FAST NEUTRON REACTOR AND NEUTRON REFLECTOR BLOCK OF A FAST NEUTRON REACTOR

摘要

The present invention relates to the field of nuclear engineering, in particular the design of a removable neutron reflector block for liquid heavy metal cooled fast neutron reactors. This high-speed neutron reactor includes a core made of a liquid heavy metal cooled fuel rod, and a neutron reflector block disposed around the core, the neutron reflector block includes a casing, and the casing allows the flow of coolant into the casing from the space between the blocks. At least one inlet in the sidewall of the casing, one or more vertical pipes mounted in the casing to divert a portion-the diverted coolant flow passing through the upper and lower boundaries of the core enters the bottom of the casing through the vertical pipes -, and a regulating device mounted on the upper side of the inlet on the outer surface of the casing to create hydraulic resistance to the coolant flow in the space between the blocks. The technical result is an increase in the operating safety and performance of the high-speed neutron reactor, and a reduction in the heat exchange surface of the steam generator.