Patent ID: 6452993
Filing Date: 2002-09-17
Classification: G21D,Y02E

Abstract:
A reactor pressure vessel carrying out method of carrying out of a radioactivated reactor pressure vessel from a reactor building of a nuclear power plant, comprising:providing a first opening portion for carrying out said reactor pressure vessel in a region, positioned at an upper portion of said reactor pressure vessel, of a roof of said reactor building; carrying a radiation shield for covering said reactor pressure vessel and shielding radiations into said reactor building through said first opening portion, and installing said radiation shield on an upper side of said reactor pressure vessel; lowering a hanger for hanging up said reactor pressure vessel through said first opening portion and a second opening portion provided on an upper end portion of said radiation shield; abutting a part of the upper end portion of said reactor pressure vessel and a part of the upper portion of said radiation shield by raising said reactor pressure vessel by said hanger; and hanging up and carrying said reactor pressure vessel and said radiation shield abutting said reactor pressure vessel out of said reactor building.