Single screw pump to meet not on liquid absorption?

2019 - 10 - 17

single screw pump to meet not on liquid absorption? Single screw pump met not liquid absorption fault reasons and treatment methods are as follows: one, due to the absorption liquid pipe or shaft seal for leaks can lead to the air is inhaled into the single screw pump, the single screw water pump will is in a state of air, import pipeline can't form a negative pressure so screw water pump suction liquid. Processing method is to check and repair pipe, eliminate clutter, replace the shaft seal. Second, single 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 is ok. Three, 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. Four, transmission of liquid viscosity is too high can also lead to screw pump suction liquid, if it is the problem of 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. Five, in the use of a period of time can't single screw pump suction liquid is likely to be caused by damage of stator and rotor, check it is ok to replace the stator or rotor. Six, import and export pipeline valve is not opened or insufficient, open the import and export valves. Seven, single screw pump packing seal 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 is ok.

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