Pressurized water reactor with solid partitioning

Details Pressurized water reactor with solid partitioning Pressurized water reactor with solid partitioning

1991-11-29

1993-11-16

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376459, G21C 1106

Patent

active

052630692

ABSTRACT:
A pressurized water reactor has a solid reflector formed of a stack of rings each completely surrounding the reactor core, whose internal periphery matches the external contour of the core. Keys fixed to the casing project into vertical grooves formed in the rings for centering them with respect to the core casing. The stack is formed with a plurality of vertical channels each consisting of a plurality of vertical mutually aligned passages each formed in a respective one of said rings, each channel containing a plurality of vertically aligned plugs.
The vertical passages are formed in radially thicker parts only of the rings. Each plug cooperates with the respective ring to define an annular water flow channel. Some at least of the plugs comprise an upper flange bearing on a shoulder of a corresponding ring, machined for defining channels slanted with respect to the vertical so as to give a circumferential speed component to the water flowing along the annular passages about the plugs.

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