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公开(公告)号：US11075017B2
公开(公告)日：2021-07-27
申请号：US15904616
申请日：2018-02-26
发明人： Kwang Jeok Ko , Ho Jung Lee , Min Gyu Kim , Yeon Ho Cho , Hyun Min Kim
摘要： The modular lower moving system for nuclear fuel handling includes: a lower reactor vessel assembly including nuclear fuel loaded therein; a carrier having a space allowing the lower reactor vessel assembly to be accommodated therein; a rail extending from a reactor area to a fuel handling area; a transfer cart horizontally movable along the rail; a lifting device installed at the transfer cart, movable upward or downward with respect to the transfer cart; and a drive device configured to supply power to the transfer cart and the lifting device. The method of refueling nuclear fuel using the modular lower moving system includes a carrier lifting process, a lower reactor vessel assembly detachment process, a process of accommodating the lower reactor vessel assembly in the carrier, a carrier lowering process, a transfer cart movement process, a nuclear fuel offloading process, and a nuclear fuel loading process.
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公开(公告)号：US10062461B2
公开(公告)日：2018-08-28
申请号：US14983114
申请日：2015-12-29
发明人： Kwang Jeok Ko , Ho Jung Lee , Il Seon Hwang , Min Gyu Kim , Sang Gyoon Chang
摘要： Provided is a device for transferring spent fuel between spent fuel storage pools. The device includes a transfer container extending in a direction, disposed in a vertical direction, and containing spent fuel therein; a guide frame configured to guide the transfer container while maintaining a vertical orientation of the transfer container; and a transfer unit configured to transfer the transfer container along the guide frame.
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公开(公告)号：US11569002B2
公开(公告)日：2023-01-31
申请号：US16997434
申请日：2020-08-19
发明人： Jin Seok Park , Soung Kyu Lee , Sung Hwan Kim , Kwang Jeok Ko , Min Gyu Kim , Yeon Ho Cho
摘要： The present disclosure relates to a transfer cask for transferring spent nuclear fuel. The transfer cask transfers a canister storing the spent nuclear fuel and includes a transfer container having a space for accommodating the canister; a neutron shielding body arranged on an outer periphery of the transfer container to shield neutrons; and an opening/closing portion that is coupled to a lower portion of the transfer container and opens and closes the lower portion of the transfer container, wherein the opening and closing portion, a support portion supporting the transfer container and having a first through hole in communication with the transfer container; a lid assembly having a first lid portion and a second lid portion that open and close the first through hole; and a base plate on which the support portion is seated and a second through hole through which the canister is drawn out is formed.
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