在中国科技史的长河中，或许没有哪项技术进展，能够像聚变能那样，激起如此深远的期待和关注。10 月10日，中国科学院合肥物质科学研究院等离子体物理研究所宣布，聚变堆主机关键系统综合研究设施 （CRAFT）项目取得了重要进展——环向场磁体线圈盒的成功研制和交付，标志着中国在核聚变研究 的征程中迈出了决定性的一步。或许，从这个"400吨重、21米×12米"的庞然大物交付的那一刻起，聚变 能源的商业化之路，也向我们露出了曙光。 文︱陆弃 与传统能源领域相比，聚变能的前景让所有人都能看到未来——没有污染、没有放射性废料、没有对环 境的毁灭性影响。它被认为是人类探索绿色能源的终极解药，而实现这一目标的关键，正是这款环向场 磁体线圈盒。作为目前世界上最大的环向场磁体线圈盒，它的成功交付，几乎是中国乃至全球聚变能源 研究的一座灯塔。它象征着人类在核聚变这项被誉为"科学圣杯"的研究中，打破了曾经难以逾越的技术 壁垒，离梦想越来越近。 这款巨型环向场线圈盒不仅仅是一个庞大的结构部件。它承载着超低温奥氏体不锈钢316LN和316LMn 材料，重量高达400吨，尺寸更是比国际热核聚变实验堆（ITER）同类部件大了1.2倍，重了两倍。 ...

Core Insights - The article emphasizes the importance of cultivating "future industries" as a strategic pivot for leading technological innovation and reshaping industrial patterns, particularly in the context of the ongoing technological revolution and industrial transformation [1] Group 1: Future Industries Development - The Yangtze River Delta region has emerged as a leader in technological innovation in China over the past decade, with a collaborative development model among the three provinces and one city laying a unique foundation for future industry cultivation [1] - Shanghai has introduced several measures to accelerate the innovation of frontier technologies and the cultivation of future industries, aiming to establish itself as a globally influential hub for future industries [5][6] Group 2: Key Technological Advancements - The successful delivery of the ring-shaped magnetic coil box for the CRAFT project marks a significant step towards the commercialization of fusion energy, with the component being the largest of its kind globally, measuring 21m x 12m and weighing 400 tons [2] - The launch of the Kexin Computing Power Scheduling Platform in Wuxi, which manages approximately 7000P of operational computing resources, aims to provide standardized and efficient computing power services to enterprises [3][4] Group 3: Strategic Initiatives and Goals - Shanghai's "Several Measures" aim to systematically and proactively cultivate future industries, targeting the establishment of around 20 leading enterprises in future industry ecosystems by 2027 and fostering several strategic emerging industries by 2030 [6] - The focus areas for development include future manufacturing, information, materials, energy, space, and health, with specific support for technologies such as brain-computer interfaces, quantum computing, and 6G [6]

从研发到完成制造，项目团队历时5年多时间，攻克了多项关键技术难题。在原材料研制方面，完成了 低温不锈钢316LMn（ITER级JJ1）材料的国产化、完成了百吨级316LN超大锻件和128毫米316LN超厚 钢板的研制。在制造技术方面，面对最大厚度达360毫米的焊接挑战，研发了大厚度激光焊接和超深窄 焊接的组合焊接技术、相控阵无损检测技术，实现了线圈盒焊接的控形控性；开发了30米长空间弯管的 精密成形、低温树脂与钎焊的冷却管固定技术，实现了冷却管的高精密安装。 环向场线圈盒的成功交付，是聚变能源商业化迈出的重要一步。相关技术还可应用于航空航天、能源装 备、船舶海工等领域。（记者洪敬谱） 记者10月10日从中国科学院合肥物质科学研究院等离子体物理研究所获悉，聚变堆主机关键系统综合研 究设施（CRAFT）项目日前取得重要进展——环向场磁体线圈盒研制成功并在安徽省合肥市交付。 环向场线圈盒是环向场磁体的主体承力结构部件，是磁体系统的重要组成部分，主要用于保护环向场线 圈绕组并支撑与固定着极向场磁体等其他超导磁体。环向场线圈盒由超低温奥氏体不锈钢316LN和 316LMn材料构成，该部件外形尺寸21米×12米，重400 ...

来源：科技日报 科技日报记者 洪敬谱 环向场磁体线圈盒。中国科学院合肥物质科学研究院等离子体物理研究所供图 环向场线圈盒是环向场磁体的主体承力结构部件，是磁体系统的重要组成部分，主要用于保护环向场线 圈绕组并支撑与固定着极向场磁体等其他超导磁体。环向场线圈盒由超低温奥氏体不锈钢316LN和 316LMn材料构成，该部件外形尺寸21米×12米，重400吨，是目前世界上最大的环向场磁体线圈盒，整 体尺寸是国际热核聚变实验堆（ITER）同类部件的1.2倍以上，重量约为其两倍。 从研发到完成制造，项目团队历时5年多时间，攻克了多项关键技术难题。环向场线圈盒的成功交付， 是聚变能源商业化迈出的重要一步。相关技术还可应用于航空航天、能源装备、船舶海工等领域。 记者10日从中国科学院合肥物质科学研究院等离子体物理研究所获悉，聚变堆主机关键系统综合研究设 施（CRAFT）项目日前取得重要进展——环向场磁体线圈盒研制成功并在安徽省合肥市交付。 ...

Core Insights - The successful delivery of the toroidal field coil box marks a significant step towards the commercialization of fusion energy [2] - The technology developed for the coil box has potential applications in aerospace, energy equipment, and marine engineering sectors [2] Group 1: Project Development - The toroidal field coil box, measuring 21 meters by 12 meters and weighing 400 tons, is the largest of its kind in the world, exceeding the dimensions of similar components in the International Thermonuclear Experimental Reactor (ITER) by more than 1.2 times and weighing about twice as much [1] - The project team took over 5 years to overcome multiple key technical challenges, including the domestication of low-temperature stainless steel 316LMn and the development of large-scale 316LN forgings and ultra-thick steel plates [1] - Advanced manufacturing techniques were developed, such as a combination of laser welding for thick materials and phased array non-destructive testing, to ensure the precision of the coil box welding [1] Group 2: Material and Technology Innovations - The coil box is constructed from ultra-low temperature austenitic stainless steel 316LN and 316LMn materials, showcasing advancements in material science for fusion applications [1] - Precision forming technology for 30-meter-long cooling pipes and the use of low-temperature resin with brazing for pipe installation were also developed, enhancing the overall assembly process [1]