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    • 2. 发明授权
    • Apparatus for retention of molten material outside generation IV reactor after nuclear power plant accident
    • 在核电厂事故发生后,在第IV代反应堆外保留熔融材料的设备
    • US09384863B2
    • 2016-07-05
    • US14130402
    • 2012-06-20
    • Mingguang ZhengCheng YeGuoxing GuJinquan YanYuanwei YeGuobao ShiSong ChenKemei Cao
    • Mingguang ZhengCheng YeGuoxing GuJinquan YanYuanwei YeGuobao ShiSong ChenKemei Cao
    • G21C9/00G21C9/016G21C13/02
    • G21C9/016G21C13/02Y02E30/40
    • An apparatus for retention of molten material for a Generation IV reactor after a nuclear power plant accident comprises an inner wall which is peripherally closed, a vapor channel wall with an opening at the bottom fixed in the inner side of the inner wall, a pressure vessel disposed in the vapor channel wall, a vapor rising channel formed between the pressure vessel and the vapor channel wall, and it further comprises an outer wall surrounding the inner wall, a core molten material retention apparatus fixed at the bottom of the inner wall, and a deflector keeping away from the inner wall and the core molten material retention apparatus to form a gap; wherein a coolant falling channel is formed between the outer wall and the deflector, a coolant inlet is disposed at the bottom of the deflector, and a coolant channel is disposed between the inner wall and the core molten material retention apparatus; a core molten material retention recess is disposed at the upper surface of the core molten material retention apparatus, and the lower surface of the core molten material retention apparatus is arch-shaped; the core molten material retention apparatus is made of non-metal inorganic fireproof material. The invention adopts the design of molten material retention outside the reactor, using different material containing molten material and cooling the molten material by coolant cycle and the deflector structure, thus to improve the safety of the nuclear power plant.
    • 用于在核电站事故发生后保留用于第IV代反应器的熔融材料的装置包括:外围封闭的内壁,在内壁的内侧固定有底部的开口的蒸气通道壁,压力容器 设置在蒸汽通道壁中,形成在压力容器和蒸汽通道壁之间的蒸汽上升通道,并且还包括围绕内壁的外壁,固定在内壁底部的芯熔融材料保持装置,以及 偏转器远离内壁和芯熔融材料保持装置形成间隙; 其中在所述外壁和所述偏转器之间形成冷却剂下落通道,在所述偏转器的底部设置冷却剂入口,并且在所述内壁和所述芯熔融材料保持装置之间设置冷却剂通道; 核心熔融材料保持装置的上表面设置有芯熔融材料保持凹部,芯熔融材料保持装置的下表面为拱形; 核心熔融材料保持装置由非金属无机防火材料制成。 本发明采用熔融材料保留在反应器外部的设计,使用含有熔融材料的不同材料,并通过冷却剂循环和偏转器结构冷却熔融材料,从而提高核电站的安全性。
    • 3. 发明申请
    • APPARATUS FOR RETENTION OF MOLTEN MATERIAL OUTSIDE GENERATION IV REACTOR AFTER NUCLEAR POWER PLANT ACCIDENT
    • 在核电厂事故发生后,维持外部生成的IV物质的反应器的装置
    • US20140241483A1
    • 2014-08-28
    • US14130402
    • 2012-06-20
    • Mingguang ZhengCheng YeGuoxing GuJinquan YanYuanwei YeGuobao ShiSong Chenkemei Cao
    • Mingguang ZhengCheng YeGuoxing GuJinquan YanYuanwei YeGuobao ShiSong Chenkemei Cao
    • G21C9/016
    • G21C9/016G21C13/02Y02E30/40
    • An apparatus for retention of molten material for a Generation IV reactor after a nuclear power plant accident comprises an inner wall which is peripherally closed, a vapor channel wall with an opening at the bottom fixed in the inner side of the inner wall, a pressure vessel disposed in the vapor channel wall, a vapor rising channel formed between the pressure vessel and the vapor channel wall, and it further comprises an outer wall surrounding the inner wall, a core molten material retention apparatus fixed at the bottom of the inner wall, and a deflector keeping away from the inner wall and the core molten material retention apparatus to form a gap; wherein a coolant falling channel is formed between the outer wall and the deflector, a coolant inlet is disposed at the bottom of the deflector, and a coolant channel is disposed between the inner wall and the core molten material retention apparatus; a core molten material retention recess is disposed at the upper surface of the core molten material retention apparatus, and the lower surface of the core molten material retention apparatus is arch-shaped; the core molten material retention apparatus is made of non-metal inorganic fireproof material. The invention adopts the design of molten material retention outside the reactor, using different material containing molten material and cooling the molten material by coolant cycle and the deflector structure, thus to improve the safety of the nuclear power plant.
    • 用于在核电站事故发生后保留用于第IV代反应器的熔融材料的装置包括:外围封闭的内壁,在内壁的内侧固定有底部的开口的蒸气通道壁,压力容器 设置在蒸汽通道壁中,形成在压力容器和蒸汽通道壁之间的蒸汽上升通道,并且还包括围绕内壁的外壁,固定在内壁底部的芯熔融材料保持装置,以及 偏转器远离内壁和芯熔融材料保持装置形成间隙; 其中在所述外壁和所述偏转器之间形成冷却剂下落通道,在所述偏转器的底部设置冷却剂入口,并且在所述内壁和所述芯熔融材料保持装置之间设置冷却剂通道; 核心熔融材料保持装置的上表面设置有芯熔融材料保持凹部,芯熔融材料保持装置的下表面为拱形; 核心熔融材料保持装置由非金属无机防火材料制成。 本发明采用熔融材料保留在反应器外部的设计,使用含有熔融材料的不同材料,并通过冷却剂循环和偏转器结构冷却熔融材料,从而提高核电站的安全性。