公开(公告)号：WO2015085241A1

公开(公告)日：2015-06-11

申请号：PCT/US2014/068910

申请日：2014-12-05

Applicant: STC.UNM

Inventor： EL-GENK, Mohamed S.

IPC: G21C15/12

CPC classification number: G21C15/12 ,  G21C1/322 ,  G21C3/06 ,  G21C3/32 ,  G21C5/20 ,  G21C11/00 ,  G21C13/02 ,  G21D3/04 ,  G21Y2004/30 ,  G21Y2004/305 ,  Y02E30/35

Abstract: The present invention provides a modular nuclear reactor system comprising a reactor pressure vessel having a lower section having a first wall and a second wall and an upper section having a first wall and a second wall. The reactor includes a chimney with an attached heat exchanger. First and second passageways create a circulation loop wherein heated heat transfer fluid circulates up from the reactor core, through the chimney, through an upper plenum and downwardly past the heat exchanger, into a lower plenum and back into the core.

Abstract translation: 本发明提供了一种模块式核反应堆系统，其包括反应堆压力容器，其具有具有第一壁和第二壁的下部，以及具有第一壁和第二壁的上部。 反应器包括具有附接的热交换器的烟囱。 第一和第二通道产生循环回路，其中加热的传热流体从反应堆堆芯向上循环通过烟囱，通过上部通风室，并向下通过热交换器，进入下部增压室并回到芯部。

公开(公告)号：WO2013043451A1

公开(公告)日：2013-03-28

申请号：PCT/US2012/055056

申请日：2012-09-13

Applicant: WESTINGHOUSE ELECTRIC COMPANY LLC ,  DAVIN, Peter F.

Inventor： DAVIN, Peter F.

IPC: G21C19/36

CPC classification number: G21C19/32 ,  G21C7/113 ,  G21C19/207 ,  G21D1/003 ,  G21F9/36 ,  G21Y2002/402 ,  G21Y2004/305 ,  G21Y2004/60 ,  G21Y2004/601 ,  Y02E30/40 ,  Y10T29/49716 ,  Y10T29/49755 ,  Y10T29/49815 ,  Y10T29/49821 ,  Y10T29/49822 ,  Y10T29/49925 ,  Y10T29/531 ,  Y10T403/4941 ,  Y10T403/4966 ,  Y10T403/4991

Abstract: A method of reducing the volume of a blade section of a boiling water reactor control rod for transport or storage that cuts the control rod spline into four substantially equal longitudinal sections, with each longitudinal section including one control rod blade. Each longitudinal section is radiologically characterized and the locations of desired lateral segmentation are identified. A band of malleable metal is wrapped around each longitudinal section at each of the locations and the bands are sheared to separate segments of the longitudinal section and the ends of the bands are crimped at the point of shearing to seal the interior of the segments.

Abstract translation: 一种减少用于运输或储存的沸水反应堆控制棒的叶片部分的体积的方法，其将控制棒花键切割成四个基本相等的纵向部分，每个纵向部分包括一个控制杆叶片。 每个纵向部分放射学表征，并且识别期望的横向分割的位置。 在每个位置处，每个纵向部分缠绕有韧性的金属带，并且剪切带以分离纵向部分的部分，并且带的端部在剪切点处被卷曲以密封片段的内部。

公开(公告)号：WO2005071694A3

公开(公告)日：2005-09-22

申请号：PCT/FR2004003122

申请日：2004-12-03

Applicant: FRAMATOME ANP ,  BEATI ANGELO ,  HERTZ DOMINIQUE ,  GAUTHIER JACQUES ,  RONDEPIERRE JEAN-FRANCOIS

Inventor： BEATI ANGELO ,  HERTZ DOMINIQUE ,  GAUTHIER JACQUES ,  RONDEPIERRE JEAN-FRANCOIS

IPC: G21C3/12 ,  G21C3/32 ,  G21C3/33 ,  G21C5/06

CPC classification number: G21C3/12 ,  G21C3/32 ,  G21C3/33 ,  G21C5/06 ,  G21Y2002/104 ,  G21Y2002/303 ,  G21Y2004/305 ,  Y02E30/40

Abstract: The fuel assemblies (5) have a rigid, resistant structure (21) made up of a lower end-piece (16) and an upper end-piece (17) of the fuel assembly, said end-pieces being connected to each other by means of at least two longitudinal rigid connecting elements (22). The overall length of the framework of the fuel combustible is lower than the vertical distance between an upper surface of the lower plate of the core (7) and a lower surface of the upper surface of the core (8). The upper end-piece (17) of the fuel assemblies does not comprise a bladed bearing support. The lower end-piece (16) and upper end-piece (17) of each of the fuel assemblies comprise positioning openings wherein elastic clamping devices are mounted for the respective positioning pins (18,19) of the lower plate of the core (7) and the upper plate of the core (8). The fuel pencils (13) of the fuel assemblies are fixed on the lower end-piece (16). The framework (5a) of the fuel assemblies comprises the following elements inside the resistant structure (21): a plurality of guide tubes (15) which are slidingly mounted in at least one of the lower (16) and upper (17) end-pieces of the fuel assembly and a plurality of grid-cross members (14) for transversal maintenance of the pencils which are slidingly mounted in a longitudinal axial direction on the longitudinal connecting elements (22) of the resistant structure (21).

Abstract translation: 燃料组件（5）具有由燃料组件的下端部件（16）和上端部件（17）组成的刚性耐受结构（21），所述端部件通过 至少两个纵向刚性连接元件（22）的装置。 燃料可燃物的框架的总长度低于芯（7）的下板的上表面和芯（8）的上表面的下表面之间的垂直距离。 燃料组件的上端部件（17）不包括叶片式轴承支撑件。 每个燃料组件的下端部件（16）和上端部件（17）包括定位开口，其中弹性夹紧装置被安装用于芯部（7）的下板的相应定位销（18,19） ）和芯（8）的上板。 燃料组件的燃料笔（13）固定在下端部件（16）上。 燃料组件的框架（5a）包括在阻力结构（21）内部的以下元件：多个导向管（15），其滑动地安装在下端部（16）和上端部（17）中的至少一个中， （21）的纵向连接元件（22）上的燃料组件和多个用于横向维护铅笔的栅格横梁（14），栅格沿纵向轴向滑动安装在多个横梁上。

公开(公告)号：WO2005062312A3

公开(公告)日：2005-09-22

申请号：PCT/FR2004003242

申请日：2004-12-15

Applicant: FRAMATOME ANP ,  LE DANTEC OLIVIER ,  FUIN JEAN

Inventor： LE DANTEC OLIVIER ,  FUIN JEAN

IPC: F16L5/08 ,  G21C13/036

CPC classification number: F16L5/08 ,  G21C13/036 ,  G21Y2002/301 ,  G21Y2004/305 ,  Y02E30/40

Abstract: The invention relates to a system for sealing (20) an instrumentation column which passes through the cover (1) of a pressure vessel inside an adapter (3) that is fixed in a through hole in the cover. The aforementioned adapter projects out from the cover and comprises an end tube (8) which, together with the upper part of the column (5), defines an annular space for the positioning of at least one gasket (25, 27) which is disposed between a support bearing surface (12) of the column (5) and a gasket support (21). The inventive system comprises a limiter (30) for limiting the compression of the gasket (25, 27) and the gasket support (21), said gasket (25, 27) and compression limiter (30) being mechanically interconnected and forming an assembly that is intended to be mounted in the annular space or removed from said space in a single operation. The invention also relates to a method of assembling and disassembling said system for sealing an instrumentation column that passes through the cover of a pressure vessel, such as a nuclear reactor vessel.

Abstract translation: 本发明涉及一种用于密封（20）仪器柱的系统，其通过固定在盖中的通孔中的适配器（3）内的压力容器的盖（1）。 上述适配器从盖突出并且包括端部管（8），其与柱（5）的上部一起限定用于定位至少一个垫圈（25,27）的环形空间，该垫圈布置在 在柱（5）的支撑轴承表面（12）和垫圈支撑件（21）之间。 本发明的系统包括用于限制垫圈（25,27）和垫圈支撑件（21）的压缩的限制器（30），所述垫圈（25,27）和压缩限制器（30）机械地互连并形成组件， 旨在安装在环形空间中或者在单个操作中从所述空间移除。 本发明还涉及一种组装和拆卸所述用于密封通过诸如核反应堆容器的压力容器的盖的仪表柱的系统的方法。

公开(公告)号：WO00044002A1

公开(公告)日：2000-07-27

申请号：PCT/FR2000/000108

申请日：2000-01-19

IPC: G21C17/06

CPC classification number: G21C17/06 ,  G21Y2002/202 ,  G21Y2002/203 ,  G21Y2002/304 ,  G21Y2004/305 ,  G21Y2004/40

Abstract: The invention concerns a detector (15) of a radiation which can possibly be a neutron radiation and a detector (16) of another type of radiation, for example gamma radiation. The method consists in deducing a combustion rate or a radiation rate of the nuclear fuel (26) by measuring the measured value of a radiation assuming that the fuel has a specific composition. The activity of the other radiation is deduced from the radiation which should be obtained, and the accuracy of the assumption concerning the fuel composition is verified if the measured value is close to the deduced value. The apparatus (1) which enables to obtain satisfactory measurements in water-filled pool (26), is provided with means for being fixed to a pole (3) and for being placed (6, 9) in a predetermined position on a fuel storage cell structure (4). The apparatus is moved towards each fuel element.

Abstract translation: 本发明涉及可能是中子辐射的辐射的检测器（15）和另一种类型的辐射的检测器（16），例如γ辐射。 该方法包括通过测量假定燃料具有特定组成的辐射的测量值来推断核燃料（26）的燃烧速率或辐射速率。 其他辐射的活动是从应该获得的辐射推导出来的，如果测量值接近推导值，则验证关于燃料成分的假设的准确性。 能够在充水池（26）中获得令人满意的测量的装置（1）设置有用于固定到杆（3）并且被放置（6,9）在燃料储存器 电池结构（4）。 该装置朝向每个燃料元件移动。

公开(公告)号：WO1998011561A1

公开(公告)日：1998-03-19

申请号：PCT/DE1997001861

申请日：1997-08-27

Applicant: SIEMENS AKTIENGESELLSCHAFT ,  ECKARDT, Bernd ,  HILL, Axel

Inventor： SIEMENS AKTIENGESELLSCHAFT

IPC: G21C19/317

CPC classification number: G21C19/317 ,  G21Y2002/202 ,  G21Y2002/206 ,  G21Y2002/207 ,  G21Y2002/50 ,  G21Y2004/305 ,  G21Y2004/40

Abstract: According to the invention, a minor part of the total available catalytic surface, preferably less than 5 % of the surface, is permanently held at an increased temperature level with respect to the environment by energy supplied by a heating device (6, 8, 38, 42, 44). This part of the surface acts as an initial igniter.

Abstract translation: 根据本发明，通过加热装置的装置总的可用催化表面的一小部分，所述表面优选地小于5％，通过引入能量（6，8，38，42，44）被永久保持在温度水平，这是相反的周围环境的增加 ， 该表面部分用作一个雷管。

公开(公告)号：WO1997034305A1

公开(公告)日：1997-09-18

申请号：PCT/JP1997000772

申请日：1997-03-12

Applicant: EBARA CORPORATION ,  IIZUKA, Yoshitaka ,  IZUTSU, Masahiro

Inventor： EBARA CORPORATION

IPC: G21F07/005

CPC classification number: G21F7/005 ,  G21Y2002/201 ,  G21Y2002/301 ,  G21Y2002/501 ,  G21Y2004/303 ,  G21Y2004/305

Abstract: A shielding facility serves to prevent x-rays or gamma -rays which are generated by, for example, irradiation of electron beam from leaking out of an opening through a shield passage. The shielding facility includes a shielding wall (2) defining therein a shield passage (3) having an inlet opening and an outlet opening. The shielding wall (2) is adapted to accommodate a source (1) which generates x-rays or gamma -rays. The shielding facility further includes a plurality of partition walls (7-1, 7-2 and 7-3) disposed in the shield passage (3). The partition walls (7-1, 7-2 and 7-3) are bent at least one time between the inlet opening and the outlet opening of the shield passage (3).

Abstract translation: 屏蔽设备用于防止例如通过屏蔽通道从开口泄漏电子束的照射而产生的X射线或γ射线。 屏蔽设备包括屏蔽壁（2），其中限定有具有入口和出口的屏蔽通道（3）。 屏蔽壁（2）适于容纳产生x射线或γ射线的源（1）。 屏蔽设备还包括设置在屏蔽通道（3）中的多个分隔壁（7-1,7-2和7-3）。 分隔壁（7-1,7-2和7-3）在屏蔽通道（3）的入口和出口之间至少一次弯曲。

公开(公告)号：WO1996000966A1

公开(公告)日：1996-01-11

申请号：PCT/SE1995000709

申请日：1995-06-13

Applicant: ABB ATOM AB ,  NYLUND, Olov

Inventor： ABB ATOM AB

IPC: G21C03/328

CPC classification number: G21C11/06 ,  G21C3/322 ,  G21C3/328 ,  G21C5/02 ,  G21Y2002/102 ,  G21Y2004/305 ,  Y02E30/31 ,  Y02E30/34 ,  Y02E30/38

Abstract: A method for reducing the proportion of fast neutrons leaking out of a reactor core in a boiling water reactor. The reactor core comprises a plurality of fuel assemblies and is surrounded by a reactor vessel. Water flows upwards through the fuel assemblies and part of the water is thereby transformed into steam. A fuel assembly comprises a number of vertical channel-formed parts, so-called sub-channels (9g, 9h), to accommodate fuel bundles (15g). A fuel bundle comprises a plurality of fuel rods arranged between a bottom tie plate and a top tie plate. Openings (26a, 26b) are provided between adjacent sub-channels such that water and steam may flow between the sub-channels. The method comprises removing, in a plurality of those fuel assemblies which are located furthest out in the core, closest to the reactor vessel, one or more fuel bundles from sub-channels which are facing the reactor vessel, and replacing them with one or more devices (16h) for improving the neutron moderation in the upper portion of the fuel assembly. Such a device comprises means (17) for restricting the water flow in the upper portion of a sub-channel, and means (27) for blocking, downstream of the means for restriction, the openings (26b) between adjacent sub-channels.

Abstract translation: 一种减少在沸水反应器中从反应堆芯泄漏的快中子的比例的方法。 反应堆堆芯包括多个燃料组件，并被反应堆容器包围。 水向上流过燃料组件，部分水由此转变成蒸汽。 燃料组件包括多个垂直通道形成部分，即所谓的子通道（9g，9h），以容纳燃料束（15g）。 燃料束包括布置在底板和顶板之间的多个燃料棒。 开口（26a，26b）设置在相邻子通道之间，使得水和蒸汽可以在子通道之间流动。 该方法包括在最靠近反应器容器的位于最远处的核心中的多个那些燃料组件中移除一个或多个来自面向反应堆容器的子通道的燃料束，并且用一个或多个 装置（16h），用于改善燃料组件上部的中子调节。 这种装置包括用于限制在子通道的上部中的水流的装置（17），以及用于阻挡在相邻子通道之间的开口（26b）的限制装置下游的装置（27）。

公开(公告)号：WO2008132362A2

公开(公告)日：2008-11-06

申请号：PCT/FR2008/050443

申请日：2008-03-14

Applicant: AREVA NP ,  RAIMBAULT, Gatien, Nicolas ,  FABRIS, Mirco

Inventor： RAIMBAULT, Gatien, Nicolas ,  FABRIS, Mirco

IPC: G21C19/20 ,  G21C19/02 ,  G21C19/10

CPC classification number: G21C19/10 ,  G21C19/207 ,  G21Y2002/301 ,  G21Y2002/304 ,  G21Y2004/305 ,  G21Y2004/501

Abstract: La présente invention a pour objet un dispositif de manutention (1) des équipements internes d'un réacteur nucléaire à eau pressurisée comportant une première partie fixe incluant une pluralité de montants (15) parallèles entre eux et placés verticale- ment dans la position de service du dispositif de manutention (1) et une pluralité de moyens de fixation (20) des équipements. Le dispositif de manutention (1) comporte en outre une deuxième partie mobile (21) entre une position haute d'utilisation dans laquelle la deuxième partie (21) fait saillie au-dessus de la première partie fixe délimi- tant un volume vide et une position basse de stockage utilisant ledit volume vide pour recevoir la partie mobile. L'invention est adaptée à la manutention des équi- pements internes supérieurs et inférieurs du réacteur.

Abstract translation: 本发明的主题是用于处理加压氢核反应堆的内部设备的装置（1），包括固定的第一部分，其包括垂直放置在处理的使用位置的多个相互平行的立柱（15） 装置（1）和用于紧固设备的多个装置（20）。 处理装置（1）还包括可移动的第二部分（21），其可以在高使用位置之间移动，其中第二部分（21）在限定空白空间的固定第一部分之间突出，并且使用所述空白空间 以容纳可动部件。 本发明适用于处理反应器的上部和下部内部件。

公开(公告)号：WO2008051203A2

公开(公告)日：2008-05-02

申请号：PCT/US2006039021

申请日：2006-10-05

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： BALOG LEONARD J

IPC: H04J1/04

CPC classification number: G21C11/06 ,  G21Y2002/301 ,  G21Y2002/302 ,  G21Y2002/303 ,  G21Y2002/402 ,  G21Y2004/30 ,  G21Y2004/305 ,  Y02E30/40

Abstract: An advanced radial core neutron reflector RCR is provided for a nuclear reactor core. The RCR comprises a minimal number of tiers and employs a number of improved restraint mechanisms to provide vertical and horizontal support of the RCR. Specifically, the RCR has four tiers, a bottom tier which functions as a foundation that is precisely aligned and secured with an improved dowel and fastener arrangement, two intermediate tiers, and a top tier. A spigotting staircase-type geometry is employed to radially secure abutting, adjacent tiers. At least the intermediate tiers are segmented into quadrants to facilitate making of the RCR, and a clamping assembly secures the seams between quadrants. One or both of a keying or an alignment pin assembly secures the interfaces between tiers, and a secondary vertical support may be employed at the top tier.

Abstract translation: 为核反应堆核心提供了先进的径向核心中子反射器RCR。 RCR包括最小数量的层次，并且采用若干改进的约束机制来提供RCR的垂直和水平支撑。 具体来说，RCR有四层，底层是作为基础的底层，它是用改进的定位销和紧固件布置，两个中间层和顶层精确对准和固定的。 采用插套式梯形几何形状来径向固定相邻的相邻层。 至少中间层被划分为象限以便于制造RCR，并且夹紧组件将接缝固定在象限之间。 键或定位销组件中的一个或两个固定层之间的界面，并且在顶层可以采用辅助垂直支撑。