中国核聚变装置，取得关键突破！

Core Insights - The BEST project in Hefei, Anhui, has achieved a significant breakthrough with the successful installation of the Dewar base, marking a new phase in the construction of the compact fusion energy experimental device [1][3] Group 1: Project Details - The Dewar base has a diameter of approximately 18 meters, a height of about 5 meters, and weighs over 400 tons, making it the heaviest vacuum component of the BEST device [3] - The installation precision of the Dewar base is critical for the stability and safety of the entire project, requiring a surface level difference of no more than 15 millimeters and a positional deviation of no more than 2 millimeters [3] - The total investment for the BEST project is 8.5 billion yuan, with construction expected to be completed by 2027 and the first demonstration of fusion power anticipated by 2030 [3] Group 2: Global Context and Investment Trends - The global interest in nuclear fusion has increased significantly since the initiation of the ITER project in 2010, leading to substantial investments in private fusion enterprises [4] - Energy security is a strategic priority for nations, and investments in nuclear fusion are seen as a means to secure long-term energy supply [4] - China is positioned at the forefront of fusion energy commercialization, supported by continuous policy backing and engineering advantages [4] Group 3: Domestic Fusion Energy Developments - Various companies are advancing nuclear fusion projects across China, with significant investments from state-owned enterprises and private sectors [5] - The China Fusion Energy Company, established with a registered capital of 15 billion yuan, aims to develop fusion energy by 2050, with a focus on the HL-4 fusion experimental device [6] - The company plans to invest 12 billion yuan in Shanghai for the construction of the HL-4 device, which will stimulate the development of high-temperature superconducting materials [6] Group 4: Material and Technology Insights - High-temperature superconducting materials are still in the early stages of industrialization, with applications extending beyond nuclear fusion to areas like MRI, particle accelerators, and maglev trains [8]