There are really a lot of technical routes in nuclear power technology in China, and the high-temperature gas-cooled reactor technology of Ziguang University began in the 70s of the last century, and now it is about to enter the stage of commercialization, and now it has introduced the AP1000 passive pressurized water reactor technology from Seibu Company, which was acquired by Zhidong.

At the same time, the Southern Nuclear Energy Corporation also introduced EPR third-generation nuclear power technology from Europe, which is also a high-level move to balance the technological gap between the nuclear industry group company and the Southern Nuclear Industry Group Corporation.

If the high-temperature gas-cooled reactor technology developed by Ziguang University is added, there are at least three sets of technologies in China, and if this set of thorium-based molten salt reactor technology is added, there are four sets of technologies in total.

However, Yang Jie values the qualifications of nuclear power plant equipment technology that can be exported by the nuclear industry group company, and now the nuclear power technology that can be exported with independent intellectual property rights in China is the high-temperature gas-cooled reactor technology of Ziguang University, but this set of technology is still in the experimental reactor stage and has not yet been officially commercialized.

After all, the construction of commercial nuclear power plants starts at least 50 billion yuan, and there are few such strong economic strength in China, which requires the endorsement of the state.

The thorium-based molten salt reactor technology mastered by Huaxing Group is already very mature, and the experimental device built in Daxas, China, is being tested, and from the current situation, it has reached the previous design goals.

Yang Jie hopes to cooperate with the nuclear industry corporation and then officially put into operation the experimental reactor engineering system built by his company, and quickly build a commercial nuclear power plant in China after several years of test operation, and then realize the export of this set of nuclear power plant equipment and technology, and seize the international nuclear power market.

"Dong Yang, you know that our group company has just introduced this set of AP1000 technology, and it will take time to digest and absorb this set of technology, and you can't have much money in your hands to buy this set of technology in your hands......"

Tu Baofeng said with some hesitation.

The high-level attaches great importance to this set of AP1000 technology, and has also determined that a nuclear power plant will be put into operation in Shanmen, China, with a total investment of more than 50 billion yuan, and the nuclear industry corporation also attaches great importance to this.

Yang Jie smiled: "It doesn't matter if the nuclear industry group company can't pay for it now, so many research institutes under your umbrella can always send out a group of technical personnel, and there are a lot of technical patents on hand, these are intangible assets, which can be converted into the joint venture company." ”

"I don't think I need to elaborate on the superiority of thorium-based molten salt reactor technology compared with AP1000 technology, I hope that after the establishment of the joint venture, we can form the world's largest thorium-based molten salt reactor technology research and development team, build a basic research laboratory and R&D test platform covering this field, and continue to research and development on our company's existing experimental reactor technology. ”

"Because the temperature of the thorium-based molten salt reactor is very high, it can also be used to produce hydrogen fuel at high temperatures, and it can also absorb carbon dioxide to make methanol to synthesize methanol oil and olefin feedstocks, mitigating carbon emissions and generating more commercial benefits. ”

Yang Jie said: "I hope that through these research and development, we can master a series of key technologies in the thorium-uranium cycle, reactor body engineering design, series of high-temperature molten salt circuits, safety and licensing prototype systems and high-temperature alloys, high-purity molten salts, corrosion control, nuclear pure thorium, high-abundance lithium 7, tritium treatment, thorium-uranium fuel salt dry separation, etc., and establish a complete industrial chain in China, which will not be controlled by others." ”

"In addition, the supercritical carbon dioxide Bretton cycle generator matched with the thorium-based molten salt reactor is still blank in China, and now Eagle Sauce is the most active in this regard, and I also hope to take this opportunity to develop this supercritical carbon dioxide Bretton cycle generator together, so that it will be lived." ”

Yang Jie opened his mouth and said.

"Supercritical CO2 Brayton Cycle Generator?"

Li Kaiyuan felt that he had a headache at this time.

"Uncle Lie, that's the case, carbon dioxide has a very unique physical property, that is, when the temperature reaches 30.98 °C and the pressure reaches 7.38 megapascals, its physical state is between liquid and gas, the density is close to that of liquid, the viscosity is close to that of gas, and the diffusion coefficient is about 100 times that of liquid, this state is also called 'pressure critical' state, carbon dioxide in this state has a density greater than that of gas, and a smaller viscosity than liquid, with strong fluidity, high heat transfer efficiency, and small compressibility. Such a subcritical state of carbon dioxide is still easy to achieve, and the chemical properties are not active, colorless, tasteless, non-toxic, safe, cheap, high purity, and very obtainable, which is very suitable for use as a thermodynamic cycle working fluid. ”

"In fact, our Huaxing Group also has a certain technical reserve in this regard, mainly for the generator units of photovoltaic power stations, which use subcritical carbon dioxide as the working medium to make the turbine engine work. ”

"Different from the general gas turbine, the combustion chamber of this gas turbine does not burn fuel, but is used for external heat source to heat carbon dioxide, the critical state of carbon dioxide is compressed by the compressor to drive the turbine, by the turbine to drive the compressor and external output power, after the work of carbon dioxide back to the compressor and then compressed, so the cycle repeats, the working mode is the same as the Stirling engine is the external combustion closed-cycle heat engine, do not need to boil water like a steam turbine, and do not need to consume fuel. ”

Yang Jie said: "However, the temperature of the thorium-based molten salt reactor is very high, so I also hope that the nuclear industry group company will start to develop carbon dioxide as a medium in the temperature will reach more than 500 degrees, and the pressure will reach 20 megapascals such as supercritical performance. ”

"Is this equipment very efficient?"

Li Kaiyuan asked.

"We have also done theoretical simulations in this regard, and carbon dioxide can achieve high-efficiency thermal energy utilization in the temperature range of 600 to 700 degrees and atmospheric pressure of 20 megapascals, and the thermal efficiency can reach more than 45%. ”

Yang Jie opened his mouth and said.

"Has this technology been studied by the Nuclear Industry Group Corporation?"

Li Kaiyuan looked at Tu Baofeng and Bai Jili and asked.

"There is relatively little research in this area, and the Institute of Engineering Thermophysics of the Academy of Sciences is mainly engaged in research on the Stirling engine, the working medium is hydrogen and helium, and there is relatively little research and development in the Brayton cycle engine. ”

In fact, as early as the sixties and seventies of the 20th century, the international research and development of Brayton cycle generator began, this set of devices due to its high power density, the performance requirements of the wheel disc and blades are very high, and the processing technology at that time is difficult to meet.

Therefore, China only does some pre-research work, and there is no technical reserve in this regard.

However, Huaxing Group is able to develop and manufacture ultra-high-precision CNC machine tools, and has rich experience in various material preparation and processing technology and a large number of engineering and technical teams.

At this stage, the nuclear industry group company is still weak in the ability to transform scientific and technological achievements, and it is enough to choke if the equipment of the enterprise cannot be manufactured under good technology.

Huaxing Group has attached great importance to this aspect from the beginning, and the speed of technology transformation is faster than that of overseas high-tech giant companies, which has always been the style of Huaxing Group.

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