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196 条记录 (耗时 0.013 秒)

    Integral molten salt reactor
    68.
    发明授权
    Integral molten salt reactor 有权

    公开(公告)号：US10056160B2

    公开(公告)日：2018-08-21

    申请号：US14451703

    申请日：2014-08-05

    申请人： TERRESTRIAL ENERGY INC.

    发明人： David LeBlanc

    IPC分类号： G21C1/22 ,  G21C1/32 ,  G21D3/00 ,  G21D9/00 ,  G21C5/02 ,  G21C17/112 ,  G21C19/28 ,  G21D1/00

    CPC分类号： G21C1/22 ,  G21C1/322 ,  G21C5/02 ,  G21C17/112 ,  G21C19/28 ,  G21D1/00 ,  G21D3/00 ,  G21D9/00 ,  Y02E30/39

    摘要： The present relates to the integration of the primary functional elements of graphite moderator and reactor vessel and/or primary heat exchangers and/or control rods into an integral molten salt nuclear reactor (IMSR). Once the design life of the IMSR is reached, for example, in the range of 3 to 10 years, it is disconnected, removed and replaced as a unit. The spent IMSR functions as the medium or long term storage of the radioactive graphite and/or heat exchangers and/or control rods and/or fuel salt contained in the vessel of the IMSR. The present also relates to a nuclear reactor that has a buffer salt surrounding the nuclear vessel. During normal operation of the nuclear reactor, the nuclear reactor operates at a temperature that is lower than the melting point of the buffer salt and the buffer salt acts as a thermal insulator. Upon loss of external cooling, the temperature of the nuclear reactor increases and melts the buffer salt, which can then transfer heat from the nuclear core to a cooled containment vessel.

    Seismic attenuation system for a nuclear reactor
    70.
    发明授权
    Seismic attenuation system for a nuclear reactor 有权

    公开(公告)号：US09881703B2

    公开(公告)日：2018-01-30

    申请号：US14528123

    申请日：2014-10-30

    申请人： NuScale Power, LLC

    发明人： Tamas Liszkai ,  Seth Cadell

    IPC分类号： G21C9/04 ,  G21C5/10 ,  G21C13/024 ,  G21C1/32

    CPC分类号： G21C9/04 ,  G21C1/32 ,  G21C1/322 ,  G21C5/10 ,  G21C9/00 ,  G21C13/024 ,  G21C13/032 ,  G21C13/04 ,  G21D1/00 ,  G21D3/04 ,  Y02E30/40

    摘要： A system for attenuating seismic forces includes a reactor pressure vessel containing nuclear fuel and a containment vessel that houses the reactor pressure vessel. Both the reactor pressure vessel and the containment vessel include a bottom head. Additionally, the system includes a base support to contact a support surface on which the containment vessel is positioned in a substantially vertical orientation. An attenuation device is located between the bottom head of the reactor pressure vessel and the bottom head of the containment vessel. Seismic forces that travel from the base support to the reactor pressure vessel via the containment vessel are attenuated by the attenuation device in a direction that is substantially lateral to the vertical orientation of the containment vessel.