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    INTEGRAL REACTOR PRESSURE VESSEL TUBE SHEET
    9.
    发明公开
    INTEGRAL REACTOR PRESSURE VESSEL TUBE SHEET 审中-公开

    公开(公告)号：EP3454343A1

    公开(公告)日：2019-03-13

    申请号：EP18186390.3

    申请日：2014-10-17

    申请人： NuScale Power, LLC

    发明人： Liszkai, Tamas ,  Cadell, Seth ,  Kruskamp, Alex ,  Mallett, Matthew

    IPC分类号： G21C1/32 ,  G21C13/02 ,  G21C15/16 ,  G21C7/32 ,  F22B1/02 ,  G21C15/12 ,  G21D1/00

    摘要： A reactor pressure vessel tube sheet comprises a horizontally oriented plate that divides a reactor pressure vessel into an upper reactor pressure vessel region located above the plate and a lower reactor pressure vessel region located below the plate, wherein the plate is configured to provide a barrier between a pressurized volume located within the upper reactor pressure vessel region and a primary coolant located within the lower reactor pressure vessel region; a number of mounting holes located within the plate and configured to receive a plurality of heat transfer tubes that transmit a secondary coolant into the reactor pressure vessel; and a number of orifices located within the plate and configured to controllably allow the primary coolant to pass from the lower reactor pressure vessel region to the upper reactor pressure vessel region, and configured to pass the primary coolant and the secondary coolant through the plate without becoming comingled with each other. A thermal control system for a reactor pressure vessel comprises a plate attached to a wall of the reactor pressure vessel, wherein the plate, at least partially, divides the reactor pressure vessel into an upper reactor pressure vessel region and a lower reactor pressure vessel region; and a passageway formed in the plate and the wall of the reactor pressure vessel for fluid to pass between a plurality of heat transfer tubes located in the reactor pressure vessel and outside of the wall of the reactor pressure vessel.