(1) After the slurry pump stops running, close the suction and discharge valves of the slurry pump.

(2) After the slurry pump is cooled, turn off the power supply and valves of the instruments and instruments of the attached system in turn.

(3) Conveying high viscosity, easy crystallization, easy solidification, easy precipitation and other media slurry pump, after stopping the slurry pump should be timely washed with water, high pressure gas or other suitable media, wash the slurry pump and pipeline to prevent process pipeline blockage, restart to cause damage to the slurry pump.

(4) Drain the liquid stored in the slurry pump to prevent corrosion or freezing of the slurry pump parts.

(5) The high temperature slurry pump should be stopped in accordance with the provisions of the equipment technical documents, after stopping the car should be turned half a circle every 20min-30min, until the slurry pump temperature drops to 50℃.

(6) Low temperature slurry pump stop, when there is no special requirements, the slurry pump should be often filled with liquid; Suction valve and discharge valve should be kept normally open; For the low-temperature slurry pump with double-end mechanical seal, the filling pressure of the slurry pump should be maintained by the liquid level controller and the sealing fluid in the sealing chamber of the slurry pump.

(7) The slurry pump that is not used for a long time should be removed and cleaned with oil and packaged and sealed.

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