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["증기를 증발시키는 증기터빈의 증발펌프에서 공기를 배출하는 방법은 무엇인가요?", ["증발펌프 내부에서 공기 침식 소리와 압력 변동이 발생했습니다.请问各位大神,如何才能很好地排除空气呢", ["입구에는 공기 배출밸브가 설치되어 있어야 하며, 공기 배출밸브는 항상 열려 있어야 합니다" "중간 매체 즙기수의 온도는 항상 감소할 수 없습니다.始终常开" "터빈의 배출부는 일정한 진공 �真空度" "증발펌프의 입구 압力应该是低于大气压的 应该低于大气压的,,你所说的气体可能是冷凝器的出口到泵的入口之间有不凝气体存在 �这种情况在泵检修后会存在. 机泵的平衡阀如果没有打开 尙会出现你所所讲的现象 �这只是一种推测 应该是冷凝液的冷凝温度与真空度相关 应该不会降低的" "你说的这种情况我是知道的 还可能是凝结水泵填料密封漏气等等 两泵同时启 应该是有一台正常 歘一台出口压力正常 �只不过有气蚀的声音 但是把正常那台停掉后 �发生气蚀声音的机泵就又不稳定了"

2018-02-28View Original

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凝结水泵内有气蚀声音,出口压力波动。请问各位大神,如何能很好的排气呢
Reply #22018-02-28
入口应该设有排气阀,排气阀应该长开
Reply #32018-02-28
排气阀始终常开,介质凝结水温度不可能降低的
Reply #42018-02-28
汽轮机的排气端是有一定的真空度的,凝结水泵的入口压力应该是低于大气压的,你所说的有气体可能是冷凝器的出口到泵的入口间有不凝气存在,这种情况在泵检修后会存在。机泵的平衡阀如果没有打开,就会出现你所讲的现象。这只是一种推测。 冷凝液的冷凝温度与真空度相关,一般不会减低的。
Reply #52018-03-01
你说的这种情况,我是知道的。还有可能是凝结水泵填料密封漏气等等。两泵同时启,一台正常,另一台出口压力正常,只不过有气蚀的声音。把正常那台停掉后,发生气蚀声音的机泵就又不稳定了。

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