Screw pump, liquid absorption of the cause and treatment methods

screw pump is not the cause of the liquid on the absorption, screw pump, liquid absorption of processing method

due to the working condition of screw pump use situation and requirements of each are not identical, will encounter all sorts of problems in the practical use. Screw pump in use process will encounter screw pump suction is not on the phenomenon of liquid, the screw pump suction is not on the liquid on the cause and the screw pump suction not processing method for reference as follows:

1. Had leaked due to suction fluid pipe or shaft seal in air is inhaled into the pump screw water pump has been in the condition of air, import pipeline can't form a negative pressure so screw pump suction liquid. Processing method is to check and repair pipe, eliminate clutter, replace the shaft seal.

2。 Because of the screw pump motor reversal will lead to the phenomenon of liquid on screw pump suction does not appear, adjusting the polarity of the motor connector.

3。 Because of the suction pulp is too dry, or in the dry state is why can't screw pump suction liquid, this kind of situation can only be diluted or add enough pulp mouth to feed.

4。 Conveying liquid viscosity is too high can also lead to screw pump suction liquid, if it is the cause of the liquid viscosity is too high can only reduce the speed of the screw pump and raise the temperature of the liquid to switch its viscosity reducing or vertical screw pump products.

5。 Can't use for a period of time of screw pump suction liquid is likely to be caused by damage of stator and rotor, check to replace a new stator or rotor can solve a problem. Screw pump structure view of the stator and the rotor position can be reference.

6。 On the import and export pipeline valve is not opened or insufficient, open the import and export valves.

7。 Packing seal of the screw pump can be packing wear, mechanical seal face screw pump mechanical seal may damage or wear, pressure or change the packing, replace damage of mechanical seal mechanical seal.

8。 Due to the inside of the liquid solid particle size is too big can also lead to screw pump suction not liquid for screw pump clearance between rotor and stator is a very small if the particle is too large to enter screw pump working chamber will appear jams phenomenon, this kind of situation only adjust the solid particle size or switch to self-priming sewage pump if average particle diameter is too big of self-priming sewage pump self-priming sewage pump is not up to only choose open impeller to solve it.

9。 Because of the screw pump after downtime sediment formed a solid or liquid at low temperature solidification between rotor and stator jammed rotating difficult phenomenon, should immediately flush the water pump body when so downtime, when necessary, should also be open pump body wash, if the temperature of the liquid is low after solidification, then you should raise the temperature of the liquid and to provide heat preservation measures pump, also can choose insulation submerged pump.

recommend related products: high viscosity of single screw pump

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