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    COOLING FACILITY IN A REACTOR VESSEL AND ELECTRIC POWER GENERATION SYSTEM
    1.
    发明申请
    COOLING FACILITY IN A REACTOR VESSEL AND ELECTRIC POWER GENERATION SYSTEM 审中-公开

    公开(公告)号：US20200161011A1

    公开(公告)日：2020-05-21

    申请号：US16615204

    申请日：2018-05-23

    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE ,  KING ABDULLAH CITY FOR ATOMIC AND RENEWABLE ENERGY

    Inventor： Youngin KIM ,  Seungyeob RYU ,  Joohyung MOON ,  Soojai SHIN ,  Seok KIM ,  Hyunjun CHO ,  Juhyeon YOON ,  Kilsung KWON

    IPC: G21D3/04 ,  G21C15/18 ,  G21C15/12 ,  G21D1/00 ,  F22B35/00 ,  G21C1/32 ,  G21C9/016 ,  G21D5/02

    Abstract: An in-vessel cooling and power generation system according to the present disclosure may include a small scale reactor vessel, a heat exchange section provided inside the reactor vessel, and formed to supply supercritical fluid to receive heat from a reactor coolant system in the reactor vessel, an electric power production section comprising a supercritical turbine formed to produce electric energy using the energy of the supercritical fluid whose temperature has increased while receiving heat from the reactor coolant system, a cooling section configured to exchange heat with the supercritical fluid discharged after driving the supercritical turbine to shrink a volume of the supercritical fluid, wherein the supercritical fluid that has received heat from the reactor coolant system in the heat exchange section is formed to circulate through the electric power production section, and the cooling section. The in-vessel cooling and power generation system according to the present disclosure may be continuously operated not only during a normal operation but also during an accident to perform in-vessel cooling, and produce emergency power, thereby improving the system reliability. In addition, the in-vessel cooling and power generation system according to the present disclosure may facilitate the application of a safety class or seismic design with a small scale facility, thereby improving the reliability due to the application of the safety class or seismic design.

    EMERGENCY CORE COOLING SYSTEM VALVE FOR INTEGRATED-TYPE REACTOR
    2.
    发明公开
    EMERGENCY CORE COOLING SYSTEM VALVE FOR INTEGRATED-TYPE REACTOR 审中-公开

    公开(公告)号：US20240153655A1

    公开(公告)日：2024-05-09

    申请号：US18278458

    申请日：2021-11-01

    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

    Inventor： Soo Jai SHIN ,  Cheongbong CHANG ,  Seungyeob RYU ,  Han-Ok KANG ,  Young-In KIM ,  Ji Han CHUN ,  Sung Won LIM ,  Joo Hyung MOON ,  Hun Sik HAN ,  Seok KIM ,  Hyunjun CHO

    IPC: G21C15/18 ,  G21C15/12

    CPC classification number: G21C15/18 ,  G21C15/12

    Abstract: According to an embodiment of the present invention, an emergency core cooling system (ECCS) valve provided between a reactor vessel of a system-integrated modular advanced reactor (SMART) and a small containment vessel formed to surround the reactor vessel so that a coolant is filled in a space between the reactor vessel and the small containment vessel in the event of a loss of coolant accident (LOCA) includes an outer shell connected to the reactor vessel and formed to protrude toward the small containment vessel and having a connector formed therein so as to communicatively connect an inside of the reactor vessel to an inside of the small containment vessel, an inner shell provided inside the outer shell at a preset distance from an inner wall of the outer shell, a piston movably constrained and inserted through a piston opening formed in the inner shell at a position facing the connector of the outer shell to open and close the connector, and a spring provided on an outer circumferential surface of the piston to provide a restoring force for moving the piston to a side of the reactor vessel, wherein the piston operates to open the connector when a difference between an internal pressure of the reactor vessel and an internal pressure of the small containment vessel is less than the restoring force of the spring.

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