浅谈离心泵反转的危害及防范

Discussion on Harm and Prevention of Reverse Rotation of Centrifugal Pumps

离心泵的反转是影响其安全运行的一个重大隐患,因其反转而引发的事故屡见不鲜。因此,在离心泵的运行工作中,应特别注意泵的反转问题,做好相应的防范工作。离心泵的反转可分为主动反转和被动反转。离心泵不正常的反转都会对离心泵、电动机、现场输送管路等造成重大损害。为保证离心泵机组的安全运行,可以通过改进工程设计、增加管路辅助装置、合理操作运行等方法来进行防范。在实际运用中,应根据实际情况,充分考虑离心泵反转问题,尽可能采用经济适用、安全可行的防范措施,以提高离心泵机组运行的可靠性。

The reverse rotation of centrifugal pumps is one of the most important hidden dangers about pumps＇ running. There are a lot of accidents are caused by the reverse rotation of centrifugal pumps. So special attention should be paid to the reverse rotation of centrifugal pumps.And it is necessary to do a good job in pumps＇ safety work. The reverse rotation of centrifugal pumps can be divided into initiative and passivity. The abnormal reverse can cause damages to centrifugal pumps, electric motors, and pipelines. In order to ensure the safe operation of the centrifugal pumps, it is logical to take precautions, such as improving engineering design, installing assist devices, operating normatively and so on. In application process, one must fully consider the reverse rotation of centrifugal pumps. The pervention must be as logical as possible to improve the reliability of centrifugal pumps. It must be inexpensive, applicative, safe and feasible.