FAST REACTOR VESSEL
PROBLEM TO BE SOLVED: To provide a fast reactor vessel which achieves safety improvement by increasing the capability to cool a high-temperature core catcher and a molten fuel at an upper part of the core catcher when fuel melting occurs.SOLUTION: A fast reactor vessel includes: a core of a fast rea...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
20.02.2014
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Subjects | |
Online Access | Get full text |
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Abstract | PROBLEM TO BE SOLVED: To provide a fast reactor vessel which achieves safety improvement by increasing the capability to cool a high-temperature core catcher and a molten fuel at an upper part of the core catcher when fuel melting occurs.SOLUTION: A fast reactor vessel includes: a core of a fast reactor; a coolant cooling the core; a floor-like member supporting the core; and a retaining member which is provided under the floor-like member as a boundary and which retains a molten fuel when meltdown occurs. A communication part for communicating between an upper part and lower part of the floor-like member and a flow channel for introducing the coolant at the upper part of the floor-like member to a lower part of the retaining member are provided in order to circulate the coolant so as to cool the molten fuel retained by the retaining member. |
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AbstractList | PROBLEM TO BE SOLVED: To provide a fast reactor vessel which achieves safety improvement by increasing the capability to cool a high-temperature core catcher and a molten fuel at an upper part of the core catcher when fuel melting occurs.SOLUTION: A fast reactor vessel includes: a core of a fast reactor; a coolant cooling the core; a floor-like member supporting the core; and a retaining member which is provided under the floor-like member as a boundary and which retains a molten fuel when meltdown occurs. A communication part for communicating between an upper part and lower part of the floor-like member and a flow channel for introducing the coolant at the upper part of the floor-like member to a lower part of the retaining member are provided in order to circulate the coolant so as to cool the molten fuel retained by the retaining member. |
Author | KIMURA YUKIHIKO ITOOKA SATOSHI |
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RelatedCompanies | HITACHI-GE NUCLEAR ENERGY LTD |
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Snippet | PROBLEM TO BE SOLVED: To provide a fast reactor vessel which achieves safety improvement by increasing the capability to cool a high-temperature core catcher... |
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SubjectTerms | NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS |
Title | FAST REACTOR VESSEL |
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