WO2007116532A1 - 溶接継手部の保全装置及び保全方法 - Google Patents
溶接継手部の保全装置及び保全方法 Download PDFInfo
- Publication number
- WO2007116532A1 WO2007116532A1 PCT/JP2006/307661 JP2006307661W WO2007116532A1 WO 2007116532 A1 WO2007116532 A1 WO 2007116532A1 JP 2006307661 W JP2006307661 W JP 2006307661W WO 2007116532 A1 WO2007116532 A1 WO 2007116532A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- welded joint
- nozzle
- welded
- work area
- pipe
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/29—Supporting devices adapted for making use of shielding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0061—Underwater arc welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
- B23K9/0284—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode working inside the tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
- B23K9/326—Purge gas rings, i.e. devices for supplying or evacuating shielding gas inside of hollow or tubular articles, e.g. pipes, vessels
-
- 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
- F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
- F16L13/02—Welded joints
-
- 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
- F16L55/10—Means for stopping flow in pipes or hoses
- F16L55/12—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
- F16L55/134—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing
-
- 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
Definitions
- the present invention relates to an apparatus and a method for maintaining the welded joint by overlay welding on the inner surface of a welded joint that joins a nozzle supported in water and a pipe.
- IHSI installs a high-frequency induction coil on the outer periphery of the welded joint, and flows a high-frequency current through the high-frequency induction coil while flowing cooling water through the welded joint (nozzle and piping). After heating and generating a temperature difference between the inner and outer surfaces necessary for stress improvement, the tensile stress remaining on the inner surface of the welded joint is reduced by returning the welded joint to room temperature, and further compressive stress is applied to the inner surface of the welded joint. It will cause.
- Peunging projects a large number of particles called shots on the inner surface of a welded joint, thereby plastically deforming the inner surface of the welded joint, reducing the residual tensile stress on the inner surface of the welded joint. It generates compressive stress on the inner surface.
- the pressure vessel is at the bottom of the reactor containment vessel. It is difficult to install the peening device on the pressure vessel because the pressure vessel itself is at a high dose and it is necessary to perform peening with the pressure vessel filled with water. Is difficult to do.
- Patent Document 1 Japanese Patent Laid-Open No. 10-197679
- an object of the present invention is to provide an apparatus and a device capable of sufficiently ensuring welding quality when performing overlay welding on the inner surface of a welded joint portion that joins a nozzle supported in water and a pipe. It is to provide a method.
- the present invention provides an apparatus for performing overlay welding on the inner surface of a welded joint part for joining a nozzle supported in water and a pipe to maintain the welded joint part.
- the work joint block is disposed in front of and behind the weld joint to be welded, and the work area closed in the nozzle and the pipe is partitioned.
- welding means for carrying out.
- the sealing member force a plurality of nozzle plugs inserted into the nozzle and the pipe at a predetermined interval, and a nozzle plug, the nozzle, You may have a seal tube for sealing between the inner surfaces of the said piping.
- the welding means includes a guide rod spanned between the plurality of nozzle plugs, the guide rod is movable in the axial direction and the radial direction, and is swiveled in the circumferential direction.
- a supported welding torch may be included.
- the drainage means includes a supply pipe that supplies gas into the work area, and a discharge pipe that drains the work area according to the gas supplied into the work area by the supply pipe. You can do it.
- drying means may be provided for drying the weld joint.
- a polishing means for polishing the weld joint may be provided.
- an inspection means for inspecting the welded joint portion may be provided.
- a shield gas supply means may be provided for supplying a shield gas into the work area to create a shield gas atmosphere in the work area. good.
- the present invention provides a method for overlay welding on an inner surface of a welded joint portion for joining a nozzle supported in water and a pipe to maintain the welded joint portion.
- the work area closed by the nozzle and the pipe is formed in front of and behind the welded joint, and the work area thus formed is drained to form a gas atmosphere.
- Overlay welding is performed on the inner surface of the weld joint.
- gas may be supplied into the work area, and the work area may be drained according to the gas supplied into the work area.
- the weld joint Prior to overlay welding of the inner surface of the weld joint, the weld joint is dried. May be.
- the weld joint Prior to overlay welding of the inner surface of the weld joint, the weld joint may be polished.
- the weld joint Prior to overlay welding of the inner surface of the weld joint, the weld joint may be inspected.
- a shield gas may be supplied into the work area to create a shield gas atmosphere in the work area.
- the welded joint portion may be polished after overlay welding on the inner surface of the welded joint portion.
- the welded joint part may be inspected after overlay welding on the inner surface of the welded joint part.
- FIG. 1 is a schematic diagram of a reactor pressure vessel to which a maintenance apparatus according to an embodiment of the present invention is applied.
- FIG. 2 is a cross-sectional view of the pressure vessel showing a state before overlay welding.
- FIG. 3 is a cross-sectional view of a pressure vessel showing a state after build-up welding.
- a work area A work area
- FIG. 1 is a schematic view of a reactor pressure vessel to which a maintenance apparatus according to an embodiment of the present invention is applied.
- FIG. 2 is a cross-sectional view of the pressure vessel showing a state before overlay welding.
- Fig. 3 is a cross-sectional view of the pressure vessel showing the state after overlay welding.
- reference numeral 1 is a pressure vessel
- 2 is a reactor well
- 3 is an operation floor (operation floor).
- Vessel 1 is a pressurized water reactor pressure vessel.
- the barrel of the pressure vessel 1 is provided with a nozzle 4 that communicates the inside and the outside of the pressure vessel 1.
- the nozzle 4 is connected to a pipe 5 such as a water supply pipe for supplying cooling water into the pressure vessel 1 and an introduction pipe for introducing high-temperature water heated in the pressure vessel 1 into the steam generator. .
- the pressure vessel 1 is made of a low alloy steel (for example, P-3).
- the pressure vessel 1 is formed of a clad layer 6 whose inner wall surface is made of stainless steel (for example, SUS308).
- the pipe 5 is also made of stainless steel (for example, P-8).
- Pipe 5 is a nickel-based alloy (example For example, the welded joint (welded joint) 7, 8 made of Inconel (registered trademark) 82 or Inconel 182) is joined to the tip of the nozzle 4.
- the maintenance device of the present embodiment is arranged in the nozzle 4 and the pipe 5 with the weld joints 7 and 8 to be welded in front and back, and the work area A closed in the nozzle 4 and the pipe 5 is provided.
- Seal member 9 for forming the compartment
- drainage means 12 for draining the work area A partitioned by the seal member 9 into a gas atmosphere
- welding means 13 for overlay welding on the inner surfaces of the hands 7 and 8.
- the seal member 9 includes a plurality of (in this embodiment, two) nozzle plugs 14 and 15 and a plurality of nozzle plugs 14 and 15 that are inserted into the nozzle 4 and the pipe 5 at predetermined intervals.
- a plurality of nozzle plugs 14 and 15 connected to each other and a guide rod 16 spanning between the nozzle plugs 14 and 15, and provided on the outer periphery of each nozzle plug 14 and 15 so as to be expandable / contractible (expandable). It consists mainly of seal tubes (first high pressure seal tube 10 and second high pressure seal tube 11) for sealing between the nozzle 4 and the inner surface of the pipe 5.
- the plurality of nozzle plugs 14 and 15 are arranged at a predetermined interval in the longitudinal direction of the nozzle 4 with respect to the first nozzle plug 14 disposed on the nozzle 4 side (right side in FIG. 2) and the first nozzle plug 14.
- the second nozzle plug 15 is arranged on the pipe 5 side (left side in FIG. 2).
- the outer diameters of the first nozzle plug 14 and the second nozzle plug 15 are set such that they can be inserted into the nozzle 4 and the pipe 5.
- the first nozzle plug 14 and the second nozzle plug 15 are inserted into the nozzle 4 and the pipe 5 from the inner side of the pressure vessel 1.
- the first nozzle plug 14 is formed in a substantially cylindrical shape, and one end (the right side in FIG. 2) is closed.
- the second nozzle plug 15 is formed in a substantially cylindrical shape and is closed at both ends.
- the first nozzle plug 14 is provided with a supply pipe 17 and a discharge pipe 18 that open into the work area A. Connected to the first nozzle plug 14 are a wire, a hose 19 and the like for supplying utilities such as power, air, and shielding gas to the seal member 9.
- a flange 14a facing the corner 4a of the nozzle 4 and an O for water-resistant seal for sealing between the flange 14a and the corner 4a of the nozzle 4.
- a ring 20 is provided on the outer periphery of the first nozzle plug 14.
- the seal member 9 (the first nozzle plug 14 and the second nozzle plug 15) is inserted into the nozzle 4, the seal member 9 is guided by the small wheel 21 provided on the second nozzle plug 15 to be connected to the nozzle 4 and Proceeds into the pipe 5 and stops when the O-ring 20 provided on the first nozzle plug 14 comes into contact with the corner part 4a of the nozzle 4.
- the first high-pressure seal tube 10 is fitted into a sealing groove 14 b provided on the outer periphery of the first nozzle plug 14.
- the second high-pressure seal tube 11 is fitted into a seal groove 15 a provided on the outer periphery of the second nozzle plug 15.
- the drainage means 12 purges (discharges) residual water in the work area A.
- the drainage means 12 supplies high-pressure gas (in this embodiment, air) to the work area A through the supply pipe 17, and works according to the high-pressure gas supplied to the work area A by the supply pipe 17.
- high-pressure gas in this embodiment, air
- the water introduced into the discharge pipe 18 is discharged through a hose 19 to a storage tank (not shown) arranged on the operation floor 3.
- the welding means 13 covers the inner surfaces of the welded joints 7 and 8, the inner surface of the nozzle 4 in the vicinity thereof, and the inner surface of the pipe 5.
- a new cladding layer (building layer) 22 (see Fig. 3) is formed.
- the welding means 13 is movable on the guide rod 16 spanned between the first nozzle plug 14 and the second nozzle plug 15 so as to be movable in the axial direction and the radial direction of the guide rod 16 (nozzle 4).
- a welding torch 23 (TIG welding torch in this embodiment) supported so as to be pivotable in the circumferential direction, and a welding rod (welding wire) having SCC resistance and corrosion resistance up to the tip of the welding torch 23. )
- a filler rod feeder 24 for feeding.
- the first nozzle plug 14 has a welding torch 23 and a grinder 25 described later as a guide rod 1 6 (Nozzle 4) is moved in the axial direction and the radial direction, and is provided with a driving device 26 for turning in the circumferential direction.
- the welding torch 23 and the filler rod supply device 24 are attached to a support rod 27 provided in the drive device 26.
- the welding means 13 controls the heat input conditions and supplies the filler rod with the filler rod supply device 24, while the electrode of the welding torch 23 and the surface to be welded (the inner surfaces of the welded joints 7 and 8, Arc discharge between the inner surface of the nozzle 4 and the inner surface of the pipe 5 in the vicinity, and in this state, the welding torch 23 is swung in the circumferential direction of the nozzle 4 by the driving device 26, thereby welding joints 7, 8
- the clad layer 22 is formed on the inner surface of the nozzle 4, the inner surface of the nozzle 4 in the vicinity thereof, and the inner surface of the pipe 5.
- the maintenance device includes drying means 28 and 29 for drying the surfaces to be welded prior to overlay welding of the inner surfaces of the welded joints 7 and 8.
- the drying means 28 dries the surface to be welded by supplying a relatively high-temperature high-pressure gas (dry air in the present embodiment) through the supply pipe 17 to the work area A.
- a relatively high-temperature high-pressure gas dry air in the present embodiment
- the drying means 29 controls the heat input conditions, does not supply the filler rod, causes arc discharge between the electrode of the welding torch 23 and the surface to be welded, and uses the arc as a heat source to be welded.
- the surface to be welded is dried by heating the surface.
- the maintenance device polishes the surface to be welded and polishes the formed cladding layer 22 after the overlay welding of the inner surfaces of the welded joints 7 and 8.
- a polishing (grinding) means 30 is provided for the purpose.
- the polishing means 30 has a grinder 25 for polishing the surface to be welded or the formed cladding layer 22.
- the grinder 25 is attached to a support rod 31 provided in the driving device 26.
- the polishing means 30 rotates the grinder 25 in the circumferential direction of the nozzle 4 by the driving device 26 in a state where the grinder 25 is in contact with the surface to be welded or the clad layer 22 formed.
- the surface to be welded or the formed cladding layer 22 is polished.
- the maintenance device Prior to the overlay welding of the inner surfaces of the welded joints 7 and 8, the maintenance device inspects the welded surface, and after the overlay welding of the inner surfaces of the welded joints 7 and 8, the formed cladding layer 22 is inspected. It is provided with inspection means 32 for the purpose.
- the inspection means 32 has cameras (CCD cameras) 33 and 34 respectively attached to a support rod 27 to which a welding torch 23 is attached and a support rod 31 to which a grinder 25 is attached.
- the inspection means 32 images the surface to be welded or the formed clad layer 22 with the cameras 33 and 34, and displays them on a monitor (not shown). Visual inspection is performed by observing the welded surface or the formed cladding layer 22 through a monitor.
- the maintenance device Prior to overlay welding of the inner surfaces of the welded joints 7 and 8, the maintenance device supplies shield gas to the work area A, and shield gas supply means for making the work area A a shield gas atmosphere.
- the shield gas supply means 35 supplies the work area A to a shield gas atmosphere by supplying an inert gas (eg, argon gas (Ar)) as a shield gas to the work area A through the supply pipe 17. .
- an inert gas eg, argon gas (Ar)
- Step 2 Install equipment such as seal member 9 (first nozzle plug 14 and second nozzle plug 15), cylinder 36, seal member (nozzle plug) operation unit 37, cylinder operation unit 38, hose and wires. Carry in to Operation Floor 3 (see Figure 1).
- Step 3 The seal member 9 and the cylinder 36 are installed on the carry-in beam 39, and the carry-in beam 39 is installed on the operation floor 3! Move into container 1 (see Figure 1). With the carry-in beam 39 suspended to the predetermined height in the pressure vessel 1, the seal member 9 is inserted into the nozzle 4 and the pipe 5 by the cylinder 36.
- Step 4 The first high pressure seal tube 10 and the second high pressure seal tube 11 are used to seal between the nozzle 4 and the pipe 5 and the seal member 9 (first nozzle plug 14 and second nozzle plug 15). In this state, supply air to work area A, discharge the remaining water in work area A, and make work area A a gaseous atmosphere.
- Step 5 If necessary, the surface to be welded is polished by a grinder 25 to remove foreign matters such as dust and cladding adhered to the surface to be welded.
- Step 6 The heat input conditions are controlled, and without supplying the filler rod, arc discharge is performed between the electrode of the welding torch 23 and the surface to be welded.
- the surface to be welded is dried by heating to a temperature (about 100 ° C), and the moisture in the SCC present in the welded joints 7 and 8 is evaporated.
- Step 7 After confirming the state of all the welded surfaces, control the heat input conditions, and while supplying the filler rod, arc discharge between the electrode of the welding torch 23 and the welded surface.
- the molten bar is melted to form a predetermined layer (three layers in this embodiment) covering the inner surfaces of the welded joints 7 and 8, the inner surface of the nozzle 4 in the vicinity thereof, and the inner surface of the pipe 5 with the welded joints 7 and 8.
- a clad layer 22 is formed (see FIG. 3).
- Step 8 The state of the clad layer 22 formed by the cameras 33 and 34 is photographed and displayed on a monitor, and it is confirmed whether or not the state of the formed clad layer 22 is abnormal.
- Step 9 The formed clad layer 22 is polished by a grinder 25 as necessary.
- Step 10 Vacuum the foreign matter in work area A through discharge pipe 18 (hose 19).
- Step 11 Remove the seal member 9 (the first nozzle plug 14 and the second nozzle plug 15) from the nozzle 4.
- the work area A closed in the nozzle 4 and the pipe 5 is sectioned by being moved back and forth to the welded joints 7 and 8 to be overlay welded.
- the inside of A is drained to form a gas atmosphere, and overlay welding is performed on the inner surfaces of welded joints 7 and 8 within the work area A in which the atmosphere is maintained, so that overlay welding can be performed in an atmospheric environment.
- Welded products Sufficient quality can be secured.
- the inspection means may include a penetrating flaw detector.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006800541947A CN101415517B (zh) | 2006-04-11 | 2006-04-11 | 焊接接头部的维护装置及维护方法 |
| JP2008509679A JP4840443B2 (ja) | 2006-04-11 | 2006-04-11 | 溶接継手部の保全装置及び保全方法 |
| PCT/JP2006/307661 WO2007116532A1 (ja) | 2006-04-11 | 2006-04-11 | 溶接継手部の保全装置及び保全方法 |
| US12/296,546 US8450631B2 (en) | 2006-04-11 | 2006-04-11 | Preserving apparatus for welded joint portion and preserving method therefor |
| KR1020087024487A KR101058137B1 (ko) | 2006-04-11 | 2006-04-11 | 용접 이음부의 보전 장치 및 보전 방법 |
| EP06731608.3A EP2006045B1 (en) | 2006-04-11 | 2006-04-11 | Method for preserving of welded joint portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/307661 WO2007116532A1 (ja) | 2006-04-11 | 2006-04-11 | 溶接継手部の保全装置及び保全方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007116532A1 true WO2007116532A1 (ja) | 2007-10-18 |
Family
ID=38580840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/307661 Ceased WO2007116532A1 (ja) | 2006-04-11 | 2006-04-11 | 溶接継手部の保全装置及び保全方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8450631B2 (ja) |
| EP (1) | EP2006045B1 (ja) |
| JP (1) | JP4840443B2 (ja) |
| KR (1) | KR101058137B1 (ja) |
| CN (1) | CN101415517B (ja) |
| WO (1) | WO2007116532A1 (ja) |
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| JP2009056468A (ja) * | 2007-08-30 | 2009-03-19 | Mitsubishi Heavy Ind Ltd | 管台内面水冷方法及び栓 |
| JP2010125482A (ja) * | 2008-11-27 | 2010-06-10 | Ihi Corp | 溶接継手部の保全装置及び保全方法 |
| JP2010276491A (ja) * | 2009-05-29 | 2010-12-09 | Hitachi-Ge Nuclear Energy Ltd | 炉内機器の予防保全方法及びその装置 |
| WO2011004540A1 (ja) * | 2009-07-10 | 2011-01-13 | 三菱重工業株式会社 | 原子炉容器の管台作業システム |
| JP2013140043A (ja) * | 2011-12-28 | 2013-07-18 | Mitsubishi Heavy Ind Ltd | 気中環境創出機構 |
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| CN103846722A (zh) * | 2012-11-30 | 2014-06-11 | 韩电Kps株式会社 | 加工、检查及焊接喷管的一体型装置 |
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| US20100325859A1 (en) * | 2009-06-26 | 2010-12-30 | Areva Np Inc. | Method for Repairing Primary Nozzle Welds |
| CN102059436B (zh) * | 2010-12-16 | 2013-03-20 | 上海森松制药设备工程有限公司 | 用于气保焊接的保护装置 |
| FR2969943B1 (fr) * | 2011-01-05 | 2012-12-28 | Serimax | Dispositif de bridage et de meulage de la surface interne de pieces tubulaires, procede associe |
| DE102011053171A1 (de) * | 2011-08-31 | 2013-02-28 | Hitachi Power Europe Gmbh | Formierkörper zum Abdichten eines zu schweißenden Gegenstandes, insbesondere eines Rohres |
| JP5688384B2 (ja) * | 2012-01-31 | 2015-03-25 | 日立Geニュークリア・エナジー株式会社 | ウォータジェットピーニング方法及びその装置 |
| EP2732900A1 (de) * | 2012-11-20 | 2014-05-21 | Nordseetaucher GmbH | Hyperbares Lichtbogenschweißen |
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| GB2564157A (en) | 2017-05-24 | 2019-01-09 | Kongsberg Ferrotech As | Additive manufacture system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62143762U (ja) * | 1986-03-04 | 1987-09-10 | ||
| JPS63168278A (ja) * | 1986-12-29 | 1988-07-12 | Toshiba Corp | 水中溶接装置 |
| US5435478A (en) | 1991-08-05 | 1995-07-25 | Wood; J. W. | Welding apparatus and method |
| JP2001219269A (ja) * | 2000-02-07 | 2001-08-14 | Hitachi Ltd | 水中加工装置及びその加工方法 |
| JP2003001478A (ja) * | 2001-04-17 | 2003-01-08 | Toshiba Corp | 構造部材の亀裂補修方法及び亀裂補修装置 |
| JP2005028405A (ja) | 2003-07-14 | 2005-02-03 | Ishikawajima Harima Heavy Ind Co Ltd | 配管の溶接接合工法及び溶接接合部構造 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3424887A (en) * | 1966-08-19 | 1969-01-28 | Barry F Fehlman | Apparatus for welding pipe joints |
| US3570109A (en) * | 1968-06-24 | 1971-03-16 | Hubert B Harlan | Joining method and apparatus therefor |
| JPS5110828B2 (ja) * | 1972-09-04 | 1976-04-07 | ||
| FR2319832A1 (fr) * | 1975-07-28 | 1977-02-25 | Petroles Cie Francaise | Methode de soudure de conduites immergees par aboutement de manchon et dispositif de mise en oeuvre |
| GB1539917A (en) * | 1976-03-08 | 1979-02-07 | Boc Ltd | Methods of arc welding in a super-atmospheric environment |
| FR2389446B1 (ja) * | 1977-05-02 | 1981-11-20 | Thome Paul | |
| JPS5764476A (en) | 1980-10-07 | 1982-04-19 | Mitsubishi Heavy Ind Ltd | Underwater welding equipment |
| JPS62143762A (ja) * | 1985-12-17 | 1987-06-27 | 三菱電機株式会社 | 列車運転整理案自動作成方式 |
| FR2617422B1 (fr) * | 1987-07-01 | 1992-08-14 | Rey Henri | Procede de soudure electrique en milieu aquatique et dispositif pour la mise en oeuvre de ce procede |
| US4940390A (en) * | 1988-05-05 | 1990-07-10 | Westinghouse Electric Corp. | Turbine system having more failure resistant rotors and repair welding of low alloy ferrous turbine components by controlled weld build-up |
| FI883979A7 (fi) | 1988-08-29 | 1990-03-01 | Ensi Kyoesti Juhani Niinivaara | Foerfarande och anordning foer ytbehandling av ett undervattensobjekt. |
| FR2652772B1 (fr) | 1989-10-10 | 1994-03-18 | Framatome | Procede et appareil de soudage a l'arc electrique d'un joint circulaire ou analogue a axe horizontal. |
| US5217156A (en) * | 1990-11-13 | 1993-06-08 | Walter Schnorrer | Device for hindgas coverage in tube welding |
| JPH05323078A (ja) | 1992-05-20 | 1993-12-07 | Hitachi Ltd | 炉心シュラウド溶接部の補修方法及び装置 |
| AU4111193A (en) * | 1992-05-27 | 1993-12-30 | Alloy Rods Global, Inc. | Welding electrodes for producing low carbon bainitic ferrite weld deposits |
| JPH08267285A (ja) * | 1995-03-31 | 1996-10-15 | Ishikawajima Harima Heavy Ind Co Ltd | 配管突合溶接用装置 |
| JP3918217B2 (ja) | 1997-01-10 | 2007-05-23 | 石川島播磨重工業株式会社 | 容器ノズル内面の補修方法 |
| US6881925B1 (en) * | 1997-12-09 | 2005-04-19 | Kabushiki Kaisha Toshiba | Laser emission head, laser beam transmission device, laser beam transmission device adjustment method and preventive maintenance/repair device of structure in nuclear reactor |
| US5981896A (en) * | 1998-08-26 | 1999-11-09 | Electric Power Research Institute, Inc. | Apparatus and method for creating dry underwater welds |
| JP3422970B2 (ja) * | 2000-05-12 | 2003-07-07 | 東洋エンジニアリング株式会社 | 高クロムオ−ステナイトステンレス鋼管の溶接方法 |
| JP2001200585A (ja) | 2000-12-01 | 2001-07-27 | Nkk Corp | コンクリート充填用鋼管柱 |
| US6506995B1 (en) * | 2001-06-21 | 2003-01-14 | General Electric Company | Conforming welding torch shroud |
| WO2005030419A2 (en) * | 2003-09-25 | 2005-04-07 | Smith International, Inc. | Friction stir welding improvements for metal matrix composites, ferrous alloys, non-ferrous alloys, and superalloys using a superabrasive tool |
-
2006
- 2006-04-11 EP EP06731608.3A patent/EP2006045B1/en not_active Ceased
- 2006-04-11 KR KR1020087024487A patent/KR101058137B1/ko not_active Expired - Fee Related
- 2006-04-11 US US12/296,546 patent/US8450631B2/en not_active Expired - Fee Related
- 2006-04-11 CN CN2006800541947A patent/CN101415517B/zh not_active Expired - Fee Related
- 2006-04-11 JP JP2008509679A patent/JP4840443B2/ja not_active Expired - Fee Related
- 2006-04-11 WO PCT/JP2006/307661 patent/WO2007116532A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62143762U (ja) * | 1986-03-04 | 1987-09-10 | ||
| JPS63168278A (ja) * | 1986-12-29 | 1988-07-12 | Toshiba Corp | 水中溶接装置 |
| US5435478A (en) | 1991-08-05 | 1995-07-25 | Wood; J. W. | Welding apparatus and method |
| JP2001219269A (ja) * | 2000-02-07 | 2001-08-14 | Hitachi Ltd | 水中加工装置及びその加工方法 |
| JP2003001478A (ja) * | 2001-04-17 | 2003-01-08 | Toshiba Corp | 構造部材の亀裂補修方法及び亀裂補修装置 |
| JP2005028405A (ja) | 2003-07-14 | 2005-02-03 | Ishikawajima Harima Heavy Ind Co Ltd | 配管の溶接接合工法及び溶接接合部構造 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2006045A4 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009056468A (ja) * | 2007-08-30 | 2009-03-19 | Mitsubishi Heavy Ind Ltd | 管台内面水冷方法及び栓 |
| JP2010125482A (ja) * | 2008-11-27 | 2010-06-10 | Ihi Corp | 溶接継手部の保全装置及び保全方法 |
| JP2010276491A (ja) * | 2009-05-29 | 2010-12-09 | Hitachi-Ge Nuclear Energy Ltd | 炉内機器の予防保全方法及びその装置 |
| WO2011004540A1 (ja) * | 2009-07-10 | 2011-01-13 | 三菱重工業株式会社 | 原子炉容器の管台作業システム |
| JP2011017670A (ja) * | 2009-07-10 | 2011-01-27 | Mitsubishi Heavy Ind Ltd | 原子炉容器の管台作業システム |
| US9524803B2 (en) | 2009-07-10 | 2016-12-20 | Mitsubishi Heavy Industries, Ltd. | Nozzle stub working system for reactor vessel |
| JP2013140043A (ja) * | 2011-12-28 | 2013-07-18 | Mitsubishi Heavy Ind Ltd | 気中環境創出機構 |
| JP2013208627A (ja) * | 2012-03-30 | 2013-10-10 | Hitachi-Ge Nuclear Energy Ltd | 高耐食Ni基溶接金属並びにこれを用いた溶接構造物及び原子力発電プラント |
| CN103846722A (zh) * | 2012-11-30 | 2014-06-11 | 韩电Kps株式会社 | 加工、检查及焊接喷管的一体型装置 |
| KR101438560B1 (ko) * | 2012-11-30 | 2014-09-05 | 한전케이피에스 주식회사 | 노즐 가공, 검사, 및 용접 일체형 장치 |
| US9183956B2 (en) | 2012-11-30 | 2015-11-10 | Korea Plant Service & Engineeering Co., Ltd | Machining, examination, and welding integral device for nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090166338A1 (en) | 2009-07-02 |
| EP2006045B1 (en) | 2013-07-03 |
| US8450631B2 (en) | 2013-05-28 |
| EP2006045A4 (en) | 2011-03-23 |
| KR20080106965A (ko) | 2008-12-09 |
| KR101058137B1 (ko) | 2011-08-24 |
| CN101415517A (zh) | 2009-04-22 |
| CN101415517B (zh) | 2011-10-05 |
| EP2006045A9 (en) | 2009-05-20 |
| JPWO2007116532A1 (ja) | 2009-08-20 |
| JP4840443B2 (ja) | 2011-12-21 |
| EP2006045A2 (en) | 2008-12-24 |
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