2024-03-01 09:04:50
Mainland China once again undertakes the installation of the world’s largest artificial solar core equipment. (China National Nuclear Corporation WeChat official account) Mainland China once again undertakes the installation of the world’s largest artificial solar core equipment. (China National Nuclear Corporation WeChat official account)
According to the official WeChat account of China National Nuclear Corporation, on February 29, local time, the International Thermonuclear Fusion Experimental Reactor (ITER) organization, the world’s largest “artificial sun”, and the Sino-French consortium led by China National Nuclear Corporation’s CNNC Engineering officially signed a vacuum chamber model Group assembly contract. After successfully installing the heart equipment of the “Artificial Sun”, this is China’s once again task of installing its core equipment. The Chinese will once again contribute their wisdom and strength to the smooth advancement of the ITER project.
Shen Yanfeng, deputy general manager of China National Nuclear Corporation, said that the signing of the agreement means that the Sino-French consortium led by CNNC Engineering has become the only contractor for the current mainframe installation of the ITER project.
The International Thermonuclear Fusion Experimental Reactor Project is the largest and most far-reaching international scientific project in the world today, and embodies mankind’s best wishes for the peaceful use of nuclear fusion energy.
The light and heat on which all things on earth depend for their growth originate from the energy released after the sun’s nuclear fusion reaction. The International Thermonuclear Fusion Experimental Reactor Project is designed to simulate the nuclear fusion process of solar radiation and heat and explore the commercial feasibility of controlled nuclear fusion technology.
The International Thermonuclear Fusion Experimental Reactor is a Tokamak that can produce large-scale nuclear fusion reactions. It is known as the world’s largest “artificial sun” and is jointly developed by China, the European Union, India, Japan, South Korea, Russia and the United States. Seven parties jointly implemented it.
It is understood that the vacuum chamber module assembly is currently the most important piece of equipment on the critical path of the ITER project and plays a vital role in the success of the entire ITER project.
The vacuum chamber looks like a donut, but due to its huge size, in order to facilitate installation, the entire vacuum chamber is divided into 9 vacuum chamber modules. However, the vacuum chamber module itself is also a three-layer sandwich structure, with 40 from the inside to the outside. vacuum chamber sectors, vacuum chamber cold shields and toroidal field coils.
The assembly work of the vacuum chamber module that won the bid this time is like putting on clothes. The vacuum chamber cold screen and toroidal field coil are integrated and assembled on the vacuum chamber sectors in the assembly hall, and then the whole is hoisted into the tokamak furnace pit. The 9 magnetic zones of the vacuum chamber module are completed and delivered separately. The total planned installation period of the 9 magnetic zones is 35 months.
China formally signed up to join the program in 2006. Since the implementation of the plan, China has always adhered to its international commitments. Chinese enterprises and scientific researchers have bravely shouldered the heavy responsibilities and worked together with international counterparts, contributing Chinese wisdom and Chinese strength to the smooth advancement of the plan. Since 2008, China has undertaken the manufacturing tasks of 18 procurement packages, involving magnet support systems, magnet feeder systems, power supply systems, glow discharge cleaning systems, gas injection systems, and reactor cores that can withstand extremely high temperatures. “Yibi” and other core key components.
CNNC has been actively participating in the development of the world’s largest “artificial sun”. In September 2019, the Sino-French consortium led by CNNC Engineering signed a TAC-1 installation contract with ITER, marking the beginning of China’s in-depth participation in the installation of the core equipment of the Tokamak device, the “heart” of the experimental reactor. During the execution of the contract, the project team always upheld the spirit of international cooperation, achieved safe production, overall quality control, completed a series of major milestones, and achieved a high overall evaluation of the contract performance.
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