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Rotary vane vacuum pump is a common type of vacuum pump that uses rotating blades or vanes to create a vacuum. The following is the working principle and some common uses of rotary vane vacuum pumps:
working principle:
Rotary vane structure: The rotary vane vacuum pump includes a rotary vane (also known as a rotary blade) and an elliptical fixed housing. The rotary blade is located inside the shell and maintains contact with it.
Rotating rotor: When the vacuum pump is started, the rotor begins to rotate at high speed. Usually, the rotor is driven by a motor or other driving device.
Centrifugal force: The rotation of the rotor generates centrifugal force inside the fixed shell. Due to the shape of the rotor, centrifugal force will draw gas in from the inlet and expel it outward.
Vacuum creation: When gases enter the pump, they are carried into the exhaust port by the motion of the rotor. This process leads to a continuous pumping process of gas from the inlet to the exhaust port, creating a vacuum.
Purpose:
Laboratory applications: Rotary vane vacuum pumps are commonly used in laboratory environments to prepare high vacuum or high vacuum conditions for experimentation, analysis, and testing. They are suitable for vacuum systems in mass spectrometers, electron microscopes, spectrometers, and other laboratory instruments.
Semiconductor manufacturing: Rotary vane vacuum pumps are used in the semiconductor industry for cleaning, deposition, etching, and thin film preparation processes. These applications typically require a very clean vacuum environment.
Medical equipment: In medical equipment manufacturing, rotary vane vacuum pumps are used for vacuum packaging and processing, such as preparing vacuum systems for X-ray tubes or electron microscopes.
Chemical industry: Rotary vane vacuum pumps are used in the chemical industry for separation, distillation, and drying processes. They can be used to process chemicals and solutions while ensuring high purity and high vacuum.
Food packaging: In the field of food packaging, rotary vane vacuum pumps are used to prepare vacuum sealed packaging to extend the shelf life of food.
Aerospace: Rotary vane vacuum pumps are equipment used in the aerospace field to simulate space conditions and test spacecraft.
