(1) The medium conveyed by the vacuum pump is pressed too tightly; Solution: Loosen the packing gland of the water ring pump.
(2) The speed of the vacuum pump is too high; Solution: Reduce the speed of the water ring pump.
(3) The power of the motor supporting the vacuum pump is too low; Solution: Adjust the matching motor and replace it.
(4) The bent bearings of the pump are worn or damaged; Solution: Correct and straighten the pump shaft, repair or replace the bearing.
(5) Something may be stuck; Solution: It is necessary to check if there are foreign objects blocking the outlet and inlet pipelines, and then check if there is anything blocking inside the pump.
(6) The actual use head is too much smaller than the head of the water ring pump, and the bearing flow rate is too large; Solution: Turn down the outlet valve to control the flow rate of the water ring pump.
(7) The corresponding viscosity and density in the process medium exceed the indicators; Solution: Check the composition of the material to ensure that the viscosity is close to the density and design value, which can be adjusted by process operators.
(8) During the startup process of the water ring pump, all outlet valves are opened, and the resistance inside the outlet pipeline is very small; Solution: Close the outlet valve and slowly open the outlet valve after starting the water ring pump.
(9) The balance tube is not unobstructed; Treatment method: Dredge the balance pipe.
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