Decommissioned reactor vessel package and method of making same

Details Decommissioned reactor vessel package and method of making same Decommissioned reactor vessel package and method of making same

1997-07-28

2000-07-11

Mai, Ngoclan

Hazardous or toxic waste destruction or containment

Destruction or containment of radioactive waste

By fixation in stable solid media

2505061, 2505071, 376260, 976DIG393, G21F 900

Patent

active

060875461

ABSTRACT:
The container has inward lugs with vertical holes. The vessel is bolted to it using the closure-head-securing bolt holes. The method involves raising the reactor vessel inside a cylindrical shell using lifting studs in the vessel head-securing bolt holes to raise it and then securing the vessel by studs in other bolt holes to hold it to the lugs. The bottom wall is secured to the container shell and the clearance space between the vessel and the container is filled with concrete. The top wall is then secured on the container shell.

REFERENCES:
patent: 4594774 (1986-06-01), Barker et al.
patent: 4818472 (1989-04-01), Operschall et al.
patent: 5297182 (1994-03-01), Cepkauskas
patent: 5301212 (1994-04-01), Jacquier et al.
patent: 5329562 (1994-07-01), Setsuo

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