Development process of magnetic suspension blower bearing in China

The research on the bearing of electromagnetic suspension blower in China started relatively late and just went out of the laboratory stage, lagging behind foreign countries for about 20 years. The research progress of magnetic bearings in China is very slow. However, due to the outstanding advantages of AMB in some special occasions, Tsinghua University, Xi'an Jiaotong University, Nanjing University of Aeronautics and Astronautics, Shanghai University and other universities have carried out relevant research and achieved many research results, but mainly in theory. Analysis and research, industrial applications are still scarce.

Nanjing University of Aeronautics and Astronautics is one of the active units in the research field of electromagnetic suspension blower bearings in China. At present, China has made many research achievements in the field of electromagnetic levitation. The research direction of China Southern Airlines mainly focuses on high-temperature magnetic bearings. Engaged in the pharmaceutical industry such as aero-engine, drilling machine, electric spindle, bearingless motor, high-speed centrifuge (incomplete suspension).

Tsinghua University is one of the earliest magnetic bearing research institutions in China. Mainly engaged in industrial application research of electromagnetic bearings. The magnetic bearing of the university is basically separated from the laboratory. The self-developed magnetic bearing is used in the 10 MW high temperature gas cooled reactor nitrogen turbine power generation project. The working speed of the turbo compressor is 15000r / min and the power is 2500 kW.

The bearing Research Institute of Xi'an Jiaotong University has been engaged in the research of magnetic levitation technology since 1985. Researchers from Xi'an Jiaotong University believe that there is no substantive difficulty in the technology of electromagnetic levitation bearing. China has 10 years of theoretical preparation and accumulation, and has mastered many key technologies of electromagnetic suspension bearing. Many of these technologies were first proposed in the world and cited by other units in the world.

Tianrui heavy industry has established a Maglev Technology Research Institute jointly with the leading universities in the field of Maglev research in China, and cooperated with the leading talents of maglev and other related disciplines to cultivate free high-tech talents and research and development technologies. The magnetic levitation blower developed and produced by Tianrui heavy industry has been evaluated by China high tech Industrialization Research Association as "the energy-saving and noise reduction effect of the magnetic levitation centrifugal blower independently developed by Tianrui has reached the international advanced level".

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