What principle does Roots blower work on?

Roots blower relies on the following principles to realize gas suction, compression and discharge during operation:

Orthogonal screw structure: Roots blower contains two orthogonal rotating screws, called main rotor and secondary rotor respectively. The two screws mesh through gears, but they do not contact directly. The existence of this screw structure enables Roots blower to effectively inhale, compress and discharge gas.

Suction and compression process: when the main rotor and the rotor start to rotate, they create a closed working space in the tank body. During the suction process, the gas enters the working space through the air inlet. Because of the rotation of the screw, the gas is gradually pushed to the center of the working space, resulting in a gradual reduction in the volume of the space.

4. Gas compression: with the rotation of the screw, the gas is gradually compressed in the working space. The gear configuration of the main rotor and the slave rotor makes the gas continuously compressed during the rotation of the screw, resulting in a gradual increase in the pressure of the gas.

5. Exhaust process: when the gas is compressed to a certain extent, it is pushed to the gas outlet. The air outlet is located on the other side of the can body. At the gas outlet, the gas is released to the external environment.

To sum up, the working principle of Roots blower is based on the movement of two orthogonal rotating screws. Through the constantly changing volume of the working space, the gas is sucked in, compressed and discharged. This working principle makes Roots blower suitable for various applications requiring gas transportation, discharge and compression.

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