CA2798489C - Steam generator heating tube repair means and repair method - Google Patents

Steam generator heating tube repair means and repair method Download PDF

Info

Publication number
CA2798489C
CA2798489C CA2798489A CA2798489A CA2798489C CA 2798489 C CA2798489 C CA 2798489C CA 2798489 A CA2798489 A CA 2798489A CA 2798489 A CA2798489 A CA 2798489A CA 2798489 C CA2798489 C CA 2798489C
Authority
CA
Canada
Prior art keywords
steam generator
sleeve
heating tube
repair
generator heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2798489A
Other languages
English (en)
French (fr)
Other versions
CA2798489A1 (en
Inventor
Robert Bienentreu
Nicolas Jeanvoine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Germany GmbH
Original Assignee
Westinghouse Electric Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Germany GmbH filed Critical Westinghouse Electric Germany GmbH
Publication of CA2798489A1 publication Critical patent/CA2798489A1/en
Application granted granted Critical
Publication of CA2798489C publication Critical patent/CA2798489C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/107—Protection of water tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/62—Component parts or details of steam boilers specially adapted for steam boilers of forced-flow type
    • F22B37/64—Mounting of, or supporting arrangements for, tube units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00—Arrangements for sealing leaky tubes and conduits
    • F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B23P6/04—Repairing fractures or cracked metal parts or products, e.g. castings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
    • F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
    • F16L55/1653—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being pressed into contact with the pipe by a tool which moves inside along the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49352—Repairing, converting, servicing or salvaging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49361—Tube inside tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49373—Tube joint and tube plate structure
    • Y10T29/49375—Tube joint and tube plate structure including conduit expansion or inflation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
    • Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
    • Y10T29/49737—Metallurgically attaching preform
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53987—Tube, sleeve or ferrule

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Heat Treatment Of Articles (AREA)
  • Coating With Molten Metal (AREA)
  • Resistance Heating (AREA)
CA2798489A 2011-12-16 2012-12-12 Steam generator heating tube repair means and repair method Active CA2798489C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011121204.7 2011-12-16
DE102011121204A DE102011121204A1 (de) 2011-12-16 2011-12-16 Dampferzeugerheizrohrreparaturmittel und Reparaturverfahren

Publications (2)

Publication Number Publication Date
CA2798489A1 CA2798489A1 (en) 2013-06-16
CA2798489C true CA2798489C (en) 2019-05-21

Family

ID=47357857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2798489A Active CA2798489C (en) 2011-12-16 2012-12-12 Steam generator heating tube repair means and repair method

Country Status (13)

Country Link
US (1) US9435481B2 (enExample)
EP (1) EP2604963B1 (enExample)
JP (1) JP6124578B2 (enExample)
KR (1) KR101981148B1 (enExample)
CN (1) CN103252620B (enExample)
AR (1) AR089242A1 (enExample)
BR (1) BR102012032127B1 (enExample)
CA (1) CA2798489C (enExample)
DE (1) DE102011121204A1 (enExample)
ES (1) ES2728156T3 (enExample)
SI (1) SI2604963T1 (enExample)
TW (1) TWI560388B (enExample)
ZA (1) ZA201209498B (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK177774B1 (en) 2013-04-11 2014-06-23 Spx Flow Technology Danmark As HYGIENIC HEAT EXCHANGE AND METHOD FOR PREPARING A HYGIENIC HEAT EXCHANGE
CN105980095B (zh) * 2013-08-26 2019-01-15 洛克希德马丁公司 使用管状砧将管摩擦搅拌焊接至元件的方法及通过该方法制造的结构
EP2881691A1 (de) * 2013-12-09 2015-06-10 Balcke-Dürr GmbH Wärmeüberträger mit Rohrscheibe und eingeschobener Hülse
US9989182B2 (en) * 2014-06-30 2018-06-05 Sunspin Pty Ltd. Method of forming a sealed joint between a tubular article and a sheet article
JP6543452B2 (ja) * 2014-10-14 2019-07-10 株式会社プランテック 熱交換器の伝熱管補修方法、ならびに伝熱管補修用の挿入管
GB201421801D0 (en) 2014-12-08 2015-01-21 Ge Oil & Gas Uk Ltd Layer Repair
DE102015202092A1 (de) * 2015-02-05 2016-08-11 Zf Friedrichshafen Ag Verfahren zur Herstellung einer Fügeverbindung zwischen einem Gelenkgehäuse und einem Anbindungsbauteil, sowie verfahrensgemäß hergestelltes Fahrwerkbauteil
US9945505B2 (en) * 2015-05-15 2018-04-17 Lmk Technologies, Llc Method and apparatus for repairing a pipe using a transition tube
US10323888B2 (en) * 2016-04-18 2019-06-18 Corrosion Monitoring Service Inc. System and method for installing external corrosion guards
SI3355022T1 (sl) 2017-01-31 2020-02-28 Alfa Laval Corporate Ab Aparat in metoda za zaščito cevnih plošč obtočnega kotla na sintetični plin
CN106808135B (zh) * 2017-03-22 2018-09-18 辽宁石油化工大学 一种断裂高速钢焊接修复方法
KR102032296B1 (ko) 2017-11-01 2019-10-15 두산중공업 주식회사 가확관부 및 밀봉용접부 전기도금 정비장치, 이를 포함하는 정비시스템, 및 이를 운용하는 방법
JP7039806B2 (ja) * 2018-01-17 2022-03-23 三菱重工業株式会社 伝熱パネルの歪み修正方法、伝熱パネルの歪み修正支援システム、及び伝熱パネルの歪み修正プログラム
CN108907606B (zh) * 2018-07-10 2020-02-11 郑州煤矿机械集团股份有限公司 Cloos焊接机器人焊枪修复方法
CN109262204B (zh) * 2018-09-14 2021-01-05 中核核电运行管理有限公司 一种核电厂稳压器电加热元件现场更换全套工艺
WO2020142389A1 (en) * 2018-12-31 2020-07-09 Suncoke Technology And Development Llc Improved systems and methods for utilizing flue gas
CN110388531B (zh) * 2019-08-09 2024-03-22 深圳市艾达凯防水工程有限公司 一种管道的补强加固结构及其加固方法
BR112022022326A2 (pt) 2020-05-03 2022-12-13 Suncoke Tech & Development Llc Produtos de coque de alta qualidade
US12135177B2 (en) 2020-08-14 2024-11-05 Viking Vessel Holdings, Llc Tube transition
US12130101B2 (en) 2020-08-14 2024-10-29 Viking Vessel Holdings, Llc Tube transition
US12305940B2 (en) * 2020-09-08 2025-05-20 Suncor Energy Inc. Tube and tubesheet assembly with damage resistance and method for protecting tube and tubesheet assemblies from damage
CN112792496B (zh) * 2020-12-29 2021-12-07 山西兴达通机电设备有限公司 一种焊接管材生产线中的补铝装置及其补铝方法
CN112705906B (zh) * 2021-01-23 2022-01-28 中车洛阳机车有限公司 预热锅炉外筒体焊补方法
US11946108B2 (en) 2021-11-04 2024-04-02 Suncoke Technology And Development Llc Foundry coke products and associated processing methods via cupolas
EP4453471B1 (en) 2021-12-22 2025-10-15 Topsoe A/S Tube sheet protection in a process gas waste heat boiler
US12673348B2 (en) 2023-11-21 2026-07-07 Suncoke Technology And Development Llc Systems, devices and methods for screening industrial products
CN117549002B (zh) * 2023-12-04 2026-06-23 西安德信成科技有限责任公司 一种双金属复合管及端部处理方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2157107A (en) * 1938-05-09 1939-05-09 Thomas J Bay Condenser tube protector
FR878494A (fr) * 1939-10-23 1943-01-21 Radiateur pour machines à combustion d'aéronefs et de véhicules
US3317222A (en) * 1964-04-16 1967-05-02 Cons Edison Co New York Inc Insert constructions for tubes of heat exchangers and condensers
GB1141239A (en) * 1967-03-16 1969-01-29 Charles B Maretzo Insert constructions for tubes of heat exchangers and condensers
DE2115351A1 (de) * 1970-04-02 1971-10-21 Atomic Energy Authority Uk Wärmetauscher
JPS54121275A (en) * 1978-03-15 1979-09-20 Mitsubishi Heavy Ind Ltd Expansion of tube
JPS55119285A (en) * 1979-03-05 1980-09-12 Mitsubishi Heavy Ind Ltd Repairing method of pipe
FR2497567B1 (fr) * 1981-01-05 1986-03-21 Dagues Marc Echangeur de chaleur a faisceau de tubes paralleles et son mode de fabrication
JPS58128392U (ja) * 1982-02-18 1983-08-31 住友軽金属工業株式会社 熱交換管
US4592577A (en) * 1982-09-30 1986-06-03 The Babcock & Wilcox Company Sleeve type repair of degraded nuclear steam generator tubes
JPS59119195A (ja) * 1982-12-02 1984-07-10 ユナイテツド キングドム アトミツク エナ−ヂイ オ−ソリテイ 多管式熱交換器
US4615477A (en) * 1984-04-27 1986-10-07 The Babcock & Wilcox Company Method for replacing tubes in a header or drum
FR2599791B1 (fr) * 1986-06-04 1988-10-28 Framatome Sa Procede de fixation resistante et etanche d'un element cylindrique creux a l'interieur d'un tube et element cylindrique pour la mise en oeuvre de ce procede
FR2637829A1 (fr) * 1988-10-14 1990-04-20 Framatome Sa Procede de dispositif de soudage a distance d'un manchon dans un tube notamment dans un generateur de vapeur de centrale nucleaire
US4941512A (en) * 1988-11-14 1990-07-17 Cti Industries, Inc. Method of repairing heat exchanger tube ends
GB8920382D0 (en) * 1989-09-08 1989-10-25 Nnc Ltd Heat exchangers
US5271048A (en) * 1992-12-21 1993-12-14 B&W Nuclear Service Company Replacement nozzle and method for replacing a nozzle in a pressure vessel
US5274683A (en) * 1993-04-27 1993-12-28 B&W Nuclear Service Company Method for replacing a nozzle
US5350011A (en) * 1993-08-02 1994-09-27 Westinghouse Electric Corporation Device and method for thermally insulating a structure to prevent thermal shock therein
US5605361A (en) * 1994-05-06 1997-02-25 Entergy Operations, Inc. Replacement nozzle for pressure vessels and method of a attaching same
SE502796C2 (sv) * 1994-05-18 1996-01-15 Tetra Laval Holdings & Finance Plattvärmeväxlare med fodrade anslutningsrör
JP3512477B2 (ja) * 1994-07-16 2004-03-29 川崎重工業株式会社 熱交換器
DE19609958C2 (de) * 1996-03-14 2000-06-15 Dillinger Stahlbau Verfahren zur Reparatur von Wärmetauscherrohren im Inneren von geschlossenen Röhrenapparaten
GB9711873D0 (en) * 1997-06-10 1997-08-06 Pierce David B Facade plate,method of assembly and assembled heat exchanger
KR100416415B1 (ko) * 2001-06-21 2004-01-31 한전기공주식회사 원전 증기발생기용 비용접식 슬리브 확관장치
BRPI0503134B1 (pt) * 2004-08-02 2018-03-20 Rohm And Haas Company Método de formação de uma chapa de tubo laminada
DE102005032118A1 (de) * 2005-07-07 2007-01-11 Ruhr Oel Gmbh Rohrbündelwärmeübertrager mit verschleißbeständiger Rohrbodenauskleidung
JP5736752B2 (ja) * 2010-12-07 2015-06-17 株式会社Ihi 管板に対する管溶接部の補修方法

Also Published As

Publication number Publication date
JP6124578B2 (ja) 2017-05-10
EP2604963A2 (de) 2013-06-19
US20130199462A1 (en) 2013-08-08
AR089242A1 (es) 2014-08-06
JP2013127356A (ja) 2013-06-27
ZA201209498B (en) 2013-08-28
CA2798489A1 (en) 2013-06-16
US9435481B2 (en) 2016-09-06
BR102012032127A2 (pt) 2015-04-14
TW201341700A (zh) 2013-10-16
KR101981148B1 (ko) 2019-05-22
BR102012032127B1 (pt) 2020-03-24
TWI560388B (en) 2016-12-01
EP2604963A3 (de) 2014-09-17
EP2604963B1 (de) 2019-03-20
KR20130069477A (ko) 2013-06-26
ES2728156T3 (es) 2019-10-22
CN103252620A (zh) 2013-08-21
DE102011121204A1 (de) 2013-06-20
SI2604963T1 (sl) 2019-07-31
CN103252620B (zh) 2017-05-10

Similar Documents

Publication Publication Date Title
US9435481B2 (en) Steam generator heating tube repair device and repair method
US6247231B1 (en) Method for repairing heat exchanger tubing through partial tube replacement
US4592577A (en) Sleeve type repair of degraded nuclear steam generator tubes
CN106624405B (zh) 核电站蒸汽发生器管板及管孔损伤修复方法及系统
CN104658618A (zh) 一种镍基合金耐压壳及其实施方法
JP2013127356A5 (enExample)
US5205038A (en) Method of replacing a tube on a straight-tube heat exchanger
EP2577208B1 (en) A flue gas air preheater, and a method for installation, as well as an air pipe component for a flue gas air preheater
JP2023541795A (ja) 管遷移部
Huang et al. Design, manufacturing and repair of tube-to-tubesheet welds of steam generators of CPR1000 units
CN112719535A (zh) 一种管子管板堵头及焊接方法
CN107052536B (zh) 一种无填充材料的低合金钢换热管对接自动焊接工艺
KR101937610B1 (ko) 원자로 배관의 노즐 정비방법
CN219958382U (zh) 一种锅炉水冷壁的检修模拟装置
CN214602438U (zh) 一种管子管板堵头
EP1524754A1 (en) Method of repairing water-cooled stator windings in generators
US2933593A (en) Welding method
KR102818948B1 (ko) 편방향 용접을 통한 발전소 보일러용 수냉벽 튜브의 정비 방법
Shah et al. Internal Bore Welding of Tubes to Tubesheet Joints in 5G Position.
CN119141066A (zh) 一种核电厂蒸汽发生器传热管焊接堵头及其使用方法
RU2586176C2 (ru) Способ соединения пакета труб с трубными решетками и устройство для его осуществления
Smith Jr Challenges, Considerations and Options to Effectively Refurbish Lube Oil and Hydrogen Coolers
Zheng et al. Failure analysis and welding repair for reheater tube crack of 12Cr1MoV steel
Zheng et al. Failure Analysis and Welding Repair for Water Wall Tube Burst of 600MW Station Boiler
Buhay et al. Recent developments in plugging of steam generator tubes

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20170306

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 12TH ANNIV.) - STANDARD

Year of fee payment: 12

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241203

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241203

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241203

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 13TH ANNIV.) - STANDARD

Year of fee payment: 13

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251125

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251125