Many places can not do without the use of vacuum pump units, but also in use, some places are easy to be ignored, in order to prevent users from bringing some unnecessary losses during the use, it is necessary to understand: what places are easy to be ignored in the use of vacuum pump units?
General vacuum pump unit will choose the pump head is very high. For centrifugal water ring vacuum pump, after determining the model, the power consumption is directly proportional to the actual flow of the pump. The flow rate will decrease with the increase of lift, such as high head, small flow rate and low power consumption.
In order to prevent motor overload, the vacuum pump unit will require the actual pumping head of the vacuum pump, which can not be 60% lower than the rated head. Therefore, when the high head is used to pump water with too low head, the motor capacity will be overloaded, and in serious cases, the motor will be burned. In emergency use, to connect a gate valve to adjust the water flow on the outlet pipe, so as to reduce the flow and prevent overload of the motor.
It should be noted that if the motor temperature rise, the motor is too hot, it is necessary to turn off the water outlet flow or shut down in time. Many people will misunderstand this, some operators will feel: blocking the water outlet, forced to reduce its flow, can increase the motor load. This is not the case at all. Therefore, in the use of vacuum pump units, the problem of motor temperature rise should be solved in time.
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