System and method for the ventilated storage of high level radioactive waste in a clustered arrangement
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G21F-007/00
G21F-007/015
B66C-019/00
출원번호
US-0189093
(2014-02-25)
등록번호
US-9460821
(2016-10-04)
발명자
/ 주소
Singh, Krishna P.
Agace, Stephen J.
출원인 / 주소
HOLTEC INTERNATIONAL, INC.
대리인 / 주소
The Belles Group, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
59
초록▼
A system for receiving and storing high level radioactive waste comprising: an enclosure comprising walls having inlet ventilation ducts, a roof comprising an array of holes, and a floor; an array of metal shells located in an internal space of the enclosure, the array of metal shells being co-axial
A system for receiving and storing high level radioactive waste comprising: an enclosure comprising walls having inlet ventilation ducts, a roof comprising an array of holes, and a floor; an array of metal shells located in an internal space of the enclosure, the array of metal shells being co-axial with the array of holes in the roof so that containers holding high level radioactive waste can be lowered through the array of holes in the roof and into the array of metal shells; the array of metal shells acting as load bearing columns for the roof; and each of the metal shells comprising (i) an expansion joint for accommodating thermal expansion and/or contraction of the metal shells; and (ii) one or more holes at a bottom portion of the metal shell.
대표청구항▼
1. A method for storing high level radioactive waste, the method comprising: providing an enclosure comprising walls having inlet ventilation ducts, a roof including an array of holes, and a floor, the walls, the roof, and the floor collectively forming an internal space;positioning an array of meta
1. A method for storing high level radioactive waste, the method comprising: providing an enclosure comprising walls having inlet ventilation ducts, a roof including an array of holes, and a floor, the walls, the roof, and the floor collectively forming an internal space;positioning an array of metal shells in the internal space of the enclosure, each metal shell forming a cavity which is co-axial with one of the array of holes in the roof and each metal shell being a load bearing column for the roof, wherein one or more holes are included at a bottom portion of each of the metal shells;positioning a container holding high level radioactive waste above the enclosure;lowering the container through a first hole of the array of holes and into a first cavity of a first metal shell of the metal shells; andplacing a lid over the first hole. 2. The method of claim 1, further comprising lowering other containers into other ones of the cavities. 3. The method of claim 2, further comprising providing the array of metal shells such that each of the cavities of the array of metal shells has a horizontal cross-section that accommodates no more than one of the containers. 4. The method of claim 1, further comprising positioning the enclosure above grade. 5. The method of claim 1, wherein positioning the container includes positioning the container in axial alignment with the first cavity. 6. The method of claim 1, wherein positioning the container includes positioning the container using a crane system. 7. The method of claim 6, wherein positioning the container using the crane system includes translating the container using the crane system from a position at a container receiving area to a position in axial alignment with the first hole. 8. The method of claim 7, wherein the crane system comprises rails extending along the roof of the enclosure and a gantry crane operably coupled atop the rails. 9. The method of claim 8, wherein the crane system further comprises a frame structure extending from the enclosure and into the container receiving area. 10. The method of claim 8, wherein the rails are positioned on the roof of the enclosure in vertical alignment with the walls of the enclosure. 11. The method of claim 1 wherein positioning the array of metal shells in the internal space of the enclosure includes fastening each of the metal shells to the floor and the roof. 12. The method of claim 1 further comprising: providing the array of metal shells such that each of the metal shells comprises a first tubular section, a flange plate extending radially outward from the first tubular section, and a second tubular section extending upward from an outer edge of the flange plate; andforming each hole of the array of holes by a stepped surface comprising a first riser surface, a tread surface, and a second riser surface. 13. The method of claim 12 wherein positioning the array of metal shells in the internal space of the enclosure comprises positioning each metal shell such that the flange plate of the metal shell contacts and rests atop of the tread surface of one of the holes of the array of holes. 14. The method of claim 13 wherein when the flange plate of the metal shell is resting atop of the tread surface of one of the holes of the array of holes, the second tubular section of the metal shell protrudes above a top surface of the roof. 15. The method of claim 1 wherein positioning the array of metal shells in the internal space of the enclosure comprises positioning the array of metal shells within a single uninterrupted volume that forms the internal space of the enclosure. 16. The method of claim 15 wherein the roof and the floor are separated by the internal space, and wherein positioning the array of metal shells in the internal space of the enclosure includes positioning the array of metal shells so that a major portion of a length of each of the metal shells is located within the single uninterrupted volume of the internal space. 17. The method of claim 16 wherein positioning the array of metal shells in the internal space of the enclosure includes positioning the array of metal shells so that spaces are formed between adjacent metal shells along the major portion of the length of the metal shells, the spaces between adjacent metal shells being empty. 18. The method of claim 1 wherein positioning the array of metal shells in the internal space of the enclosure includes positioning the array of metal shells so that each metal shell is circumferentially surrounded by the internal space. 19. A method for storing high level radioactive waste, the method comprising: providing an enclosure comprising walls having inlet ventilation ducts, a roof including a plurality of holes, and a floor, the walls, the roof, and the floor collectively forming an internal space having a single uninterrupted volume;positioning a plurality of shells in the internal space of the enclosure so that each shell is circumferentially surrounded by the internal space, each shell forming a cavity which is co-axial with one of the plurality of holes in the roof;positioning a container holding high level radioactive waste above the enclosure;lowering the container through a first hole of the plurality of holes and into a first cavity of a first shell of the plurality of shells; andplacing a lid over the first hole. 20. The method of claim 19 wherein positioning the plurality of shells in the internal space of the enclosure includes fastening each of the shells to the floor and the roof of the enclosure so that the shells provide load bearing support to the roof.
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