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According to CCTV news reports, a few days ago, China's lead-based fast neutron reactors made major breakthroughs in research and development, and the core technologies of lead-based reactors have become autonomous and have reached the world's leading level. Using this technology, China will also take the lead in launching the nuclear power device “nuclear power treasure†with container size only.
Recognized by the expert group, the world's largest and most comprehensive "lead base reactor coolant technology comprehensive experimental circuit" and "lead base reactor coolant oxygen measurement and control technology" designed and researched by the Institute of Nuclear Energy Safety, Chinese Academy of Sciences, experimental ability and operation The parameters reached the international leading level and achieved the core technology autonomy.
Coolant is equivalent to "blood" in nuclear reactors. Metal lead-based alloys are used as coolants to replace water coolants in conventional nuclear power plants. Currently considered to be one of the safest cooling materials for nuclear facilities, it is not only effective. To avoid serious disasters like the Fukushima nuclear power plant, it is also possible to extend the utilization of nuclear fuel resources to the millennium level. Therefore, lead-based reactors can be used in fourth-generation nuclear power plants, future fusion power stations, etc., and can also play a role in industrial production such as desalination, thus promoting the development of clean energy.
According to reports, the research on nuclear energy safety technology of the Chinese Academy of Sciences is undergoing systematic experiments and engineering validation of lead-based reactors. It plans to develop the first nuclear power supply device “nuclear power treasure†with a container size to meet the island’s offshore platforms and remote areas. Distributed power supply requirements.
Observer Network noted that in April this year, there were reports that the Institute of Nuclear Energy Safety of the Hefei Institute of Physical Sciences, Chinese Academy of Sciences built China's first experimental equipment for the key technology of lead-cooled fast reactor—high temperature liquid pure lead experimental circuit, and successfully debugged.
The device adopts pure lead as the circulating working fluid and has a designed operating temperature of 600°C. It has the ability to carry out research on corrosion of lead-cooled fast reactor structural materials, passive thermal safety cycle and verification of key equipment. It can be the main reactor of the fourth generation reactor. One of the models - lead-cooled fast reactor design and R & D to provide engineering experience and experimental data, will further enhance China's competitiveness in the field of advanced nuclear energy.
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