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1. 发明公开

US20230213180A1 METHOD OF DISASSEMBLING STEAM GENERATOR 审中-公开
公开(公告)号：US20230213180A1
公开(公告)日：2023-07-06
申请号：US17925754
申请日：2022-04-26
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Reiko Ueno , Takeshi Yamamoto , Yuki Kobayashi , Daisuke Hara , Masaki Noda , Kohei Tada
IPC分类号： F22B37/58 , F22B37/00
CPC分类号： F22B37/58 , F22B37/007
摘要： A method of disassembling a steam generator including a body portion, a water chamber, a tube plate and a plurality of heat transfer tubes, the method includes: a step of obtaining a disassembly target including the tube plate and a part of the heat transfer tubes; a step of specifying the heat transfer tube fixed to the tube plate; a step of releasing fixation between the part of the heat transfer tube and the tube plate; and a step of pulling out the part of the heat transfer tube from the through-hole, in the step of releasing the fixation, the TIG heating head is inserted from the primary region side, and in the step of releasing the fixation, the TIG heating head is moved to a plurality of streaks only in a direction from the primary region side to the secondary region side.

2. 发明申请

US20210404648A1 SYSTEM AND METHOD FOR REMOVING AND REPLACING FIRE-TUBES 有权
公开(公告)号：US20210404648A1
公开(公告)日：2021-12-30
申请号：US17474597
申请日：2021-09-14
申请人： CHARGER ENERGY SERVICES, LLC
发明人： Eddie Edge
IPC分类号： F22B37/58 , B23P19/027 , B23P19/02
摘要： A system and method for removing and replacing fire-tubes. The system can include a powered system, a fire-tube puller coupled to said powered system. The fire-tube puller has a puller back which is coupled to a plug rest. A plug rest is approximately perpendicular to the puller back, and the fire-tube will rest upon the plug rest when the fire-tube is being removed or installed. The system can also include a stack adjuster which is coupled to the plug rest. The stack adjuster can couple to a stack so as to reposition the stack.

3. 发明授权

US4299658A Radiation shield ring assembly and method of disassembling components of a nuclear steam generator using such assembly 失效
标题翻译：辐射屏蔽环组件和使用这种组件拆卸核蒸汽发生器部件的方法
公开(公告)号：US4299658A
公开(公告)日：1981-11-10
申请号：US53447
申请日：1979-06-29
申请人： Robert E. Meuschke , Donald L. Wolfe
发明人： Robert E. Meuschke , Donald L. Wolfe
IPC分类号： G21C17/003 , F22B37/02 , F22B37/58 , G21D1/00 , B23P19/04
CPC分类号： G21D1/003 , F22B37/58 , Y02E30/40 , Y10T29/49352
摘要： This invention provides shielded access to the irradiated heat exchanger tube bundle of a nuclear steam generator contained within a cask after removal from the generator. This tube bundle must be reduced in size and confined for removal from the containment building through hatchways of generally limited size. Access to the enclosed bundle is at the flanged joints of adjacent sections forming the cask and which are vertically separated to permit an oxygen lance to be inserted therein for burning the tubes at that level. A rotatably supported annular seal ring covers the separation and shields against the escape of radiation or irradiated material during the burning process. The ring provides access ports through which roller supports are mounted on the cask and provide access of the cutting tool to the tubes. Rotation of the ring on the rollers permits the tool to be inserted completely around the cask. After the tubes within one section of the cask are severed, the tubes and that portion of the cask are removed and the ring raised to a next position where the procedure is repeated.
摘要翻译：本发明提供了在从发生器移除之后对包含在桶内的核蒸汽发生器的辐射热交换器管束的屏蔽通路。该管束的尺寸必须减小，并限制为通过通常有限尺寸的舱口从安全壳建筑物移走。进入封闭的束是在形成桶的相邻部分的带凸缘的接头处，并且垂直分离，以允许将氧枪插入其中以在该水平处燃烧管。旋转支撑的环形密封环在燃烧过程中覆盖分离并防止辐射或照射材料的逸出。该环提供了进入端口，滚筒支撑件通过该端口安装在该桶中并提供切割工具进入管道的通路。滚轮上的环的旋转允许将工具完全插入桶中。在桶的一个部分中的管被切断之后，管和桶的那部分被移除，并且环被升高到重复该过程的下一个位置。

4. 发明授权

US4227854A Apparatus for removing heat exchanger tube bundles 失效
标题翻译：用于去除热交换器管束的装置
公开(公告)号：US4227854A
公开(公告)日：1980-10-14
申请号：US923443
申请日：1978-07-10
申请人： William A. Coffey
发明人： William A. Coffey
IPC分类号： F22B37/58 , B23P19/02 , B25B27/02 , B66F1/00
CPC分类号： B25B27/026 , B23P19/022 , B23P19/024 , Y10T29/53117
摘要： Apparatus for moving a tube bundle out of or into a heat exchanger shell consists of an elongated frame structure including a pair of parallel spaced beams, a mobile carriage to support the tube bundle and mounted on the parallel beams for movement along them, clamps to connect and lock the elongated frame structure to the shell of the heat exchanger, a mobile sub-frame carrying a hydraulically-operated force-exerting mechanism to be connected to the tube bundle to move it out of the shell, and laterally positioned stops along the length of the frame structure to provide opposing thrust surfaces to the thrust exerted by the force-exerting mechanism so as to effect movement of the tube bundle along the frame structure.
摘要翻译：用于将管束移出热交换器壳体或将其装入热交换器壳体的装置包括细长的框架结构，其包括一对平行间隔开的梁，支撑管束并安装在平行梁上以用于沿着它们移动的活动托架，并将细长的框架结构锁定到热交换器的外壳上，一个移动子框架，其承载一个液压操作的施力机构，以连接到管束上，以将其移出壳体，并沿横向方向横向设置以提供相对的推力表面到由施加力的机构施加的推力，以便实现管束沿着框架结构的运动。

5. 发明授权

US10393368B2 Saw blade positioning device 有权
公开(公告)号：US10393368B2
公开(公告)日：2019-08-27
申请号：US15368879
申请日：2016-12-05
申请人： Scott L. Smith
发明人： Scott L. Smith
IPC分类号： B23D59/00 , B23D51/08 , F22B37/58 , B23D51/02 , F16M7/00 , B25B5/08
摘要： A device for positioning a reciprocating saw blade within a tube stub, such that the device is inserted into the tube stub and dynamically positions the reciprocating saw blade relative to the interior surface of the tube stub so that the saw blade can make a controlled longitudinal cut into the interior of the tube stub to a precise depth.

6. 发明申请

US20050235473A1 Removing method of tube 有权
标题翻译：拔管方法
公开(公告)号：US20050235473A1
公开(公告)日：2005-10-27
申请号：US11100568
申请日：2005-04-07
申请人： Hirotaka Yoshida , Michio Sato , Yuji Kurokawa
发明人： Hirotaka Yoshida , Michio Sato , Yuji Kurokawa
IPC分类号： B23P21/00 , B21C37/16 , B21D39/06 , B23P11/02 , B23P19/00 , B23P19/02 , B23P19/04 , F22B37/58 , H01J1/62
CPC分类号： B21C37/16 , B23P11/025 , B23P19/025 , Y10T29/49817 , Y10T29/49821 , Y10T29/49822
摘要： The present invention provides a removing method of a tube. Upon removing a tube 3 increased in diameter and fixed to a tube-sheet 1, an inserted portion 3a which is fixed to a tube-hole 2 of the tube-sheet 1 is heated and then cooled, thereby reducing its diameter. The inserted portion 3a is loosened from the tube-hole 2. Then, a region 3h opposed to a groove 4 formed in an inner circumference of the tube-hole is heated to a red-hot state, and the tube 3 is stretched in its axial direction, the red-heated region 3h is stretched to reduce its diameter and cut the region 3h, thereby pulling out the tube 3 from the tube-sheet 1.
摘要翻译：本发明提供一种管的去除方法。在移除直径增加并固定在管板1上的管3时，将固定在管板1的管孔2上的插入部分3a加热然后冷却，从而减小其直径。插入部分3a从管孔2松开。然后，将与管孔内周面形成的槽4相对的区域3h加热至红热状态，将管3沿其轴向拉伸，红色加热区域3h被拉伸以减小其直径并切割区域3小时，从而从管板1拉出管3。

7. 发明授权

US5826334A Boiler tube removal method 失效
标题翻译：锅炉管去除方法
公开(公告)号：US5826334A
公开(公告)日：1998-10-27
申请号：US814093
申请日：1997-03-10
申请人： Bruce V. Weeks , Richard Arthur , Gary E. Ingram
发明人： Bruce V. Weeks , Richard Arthur , Gary E. Ingram
IPC分类号： B23P19/02 , F22B37/58 , B23P15/26
CPC分类号： B23P19/022 , F22B37/58 , Y10T29/49352 , Y10T29/4973 , Y10T29/5199 , Y10T29/53113 , Y10T29/53122
摘要： A method and apparatus is provided for removing the severed end-portions of boiler tubes installed and retained in a boiler header without consequential boiler header metal damage and in a manner whereby a compression gap of uniform width is machined throughout the length and thickness of each retained boiler tube end-portion selected for removal, the machined boiler tube end-portion is subsequently compressed to significantly close the machined compression gap and reduce the tube end cross-sectional circumference, and the compressed tube end is withdrawn longitudinally from engagement with the boiler header tube-mounting bore.
摘要翻译：提供了一种方法和装置，用于去除安装并保持在锅炉集管中的锅炉管的切断的端部，而不会导致锅炉头部金属损坏，并且以这样的方式，在每个保持的整个长度和厚度期间加工均匀宽度的压缩间隙锅炉管端部被选择用于去除，加工后的锅炉管端部随后被压缩以显着地关闭加工的压缩间隙并减小管端横截面周长，并且压缩管端部被纵向排出以与锅炉接头管安装孔。

8. 发明授权

US4776072A Process for extracting a section of a heat-exchanger tube 失效
标题翻译：用于提取热交换器管的一部分的方法
公开(公告)号：US4776072A
公开(公告)日：1988-10-11
申请号：US939832
申请日：1986-12-09
申请人： Paul Jacquier
发明人： Paul Jacquier
IPC分类号： B23P21/00 , B23P19/02 , B23P19/04 , B25B27/02 , F22B37/58 , B21D53/02
CPC分类号： B25B27/02 , B23P19/025 , B25B27/026 , Y10T29/49352 , Y10T29/49822 , Y10T29/49885 , Y10T29/53122
摘要： A sleeve (8) is introduced inside the tube (3) from the face (1a) of the tube plate, with which the tube (3) is flush, through the entire length of the tube plate (1). The tube (3) and the sleeve (8) are joined together in two zones (15, 16) by means of a binder which ensures a bond of high mechanical strength. An axial pull is exerted on the sleeve (8) from the face (1a) of the tube plate (1). The device is capable of pulling on the sleeve which operates either continuously or in steps.
摘要翻译：通过管板（1）的整个长度，套筒（8）从管板的面（1a）引入管（3）内，管（3）与管板（3）齐平。管（3）和套管（8）通过粘合剂在两个区域（15,16）中连接在一起，这确保了高机械强度的粘结。从管板（1）的表面（1a）向轴套（8）施加轴向拉力。该装置能够拉动连续或逐步操作的套筒。

9. 发明授权

US4571802A Double grip, relative motion tube puller 失效
标题翻译：双把手，相对运动管拉拔器
公开(公告)号：US4571802A
公开(公告)日：1986-02-25
申请号：US605351
申请日：1984-04-30
申请人： Gregory L. Calhoun , Michael G. Brunner , Kevin L. Fields
发明人： Gregory L. Calhoun , Michael G. Brunner , Kevin L. Fields
IPC分类号： B25B27/02 , B23P19/02 , B25B27/10 , F22B37/58 , B23P15/26
CPC分类号： F22B37/58 , B23P19/025 , Y10T29/49352 , Y10T29/53796
摘要： Both an apparatus and a process for pulling tubes from a tubesheet with two relatively movable gripping means are disclosed herein. The apparatus of the invention is a tube puller which has upper and lower gripping means for gripping the section of the tube surrounded by the tubesheet. The two gripping means are mechanically linked together by means of an extendable connecting assembly. This assembly includes an outer sleeve where the lower gripping means is located, and a middle sleeve where the upper gripping means is located which is slidable a predetermined distance within the outer sleeve. In the process of the invention, a tube puller as heretofore described is inserted into the mouth of a tube. The lower gripping means is then engaged to the mouth of the tube. The upper gripping means is then engaged in a section of the tube beyond the tube mouth with the extendable connecting assembly in a contracted position. A pulling means including a hydraulic ram then applies a tensile force onto the lower gripping means in order to pull on the mouth of the tube and to plastically contract the outer diameter of the tube in the vicinity of the tubesheet. After such contraction occurs, the connecting assembly between the two gripping means extends to its maximum length, and the pulling means applies a tensile force to both the upper and lower gripping means. Both of the gripping means then coact to withdraw the tube from the tubesheet. The invention preserves the metallurgical properties of the section of tube between the two grippers, which is important when the tubes are being sampled for corrosion degradation.
摘要翻译：本文公开了一种用于从具有两个相对可移动夹持装置的管板拉出管的装置和方法。本发明的装置是一种管拉出器，其具有用于夹持由管板包围的管的部分的上和下夹持装置。两个夹持装置通过可延伸的连接组件机械连接在一起。该组件包括下夹持装置所在的外套筒和位于外套筒内可预定距离滑动的上夹紧装置的中套筒。在本发明的方法中，将如上所述的管拔出器插入管的口中。然后，下夹持装置接合到管的口部。然后，上部夹紧装置接合在管子的一部分中超过管嘴，可伸缩的连接组件处于收缩位置。包括液压油缸的牵引装置然后将拉力施加到下夹持装置上，以便拉动管的口并且塑性地收缩管板附近的管的外径。在这种收缩发生之后，两个夹持装置之间的连接组件延伸到其最大长度，并且牵引装置对上部和下部夹持装置施加张力。然后两个夹紧装置共同从管板中取出管子。本发明保留了两个夹具之间的管段的冶金特性，这在管被取样用于腐蚀降解时是很重要的。

10. 发明授权

US11561004B2 System for removing and replacing fire-tubes 有权
公开(公告)号：US11561004B2
公开(公告)日：2023-01-24
申请号：US17474597
申请日：2021-09-14
申请人： CHARGER ENERGY SERVICES, LLC
发明人： Eddie Edge
IPC分类号： F22B37/58 , B23P19/027 , B23P19/02
摘要： A system for removing and replacing fire-tubes. The system can include a powered system, a fire-tube puller coupled to said powered system. The fire-tube puller has a puller back which is coupled to a plug rest. A plug rest is approximately perpendicular to the puller back, and the fire-tube will rest upon the plug rest when the fire-tube is being removed or installed. The system can also include a stack adjuster which is coupled to the plug rest. The stack adjuster can couple to a stack so as to reposition the stack.

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