Core-melt source reduction system

Details Core-melt source reduction system Core-melt source reduction system

1993-11-04

1995-04-25

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Core catchers

G21C 9016

Patent

active

054105773

ABSTRACT:
A core-melt source reduction system for ending the progression of a molten core during a core-melt accident and resulting in a stable solid cool matrix. The system includes alternating layers of a core debris absorbing material and a barrier material. The core debris absorbing material serves to react with and absorb the molten core such that containment overpressurization and/or failure does not occur. The barrier material slows the progression of the molten core debris through the system such that the molten core has sufficient time to react with the core absorbing material. The system includes a provision for cooling the glass/molten core mass after the reaction such that a stable solid cool matrix results.

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patent: 4146429 (1979-03-01), Slagley
patent: 4300983 (1981-11-01), Donne et al.
patent: 4442065 (1984-04-01), Latter et al.
"Development Work for a Borax Internal Core-Catcher for a Gas-Cooled Fast Reactor", Donne, et al. Nuclear Technology, vol. 39:138, Jul. 1978.
"Core-Melt Source Reduction System to Terminate and LWR Core-Melt Accident", Forsberg, et al. American Nuclear Society, Nov. 15-20, 1992.
"Core Melt Source Reduction System" Forsberg, et al. ORNL Chemical Technology Division, Oct. 1989.
"Core-Melt Source Reduction System to Terminate LWR Core-Melt Accident" Forsberg, et al., Nuclear Engineering Joint Conference ASME/JSME, 1993.

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