The National Large Scientific Research Equipment "Development of Large-scale Low-temperature Refrigeration Equipment" supported by the Ministry of Finance and the Institute of Physical and Chemical Technology of the Chinese Academy of Sciences passed the acceptance on the 29th. It is reported that the equipment can not only meet the needs of large-scale refrigeration equipment in the liquid hydrogen temperature zone, but also promote the development of advanced technologies in related fields.
The large-scale cryogenic technology in the liquid hydrogen temperature zone is a major key technology that has long affected China's aerospace industry and the forefront of scientific development, especially the large-scale low-temperature refrigeration technology required for aerospace engineering. The developed countries have always imposed a technical blockade on China.
In order to break the long-term passive situation, the researchers of the Chinese Academy of Sciences have adhered to the path of independent innovation on the basis of decades of accumulated low-temperature technology. Through more than four years of hard work, China has achieved a low-temperature cooling capacity of 10,000 watts in the liquid hydrogen temperature zone. Zero breakthrough in equipment development. Researchers have broken through five key technologies such as high-speed gas bearings, turboexpanders, and established five basic test platforms. They have formed core technologies and technology packages with independent intellectual property rights, and their comprehensive performance has reached the international advanced level.
The large-scale low-temperature refrigeration equipment developed by Chinese scientists in the liquid hydrogen temperature zone has broad application prospects in aerospace, large-scale scientific projects, clean energy and other fields. Related equipment has been successfully applied to aerospace product performance testing, and has enhanced the research and development capabilities of aerospace products.
At the acceptance meeting, experts agreed that the completion of the project has broken the monopoly of large-scale low-temperature refrigeration technology in the liquid hydrogen temperature zone in developed countries and laid the foundation for independent development of serialized products. It is a major scientific research with strong integration and engineering. Equip with independent innovation and industrialization model has accumulated valuable experience.
At present, the Chinese Academy of Sciences has launched the second phase of the development of large-scale cryogenic refrigeration equipment, and will develop large-scale low-temperature equipment (liquid helium/superfluid helium) to promote the continuous development of large-scale cryogenic refrigeration technology.
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