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《工程(英文)》 >> 2016年 第2卷 第1期 doi: 10.1016/J.ENG.2016.01.026

美国高温气冷堆现状

Kadak Associates, Inc., Port St. Lucie, FL 34952, USA

收稿日期: 2015-11-03 修回日期: 2017-03-03 录用日期: 2017-03-08 发布日期: 2016-03-31

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摘要

2005 年,美国国会通过了《2005年能源政策法案》,该法案授权在2021年之前建造和运行一个高温气冷堆(HTGR)。在美国国内专家对未来核技术发展方向进行了多年的研究后,该法案才得以通过。作为该法案的结果,美国国会设立了名为“下一代核电站”的项目,这是一种为制氢提供工艺用热的HTGR。尽管HTGR被寄予了很高的期望,但其现状仅限于完成关于先进燃料、石墨和其他材料的研究计划,并不是如国会在2005年提出的建造一个示范电站。HTGR 发展目标降低背后有许多原因,包括:用于研究的政府资金不足,对反应堆不切实际的高温要求,对“氢”经 济需求的延迟,来自轻水冷却的小型模块反应堆的竞争,业主公司对新技术的兴趣较低,美国天然气价格过低,以及美国对非水冷反应堆许可证申请的具有挑战性的流程等。

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