压水堆回收铀在重水堆应用示范验证试验

Demonstration Test of Recycled Uranium Reprocessed From PWR Spent Fuel in CANDU Reactor

回收铀(RU)是一种重要的核能资源,随着核电发展和铀资源价格的上涨将更加受到重视,迄今为止国际上尚未很好地解决其有效利用问题。鉴于我国既有压水堆又有重水堆的现状,本文提出利用重水堆烧RU的设想,开发了一种与天然铀燃料中子学等效的由RU和贫铀(DU)混合而得的等效天然铀(NUE)燃料,并在秦山运行重水堆上开展随堆示范验证试验,以积累RU利用相关运行经验,为后续全堆应用提供了关键的技术支持。

Recycled uranium（RU）,as a sort of nuclear resources,becomes more and more important along with the global development of nuclear power and the rising of natural uranium price,but it is difficult to use RU currently.Since there are both PWRs and CANDU reactors in China,a plan was brought forward to use RU reprocessed from PWR spent fuels in CANDU reactor in a form of NUE type firstly,which is combination of RU and depleted uranium（DU） and is neutronically equivalent to natural uranium.For this fuel,the demonstration test was conducted in Qinshan CANDU unit 1,to obtain the experiences of RU manufacturing and operating and to provide technical support to NUE fuel full core implementation in Qinshan CANDU units.