Sealing device for a pipeline, in particular for a loop line of a steam
generator hemisphere
    31.
    发明授权
    Sealing device for a pipeline, in particular for a loop line of a steam generator hemisphere 失效
    用于管道的密封装置,特别是用于蒸汽发生器半球的回路线

    公开(公告)号:US4848406A

    公开(公告)日:1989-07-18

    申请号:US150884

    申请日:1988-02-01

    IPC分类号: F16L55/136 F22B37/22

    CPC分类号: F16L55/136 F22B37/222

    摘要: A sealing device is to be introduced through a manhole into a steam generator connected through a mouth of a connector to a pipeline with a restriction in the vicinity of the connector. The sealing device includes a plurality of serially disposed rubber hose seals defining an intermediate space therebetween to be pressure monitored. The rubber hose seals are subjected to to a pressure medium. Feed rollers guide the sealing device. A bracing device has radially outwardly movable clamping blocks and clamping angles. The clamping blocks may be moved outward. The clamping elbow may be axially fixed against the mouth of the connector for bracing the moved out clamping blocks against the restriction.

    摘要翻译: 将密封装置通过人孔引入通过连接器的口连接到连接器附近的限制的管道的蒸汽发生器。 密封装置包括多个串联设置的橡胶软管密封件,其在其间形成中间空间以进行压力监测。 橡胶软管密封件经受压力介质。 进料辊引导密封装置。 支撑装置具有径向向外可移动的夹紧块和夹紧角度。 夹紧块可以向外移动。 夹紧弯头可以轴向地固定在连接器的嘴部上,以支撑移出的夹紧块抵抗限制。

    Isolating device for a water chamber in a steam generator for a nuclear
reactor
    32.
    发明授权
    Isolating device for a water chamber in a steam generator for a nuclear reactor 失效
    用于核反应堆的蒸汽发生器中的水室隔离装置

    公开(公告)号:US4777008A

    公开(公告)日:1988-10-11

    申请号:US797810

    申请日:1985-11-13

    申请人: Isao Shirasu

    发明人: Isao Shirasu

    摘要: In a steam generator for a pressurized water type nuclear reactor, for the purpose of isolating a water chamber in the steam generator from a coolant piping communicating with the water chamber, a plug is disposed in a nozzle section of the coolant piping, the plug is supported by a support arm having an angle adjusting screw and fixedly secured to a mount seat at a manhole communicating with the water chamber, and preferably, a cover is provided on the mount seat at the manhole.

    摘要翻译: 在用于加压水型核反应堆的蒸汽发生器中,为了将蒸汽发生器中的水室与与水室连通的冷却剂管道隔离,在冷却剂管道的喷嘴部分中设置塞子,塞子 由具有角度调节螺钉的支撑臂支撑并且固定地固定到与水室连通的人孔处的安装座上,并且优选地,在所述安装座上设置有在所述人孔处的盖。

    Foldable dual-seal nozzle dam
    34.
    发明授权
    Foldable dual-seal nozzle dam 失效
    可折叠双密封喷嘴坝

    公开(公告)号:US4690172A

    公开(公告)日:1987-09-01

    申请号:US809708

    申请日:1985-12-17

    申请人: James W. Everett

    发明人: James W. Everett

    IPC分类号: F16L55/12 F22B37/22 G21C13/06

    摘要: A nozzle dam for providing a fluid-tight seal across a primary fluid nozzle in the plenum of a nuclear steam generating vessel includes two fluid-impermeable seals, each comprising a circular three-section foldable seal plate covered with a flexible diaphragm and circumferentially encompassed by an inflatable seal member disposable in frictional sealing engagement with the inner surface of the nozzle. The center sections of the two seals are interconnected by tubular coupling means. The diaphragms are disposed on the high pressure sides of the seal plates, and the sections of each seal plate are hinged on the high pressure side. The center section of each seal plate carries two pairs of support tabs attached to the low pressure side thereof and respectively projecting from opposite ends thereof in cantilever fashion for supported engagement with a frustoconical portion of the inner surface of the nozzle.

    摘要翻译: 用于在核蒸汽发生容器的气室中的主要流体喷嘴上提供流体密封的喷嘴坝包括两个流体不可渗透的密封件,每个密封件包括被柔性隔膜覆盖的圆形三段式可折叠密封板,并且周向包围 一次性地与喷嘴的内表面摩擦密封接合的可充气的密封件。 两个密封件的中心部分通过管状联接装置相互连接。 隔膜设置在密封板的高压侧,每个密封板的部分铰接在高压侧。 每个密封板的中心部分承载了两对连接到其低压侧的支撑突片,并且分别从悬臂的相对端突出,以支撑与喷嘴内表面的截头圆锥形部分接合。

    Remote-controlled screwing device
    35.
    发明授权
    Remote-controlled screwing device 失效
    遥控旋拧装置

    公开(公告)号:US4265011A

    公开(公告)日:1981-05-05

    申请号:US974508

    申请日:1978-12-28

    申请人: Bernard Lebouc

    发明人: Bernard Lebouc

    摘要: Apparatus for use in screwing a cover onto an annular bearing seat provided at the circumference of a circular orifice, the cover being provided with a circle of screws to be engaged in threaded bores in the bearing seat, comprises a screwing device comprising an arm pivotable about the axis of a pivot mounted on a support plate to be fixed to the cover, the arm extending perpendicular to the axis of the pivot which extends perpendicular to the plane of the bearing seat, a screwing head mounted on the end of the arm and carrying a screw key for engaging and rotating the screws, and which is movable axially between an operative position engaging a screw and an inoperative position clear of the screw and permitting the arm to rotate to bring the screw key into alignment with another screw, and drive means for rotating the arm, for rotating the screw key and for moving the screw key axially, a remote control console for controlling the drive means, and a television circuit for remote observation of operation of the device.

    摘要翻译: 一种用于将盖子旋拧到设置在圆形孔口的圆周上的环形轴承座上的装置,该盖子设置有一个螺钉圆圈,该螺钉孔与轴承座中的螺纹孔接合,包括一个旋转装置, 安装在支撑板上以固定到盖上的枢轴的轴线,该臂垂直于枢轴的轴线延伸,该轴线垂直于轴承座的平面延伸,一个安装在该臂的端部上的旋拧头 用于接合和旋转螺钉的螺钉,其可在与螺钉啮合的操作位置和脱离螺钉的不工作位置之间轴向移动,并允许臂旋转以使螺丝钥匙与另一个螺钉对准;以及驱动装置 用于旋转臂,用于旋转螺丝钥匙并沿轴向移动螺丝键,用于控制驱动装置的遥控台,以及用于远程控制的电视电路 操作设备的操作。

    Method of remotely installing or removing a nozzle dam
    38.
    发明授权
    Method of remotely installing or removing a nozzle dam 失效
    远程安装或拆卸喷嘴坝的方法

    公开(公告)号:US5169594A

    公开(公告)日:1992-12-08

    申请号:US828550

    申请日:1992-01-30

    IPC分类号: F22B37/22 G21C13/067

    摘要: A method of remotely installing or removing and assembling and disassembling nozzle dams (10) from outside a steam generator manway (14) using a tool set. The tools are a bifurcated segment lifting (torquing and push-pull) tool 60 to unweight and faciltate the operation of sliding dam segments (30,32) edgewise along sliding brackets (40) and bars (44) in an assembly and disassembly operation; a cam-lock component (36) operating T-shaped tool (80) with a nozzle dam rib avoiding offset (88), transverse quick-connect body (50b) straddling tool (90) pull a sleeve (50c) in order to disassembly quick-connects; and, a gasket installing, tensioning and removing hook tool (102).

    摘要翻译: 一种使用工具组远程安装或拆卸和拆卸喷水坝(10)的方法,该喷水坝(10)从蒸汽发生器井道(14)的外部进行拆卸。 这些工具是分段提升(扭矩和推拉)工具60,用于在组装和拆卸操作中使滑动支架(40)和杆(44)沿边沿滑动节段(30,32)的操作重量和平整; 操作T形工具(80)的凸轮锁定部件(36),其具有避免偏移(88)的喷嘴阻挡肋,横向快速连接体(50b)跨接工具(90)拉动套筒(50c)以便拆卸 快速连接 以及衬垫安装,张紧和移除钩工具(102)。

    Manipulator system for an enclosure with a limited access point
    39.
    发明授权
    Manipulator system for an enclosure with a limited access point 失效
    具有有限接入点的机柜的机械手系统

    公开(公告)号:US5164151A

    公开(公告)日:1992-11-17

    申请号:US719442

    申请日:1991-06-24

    IPC分类号: F22B37/00 F22B37/22

    CPC分类号: F22B37/003 F22B37/222

    摘要: In an enclosure of a heat exchanger that includes a wall having an opening for access to the enclosure and a nozzle for fluid flow through the wall, an articulate hoist for bringing an articulate manipulator into the enclosure is attached to the wall outside the opening. The lifting portion of the hoist, which is in the enclosure brings the manipulator into the enclosure. The manipulator which is is then attached to the wall outside the opening is adapted for reaching through the opening from inside the enclosure. A tool operator portion of the manipulator is adapted for engaging a nozzle dam for inserting the dam in the nozzle. One type of nozzle dam which the apparatus can install is one that falls within the description of a claim of U.S. Pat. No. 4,957,215.

    摘要翻译: 在热交换器的外壳中,其包括具有用于进入外壳的开口的壁和用于流体流过壁的喷嘴,用于将铰接式操纵器引入外壳的铰接式葫芦附接到开口外部的壁。 外壳中的提升机的提升部分将操纵器带入外壳。 然后将机械手附接到开口外侧的壁适于从外壳内部穿过开口。 操纵器的工具操作器部分适于接合用于将大坝插入喷嘴中的喷嘴坝。 装置可以安装的一种类型的喷嘴坝是属于美国专利申请的权利要求的描述之一。 第4,957,215号。

    Nozzle dam remote installation system and technique
    40.
    发明授权
    Nozzle dam remote installation system and technique 失效
    喷嘴坝远程安装系统和技术

    公开(公告)号:US4989818A

    公开(公告)日:1991-02-05

    申请号:US511167

    申请日:1990-04-19

    摘要: The present invention relates to a system, teaches a technique, and provides apparatus eminently useful for the installation/removal, from a remote and protected location, of nozzle dams onto and from nozzle holddown rings within the channel heads of certain steam generators, including the types typically used in conjunction with the operation of pressurized hot-water nuclear power plants. The technique or method of the instant invention involves methodology for remotely introducing usually with the aid of tackle insertion tool means, through an open channel head manway requisite tubesheet tackle means, or tackle means, as well as strapping means and the securing of same therein; inserting through said open manway, usually with the aid of lifting means, folded nozzle dam means; opening said dam means and properly orientating same relative to said nozzle holddown ring; inserting, orientating, and securing the center portion or said nozzle dam means, torquing bolting means to predetermined limits; and removing from said channel head all said attendant tubesheet tackle means. The effecting of the instant technique requires only a minimal amount of relatively inexpensive, but specially designed equipment and is simply, quickly, and easily placed into practice by, for example, manipulation of same by one or more human operators who are physically located outside said channel head(s) and adjacent said open manway thereby substantially reducing the effective radiation dose heretofore normally associated with such nozzle dam installation and removal.

    摘要翻译: 本发明涉及一种技术,并且提供了一种技术,并且提供了用于从远程和受保护的位置安装/移除在特定蒸汽发生器的通道头内的喷嘴压紧环上的喷嘴坝的装置,包括 通常与加压热水核电站的运行一起使用的类型。 本发明的技术或方法涉及通常借助于滑车插入工具装置,通过开放的通道头道路所需的管板滑车装置或滑车装置以及捆扎装置和其中的固定来远程引入的方法; 通过开放式通道插入,通常借助起重装置,折叠式水坝手段; 打开所述水坝装置并相对于所述喷嘴压紧环适当地定向; 插入,定向和固定中心部分或所述喷嘴坝装置,将螺栓连接装置扭转到预定限度; 并且从所述通道头移除所有所述辅助管板卸载装置。 即时技术的影响仅需要最少量的相对便宜且特别设计的设备,并且简单,快速且容易地被放置在实践中,例如通过一个或多个物理上位于所述 通道头部和相邻的所述开放式通道,从而基本上减少了通常与这种喷嘴坝安装和移除相关联的有效辐射剂量。