Roots vacuum pumps are now becoming increasingly popular due to their universal application. Now come to know the characteristics of Roots vacuum pump.
Roots vacuum pumps run with low vibration, large volume and volume utilization factor of about 0.5. Fast startup, vacuum can be reached in a short time. Less electric power, low maintenance cost. The rotor and pump chamber, rotor and rotor are spaced apart and do not contact each other and do not need to be lubricated with oil. The rotor has several symmetries, which can increase the rotational speed and then make a large pump with tight structure.
Compression such as mechanical vacuum pumps does not occur in the pump chamber, so there is no need for an exhaust valve. Consequently, condensable vapors can be removed. In a larger pressure range, there is a larger extraction speed, and the sudden release of gas can be quickly discharged, so that both diffusion pumps and oil-sealed mechanical pumps can make up for small defects. Thus, it is suitable for pressurized pumping use. The rotary subvariable capacitance vacuum pump, which needs the synergy of multi-directional pumps in order to operate, has a larger extraction speed in a larger pressure range, is insensitive to the dust and water vapor contained in the extracted gas, and is widely used in metallurgy, chemical industry, foodstuffs, electronics, paints, and other industries.
Roots vacuum pump uses two figure-of-eight rotors to make synchronous rotation in the pump chamber to complete breathing and exhausting. Roots pump is a kind of booster pump, usually used as other vacuum pumps, such as water ring vacuum pumps, screw vacuum pumps, etc. Each increase of one grade of Roots pump vacuum can be increased by one order of magnitude, but it can not be used directly. However, if a built-in anti-pass valve is installed between the inlet ports, it works as follows: it reduces the operating load of the Roots pump and the preceding vacuum pump under high differential pressure, which reduces the possibility of overloading the motor of the Roots vacuum pump when it is working and protects the motor.
Roots vacuum pump is a kind of mechanical vacuum pump with a pair of synchronized high-speed rotating shoestring-shaped rotor, which can not be suctioned individually, and the previous grade needs to be equipped with oil seal, water ring, etc., and can stand upright in the atmosphere.
Its structure and working principle are similar to that of Roots blower, and its suction port is connected with the vacuum container to be pumped or the main pump of vacuum system when it works. The machine that sucks the gas from inside the equipment and the pressure inside the equipment is lower than the air pressure is called vacuum pump. In fact, a vacuum pump is a gas conveying machine that conveys gases from a sub-atmospheric environment to an environment such as the atmosphere or atmospheric pressure.
In chemical production, vacuum pumps are often used to create some degree of vacuum to enable process operations. For example, suction action speeds up the filtration of solutions. When separating liquid mixtures, the distillation temperature can be reduced to avoid coking and decomposition that may occur in high temperature distillation.
These are the various characteristics of Roots vacuum pumps, which are used in petroleum, chemical, metallurgy, textile and other industries, and are becoming more and more popular. As long as the operating procedures are strictly observed, it can be well applied.
