Patent ID: 6185269
Filing Date: 2001-02-06
Classification: G21C,Y02E

Abstract:
A liquid metal reactor power block comprising:at least two nuclear islands, each of said islands comprising a liquid metal reactor system enclosed within a reactor vessel, and a containment structure, said containment structure comprising a containment vessel enclosing said reactor vessel, and a chamber enclosing a primary pressure relief volume;a liquid metal service facility comprising a liquid metal drain tank coupled to said reactor system, a liquid metal cooling system coupled to said reactor system, and a storage vault enclosing a common pressure relief volume, said storage vault coupled to said containment structure of each of said nuclear islands;a pressure relief system configured to connect said primary pressure relief volume and said common pressure relief volume, said pressure relief system comprising at least one rupture disc between said storage vault and said containment structure of each of said nuclear islands;a seismic isolation platform supporting said nuclear islands and said liquid metal service facility;a plurality of seismic isolation bearings configured to support said seismic isolation platform; anda support structure comprising:a floor configured to support said isolation bearings at about grade level; anda well portion coupled to said floor, said well portion configured to extend below grade level, said containment vessel configured to extend into said well portion.