Vibration causes of small stainless steel fountain pump
Small stainless steel fountain pump vibration is very troublesome for us, not only affect the pump work, but also bring noise, so we analyzed the following four kinds of pump vibration reasons.
1, mechanical aspects
Motor and small stainless steel fountain pump rotating parts of unbalanced mass, rough shoddy, poor installation quality, the unit axis asymmetry, swing over the allowable value of parts of the mechanical strength and poor rigidity, bearing and seal components wear and tear, and the pump critical speed Appear with the natural frequency of the unit has been caused by resonance, will have a strong vibration and noise. In this case,
2, electrical aspects
Motor is the main equipment unit, the motor internal magnetic imbalance and other electrical system disorders, often caused by vibration and noise. If the asynchronous motor in operation, stator and rotor by the harmonic magnetic flux interaction between the stator and rotor radial alternating magnetic tension, or large-scale synchronous motor in operation, the rotor magnetic center is inconsistent or in all directions air gap Exceeding the allowable deviation value, etc., may cause the motor to vibrate periodically and make noise.
3, hydraulic aspects
Small stainless steel fountain pump inlet flow velocity and pressure distribution is not uniform, the pump inlet and outlet working fluid pressure pulsation, liquid flow, bias and flow, non-rated conditions and a variety of reasons, such as pump cavitation, are common cause Cause of vibration of pump. Pump start-up and shutdown, valve opening and closing, changes in working conditions and emergency shutdown and other dynamic transition process caused by rapid changes in water pressure within the pipeline and water hammer, etc., often lead to pump and unit vibration.
4, hydraulic and other aspects
The design of the inlet passage is unreasonable or does not match with the unit, the submergence depth of the pump is improper, and the sequence of starting and stopping of the unit is unreasonable, which will make the water condition worsen, produce vortex, induce cavitation or aggravate the unit and pump room vibration. When the siphon vacuum interrupting unit is used, if the humping air is difficult to be carried, the siphon time is too long; when the shutter door is broken, the unit door design is unreasonable; when it is closed, it constantly hits the door; Pump and motor base uneven subsidence or poor rigidity of the foundation and other reasons, will also lead to unit vibration.
Small stainless steel fountain pump vibration is very troublesome for us, not only affect the pump work, but also bring noise, so we analyzed the following four kinds of pump vibration reasons.
1, mechanical aspects
Motor and small stainless steel fountain pump rotating parts of unbalanced mass, rough shoddy, poor installation quality, the unit axis asymmetry, swing over the allowable value of parts of the mechanical strength and poor rigidity, bearing and seal components wear and tear, and the pump critical speed Appear with the natural frequency of the unit has been caused by resonance, will have a strong vibration and noise. In this case,
2, electrical aspects
Motor is the main equipment unit, the motor internal magnetic imbalance and other electrical system disorders, often caused by vibration and noise. If the asynchronous motor in operation, stator and rotor by the harmonic magnetic flux interaction between the stator and rotor radial alternating magnetic tension, or large-scale synchronous motor in operation, the rotor magnetic center is inconsistent or in all directions air gap Exceeding the allowable deviation value, etc., may cause the motor to vibrate periodically and make noise.
3, hydraulic aspects
Small stainless steel fountain pump inlet flow velocity and pressure distribution is not uniform, the pump inlet and outlet working fluid pressure pulsation, liquid flow, bias and flow, non-rated conditions and a variety of reasons, such as pump cavitation, are common cause Cause of vibration of pump. Pump start-up and shutdown, valve opening and closing, changes in working conditions and emergency shutdown and other dynamic transition process caused by rapid changes in water pressure within the pipeline and water hammer, etc., often lead to pump and unit vibration.
4, hydraulic and other aspects
The design of the inlet passage is unreasonable or does not match with the unit, the submergence depth of the pump is improper, and the sequence of starting and stopping of the unit is unreasonable, which will make the water condition worsen, produce vortex, induce cavitation or aggravate the unit and pump room vibration. When the siphon vacuum interrupting unit is used, if the humping air is difficult to be carried, the siphon time is too long; when the shutter door is broken, the unit door design is unreasonable; when it is closed, it constantly hits the door; Pump and motor base uneven subsidence or poor rigidity of the foundation and other reasons, will also lead to unit vibration.
Manufacturers recommend: Shenlong stainless steel fountain pump
Keywords:Small stainless steel fountain pump, vibration reasons
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