated vibration model of the actual situation of the check.This method greatly reduces the computing time,the vibration energy tends to be uniform,is an effective way to compressor pipeline vibration control systems,providing convenient and new ideas for the research of pipeline system vibration.It has been proved by engineering practice that the effect of vibration control is good and can be used to guide engineering practice.