Do you know the reason for the vibration of the small magnetic pump?

During the operation of a small magnetic pump, large vibration will endanger the safety of the pump, motor, and even the whole unit. There are many complex causes of vibration, so when encountering such problems, we must deeply analyze and find out the root causes and deal with them pertinently.

The following is the content introduction

1. The motor of small magnetic pump

2. Mechanical problems of small magnetic pump

3. Water pressure problem of small magnetic pump

4. Other problems of small magnetic pump

The motor of small magnetic pump

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.

Mechanical problems of small magnetic pump

The unbalanced mass, rough workmanship, poor installation quality of the rotating parts of the motor and small magnetic pump, the asymmetry between the motor axis and the pump shaft, the poor mechanical strength of the parts of the small magnetic pump, the wear and damage of the bearing and sealing parts, and the resonance between the rotating speed of the small magnetic pump and the frequency of the motor will produce strong vibration and noise.

Water pressure problem of small magnetic pump

The uneven inlet flow rate and air pressure of a small magnetic pump are the causes of vibration. The sharp change of pressure in the transmission pipeline caused by dynamic transition processes such as start-up and shutdown of the small magnetic pump, opening, and closing of the valve, and emergency shutdown is the cause of vibration.

Other aspects of a small magnetic pump

Unreasonable design of water pipeline or mismatch with small magnetic pump, unreasonable start-up and shutdown sequence of the unit, etc. will worsen the water inlet conditions, produce vortex, induce cavitation or aggravate the vibration of the unit and pump house. The uneven foundation supporting the small magnetic pump and motor will also lead to the vibration of the small magnetic pump.

In order to prevent relevant accidents caused by vibration during the operation of a small magnetic pump, when vibration is found, find out the cause as soon as possible and deal with it in time, so as to avoid more serious consequences.

Whether there is cavitation: open the outlet valve of the pump. When the flow reaches a certain amount, the pump suddenly makes noise and vibration, and then continue to open the large valve. If the flow still does not increase, it means that there is cavitation. In case of cavitation, exhaust operation shall be carried out. Note: the magnetic pump must not operate in the cavitation state. If it continues to operate in this state, it will cause early wear of the bearing.

Taicang magnetic pump Co., Ltd. was born in 1979. It cooperated with Shanghai Chemical Design Institute to form a unique core research project with magnetic drive pump, and achieved great success. It has become the first company in China to comprehensively design and produce magnetic drive pump. Today, Taicang magnetic pump Co., Ltd. has become a leading manufacturer of magnetic drive pumps in China, with many patents and 12 utility model patents.