Method and arrangement for reducing the radiation exposure risks

Details Method and arrangement for reducing the radiation exposure risks Method and arrangement for reducing the radiation exposure risks

1977-10-13

1981-11-17

Cangialosi, S. A.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Core catchers

G21C 900

Patent

active

043009832

ABSTRACT:
A method and arrangement for containing the core melt flowing from a nuclear reactor into a core catcher below the core wherein the core melt is permitted to gradually penetrate layers of a core catcher materials of inorganic reactor soluble oxides or salts disposed in the core catcher which core catcher materials are dissolved by the oxidic part of the core melt, and the molten solution, after solidification and after being cooled down to a temperature at which hydrogen generating reactions do not take place, is leached with water and rinsed out of the core catcher without the need for humans to be present in the reactor containment and to be exposed to radiation.

REFERENCES:
patent: 4036688 (1972-07-01), Golden et al.
patent: 4113560 (1978-09-01), Driscoll et al.
patent: 4121970 (1978-10-01), Albrecht et al.
Handbook of Chemistry, McGraw Hill Book Co. (1961) Lange pp. 264, 306.
The Condensed Chemical Dictionary 8th Ed, Hawley, (1971), Van Nostrand Reinhold Co., pp. 27, 534, 536, 796.

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