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[Chemical Knowledge]：Working principle of screw vacuum pump

Read： 607 Time：13months ago Source：Transform the World with Simplicity

Screw vacuum pump is a device that squeezes gas into a vacuum chamber to form a vacuum environment by rotating a screw. It is one of the most widely used vacuum pumps in modern industry. Compared with other types of vacuum pumps, screw vacuum pumps have the characteristics of high efficiency, low noise, low vibration, safety and reliability, and easy maintenance.

Next, we will understand the specific working principle of the screw vacuum pump. We need to know the structure of the screw vacuum pump. Screw vacuum pump is divided into two main parts: active screw and stationary screw. The active screw is the part responsible for rotating and squeezing the gas, and the stationary screw does not rotate as the main flow path of the gas.

When the screw vacuum pump starts to work, the active screw will start to rotate and gradually enter the air cavity of the stationary screw. At the same time, the gas will follow the rotation of the active screw and be squeezed and sealed into the cavity between the screws, and gradually pushed into the tail coagulation chamber with the rotation. In the coagulation chamber, the gas is solidified or cooled and then discharged out of the pump body.

In general, the screw vacuum pump uses two intermeshing rotating screws to suck the gas into the pump from the suction port, and then due to the gradual reduction of the volume of the screw, the gas is compressed to form a higher pressure, and the gas is discharged into the vacuum chamber.

Through the above introduction, we can see that the main working principle of the screw vacuum pump is to gradually squeeze the gas into the vacuum chamber by rotating the screw, thereby forming a vacuum environment. Although the device is simple to use and easy to operate, screw vacuum pumps are widely used in many industries. The working principle of the

screw vacuum pump is to squeeze the gas through the rotation of the screw and gradually form a vacuum environment. It has the characteristics of high efficiency, low noise, low vibration, safety and reliability, and easy maintenance, and is widely used in various industries.

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