大型工艺螺杆压缩机振动分析及解决措施

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针对新投用的3台火炬气回收螺杆压缩机组出现振动偏大的问题,通过现场振动监测频谱分析和对机组管线布置相结合的方法,找出了机组振动偏大的主要原因,并提出了相应的改进措施,成功的解决了机组振动大的问题,确保了机组安全平稳长周期运行。 For the problem of three screw compressors vibration too large in the new exhaust recovery, the combining method of the scene vibration monitoring and spectrum analysis and the layout of the pipeline unit was used. The main reason for vibration was found out, the improved measure was related to be made. Compressor vibration problem was successfully solved, ensuring the compressor＇ s safe and stable long-term running.