The demonstration project of the world’s first 200000 kW High temperature gas cooled reactor nuclear power plant has attracted much attention since its construction, and every step of progress has become the focus. Recently, the “first show” time of this demonstration project has also been announced.
Qian Tianlin, member of the National Committee of the Chinese people’s Political Consultative Conference and director of the Ministry of science, technology and information technology of CNNC, recently revealed that the demonstration project will be loaded in April, and the power generation will be put into commercial operation by the end of this year.
The demonstration project of the world’s first 200000 kW High temperature gas cooled reactor nuclear power plant adopts the traditional steam cycle, and its power generation efficiency can reach more than 40%, which is the highest nuclear reactor at present. In addition, its safety is also greatly improved, which can ensure that the reactor will not have core melting and radioactive release in any accident.
As a major national science and technology project, the 200000 kW High temperature gas cooled reactor demonstration project is developed from the 10 MW high temperature gas cooled experimental reactor.
According to Qian Tianlin, the high temperature gas cooled reactor will follow the technical development route of demonstration project improved version, supercritical version and hydrogen production version. At present, the scheme design of the 600000 kW High temperature gas cooled reactor improved version project has been completed, and the research and development of supercritical high temperature gas cooled reactor technology is expected to be completed in 2023.
China has become one of the largest nuclear power countries in the world, successfully realizing the technological leap from “second generation” to “third generation”, forming a complete and advanced nuclear power industry chain and support capability covering uranium resource development, nuclear fuel supply, engineering design and R & D, operation and maintenance, radioactive waste treatment and disposal, etc.
By the end of 2019, there are 47 nuclear power units in operation in China, which are located in 13 nuclear power bases in 8 coastal provinces, with an installed capacity of 48.75 million KW, ranking the third in the world, accounting for about 2.5% of the total installed capacity of the country. By the end of September 2020, China has 48 nuclear power units in operation, with a total installed capacity of 49.88 million kilowatts.
Although China’s nuclear power construction is in a period of rapid development, it maintains the keynote of “stability”. The number of new units is small, and the investment in nuclear power projects has declined. According to the statistics of the China Federation of electric power enterprises, from January to October 2020, 25.9 billion yuan will be invested in the power supply projects of major nuclear power enterprises in China, a year-on-year decrease of 0.4%.
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