Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Core catchers
Patent
1985-09-20
1986-07-01
Behrend, Harvey F.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Core catchers
G21C 900
Patent
active
H00000914
ABSTRACT:
The invention teaches safety apparatus that can be included in a nuclear reactor, either when newly fabricated or as a retrofit add-on, that will minimize proliferation of structural damage to the reactor in the event the reactor is experiencing an overheating malfunction whereby radioactive nuclear debris might break away from and be discharged from the reactor core. The invention provides a porous bed or sublayer on the lower surface of the reactor containment vessel so that the debris falls on and piles up on the bed. Vapor release elements upstand from the bed in some laterally spaced array. Thus should the high heat flux of the debris interior vaporize the coolant at that location, the vaporized coolant can be vented downwardly to and laterally through the bed to the vapor release elements and in turn via the release elements upwardly through the debris. This minimizes the pressure buildup in the debris and allows for continuing infiltration of the liquid coolant into the debris interior.
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LA-4783-MS, 10/71, Vigil et al., pp. 1-10.
Baker, Jr. Louis
Cassulo John C.
Gabor John D.
Pedersen Dean R.
Behrend Harvey F.
Fisher Robert J.
Glenn Hugh W.
Hightower Judson R.
The United States of America as represented by the United States
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