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["Проблемы с расширительными на линии подачи катализатора"

2017-09-19View Original

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["При запусе компрессора обнаружилось, три из挠性节紧挨着增压机的进出口管线(入口一个、出口两个)。感觉这里的温差应该不大,这里的膨胀节有什么作用?希望各位老师给予指导,谢谢!"
Reply #22017-09-19
["По определению расширительных,可以看出在增压机中增设它们是为了补偿机械振动引起的附加应力。在往复真空泵上上也有该设备。通常也称为补偿器或伸缩节。由构成其工作主体的波纹管(一种弹性元件)和端管、支架、法兰、导管等附件组成。膨胀节是为了补偿因温度差与机械振动引起的附加应力,而设置在容器壳体或管道中的挠性结构。利用其工作主体波纹管的有效伸缩变形,以吸收管线、导管、容器等由热胀冷缩等原因产生的尺寸变化,或补偿管线、导管、容器等的轴向、横向和角向位移。也可用于降噪减振、供热,为了防止供热管道升温时由于热伸长或温度应力而引起的管道变形或破坏,需要在管道中设置补偿器,以补偿管道的热伸长,从而减小管壁的应力和作用在阀件或支架结构上的作用力。"
Reply #32017-09-20
""Так что компрессору не нужны расширительные,可以设计成膨胀弯加上弹簧吊架不就行了?"
Reply #42017-09-20
""出口管线有一个可能是蝶式单向阀,和膨胀节有点类似!"
Reply #52017-09-20
""Старший преподав,你的回答真是太专业了,谢谢!"
Reply #62017-09-20
""Так что компрессору установлены для компенсации дополнительных стрессов,增压机增设是为了补偿机械振动引起的附加应力,吸收膨胀给管线带来的位移。"

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