DISASSEMBLY METHOD OF ATOMIC POWER PLANT
PROBLEM TO BE SOLVED: To provide a disassembly method of an atomic power plant capable of substantially reducing a cost required for the disassembly without lowering an efficiency of the disassembly work of the atomic power plant.SOLUTION: A disassembly method of an atomic power plant includes: a st...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a disassembly method of an atomic power plant capable of substantially reducing a cost required for the disassembly without lowering an efficiency of the disassembly work of the atomic power plant.SOLUTION: A disassembly method of an atomic power plant includes: a step of taking out a fuel from an atomic core vessel to be stored in a fuel storage pool; a step of carrying out the fuel from the fuel storage pool; a step of taking out a core inner structure inside the atomic core vessel into a work pool located above the atomic core vessel and accumulated with water and disassembling the core inner structure in the water accumulated in the work pool after taking out the fuel from the atomic core vessel ; a step of carrying out the disassembled core inner structure from the work pool; and a step of draining the water of the work pool after carrying out the core inner structure outside of the work pool. The taking out and disassembly work of the core inner structure is started before completion of the carrying out of the fuel from the fuel storage pool.SELECTED DRAWING: Figure 5
【課題】原子力プラントの解体作業の効率を低下させることなく、解体に要するコストを大幅に削減し得る原子力プラントの解体方法を提供する。【解決手段】原子力プラントの解体方法は、原子炉容器から燃料を取り出して燃料貯蔵プールに貯蔵するステップと、前記燃料貯蔵プールから前記燃料を搬出するステップと、前記原子炉容器からの前記燃料の取出し後、前記原子炉容器の上方に位置するとともに水が貯留された作業用プールに前記原子炉容器内の炉内構造物を取り出し、前記作業用プールに貯留された前記水の中で前記炉内構造物を解体するステップと、解体された前記炉内構造物を前記作業用プールから搬出するステップと、前記炉内構造物の前記作業用プール外への搬出後、前記作業用プールの前記水を抜くステップと、を備え、前記炉内構造物の取出し及び解体作業は、前記燃料貯蔵プールからの前記燃料の搬出完了前に開始する。【選択図】 図5 |
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