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Centrifugal pump occur vibration or noise

2013-01-07

The drilling fluid centrifugal pump plays an important role in solids control system, mainly used in extracting the drilling fluid which has viscosity and has solid particles, and it is the power source of desander, desilter and jet mud mixer.

 

If the centrifugal pump occurs vibration or noise, may caused by many reasons. The following are the solutions when the centrifugal pump occurs vibration or noise because of different reasons.

 

1 If there has residual air in the pump case or suction pipe, we should exhaust air from the vent valve or fill the pump again.

 

2 The liquid is vaporized in pump or suction pipe, we should reduce the resistance of suction pipe, reduce transport temperature or enter into pump with positive pressure.

 

3 The output volume of pump is very little, appear surge, we should increase flow or install bypass circulating pipe.

 

4 Pump shaft and driving machine axes are inconsistent, shaft is curving, we should    adjust axes, service and adjust pump shaft.

 

5 Bearing or sealing ring is wear too much and form rotor displacement, we should replace bearing, sealing ring, adjust axes.

 

6 The oil is too much in bearing case or too dirty, we should depend on the provision of oil level indicator to refuel or replace new oil.

 

7 There are some sundries blocking in the pump or pipeline, we should check and clear.