Process for dismantling an irradiated component of a nuclear rea

Details Process for dismantling an irradiated component of a nuclear rea Process for dismantling an irradiated component of a nuclear rea

1991-06-26

1993-08-24

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

83930, 294264, G21F 928

Patent

active

052395642

ABSTRACT:
The irradiated component (1) comprises at least one tubular wall with its axis vertical and fastened inside a well (2) in a concrete structure (3). The connecting elements between the concrete structure (3) and the component (1) are destroyed, the component (1) is displaced in successive steps in the vertical direction along its axis on the inside of the well (2), and the wall of the component is cut, so as to obtain blocks (26) of irradiated material of the wall, at the upper level of the well (2) of the concrete structure (3) after each displacement of the component (1). The cut blocks (26) are disposed of for the purpose of elimination or storage. The displacement of the component can be obtained by a pull or push on its lower bottom.

REFERENCES:
patent: 3755079 (1973-08-01), Weinstein et al.
patent: 4813313 (1989-03-01), Ichikawa et al.
patent: 4818472 (1989-04-01), Operschall et al.
patent: 5001870 (1991-03-01), Yokota et al.
Patent Abstract of Japan--vol. 14--No. 191, 2-36399, Feb. 1990.
Patent Abstract of Japan--vol. 13--No. 475, 1-187499, Jul. 1989.
Patent Abstract of Japan--vol. 13--No. 324, 1-92696, Apr. 1989.

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