Water ring pump stop pump operating procedures

Whether the water ring pump can be operated correctly is not only related to its service life, but also has an impact on its operation safety. In order to standardize the operation of the equipment during the operation process, the operation after pump stopping is also very important.

1. When stopping the pump, it is necessary to close the valve on the injection line of the pump body, close the sealing fluid valve, stop the motor, close the pump inlet and outlet valve, and make sure that the pump inlet and outlet valve is completely closed.

2. Isolate, empty and close the inlet valve of the pump, close the outlet valve of the pump, close the replenishment valve of the steam-water separator, and confirm that the inlet and outlet valve of the pump closes and opens the exhaust valve of the steam-water separator. Open the pump body vent valve and confirm that the medium in the pump is clean.

3. Delivery inspection confirms that the pump inlet and outlet valve is closed, confirms that the pump has been completely isolated from the system, confirms that the pump has been drained clean, the drain valve opens the vent valve, confirms that the motor is powered off. Get ready near the pump.

4, in addition, equipment and auxiliary systems need to be inspected and maintained.
(1) check whether the pump has abnormal vibration or murmurs.
(2) check whether the bearing temperature is normal.
(3) check whether the leakage of packing seal meets the requirements.
(4) check whether the cooling water is normal.
(5) check whether the static seal is leaking.
(6) if there is any impurity in the liquid in the pump, after the pump is stopped, open the bottom of the pump and empty the water.
(7) the equipment needs to be replaced after 2000 hours of operation.

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