Container for the interim and long-term storage of radioactive m

Details Container for the interim and long-term storage of radioactive m Container for the interim and long-term storage of radioactive m

1982-12-21

1986-02-25

Smith, Alfred E.

Radiant energy

Radiation controlling means

Shielded receptacles for radioactive sources

376272, G21F 505

Patent

active

045729590

ABSTRACT:
The invention is directed to a container for the interim and long-term stge of radioactive material such as irradiated nuclear reactor fuel elements. The container includes a vessel and a cover. The vessel has a base and a wall extending upwardly from the base. The wall terminates in an upper end portion defining the opening of the vessel for receiving the radioactive material to be stored therein. A sealing cover tightly closes the vessel. The vessel is a double-walled body made up of two metal layers defining the outer and inner walls of the vessel. The inner wall constitutes a base structure made of an inexpensive and mechanically stable material; whereas, the outer wall is made of a corrosion-resistant material. In order to produce the outer wall at low cost and with a minimal technical effort, the inner wall is made of a material selected from the group including nodular cast iron and gray cast iron and the outer wall is made of high-alloy austenitic cast iron containing nodular graphite, the latter being cast around the base structure. The opening of the vessel is closed with a sealing cover welded to the outer wall of the vessel. Methods of making the vessel of the container are also disclosed.

REFERENCES:
patent: 4002284 (1977-01-01), Suppus
patent: 4129309 (1978-12-01), Kohnert et al.
patent: 4272683 (1981-06-01), Baatz et al.
patent: 4278892 (1981-07-01), Baatz et al.
patent: 4387627 (1983-06-01), Avezou
patent: 4437578 (1984-03-01), Bienek et al.

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