Roots vacuum pump (Roots pump) is a rotary varactor vacuum pump. It was evolved from a Roots blower. Roots vacuum pump according to the different scope of work, is divided into straight row of atmospheric vacuum Roots pump; vacuum Roots pump (also known as mechanical booster pump) and high vacuum multistage Roots pump.
　　
Roots pump maintenance and repair
　　
Roots pump in the use of proper maintenance and maintenance can not only improve the life of the pump also increased work efficiency, maintenance Roots pump should follow the following requirements.
　　
1, the oil change deadline according to the actual conditions of use and can meet the performance requirements and other considerations, at the discretion of the user.General new Roots pump, pumping clean and dry gas, it is recommended to change the oil about 100 hours of work. Can not see the black metal powder, the oil may be extended after the period.
　　
2, try to control the Roots pump flow and lift in the range indicated on the plate, in order to ensure the Roots pump at maximum efficiency point of operation, in order to get the maximum energy-saving effect.
　　
3, under normal circumstances, Roots pump work after 2000 hours should be overhaul, check the aging degree of glue seal, check the exhaust valve is cracking, cleaning the valve plate and exhaust valve seat on the dirt. Roots pump cavity components, such as the rotor, rotary blades, springs, etc .. General gasoline wash, and drying. After the rubber parts dry with a dry cloth can be. hurt.
　　
4, Roots pump long-term deactivation, the need to pump all open, dry the water, the rotation parts and joints coated with grease installed, safekeeping.
　
5, Roots pump to stop using, first close the gate valve, pressure gauge, and then stop the motor.
　　
6, Check the wear and tear of the shaft sleeve regularly, should be promptly replaced after larger wear.
　　
7, Roots pump in the winter season when used, after parking, you need to unscrew the lower part of the drain screw plug the media to the net. Prevent cracking.
　　
Roots pumps need to pay attention to the errors
　　
1, Roots vacuum pump must be equipped with fore pump, Roots pump can not be used alone.
　　
2, Roots pump is used in Roots vacuum unit, its role is to improve pumping speed and pump vacuum level. The Roots pump is equipped with a by-pass valve in the connection to the foreline pump, which effectively protects the Roots pump from bypassing if the foreline pumps are out of pumping or other factors that cause the entire unit to malfunction The valve Roots pump will now function to protect the Roots pump, thereby extending the life of the entire vacuum unit. Shanghai Roots Lu produced vacuum pumps are equipped with a bypass valve, users can rest assured that the use.
　　
3, when choosing Roots pump need to pay attention to is the Roots pump consumable seal is a kind of which Shanghai Lu produced Lu Roots pump are used mechanical seal way, which can effectively improve the Luo The efficiency of the work of the pump, if the Roots pump seal selection sleeve efficiency, then the work efficiency will be greatly reduced, the choice of Roots pump requires special attention.
　　
4, Roots pump in the course of the process if the resulting vacuum to reduce the need to check is indispensable at this time is the gap between the Roots pump rotor has changed, if the Roots pump rotor gap becomes larger, you need to replace Roots pump, because this type of Roots pump in the production and processing of the Rotor pump rotor is not static and dynamic balance, or is sealed with a sleeve.
　　
Roots pump maintenance and repair
　　
Roots pump in the use of proper maintenance and maintenance can not only improve the life of the pump also increased work efficiency, maintenance Roots pump should follow the following requirements.
　　
1, the oil change deadline according to the actual conditions of use and can meet the performance requirements and other considerations, at the discretion of the user.General new Roots pump, pumping clean and dry gas, it is recommended to change the oil about 100 hours of work. Can not see the black metal powder, the oil may be extended after the period.
　　
2, try to control the Roots pump flow and lift in the range indicated on the plate, in order to ensure the Roots pump at maximum efficiency point of operation, in order to get the maximum energy-saving effect.
　　
3, under normal circumstances, Roots pump work after 2000 hours should be overhaul, check the aging degree of glue seal, check the exhaust valve is cracking, cleaning the valve plate and exhaust valve seat on the dirt. Roots pump cavity components, such as the rotor, rotary blades, springs, etc .. General gasoline wash, and drying. After the rubber parts dry with a dry cloth can be. hurt.
　　
4, Roots pump long-term deactivation, the need to pump all open, dry the water, the rotation parts and joints coated with grease installed, safekeeping.
　
5, Roots pump to stop using, first close the gate valve, pressure gauge, and then stop the motor.
　　
6, Check the wear and tear of the shaft sleeve regularly, should be promptly replaced after larger wear.
　　
7, Roots pump in the winter season when used, after parking, you need to unscrew the lower part of the drain screw plug the media to the net. Prevent cracking.
　　
Roots pumps need to pay attention to the errors
　　
1, Roots vacuum pump must be equipped with fore pump, Roots pump can not be used alone.
　　
2, Roots pump is used in Roots vacuum unit, its role is to improve pumping speed and pump vacuum level. The Roots pump is equipped with a by-pass valve in the connection to the foreline pump, which effectively protects the Roots pump from bypassing if the foreline pumps are out of pumping or other factors that cause the entire unit to malfunction The valve Roots pump will now function to protect the Roots pump, thereby extending the life of the entire vacuum unit. Shanghai Roots Lu produced vacuum pumps are equipped with a bypass valve, users can rest assured that the use.
　　
3, when choosing Roots pump need to pay attention to is the Roots pump consumable seal is a kind of which Shanghai Lu produced Lu Roots pump are used mechanical seal way, which can effectively improve the Luo The efficiency of the work of the pump, if the Roots pump seal selection sleeve efficiency, then the work efficiency will be greatly reduced, the choice of Roots pump requires special attention.
　　
4, Roots pump in the course of the process if the resulting vacuum to reduce the need to check is indispensable at this time is the gap between the Roots pump rotor has changed, if the Roots pump rotor gap becomes larger, you need to replace Roots pump, because this type of Roots pump in the production and processing of the Rotor pump rotor is not static and dynamic balance, or is sealed with a sleeve.
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