Roots vacuum pump operation

Roots vacuum pump operation and maintenance problems

1.Start the Roots vacuum pump and prohibit the outlet overpressure during the operation of the pump. If the outlet is over-pressurized when the pump is started, the light motor will trip and the pump will not start. The heavy one may damage the equipment; during the operation, the outlet is over-pressurized, the load of the pump increases, and the motor trips in severe cases.

2.Start or switch the Roots pump when the vacuum is at a minimum. That is, when the two towers are switched and evacuated, the Roots pump is started or switched. At this time, the pump inlet pressure is the highest, the pump outlet pressure is close to the pump, and the starting load is minimum. In an emergency, the pump should be prevented from starting and switching at a high vacuum.

3.When starting, close the inlet valve and open the inlet valve quickly after starting. According to the design requirements of the Roots vacuum pump, the pump inlet and outlet valves need to be fully opened before the pump is opened. However, in actual operation, it is difficult to ensure the tightness of the outlet check valve. If the inlet and outlet valves are fully opened, the pump will be reversed. At this time, the pump is started. It can't start because of the large starting load. According to the actual situation, the pump outlet valve is fully opened, and the inlet valve is slightly opened to ensure that the pump does not reverse. After starting the motor, the inlet valve is quickly opened.Rotary Vane Vacuum Pump

4.According to the Roots vacuum pump body temperature and outlet temperature to determine the operating state of the pump. Because the noise of the Roots pump is large, the sound of the pump is light and heavy as the load changes. It is difficult to judge the operation of the equipment from the sound during the inspection. Judging the running condition of the equipment mainly depends on the temperature of the pump body and the change of the temperature of the first and second outlets. The temperature of the pump body is more important because the outlet temperature reflects the temperature slower than the pump body. Once the pump outlet temperature rises, the pump body temperature rises faster. It may be too late to process the pump.Molecular Vacuum Pump Price