REACTOR PRESSURE VESSEL REMOVAL METHOD

• Main Authors: IWATA KEIJI, FUJIKOSO SUSUMU
• Format: Patent
• Language: English; Japanese
• Published: 09.02.2022
• Subjects: DECONTAMINATION ARRANGEMENTS THEREFOR; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; PHYSICS; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL

To provide a reactor pressure vessel removal method capable of improving work efficiency.SOLUTION: A reactor pressure vessel removal method is provided, comprising: a first conveying step of conveying demolished parts of a reactor pressure vessel through a first conveyance route extending from the top of the reactor pressure vessel to an underground equipment room of a reactor building; and a second conveying step of conveying the demolished parts through a second conveyance route extending from the reactor building to a turbine building via a main steam piping room of the reactor building.SELECTED DRAWING: Figure 1 【課題】作業効率を従来よりも向上させることが可能な原子炉圧力容器の撤去工法を提供する。【解決手段】原子炉圧力容器の上部から原子炉建屋の地下設備室に至る第１搬送ルートを用いて原子炉圧力容器の解体物を搬送する第１搬送工程と、原子炉建屋の主蒸気配管室を介して原子炉建屋からタービン建屋に至る第２搬送ルートを用いて解体物を搬送する第２搬送工程とを有する。【選択図】図１