초록 ▼

A radioactive waste disposal package comprising a canister for containing vitrified radioactive waste material and a sealed outer shell encapsulating the canister. A solid block of filler material is supported in said shell and convertible into a liquid state for flow into the space between the cani

A radioactive waste disposal package comprising a canister for containing vitrified radioactive waste material and a sealed outer shell encapsulating the canister. A solid block of filler material is supported in said shell and convertible into a liquid state for flow into the space between the canister and outer shell and subsequently hardened to form a solid, impervious layer occupying such space.

대표청구항 ▼

1. A waste package comprising: a canister for containing vitrified radioactive waste material, said canister having a side wall, an end wall terminating in a neck for defining an inlet, a closure member sealing said inlet closed, a sealed outer shell completely encapsulating said canister in radiall

1. A waste package comprising: a canister for containing vitrified radioactive waste material, said canister having a side wall, an end wall terminating in a neck for defining an inlet, a closure member sealing said inlet closed, a sealed outer shell completely encapsulating said canister in radially spaced relation to said canister side wall and defining a space therebetween, means adjacent said neck for supporting a metallic filler in solid form, said metallic filler convertible into a liquid state for flow into said space after said outer shell has been sealed and then subsequent hardened to form a solid layer completely occupying said annular space. 2. A waste package according to claim 1, wherein said canister comprises a side wall and opposite end walls, said vitrified radioactive waste material occupying the major portion of said canister from one of said end walls to a predetermined level spaced from said other end wall and offering resistance to external pressure loads. 3. A waste package according to claim 2, wherein said side wall is formed with a reinforced portion extending from said level of vitrified radioactive waste material to said other end wall. 4. A waste package according to claim 1, including means for retaining said vitrified radioactive waste material in a desired shape. 5. A waste package according to claim 4, wherein said retaining means comprises a disk secured about the periphery thereof to said sidewall for confining in conjuction with said sidewall and said one end wall said vitrified radioactive waste material in said desired shape. 6. A waste package according to claim 1, including a collar assembly mounted within said shell about said canister neck. 7. A waste package according to claim 6, said collar assembly supporting said solid filler material prior to converting said filler material into a liquid state. 8. A waste package according to claim 7, wherein said collar assembly comprises a skirt having a castellated edge supported on an external surface of said one end of said canister. 9. A waste package according to claim 8, wherein said castellated edge defines openings establishing communication with said space for flow of said filler material when in a liquid state. 10. A waste package according to claim 1, wherein said shell is formed of a corrosion resistant material. 11. A waste package according to claim 10, wherein said corrosion resistant material is titanium. 12. A waste package according to claim 1, wherein said metallic filler is lead.