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Development history of vacuum pumps
abstract： With the development of vacuum applications, there have been many types of vacuum pumps, with pumping speeds ranging from a few tenths of a second to hundreds
With the development of vacuum applications, there have been many types of vacuum pumps, with pumping speeds ranging from a few tenths of a second to hundreds of thousands or millions of liters per second. With the increasing demand for the pressure range of vacuum technology in the fields of production and scientific research, it is mostly necessary to form a vacuum pumping system consisting of several vacuum pumps to jointly pump air in order to meet the requirements of production and scientific research processes. Due to the wide range of working pressures involved in vacuum application departments, no type of vacuum pump can be fully applicable to all working pressure ranges. Different types of vacuum pumps can only be used according to different working pressure ranges and working requirements. For the convenience of use and the needs of various vacuum processes, sometimes various vacuum pumps are combined according to their performance requirements and applied in the form of units.
Commonly used vacuum pumps include dry screw vacuum pumps, water ring pumps, reciprocating pumps, slide valve pumps, rotary vane pumps, Roots pumps, and diffusion pumps. These pumps are essential main pumps in the application of vacuum technology in various industries of China's national economy. In recent years, with the sustained high-speed development of China's economy, the downstream application industry of vacuum pumps has maintained a rapid growth momentum. At the same time, driven by factors such as the continuous expansion of the vacuum pump application field, China's vacuum pump industry has achieved sustained, stable, and rapid development.
Commonly used vacuum pumps include dry screw vacuum pumps, water ring pumps, reciprocating pumps, slide valve pumps, rotary vane pumps, Roots pumps, and diffusion pumps. These pumps are essential main pumps in the application of vacuum technology in various industries of China's national economy. In recent years, with the sustained high-speed development of China's economy, the downstream application industry of vacuum pumps has maintained a rapid growth momentum. At the same time, driven by factors such as the continuous expansion of the vacuum pump application field, China's vacuum pump industry has achieved sustained, stable, and rapid development.