中间冷却器;
Screw compressor interstage cooler is widely used in the petroleum, chemical and other production process.
螺杆式压缩机系统中的冷却器在石油、化工等生产过程中应用很广泛。
On the basis of historical records of maintenance and operation, abnormal vibration of DH air compressor was analyzed using frequency spectrum analysis method. It was found that the rust was washed off from interstage cooler into the flow passage of impeller to cause imbalance.
结合历次检修及运行记录,利用频谱分析方法对DH型空气压缩机的异常振动进行分析,判定出产生振动异常的原因为级间冷却器的锈蚀物冲刷至叶轮流道上造成不平衡。
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