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国际上,钍一直被认为是一种潜在的核能资源:钍在全球的储藏量估计为铀的3倍;232Th向233U的转换率比238U向239Pu的转换率更高;钍-铀燃料循环比铀-钚燃料循环产生的高毒性放射性核素更少;钍基燃料在反应堆内可允许更高的燃料芯块温度和更深的燃耗;钍基燃料对各种堆型的适应性较好,无需对现有反应堆的燃料组件和堆芯几何尺寸及相应的结构材料作重大改变等。为了确保核电长期稳定地发展,钍资源的勘查及开发利用、钍基燃料在核能中的应用及钍基燃料循环研
Internationally, thorium has long been considered as a potential source of nuclear energy: Thorium has a global reservoir estimated at three times that of uranium; 232Th has a higher conversion rate to 233U than 238U to 239Pu; thorium-uranium fuel cycle ratio Thoron-based fuels allow for higher fuel pellet temperatures and deeper burnups within the reactor; thorium-based fuels have better adaptability to various stack types, There is no need to make major changes to the fuel assemblies and core geometries of existing reactors and the corresponding structural materials. In order to ensure the long-term stable development of nuclear power, exploration and exploitation of thorium resources, application of thorium-based fuels in nuclear energy and thorium fuel cycle research