Method and apparatus for disposing of a radioactively contaminat

Details Method and apparatus for disposing of a radioactively contaminat Method and apparatus for disposing of a radioactively contaminat

1998-05-07

2000-03-28

Cuda, Irene

Metal working

Method of mechanical manufacture

Scrap recovering or utilizing

29890031, B07B 1300

Patent

active

060414847

ABSTRACT:
A method for disposing of a radioactively contaminated steam generator with a multiplicity of U-shaped heating tubes fixed in a tube plate, includes cutting off the heating tubes above the tube plate, cutting open the dome of the steam generator and gripping the heating tubes one after the other at the U-bend with force-locking measures. Once gripped, each heating tube is drawn through crushing rollers to achieve an initial reduction in size and to reduce a bend radius of the tube and is then passed into a press where it is pressed flat.

REFERENCES:
patent: 4507840 (1985-04-01), Steinert et al.
patent: 5276965 (1994-01-01), Hahn et al.
patent: 5293682 (1994-03-01), Hahn et al.
patent: 5781603 (1998-07-01), Wivagg

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