Vacuum pump maintenance knowledge

The function of vacuum pump maintenance is to extract gas molecules from the vacuum chamber, reduce the pressure of the vacuum chamber, so as to achieve the required vacuum. Generally speaking, there is a large range from the atmosphere to the very high vacuum, and so far no vacuum system can cover this range. Therefore, in order to meet the technical specifications of different products, work efficiency and equipment life requirements, different vacuum sections need to choose different vacuum system configuration.

Vacuum pump maintenance knowledge:

1. Check the oil level regularly. If it does not meet the requirements, it must be adjusted to meet the requirements. When the vacuum pump is running, the oil level will go to the oil standard center.

2. The period of oil change shall be considered according to the actual use conditions and whether the performance requirements can be met, and shall be decided by the user at his discretion. When the new vacuum pump is used to remove clean and dry gas, it is recommended to change the oil once every 100 hours. After the black metal powder is not seen in the oil, the oil transfer period can be extended appropriately.

3. Check the oil quality frequently and find that the new oil should be replaced in time to ensure that the vacuum pump works normally.

4. In general, the vacuum pump should be repaired after 2000 hours of work, check the aging degree of the seals, check whether the exhaust valve discs crack, clean up the sediment deposited on the valve discs and the exhaust valve seat. Clean parts of the entire vacuum chamber, such as rotor, rotary vane, spring and so on. Usually wash and dry with petrol. After cleaning the rubber parts, dry them with dry cloth. When cleaning and assembling, handle with care gently and carefully.

5. Add bearing lubricating oil to the bearing body. The oil level should be observed at the center line of the oil mark. The lubricating oil should be replaced or supplemented in time.

6.check the vacuum pump pipeline and whether there is any loosening at the junction. Turn the vacuum pump by hand to see if the vacuum pump is flexible.

7. After reassembly, test run should be carried out. Generally, it must run empty for 2 hours and change oil twice, because there will be a certain amount of volatile in the vacuum pump when cleaning, and then put into normal work after normal operation.

2BE1 Series Liquid Ring Vacuum Pump

8.start the motor, when the normal operation of vacuum pump, open the outlet pressure gauge and vacuum pump, depending on the show after the appropriate pressure, and gradually open the valve, and check the motor load conditions.
The range of

9. indicating to control the flow of vacuum pump and head on the plate, in order to ensure the operation of vacuum pump in the highest efficiency, to maximize energy saving effect.

10. when the vacuum pump should stop using, first close the gate valve and pressure gauge, then stop the motor.

11.vacuum pump during operation, the bearing temperature can not exceed the ambient temperature 35C, the highest temperature shall not exceed 80C.

12.the vacuum pump in the first month of work, after 100 hours to replace oil, after every 500 hours, oil change time.

13. Adjust the packing gland regularly to ensure that the leakage in the packing room is normal.

14. regularly check the wear of the axle sleeve, and replace it in time when the wear is large.

15. vacuum pump long-term disabled, need to pump all apart, dry water, the combination of rotating parts and apply grease to pack, safekeeping.

16. the vacuum pump used in the winter season, after stopping the pump body, lower drain plug unscrew medium on the net. Prevent frost crack.

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