公开(公告)号：WO2023076676A1

公开(公告)日：2023-05-04

申请号：PCT/US2022/048431

申请日：2022-10-31

Applicant: BWXT ADVANCED TECHNOLOGIES LLC

Inventor： SHARGOTS, Scott, J. ,  ZIEGLER, Ryan, Z. ,  FLEMING, Emily, D. ,  BROWN, Jason, C.

IPC: G21C7/10 ,  G21C1/08 ,  G21C3/22 ,  G21C7/16 ,  G21D3/08 ,  G21C15/08

Abstract: A control rod drive mechanism having a torque tube, a control rod assembly including a connecting rod disposed within the torque tube and including an annular collar defining a key slot, an elongated key that is slidably receivable within the key slot, a lock cam assembly rotatably secured to a top end of the connecting rod and including a locking cam, and a holdout collar disposed non-rotatably within the torque tube, the holdout collar including a locking recess with an entry slot, wherein in a first axial position the lock cam assembly is rotatable with respect to the torque tube, and a second axial position the lock cam assembly is non-rotatable with respect to the torque tube.

公开(公告)号：WO2023076674A1

公开(公告)日：2023-05-04

申请号：PCT/US2022/048423

申请日：2022-10-31

Applicant: BWXT ADVANCED TECHNOLOGIES LLC

Inventor： SHARGOTS, Scott, J. ,  ZIEGLER, Ryan, Z. ,  FLEMING, Emily, D.

IPC: G21C7/10 ,  G21C7/117 ,  G21C7/12 ,  G21C9/02 ,  G21C7/00 ,  G21C7/06 ,  G21C7/14 ,  G21C7/16 ,  G21C19/10 ,  G21C19/12

Abstract: A control rod drive mechanism having a torque tube with an inner surface defining a central bore, a control rod assembly including a connecting rod. including a cam extending radially-outwardly therefrom and an annular collar defining a key slot, an elongated key that is slidably receivable within the key slot, and a holdout collar- disposed non-rotatably within the torque tube and defining a locking recess, wherein the connecting rod is axially --movable wIth respect to the torque tube between a first position in which the elongated key is disposed, within the key slot so that the connecting rod is non-rotatable with respect to the torque tube, and a second position in which the elongated key is removed from the key slot and the connecting rod is rotatable wIth respect to the torque tube.

公开(公告)号：WO2015032316A1

公开(公告)日：2015-03-12

申请号：PCT/CN2014/085811

申请日：2014-09-03

Applicant: 清华大学

Inventor： 张作义 ,  刁兴中 ,  张征明 ,  孙立斌 ,  闫贺

IPC: G21C7/10

CPC classification number: G21C7/107 ,  G21C7/11 ,  G21C7/12 ,  G21C7/14 ,  G21C7/20 ,  Y02E30/33 ,  Y02E30/36 ,  Y02E30/39

Abstract: 一种能单独实现冷停堆的反应堆侧反射层套叠式控制棒。该控制棒包括竖直且同轴设置的内棒（1）、外棒（2）以及导向筒组件（3），外棒（2）以及导向筒组件（3）为中空柱状体，内棒（1）的顶端可在外棒（2）内部上下移动，另一端随之在与位于导向筒组件（3）下方且与导向筒组件（3）同轴设置的控制棒通道（6）内部上下移动；外棒（2）顶端可在导向筒组件（3）内上下移动，另一端随之在控制棒通道（6）内部上下移动。本控制棒在不改变压力容器高度及其他现有模块式球床高温冷气堆总体设计参数的前提下，能最大限度地增加控制棒的有效长度、提高控制棒系统的反应性价值，同时简化了模块式球床高温冷气堆的启动及运行控制操作，为高温堆电站的安全经济运行奠定了技术基础。

公开(公告)号：WO2013176337A1

公开(公告)日：2013-11-28

申请号：PCT/KR2012/006622

申请日：2012-08-21

Applicant: 한국수력원자력 주식회사 ,  최영조 ,  김규형 ,  이용성 ,  김성환

Inventor： 최영조 ,  김규형 ,  이용성 ,  김성환

IPC: G21C7/10

CPC classification number: G21C7/10 ,  G21C7/12 ,  Y02E30/39

Abstract: 본 발명은 안정정지지진 등 지진 발생시 2채널의 제어봉 위치전송기가 작동불능이 되어 제어봉 위치전송기의 제어봉 위치전송 기능이 중단될 경우를 대비하여 상기 제어봉 위치전송기를 4채널로 증가시키도록 한 4채널 제어봉 위치전송기가 수용된 제어봉 구동장치 상부슈라우드를 제공하는데 그 목적이 있다. 상기한 목적을 달성하기 위한 본 발명에 따른 4채널 제어봉 위치전송기가 수용된 제어봉 구동장치 상부슈라우드는 상부슈라우드 상에 돌출형 원형상판이 설치되고, 상기 돌출형 원형상판 상에 4개의 리드 스위치 클램프가 설치되고, 상기 리드 스위치 클램프 상에 4개의 제어봉 위치전송기가 설치됨을 특징으로 한다.

Abstract translation: 本发明的目的是提供一种四通道控制杆位置传感器，其容纳在控制杆驱动装置的顶部护罩中，其中控制棒位置传感器的通道数量增加到四个， 控制杆位置传感器的控制杆位置传递功能由于在诸如安全停机地震等地震事件中的双通道控制杆位置传感器的故障而停止。 根据本发明，在控制杆驱动装置的上罩中的四通道控制杆位置传感器中，在顶罩中设置有突出的圆顶板，在突出圆顶上设置有四个引线开关夹 板和四个控制杆位置变送器设置在引线开关夹上。

公开(公告)号：WO2009134497A3

公开(公告)日：2009-11-05

申请号：PCT/US2009/033131

申请日：2009-02-05

Applicant: WESTINGHOUSE ELECTRIC COMPANY LLC

Inventor： HONE, Michael, J. ,  LONG, Carroll, J., Jr. ,  POMIRLEANU, Radu ,  GOLDENFIELD, Mark, P.

IPC: G21C7/10

Abstract: The present invention provides a gray rod control assembly (GRCA) containing an improved neutron absorber comprised of a porous matrix of refractory metal infused with a neutron absorbing metal or metal alloy for a nuclear reactor The reactor has a plurality of fuel assemblies, including numerous elongated fuel rods supported in an organized array by substantially transverse gπds, and a plurality of guide thimbles disposed through the support grids and along the fuel rods The ORCA includes a spider assembly structured to control insertion of gray rod assemblies within the thimbles of the fuel assembly, thereby controlling the rate of power produced by the reactor Delta-power of the reactor is improved by the relatively small percentage of neutron absorbing metal infused in the porous matrix of the refractory metal of the neutron absorber and by distributing the neutron absorber in segments among a plurality of rods of the GRCA

公开(公告)号：WO2022166513A1

公开(公告)日：2022-08-11

申请号：PCT/CN2022/070364

申请日：2022-01-05

Applicant: 中广核研究院有限公司 ,  中国广核集团有限公司 ,  中广核工程有限公司 ,  中国广核电力股份有限公司

Inventor： 薛喆 ,  庞铮铮 ,  李伟才

IPC: G21C7/103 ,  G21C7/10 ,  G21C7/11

Abstract: 一种控制棒吸收体组件（1）、控制棒（3）及控制棒组件。控制棒吸收体组件（1）包括第一吸收体（11）、第二吸收体（12）及应力传递组件（13）；应力传递组件（13）围设于第二吸收体（12）外周并与第二吸收体（12）形成应力组合体，应力传递组件（13）与第二吸收体（12）的外周之间设有用于容置第二吸收体（12）在径向发生膨胀时的让位空间（2）；第一吸收体（11）、应力组合体用于安装于控制棒（3）的包壳管（31）内，第一吸收体（11）和应力组合体沿包壳管（31）的轴向布置，第一吸收体（11）位于应力组合体的上方并用于下压应力组合体。通过设置应力传递组件（13），使得第二吸收体（12）不承受第一吸收体（11）的重力的作用，从而减小第二吸收体（12）的压缩蠕变；当第二吸收体（12）吸收中子发生径向膨胀时，发生膨胀的部分可容纳于让位空间（2）中，从而防止损坏包壳管（31）。

公开(公告)号：WO2013165501A3

公开(公告)日：2013-12-27

申请号：PCT/US2013025659

申请日：2013-02-12

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： ALLEN BRUCE F ,  FALVO GREGORY E

IPC: G21C7/10

CPC classification number: G21C7/14 ,  Y02E30/39

Abstract: The present invention relates to a control rod drive mechanism assembly for a nuclear reactor having a nuclear reactor vessel, a nuclear reactor core, a reactor vessel head, a latch housing nozzle, a latch housing, a rod travel housing, a latch assembly, a drive rod assembly and a rod control cluster assembly. The latch housing is integrated with the latch housing nozzle, the rod travel housing is welded to the latch housing, and the latch assembly is connected to the rod travel housing. The latch assembly includes the drive rod assembly and the rod control cluster assembly which is attached to the drive rod assembly.

Abstract translation: 本发明涉及一种用于核反应堆的控制棒驱动机构组件，其具有核反应堆容器，核反应堆堆芯，反应堆容器头，闩锁壳体喷嘴，闩锁壳体，杆行程壳体，闩锁组件，闩锁组件 驱动杆组件和杆控制组件组件。 闩锁壳体与闩锁壳体喷嘴成一体，杆移动壳体焊接到闩锁壳体，并且闩锁组件连接到杆移动壳体。 闩锁组件包括驱动杆组件和连接到驱动杆组件的杆控制组件组件。

公开(公告)号：WO2012102430A1

公开(公告)日：2012-08-02

申请号：PCT/KR2011/000690

申请日：2011-02-01

Applicant: 한국수력원자력 주식회사 ,  최영조 ,  장영호 ,  이재곤

Inventor： 최영조 ,  장영호 ,  이재곤

IPC: G21C7/10 ,  G21C7/12

CPC classification number: H01F27/022 ,  G21C7/10 ,  G21C7/12 ,  G21C21/18 ,  H01F5/06 ,  H01F27/327 ,  H01F41/127 ,  Y02E30/39

Abstract: 본 발명은 제어봉 구동장치용 코일의 내열 특성을 개선하여 수명을 향상시킴으로써 자동부하추종운전 시 제어봉 구동장치의 계속적인 작동에 의한 코일의 열화 및 제어봉의 낙하 가능성을 크게 감소시켜 원자력발전소의 안전성 및 경제성을 향상시킬 수 있는 제어봉 구동장치용 코일집합체 및 그 제조방법를 제공함에 그 목적이 있다. 이를 구현하기 위한 본 발명의 내열성을 향상시킨 제어봉 구동장치용 코일집합체는, 코일와이어(111)와, 그 외주면을 감싸는 PEEK(Polyether Ether Ketone) 코팅층(112)으로 이루어져 다층으로 권선되는 피복와이어(110); 상기 다층으로 권선된 피복와이어(110) 사이의 공극에 바니쉬를 충전하여 형성된 코일코팅층(130); 상기 코일코팅층(130)에 의해 절연된 상기 피복와이어(110) 권선층의 외측면을 둘러싸는 절연테이프층(120); 및 상기 절연테이프층(120)의 외측면을 둘러싸는 실리콘몰딩(140)을 포함한다.

Abstract translation: 本发明涉及一种用于控制杆驱动器的线圈组件，其中用于控制杆驱动器的线圈可以在热阻特性和寿命周期方面得到改善，以显着降低线圈的热劣化并降低控制棒的可能性 由于驾驶员在自动加载跟踪期间持续运行而下降，从而提高了核电厂的安全和经济性; 以及其制造方法。 为此，用于具有改进的热阻的控制棒驱动器的线圈组件包括：包括线圈线（111）和聚醚醚酮（PEEK）涂层（112）的涂覆线（110），其围绕 线圈线（111），其中所述被覆线（110）被卷绕成多层; 通过将清漆填充到限定在卷绕成多层的被覆线（110）之间的间隙中而制造的线圈涂层（130） 围绕由线圈涂层（130）绝缘的涂覆线（110）的缠绕层的外表面的绝缘带层（120）; 以及围绕绝缘带层（120）的外表面的硅模制件（140）。

公开(公告)号：WO2011149408A1

公开(公告)日：2011-12-01

申请号：PCT/SE2011/050586

申请日：2011-05-10

Applicant: WESTINGHOUSE ELECTRIC SWEDEN AB ,  JOHANSSON, Lennart, I.

Inventor： JOHANSSON, Lennart, I.

IPC: G21C3/33 ,  G21C7/10

CPC classification number: G21C3/33 ,  G21C3/3315 ,  G21C7/10 ,  Y02E30/39

Abstract: The invention refers to a fuel assembly comprising a lower end structure, an upper end structure including a top nozzle (5), a plurality of fuel rods and a plurality of guide thimbles (3). The top nozzle includes a passageway and an annular groove (10) in said passageway. A sleeve (1 1 ) is provided for attaching the guide thimble (3) to the top nozzle (5). The sleeve has at least three slots (12) and includes at least three bulges (13). Each bulge (13) has two ends and extends between two of the slots (12). At least one of the ends of the bulge (13) extends to a position at a distance (d) from the respective slot (12). The invention also refers to a guide thimble device (9) for use in a fuel assembly.

Abstract translation: 本发明涉及一种燃料组件，其包括下端结构，上端结构包括顶部喷嘴（5），多个燃料棒和多个导向套管（3）。 顶部喷嘴包括通道和在所述通道中的环形槽（10）。 提供一个用于将导向套管（3）附接到顶部喷嘴（5）的套筒（11）。 套筒具有至少三个槽（12）并且包括至少三个凸起（13）。 每个凸起（13）具有两个端部并且在两个槽（12）之间延伸。 凸起（13）的至少一个端部延伸到与相应的狭槽（12）成距离（d）的位置。 本发明还涉及一种用于燃料组件的导向套管装置（9）。

公开(公告)号：WO2011108974A1

公开(公告)日：2011-09-09

申请号：PCT/SE2011/050203

申请日：2011-02-23

Applicant: WESTINGHOUSE ELECTRIC SWEDEN AB ,  HALLSTADIUS, Lars ,  BACKMAN, Karin ,  REBENSDORFF, Björn ,  WIDEGREN, Hans

Inventor： HALLSTADIUS, Lars ,  BACKMAN, Karin ,  REBENSDORFF, Björn ,  WIDEGREN, Hans

IPC: G21C3/34 ,  G21C7/10 ,  B22F7/00 ,  B32B15/04 ,  C04B37/00 ,  C22C1/05 ,  C23C12/00 ,  C23C24/08

CPC classification number: G21C3/34 ,  B22F7/08 ,  C22C1/05 ,  C23C24/08 ,  C23C24/082 ,  G21C7/10 ,  Y02E30/39

Abstract: Reactor component adapted to be used in fission reactors comprising a core (2) consisting of a first material and a layer (3) consisting of a second material. The layer (3) encloses at least partly the core (2). The reactor component is characterized in that the component (1) comprises and intermediate layer (4) between the core (2) and the layer (3). The intermediate layer (4) has a material gradient that comprises a decrease of the concentration of the first material from the core (2) to the layer (3) and an increase of the concentration of the second material from the core (2) to the layer (3).

Abstract translation: 适用于裂变反应堆的反应器部件包括由第一材料和由第二材料组成的层（3）组成的芯体（2）。 层（3）至少部分地包围芯（2）。 反应器组件的特征在于组分（1）包括在芯（2）和层（3）之间的中间层（4）。 中间层（4）具有材料梯度，其包括从芯部（2）到层（3）的第一材料的浓度的降低和第二材料从芯部（2）的浓度增加到 层（3）。