The reasons for the vibration of the water pump to the water pump are as follows

manufacturers analyze the reasons for pump vibration as follows: vibration analysis causes many reasons for the vibration of the unit and the water pump house building, and some factors are both connected and interacting. In summary, there are mainly the following four reasons. 1. Electrical: The motor is the main equipment of the unit. The internal magnetic imbalance of the motor and the imbalance of other electrical systems often cause vibration and noise of the submersible pump. For example, in the operation of an asynchronous motor, the radial alternating magnetic pull between the stator and the rotor generated by the interaction of the stator and rotor tooth harmonic magnetic flux, or the large synchronous motor in operation, the stator and rotor magnetic center is inconsistent or the air gap difference in all directions Exceeding the allowable deviation value, etc., may cause the motor to periodically vibrate and make noise. 2. Mechanical aspects: unbalanced quality of the rotating parts of the motor and water pump, poor manufacturing, poor installation quality, asymmetric axis of the unit, swing exceeding the allowable value, poor mechanical strength and rigidity of parts, wear and damage of bearings and sealing parts, and water pumps Vibration and noise are caused by the resonance of the critical speed and the natural frequency of the unit. 3. In terms of hydraulic power: uneven flow rate and pressure distribution at the inlet of the pump, pressure pulsation of the working fluid at the inlet and outlet of the pump, liquid bypass, drift and de-flow, non-rated working conditions and water pump cavitation caused by various reasons are common. The cause of the vibration of the pump unit. The rapid changes in pressure in the water pipeline and the effect of water hammer caused by dynamic transition processes such as pump startup and shutdown, valve opening and closing, changes in working conditions, and emergency shutdown of accidents, etc., also often cause vibrations in the pump room and unit. 4. Hydraulics and other aspects: the unreasonable design of the unit inlet channel or the unmatched unit, the improper submergence of the pump, and the unreasonable sequence of starting and stopping the unit, etc., will deteriorate the water inlet conditions, generate vortex, and induce cavitation. Or increase the vibration of the unit and pump room. When the unit that uses the vacuum interrupter to break the siphon is started, if the air entrainment in the hump section is difficult, the siphon time is too long; the design of the shutter door of the shutter door is unreasonable, and it opens and closes constantly, constantly hitting the door seat; Uneven subsidence of the foundation of the pump and motor or poor rigidity of the foundation will also cause the unit to vibrate. Water pump factoryu003c/pu003e
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