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    • 2. 发明申请
    • FUEL ASSEMBLY FOR A NUCLEAR BOILING WATER REACTOR
    • 燃料组件用于核燃料水反应堆
    • WO2016046049A1
    • 2016-03-31
    • PCT/EP2015/071279
    • 2015-09-17
    • WESTINGHOUSE ELECTRIC SWEDEN AB
    • BERGMANN, UffeAURÉN, JonasJOHANSSON, Lars-Erik
    • G21C3/322G21C3/326G21C3/328
    • G21C3/322G21C3/326G21C3/328G21C3/34G21C19/10G21C2003/3225Y02E30/31Y02E30/38
    • The present invention concerns a fuel assembly (4) for a nuclear power boiling water reactor, comprising: a fuel channel (6) defining a central fuel channel axis (8), fuel rods (10), each having a central fuel rod axis (12), at least 3 water channels (14) for non-boiling water, each water channel having a central water channel axis (16) and each water channel having a larger cross-sectional area than the cross-sectional area of (the average) fuel rod (10). The fuel rods (10) comprise a first group of full length fuel rods and a second group of shorter fuel rods. The fuel assembly (4) comprises at least 5 fuel rods which belong to said second group and which are positioned such that the central fuel rod axis (12) of each of these at least 5 fuel rods is closer to the central fuel channel axis (8) than any of the water channel axes (16) of the water channels (14).
    • 本发明涉及一种用于核电沸水反应堆的燃料组件(4),包括:限定中心燃料通道轴线(8)的燃料通道(6),燃料棒(10),每个具有中心燃料棒轴线 12),用于非沸水的至少3个水通道(14),每个水通道具有中心水通道轴线(16),并且每个水通道具有比横截面积大的横截面积(平均值 )燃料棒(10)。 燃料棒(10)包括第一组全长燃料棒和第二组较短的燃料棒。 燃料组件(4)包括属于所述第二组的至少5个燃料棒,其被定位成使得这些至少5个燃料棒中的每个燃料棒的中心燃料棒轴线(12)更靠近中心燃料通道轴线 8)比水通道(14)的任何水通道轴线(16)都高。
    • 4. 发明申请
    • NUCLEAR REACTOR REFUELING METHODS AND APPARATUSES
    • 核反应堆补救方法和装置
    • WO2013028286A1
    • 2013-02-28
    • PCT/US2012/047171
    • 2012-07-18
    • BABCOCK & WILCOX NUCLEAR ENERGY, INC.ALES, Matthew, W.WALTON, Lewis, A.
    • ALES, Matthew, W.WALTON, Lewis, A.
    • G21C19/10
    • G21C19/10G21C19/205
    • Refueling of a nuclear reactor (40) includes removing a fuel assembly (10). The removal method includes lowering a lifting tool (80) of a crane (44) onto a top of the fuel assembly. The lowered lifting tool including a plurality of downwardly extending elements (82) that surround and vertically overlap a portion (74) of a control rod assembly (70) extending above the top of the fuel assembly. The downwardly extending elements are locked with corresponding mating features (26) at the top of the fuel assembly to connect the lifting tool with the fuel assembly. The connected fuel assembly is moved into a spent fuel pool (42) using the crane, and the lifting tool is disconnected from the top of the fuel assembly by unlocking the downwardly extending elements from the corresponding mating features at the top of the fuel assembly.
    • 核反应堆(40)的加油包括移除燃料组件(10)。 拆卸方法包括将起重机(44)的提升工具(80)降低到燃料组件的顶部上。 所述降低的提升工具包括多个向下延伸的元件(82),所述多个向下延伸的元件围绕并垂直地重叠在燃料组件的顶部上方延伸的控制杆组件(70)的部分(74)。 向下延伸的元件在燃料组件的顶部与对应的配合特征(26)锁定,以将提升工具与燃料组件相连接。 使用起重机将连接的燃料组件移动到乏燃料池(42)中,并且通过从燃料组件的顶部处的对应配合特征解锁向下延伸的元件,提升工具从燃料组件的顶部断开。
    • 8. 发明申请
    • RISER TRANSITION ELEMENT FOR COMPACT NUCLEAR REACTOR
    • 紧凑型核反应堆的上升过渡元件
    • WO2013162898A3
    • 2015-06-18
    • PCT/US2013036094
    • 2013-04-11
    • BABCOCK & WILCOX MPOWER INC
    • SHARGOTS SCOTT J
    • G21C15/14
    • G21C7/12E02D29/12G21C1/32G21C5/06G21C5/10G21C7/08G21C13/024G21C19/10G21C19/19G21C19/20G21C19/205Y02E30/40
    • A nuclear reactor core is disposed in a pressure vessel along with upper internals disposed in the pressure vessel above the reactor core. The upper internals include internal control rod drive mechanisms (CRDMs) mounted on a suspended support assembly. A hollow cylindrical central riser is disposed in the pressure vessel above the nuclear reactor core. A hollow cylindrical section is disposed in the pressure vessel below the hollow cylindrical central riser and surrounding the nuclear reactor core. A riser transition element connects with the hollow cylindrical central riser and the hollow cylindrical section to form a continuous hollow cylindrical flow separator. The suspended support assembly of the upper internals is suspended from the riser transition element. The pressure vessel may comprise upper and lower vessel sections connected by a mid-flange, with the riser transition element welded to the mid-flange by gussets extending outward and upward from the riser transition element to the mid-flange.
    • 核反应堆核心与设置在反应堆堆芯上方的压力容器中的上部内件一起设置在压力容器中。 上部内部件包括安装在悬挂的支撑组件上的内部控制杆驱动机构(CRDM)。 中空的圆柱形中央提升管设置在核反应堆核心上方的压力容器中。 中空圆柱形部分设置在中空圆柱形中央提升管下方的压力容器中并围绕核反应堆核心。 提升过渡元件与中空圆柱形中心提升管和中空圆柱形部分连接以形成连续的中空圆柱形流动分离器。 上部内件的悬挂的支撑组件从提升板过渡元件悬挂。 压力容器可以包括通过中间凸缘连接的上部和下部容器部分,其中提升管过渡元件通过从提升管过渡元件向外和向上延伸到中间凸缘的角撑板焊接到中间凸缘。
    • 9. 发明申请
    • RISER TRANSITION ELEMENT FOR COMPACT NUCLEAR REACTOR
    • 紧凑型核反应堆的上升过渡元件
    • WO2013162898A2
    • 2013-10-31
    • PCT/US2013/036094
    • 2013-04-11
    • BABCOCK & WILCOX MPOWER, INC.
    • SHARGOTS, Scott, J.
    • G21C7/12G21C19/20
    • G21C7/12E02D29/12G21C1/32G21C5/06G21C5/10G21C7/08G21C13/024G21C19/10G21C19/19G21C19/20G21C19/205Y02E30/40
    • A nuclear reactor core is disposed in a pressure vessel along with upper internals disposed in the pressure vessel above the reactor core. The upper internals include internal control rod drive mechanisms (CRDMs) mounted on a suspended support assembly. A hollow cylindrical central riser is disposed in the pressure vessel above the nuclear reactor core. A hollow cylindrical section is disposed in the pressure vessel below the hollow cylindrical central riser and surrounding the nuclear reactor core. A riser transition element connects with the hollow cylindrical central riser and the hollow cylindrical section to form a continuous hollow cylindrical flow separator. The suspended support assembly of the upper internals is suspended from the riser transition element. The pressure vessel may comprise upper and lower vessel sections connected by a mid-flange, with the riser transition element welded to the mid-flange by gussets extending outward and upward from the riser transition element to the mid-flange.
    • 核反应堆核心与设置在反应堆堆芯上方的压力容器中的上部内件一起设置在压力容器中。 上部内部件包括安装在悬挂支撑组件上的内部控制杆驱动机构(CRDM)。 中空圆柱形中央提升管设置在核反应堆核心上方的压力容器中。 中空圆柱形部分设置在中空圆柱形中央提升管下方的压力容器中并围绕核反应堆核心。 提升过渡元件与中空圆柱形中央提升管和中空圆柱形部分连接,以形成连续的中空圆柱形流动分离器。 上部内件的悬挂的支撑组件从立管过渡元件悬挂。 压力容器可以包括通过中间凸缘连接的上部和下部容器部分,其中提升过渡元件通过从提升管过渡元件向外和向上延伸到中间凸缘的角撑板焊接到中间凸缘。
    • 10. 发明申请
    • DISPOSITIF DE RETOURNEMENT D'UN CONTENEUR, NOTAMMENT POUR ASSEMBLAGE DE COMBUSTIBLE NUCLÉAIRE, ENSEMBLE DE RETOURNEMENT ET CENTRALE NUCLÉAIRE
    • 用于装配集装箱的装置,特别是用于组装核燃料,转动装置和核电厂
    • WO2012110645A1
    • 2012-08-23
    • PCT/EP2012/052796
    • 2012-02-17
    • AREVA NPBRESOUS, Luc
    • BRESOUS, Luc
    • G21C19/11G21F5/14G21C19/19G21C19/32G21C3/334G21C3/335
    • G21C19/10G21C3/334G21C3/335G21C19/11G21C19/19G21C19/32G21F5/14
    • Dispositif de retournement d'un conteneur, notamment pour assemblage de combustible nucléaire, ensemble de retournement et centrale nucléaire Le dispositif de retournement (6) d'un conteneur (4) autour d'un axe de retournement (A) comprend un organe de support fixe (18), deux organes d'appui (14, 16) espacés suivant l'axe de retournement (A) de part et d'autre d'un espace de réception du conteneur (4) et propres à servir d'appui au conteneur (4) tout en permettant la rotation du conteneur par rapport aux organes d'appui (14, 16) autour de l'axe de retournement (A). Le dispositif comprend un organe de support mobile (20) monté rotatif sur l'organe de support fixe (18) autour de l'axe de retournement (A), au moins un organe d'appui (14, 6) étant porté par l'organe de support mobile (20) en étant monté rotatif autour de l'axe d'entraînement (A) sur l'organe de support mobile (20), le ou chaque organe d'appui (14, 6) porté par l'organe de support mobile (20) restant immobile en rotation autour de l'axe de retournement (A) par rapport à l'organe de support fixe (18) lors de la rotation de l'organe de support mobile (20) autour de l'axe de retournement (A) par rapport à l'organe de support fixe (18).
    • 本发明涉及一种用于转动围绕转动轴线(A)的容器(4)的装置(6),包括一个固定保持件(18)和两个沿着转动轴线间隔开的轴承件(14,16) A)在用于接收容器(4)的空间的每一侧上,并且能够用于承载在容器(4)上,同时能够使容器围绕转动轴线(A)相对于轴承构件旋转 (14,16)。 该装置包括一个可移动的保持构件,该活动保持构件安装在固定保持构件上,以便围绕转动轴线A旋转,至少一个支承构件14,16由可动保持构件 (20)同时安装在所述可动保持构件(20)上以围绕所述驱动轴线(A)旋转,所述支撑构件(14,16)由所述可动保持构件(20)支撑而不围绕所述转动 当可移动保持构件(20)相对于固定保持构件(18)围绕转动轴线(A)旋转时,相对于固定保持构件(18)的轴线(A)。