SPENT NUCLEAR FUEL ASSEMBLY STORAGE CONTAINER, ASSEMBLY OF SPENT NUCLEAR FUEL ASSEMBLY STORAGE CONTAINERS, AND METHOD OF ASSEMBLING SPENT NUCLEAR FUEL ASSEMBLY STORAGE CONTAINER
First Claim
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1. A spent nuclear fuel assembly storage container comprising:
- a metal cask which stores a spent nuclear fuel assembly therein;
a container body which stores the metal cask and has a substantially hexagonal tubular shape; and
a concave portion which is formed on an outer surface of the container body having the substantially hexagonal tubular shape, is recessed inward, and extends in a longitudinal direction,wherein the concave portion forms an external cooling passage for a cooling gas when an outer surface of the container body is joined to an outer surface of another container body.
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Abstract
The present invention provides a spent nuclear fuel assembly storage including a metal cask which stores a spent nuclear fuel assembly and a container body which stores the metal cask and has a substantially hexagonal tubular shape, and an assembly of the spent nuclear fuel assembly storage containers, and a method of assembling the spent nuclear fuel assembly storage container.
9 Citations
12 Claims
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1. A spent nuclear fuel assembly storage container comprising:
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a metal cask which stores a spent nuclear fuel assembly therein; a container body which stores the metal cask and has a substantially hexagonal tubular shape; and a concave portion which is formed on an outer surface of the container body having the substantially hexagonal tubular shape, is recessed inward, and extends in a longitudinal direction, wherein the concave portion forms an external cooling passage for a cooling gas when an outer surface of the container body is joined to an outer surface of another container body. - View Dependent Claims (2, 3, 4)
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5. A spent nuclear fuel assembly storage container comprising:
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a metal cask which stores a spent nuclear fuel assembly; a container body which stores the metal cask and has a substantially hexagonal tubular shape; and an internal cooling passage which is provided between the metal cask and an inner surface of the container body and is provided with a cooling gas supply passage and an exhaust passage communicating with external air at upper and lower portions thereof. - View Dependent Claims (6, 7, 8)
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9. A spent nuclear fuel assembly storage container comprising:
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a metal cask which stores a spent nuclear fuel assembly; and a container body which stores the metal cask and has a substantially hexagonal tubular shape, wherein the container body is made of neutron shielding concrete including an aggregate mainly including colemanite and/or hilgardite collected from an ore of an evaporation type sedimentary deposit and a cement which is a consolidating material and is manufactured by mixing the cement with the colemanite and/or hilgardite as an aggregate excluding ulexite and sassolite contained in the ore of the evaporation type sedimentary deposit.
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10. An assembly of spent nuclear fuel assembly storage containers in which spent nuclear fuel assembly storage containers each including a metal cask storing a spent nuclear fuel assembly and a container body storing the metal cask and having a substantially hexagonal tubular outer surface are arranged,
wherein the container bodies are arranged to have a honeycomb structure while the outer surfaces are brought into contact with each other, and wherein a space without the spent nuclear fuel assembly storage container is provided in such a manner that at least one outer surface of the bodies contacts external air.
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11. An assembly of spent nuclear fuel assembly storage containers in which spent nuclear fuel assembly storage containers each including a metal cask storing a spent nuclear fuel assembly and a container body storing the metal cask and having a substantially hexagonal tubular outer surface are arranged,
wherein the container bodies are arranged to have a honeycomb structure while the outer surfaces are brought into contact with each other, and wherein container bodies not storing the metal casks are arranged at a further outside of spent nuclear fuel assembly storage containers arranged at an outside of the spent nuclear fuel assembly storage containers.
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12. A method of assembling a spent nuclear fuel assembly storage container, comprising:
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installing a base; placing a metal cask storing a spent nuclear fuel assembly onto the base; and fixing the metal cask to the base by covering the metal cask using a member with a lid portion and a side cylindrical portion having a substantially hexagonal tubular shape.
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Specification