As is known to all, the vacuum pump mainly uses mechanical means to draw vacuum into the equipment. If there is leakage in these equipments, the vacuum effect is not achieved, and the vacuum pump cannot complete the vacuum operation. In order to let everyone master the relevant knowledge, Shanghai Yanhu Pump Industry Xiaobian talks with you about how to check whether the vacuum pump leaks.
1. Check whether the gravity return water of the vacuum pump speed control pump can lead the condenser. If the water return volume is small, the water seal bag cannot be sealed and the water pump seal water should be returned to the trench.
2. The vacuum pump vacuum damages the door and does not leak.
3, look at the vacuum pump condition of the extraction pipe and the cylinder can be connected to the local air leakage, where the leakage of air when the load is reduced, the vacuum is reduced, the vacuum rises slightly after the load increases.
4. Pay attention to the closed side of the steam outlet of the condenser, and do not leak.
5. Check whether the low-pressure heater water level under negative pressure conditions is normal, and whether the floor drain gate can be tight.
6. Ensure that the water level gauge of the vacuum system is not split or leaked.
7. It must be ensured that the water seal, pipe, flange or welded joint of the vacuum system valve is not tight, especially the expansion box or boiler start separator to the condenser pipe and valve port.
8. Keep the vacuum pump low-pressure cylinder exhaust steam safety door without any inhalation.
The vacuum pump and vacuum pump unit equipment must ensure the perfect sealing performance, especially the joint of the pipe, otherwise the vacuum pump will not work normally, and the expected effect will not be achieved.
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