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2018-05-09View Original

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Une question sur d'un pompe à tourbill
Reply #22018-05-09
2
Reply #32018-05-09
user
Reply #42018-05-09
继续未完成的翻译任务。
Reply #52018-05-09
a.旋喷泵流量范围本身就很狭窄,打开出口阀门即在大流量下运行,超功率过载保护; b.小流量时出口压力很大,时间长介质内能不断增加,介质温度升高损坏集流管,叶轮等; c.备用泵总是坏,考虑厂家质量问题,目前我公司生产的旋壳泵还未发现类似问题; 解决问题方案: 1.按照**标准,额定工况下功率应保持25%富余量,可能是与厂家沟通时没有明确大流量下不超功率,应保持在额定点工作,如果还是超功率,一般来说,旋喷泵电机为变频电机,调解电机频率,可降速运行; 2.尽量避免关闭阀门或者开度很小时使用; 3.直观认为设备选型存在较大问题,参数设置偏离额定工况,短时间内运行不会引起大的问题,但是长此以往对生产不利,建议联系厂家解决问题或者重新选型泵型。
Reply #62018-08-02
旋壳泵出口压力高,所以开小了憋压。 这种情况出现多久了?是生产开式就有还是最近才有的呢

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