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La vanure de sort d de l'arpinceur vibre beaucoup

2018-09-18View Original

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Dans une pompe de notre usinee,,,,,,一台水泵的电动出水阀DN5的阀门头(阀杆和阀门电动装置)在泵运行的时候振动很大(测震仪测),不知道是什么原因,出水管的振动不大(振动左右),不知道是什么原因。
Reply #22018-09-18
Si c'est un une van阀,可能是闸阀板震动引起的。
Reply #32018-09-18
Peut peut-être c'est que由于阀门开度不同,在特定的压力、流速、容腔形状条件下,在阀门腔内形成较大的湍流引起的。
Reply #42018-09-18
Le diamètre de出口管径太大,开度太小,阀前阀后压力太大也会响声很大。
Reply #52018-09-18
La pressure压力大,阀门开度太小。
Reply #62018-09-19
Le diamètre大,流量大,流速快,冲击力大,闸板节流严重,闸板前后压差大,引起剧烈的湍流,造成闸板振动剧烈,严重的话阀门阀板磕碰,阀杆变形,密封泄漏,阀门很容易损坏。

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