Rotary vane vacuum pump analysis - the lining abrasion problem

rotary vane vacuum pump operation is relatively stable in actual use. Vacuum pump running time is long, the lining of the wear serious, influence the normal production and use of the vacuum pump effect. Vacuum pump to work long hours when they wear. Here, the author analyzes the reasons of rotary-vane vacuum pump are wall wear and matters of attention in the actual operation.

rotary vane vacuum pump is a special refrigeration system vacuum equipment. The rotor outer circle and inner surface tangent pump cavity. During operation, the rotating plate by centrifugal force and the spring tension at the top of the keep in contact with the pump cavity of the cavity wall. When the rotor rotates, it drives the rotor sliding along the inner wall of the pump housing. When the rotor in a horizontal position, the inner cavity of the pump into the discharge and suction cavity, when the rotor in a vertical position, the inner cavity of the pump can be divided into the cylindrical discharge and suction cavity. When the vacuum pump operation, the rotor blades are always separate the air outlet of the pump and the air outlet. When vacuum pump clockwise, the amount of air suction cavity gradually increase, pressure decreases, the air from the air inlet suction pump body. At the same time, the amount of air exhaust cavity gradually decreases, the pressure gradually increase. After reaching certain pressure, exhaust valve is opened. After the air through the pump in the lubricating oil, from the vent discharge pump body.

rotary-vane vacuum pump are the reason of the lining abrasion

rotary vane vacuum pump with vacuum oil as sealing medium, the effect of oil is not only the seal, and lubrication. The deterioration of oil will lead to the deterioration of performance, which will be easy to add to the wall of pump wear. If pumping gas contains water vapor, vapor to enter in the pump chamber, vacuum oil emulsification, this will also resulting in a decline in the performance of the oil. Another case is that the large exhaust volume is easy to lead to the lining abrasion. How to understand? Vacuum pump is a vacuum equipment. If long time cannot obtain the vacuum pump load will be very big, prone to wear and tear.

the lining of the wear phenomenon is very common in the chemical industry. How to maintain the vacuum pump? We can choose other more suitable model to replace, it not only ensures your interests, also save your cost.

rotary vane vacuum pump at ordinary times the matters of attention in the actual operation:

1. Often pay attention to oil level.

2。 The pump starts, slowly open the valve.

3。 Often pay attention to the pump operation is normal, do you have any special voice, if motor overload operation.

4。 Pay attention to the cooling water is interrupted.

5。 Note the temperature rise of the pump is not more than 40

6. If the temperature of the rotary vane vacuum pump after downtime dropped to below 5, must remove the cold water in the pump.

7。 Vacuum pump stops, the inlet and outlet should be using the plastic plug plug, in order to prevent the air and dust into the affect its use.

8。 x - 250 rotary vane vacuum pump before each use, check the water pump in the lubricating oil level is in line with the requirements, to ensure its safe use.