BEST装置首个关键部件杜瓦底座成功安装就位

Core Insights - The BEST project in Hefei has achieved a significant breakthrough with the successful development and delivery of the key component, the Dewar base, marking a new phase in the construction of the project [1][5] - The Dewar base is the largest vacuum component in China's fusion field, measuring approximately 18 meters in diameter, 5 meters in height, and weighing over 400 tons, designed to support the main system's total weight of about 6700 tons [1][5] Group 1 - The installation of the Dewar base requires high precision, with surface level differences controlled within 15 millimeters and positional deviations not exceeding ±2 millimeters, highlighting the critical nature of its installation for overall project stability and safety [3] - The project team, led by the Hefei Institute of Plasma Physics under the Chinese Academy of Sciences, has overcome key technical challenges related to high-precision forming, welding, millimeter-level deformation control, and high vacuum sealing [5] - The successful manufacturing and installation of the Dewar base lays a solid foundation for the subsequent installation and debugging of core components in the BEST device, representing an important advancement in China's fusion research and engineering application [5] Group 2 - The Burning Experimental Superconducting Tokamak (BEST) aims to validate fusion energy generation in a real fuel environment, utilizing advanced technologies such as high-performance superconducting magnets and deuterium-tritium fusion fuel [7] - The total assembly of BEST is set to officially commence in May 2025, with completion expected two years later, aiming to demonstrate fusion energy generation for the first time globally [7] - By 2030, there is an optimistic outlook for achieving the first demonstration of fusion energy lighting a lamp [7]