Method and apparatus for the wet dismantling of radioactively co

Details Method and apparatus for the wet dismantling of radioactively co Method and apparatus for the wet dismantling of radioactively co

1987-06-01

1989-04-04

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

294263, G21C 1900, G21F 934

Patent

active

048184721

ABSTRACT:
A method and an apparatus for the wet dismantling of radioactively contaminated or activated components of nuclear reactor plants such as pressure vessels, includes optionally enclosing the component with a jacket or enclosure tube at the end of the service life of the component, the jacket or tube may be cast or molded, providing a sheathing between the component and the jacket, or between the component and a concrete shield, having a thickness sufficient to support at least part of the component after dismantling the component into individual pieces, or joining the jacket to the pressure vessel or to a bottom plate, flooding the component with water for radiation shielding, at least partly dismantling the component into individual pieces through a material-removing tooling or erosion method, and removing the individual pieces.

REFERENCES:
patent: 3158546 (1964-11-01), Cordova
patent: 3755079 (1973-08-01), Weinstein et al.
patent: 4483790 (1984-11-01), Gaiser
patent: 4568814 (1986-02-01), Hamasaki et al.
patent: 4594774 (1986-06-01), Barker et al.
Nuclear Engineering International, "Decommissioning", 3/87, pp. 39-44.
Electrical World, Feb. 15, 1978, pp. 47/48.

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