CN110153634A - A kind of pipeline girth weld welding repair method again - Google Patents
A kind of pipeline girth weld welding repair method again Download PDFInfo
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- CN110153634A CN110153634A CN201910414413.7A CN201910414413A CN110153634A CN 110153634 A CN110153634 A CN 110153634A CN 201910414413 A CN201910414413 A CN 201910414413A CN 110153634 A CN110153634 A CN 110153634A
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- welding
- pipeline
- weld
- pipeline girth
- girth weld
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Classifications
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- 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
-
- 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
- B23K9/042—Built-up welding on planar surfaces
-
- 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
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The present invention relates to a kind of pipeline girth weld welding repair methods again, solve the problems, such as that the reparation of defect at existing girth joint is big there are welding intensity and welding quality cannot be guaranteed, method includes the following steps: the 1) cleaning to pipeline girth weld and adjacent area, cleaning；2) to the nondestructive inspection of pipeline girth weld and adjacent area；3) deformeter is disposed about in pipeline girth weld；4) REPAIR WELDING is carried out again to pipeline girth weld to handle, while monitoring the ess-strain of the process；5) nondestructive inspection is carried out to the welding bead of REPAIR WELDING again of step 4) treated pipeline girth weld；6) determine whether welding again for pipeline girth weld repairs qualification, if qualified execute step 7), if unqualified return step 4)；7) to the welding bead of the REPAIR WELDING again progress anti-corrosion treatment for determining reparation qualification；8) backfill recovery processing is carried out to the pipeline after anti-corrosion treatment.
Description
Technical field
The present invention relates to pipe-line fields, and in particular to a kind of pipeline girth weld welding repair method again can be used
Maintenance activity is robbed in oil-gas transportation in-service pipeline.
Background technique
Pipeline is efficient, convenient, the environmentally friendly mode of oil-gas transportation, at present China long distance pipeline mileage be about
More than 80000 kilometers, great convenience is brought for the modern life.Pipeline belongs to special pressure vessel, in the fortune of oil and gas long distance pipeline
During battalion, because of reasons such as burn into stress, the generation of defect in pipeline will lead to, so that making the safety of pipeline operation reduces.
Therefore, pipeline is needing to test with period, detects that defect present in pipeline is repaired, such as metal caused by corrosion
Lose (wall thickness reduction), pipeline girth weld junction incomplete fusion the defects of.
Currently, to the reparation of defect at girth joint, there are mainly two types of modes: changing pipe or Type B sleeve reinforcement recovery.Changing pipe is
A main means of pipeline hidden danger are thoroughly eradicated, but need to carry out pipeline shutdown, influence the production of downstream oil gas user.Such as figure
Shown in 1, the weld seam after being repaired using Type B sleeve to pipeline includes two lateral longitudinal seams and two end fillet welds, is welded as
The welding difficulty of manual operation, great work intensity, two circumferential fillet welds is big, and welding quality is not easy to guarantee.
Summary of the invention
Present invention aim to address the reparation of defect at existing girth joint, there are welding intensity is big and welding matter
Amount it cannot be guaranteed that the problem of, a kind of pipeline girth weld welding repair method again is provided.
The technical scheme is that
A kind of pipeline girth weld welding repair method again, comprising the following steps:
1) pipeline girth weld and adjacent area cleared up, cleaned；
2) nondestructive inspection is carried out to pipeline girth weld and adjacent area；
3) it is disposed about deformeter in pipeline girth weld, for monitoring the ess-strain near pipeline girth weld；
4) REPAIR WELDING is carried out again to pipeline girth weld to handle, form REPAIR WELDING welding bead again, while monitor stress strains；
It is described to pipeline girth weld carry out again REPAIR WELDING processing specifically includes the following steps:
4.1) REPAIR WELDING position, which preheats, again is waited for pipeline girth weld；
4.2) REPAIR WELDING position backing welding again is waited for pipeline girth weld, forms back welding layer；
4.3) weld seam after step 4.2) backing welding cleared up, checked, if 4.4) qualification thens follow the steps, if not conforming to
Lattice then remove unqualified back welding layer, and return step 4.2)；
4.4) transition zone welding is carried out to step 4.3) treated weld seam；
4.5) weld seam after the welding of step 4.4) transition zone cleared up, checked, if 4.6) qualification thens follow the steps, if
It is unqualified, then remove unqualified transition zone, and return step 4.4)；
4.6) to step 4.5) treated weld seam is filled layer welding；
4.7) weld seam after the welding of step 4.6) filled layer cleared up, checked, if 4.8) qualification thens follow the steps, if
It is unqualified, then remove unqualified filled layer, and return step 4.6)；
4.8) welding of capping layer is carried out to step 4.7) treated weld seam；
4.9) weld seam after the welding of step 4.8) capping layer cleared up, checked, if 5) qualification thens follow the steps, if not
Qualification then removes unqualified capping layer, and return step 4.8)；
5) nondestructive inspection is carried out to the welding bead of REPAIR WELDING again of step 4)；
6) ess-strain monitored according to the nondestructive inspection result of the welding bead of REPAIR WELDING again of step 5) and step 4),
Determine whether welding again for pipeline girth weld repairs qualification, if qualified execute step 7), if unqualified return step 4)；
7) to the welding bead of the REPAIR WELDING again progress anti-corrosion treatment for determining reparation qualification；
8) backfill recovery processing is carried out to the pipeline after anti-corrosion treatment.
Further, further include setting separate layer step between step 4.1) and step 4.2):
Wait for that again separate layer is arranged in REPAIR WELDING position in pipeline girth weld, between being between the separate layer and pipeline girth weld
Gap setting.
Further, in step 3), it is specific as follows to be disposed about deformeter in pipeline girth weld: pipeline 3 ', 6 ', 9 ',
Strain rosette is pasted in the weld seam two sides of 12 ' point positions, hands in the weld seam unilateral side of 1 ', 2 ', 4 ', 5 ', 7 ', 8 ', 10 ', 11 ' point position of pipeline
For patch strain rosette.
Further, further include brownout operation step between step 3) and step 4):
Brownout operation is carried out to pipeline；
Further include boosting (once dropping decompression before repairing) operating procedure between step 6) and step 7):
The pipeline of decompression is restored to operate normally pressure.
Further, in step 4), in step 4), back welding slice width degree is 3-5 times of the outer weld width of former pipeline girth weld,
Transition zone width is 3-5 times of the outer weld width of former pipeline girth weld, and filled layer width is the outer weld width of former pipeline girth weld
2-5 times, capping slice width degree is 2-4 times of the outer weld width of former girth joint.
Further, in step 4.1), waiting for that again REPAIR WELDING position carries out preheating to pipeline girth weld is added using induction
The mode in the torrid zone is preheated.
Further, in step 4.1), the temperature that REPAIR WELDING position is preheated again, which is 80-, to be waited for pipeline girth weld
150℃。
Compared with prior art, the present invention having following technical effect that
1. the present invention provides a kind of girth joint and welds (built-up welding) restorative procedure again, it is equivalent to the length reduction of Type B sleeve
Two circumferential fillet welds to 0, while when by Type B sleeve reinforcement recovery are replaced with one and weld (heap again to former girth joint
Weldering) weld seam, repairing weld seam to the welding again of former girth joint (built-up welding) can be completed by the way of machine automatic welding, to subtract
Lack manual operation intensity, guarantees welding quality.
2. the present invention is subsequent pipe to weld the shortcoming hidden danger of quality repaired in a manner of (built-up welding) in in-service pipeline girth joint again
Line safe operation provides safeguard.
3. girth joint of the invention welds (built-up welding) restorative procedure again, provide a kind of for repairing in-service pipeline girth joint
The institutional framework and geometric dimension for welding (built-up welding) welding bead again, the weld seam to weld again provides reliable guarantee.
Detailed description of the invention
Fig. 1 is existing Type B sleeve and the cooperation schematic diagram for being repaired pipeline；
Fig. 2 is the inventive pipeline girth joint direct built-up welding schematic diagram of welding repair method again；
Fig. 3 be inventive pipeline girth joint again welding repair method be arranged separate layer welding schematic diagram；
Fig. 4 is the inventive pipeline girth joint direct heap postwelding appearance schematic diagram of welding repair method again；
Fig. 5 is that the welding appearance schematic diagram after separate layer is arranged in welding repair method to inventive pipeline girth joint again.
Appended drawing reference: 1- pipeline girth weld, 2- back welding layer, 3- transition zone, 4- filled layer, 5- capping layer, 6- separate layer, 7-
Pipeline.
Specific embodiment
The contents of the present invention are described in further detail below in conjunction with specific embodiment.
Based on the progress of current 3D printing (built-up welding welding) technology, using automatic welding device, the present invention is provided to asking
Inscribe girth joint recovery scenario: take to the direct built-up welding of former weld seam increase add wide way improve girth joint intensity and toughness, or with
Built-up welding (3D printing) mode constructs the short length to form that bridges a former girth joint (do not fuse and weld with former weld seam) " Type B
Sleeve " improves the intensity and toughness of former girth joint.Present invention eliminates the fillet welds of Type B sleeve fashion, also easy to accomplish mechanical
Automatic operation.
Girth joint provided by the invention welds (built-up welding) restorative procedure again and is equivalent to by the length reduction of Type B sleeve to 0, together
When by Type B sleeve reinforcement recovery when two circumferential fillet welds replace with one (built-up welding) weld seam welded again to girth joint, it is right
The mode of machine automatic welding can be used to complete in (built-up welding) reparation weld seam that welds again of girth joint, so that it is strong to reduce manual operation
Degree, ensure that welding quality.(built-up welding) reparation of welding again to girth joint is increasing on the basis of former girth joint to former circumferential weld
Thick (increased thickness is about former pipeline wall thickness) widens and (heat affected area in former boxing road is completely covered, and may be wider), in this way
When (built-up welding) is welded in girth joint reparation again, then to weld the influence of (built-up welding) to former boxing road structure property smaller, then welds (heap
Weldering) new welding bead is formed, new welding bead performance indicator and quality assurance are to influence girth joint to weld (built-up welding) repairing quality again
It is crucial.
When pipeline once welds, why not boxing road " is reinforced high " to height, the width increasing of part? it is practical to carry out
When pipe-line construction is constructed, what the design of girth joint used waits strong matching, and boxing road does not need " reinforcing high " part, i.e., certifiable ring
Weld seam is identical as the intensity of pipeline steel pipe ontology.In normal girth joint quality assurance, part " is reinforced into high " in boxing road
Height, width increase, in addition to increase wlding material consumption, reduce construction efficiency, increase boxing operating expenses other than, not to girth joint
Booster action can be effectively played.If occurring unqualified defect in girth joint, but by evaluation but when the construction of practical pipe-line construction
It can be by welding (built-up welding) reinforcement recovery again, then specially designing weldering to boxing road to the unqualified defect occurred in girth joint
" reinforcing high " is picked out, " is reinforced high " by boxing road, effective booster action is played to the girth joint of initial quality problem.In addition,
With the progress of welding technique in recent years, can be welded again (built-up welding) repair girth joint higher mechanical property (it is strong, tough,
Plasticity) index, this just makes it possible that girth joint reparation welds (built-up welding) welding bead again and carries out harsher carrying.
In the construction of practical pipe-line construction, if occurring unqualified defect in girth joint, lacks to pipeline girth weld and carry out
Evaluation, determines that in-service pipeline girth joint is welded the feasibility of (built-up welding) reparation again, then formulates in-service pipeline girth joint and welds again
The scheme for connecing (built-up welding) reparation welds (built-up welding) recovery scenario according to the in-service pipeline girth joint of formulation again, implements in-service pipeline
Girth joint welds (built-up welding) reparation again.
Embodiment one
In-service pipeline girth joint provided by the invention weld (built-up welding) restorative procedure again the following steps are included:
1) pipeline girth weld 1 and adjacent area cleared up, cleaned；
2) nondestructive inspection is carried out to pipeline girth weld 1 and adjacent area, is welded again with confirming that the pipeline girth weld 1 is suitble to use
Connect (built-up welding) reparation；
3) it is disposed about deformeter in pipeline girth weld 1, to monitor the ess-strain of follow-up link, the step is specifically such as
Under: paste strain rosette in the weld seam two sides of pipeline 3 ', 6 ', 9 ', 12 ' point positions, pipeline 1 ', 2 ', 4 ', 5 ', 7 ', 8 ', 10 ',
Strain rosette is pasted in the alternating unilateral side of 11 ' point position weld seams, strain rosette paste position when not influencing welding as close to
Former girth joint；
4) pipe ring is carried out to pipeline 7 when necessary and welds preprosthetic brownout operation (such as to natural gas line 7 by pressure drop
To 80% pressure for finding pipeline maximum pressure over 1 year when defect hereinafter, 6 when pressure being down to discovery defect to oil pipeline
Over month below 80% pressure of pipeline maximum pressure)；
5) that implements in-service pipeline girth joint welds (built-up welding) reparation again, forms REPAIR WELDING welding bead again, and at-once monitor should
The ess-strain of process；
6) nondestructive inspection is carried out to the welding bead of REPAIR WELDING again of pipeline girth weld 1；
7) according to the nondestructive inspection of REPAIR WELDING welding bead again as a result, and the ess-strain that arrives of actual monitoring, determine pipeline
Whether welding again for girth joint 1 repairs qualification, if qualified execute step 8), if unqualified return step 5)；
8) booste operation is carried out to pipeline 7 when necessary, the pipeline 7 of decompression is restored to operate normally pressure；
9) pipeline girth weld 1 for repairing qualification to judgement welds (built-up welding) reparation welding bead again and is checked and accepted, to acceptance(check)
Pipeline girth weld 1 weld again (built-up welding) repair place carry out anti-corrosion treatment；
10) to the pipe section of anti-corrosion treatment after qualified carry out backfill recovery (pipeline is usually buried pipeline 7,
Exposing is excavated in maintenance process, it must be backfilled again after having repaired buried).
Weld again (built-up welding) that step 5) implements in-service pipeline girth joint is repaired, and following steps are specifically included
5.1) wait for welding the preheating that (built-up welding) repairs position again to girth joint using induction heating band or other means, by setting
Meter is heated to certain suitable temperature (generally at 80-150 DEG C)；
5.2) to the position backing welding after preheating, back welding layer 2 is formed；Backing welding uses the wlding easily welded with former weld seam；
Such as to X70/L485 grade of steel pipeline, backing welding uses E5015-G wlding or other similar wlding；Backing welding width can be original
Weld width is 3-5 times wide outside girth joint；
5.3) welding bead after backing welding cleared up, checked, it, will if unqualified if 5.4) qualification thens follow the steps
Unqualified back welding layer removal, and return step 5.2)；
5.4) weld seam after step 5.3) processing is carried out transition zone 3 to weld, transition zone 3 uses the preferable wlding of plasticity and toughness；
Such as to X70/L485 grade of steel pipeline, transition weldering uses E5015-G wlding or other similar wlding；It to be original that width is welded in transition
Weld width is 3-5 times wide outside girth joint, gradually narrows compared to backing welding；
5.5) welding bead cleaning, inspection after transition zone 3 welds,, will not if unqualified if 5.6) qualification thens follow the steps
Qualified transition zone removal, and return step 5.4)；
5.6) weld seam after step 5.5) processing is filled layer 4 to weld, filled layer 4 is higher using the preferable intensity of plasticity and toughness
Wlding；Such as to X70/L485 grade of steel pipeline, filling weldering uses E5015-G wlding or other similar wlding；Filling weldering width
It can be the 2-5 times wide of the outer weld width of former girth joint, gradually narrow compared to backing welding；
5.7) the welding bead cleaning after filled layer 4 welds, checks,, will not if unqualified if 5.8) qualification thens follow the steps
Qualified filled layer removal, and return step 5.6)；
5.8) weld seam after step 5.7) processing is carried out capping layer 5 to weld, capping layer 5 uses the preferable wlding of plasticity and toughness.
Such as to X70/L485 grade of steel pipeline, cosmetic welding uses E5015-G wlding or other similar wlding；Cosmetic welding width can be original
Weld width is 2-4 times wide outside girth joint, gradually narrows compared to backing welding；
5.9) welding bead cleaning, inspection after capping layer 5 welds, if 6) qualification thens follow the steps, if unqualified, will not conform to
The removal of lattice capping layer, and return step 5.8).
As shown in Figure 2 and Figure 4, the back welding layer 2 that the present invention uses welds, transition zone 3 welds, the welding of filled layer 4, capping layer
5 welding can carry out refinement according to specific tube material, so that overlaying structure has comprehensive tough plasticity, really send out
It shoots to the renovation reinforced of former girth joint.
Implement two
Embodiment two is similar with embodiment one, difference are as follows: further includes that setting separates between step 4.1) and step 4.2)
Layer step, waits for REPAIR WELDING position erecting and welding separate layer 6 again to girth joint.It as shown in Figure 3 and Figure 5, is basic mode with separate layer 6
Layer forms shorter " the Type B sleeve " of a size by 3D printing (built-up welding mode) construction in 6 top of separate layer, makes the B to be formed
Jacket cylinder is connected across former girth joint two sides.When forming " the Type B sleeve " of shorter size using 3D printing (built-up welding mode) construction,
Separate layer 6 will not allow former girth joint to melt, and make to exist between " Type B sleeve " inner wall of 3D printing (built-up welding) and former girth joint certain
Gap.
When erecting and welding separate layer 6, separate layer 6 is using low-intensity, the material of high-plasticity, material thickness 1-2mm, width
20-25mm.The material thickness 1-2mm of separate layer 6 guarantee when built-up welding will not burn-through separate layer 6 and influence former girth joint, make with
There are certain intervals between the structure (" Type B sleeve ") of built-up welding and former girth joint afterwards, but built-up welding molding can be provided for subsequent built-up welding
Basic mode；The advantages of width 20-25mm is to make the structure of subsequent built-up welding (" Type B sleeve ") across former girth joint (including original
The heat affected area of girth joint).
Claims (7)
1. a kind of pipeline girth weld welding repair method again, which comprises the following steps:
1) pipeline girth weld and adjacent area cleared up, cleaned；
2) nondestructive inspection is carried out to pipeline girth weld and adjacent area；
3) it is disposed about deformeter in pipeline girth weld, for monitoring the ess-strain near pipeline girth weld；
4) REPAIR WELDING is carried out again to pipeline girth weld to handle, form REPAIR WELDING welding bead again, while monitor stress strains；
It is described to pipeline girth weld carry out again REPAIR WELDING processing specifically includes the following steps:
4.1) REPAIR WELDING position, which preheats, again is waited for pipeline girth weld；
4.2) REPAIR WELDING position backing welding again is waited for pipeline girth weld, forms back welding layer；
4.3) weld seam after step 4.2) backing welding cleared up, checked, if 4.4) qualification thens follow the steps, if unqualified,
Then unqualified back welding layer is removed, and return step 4.2)；
4.4) transition zone welding is carried out to step 4.3) treated weld seam；
4.5) weld seam after the welding of step 4.4) transition zone cleared up, checked, if 4.6) qualification thens follow the steps, if not conforming to
Lattice then remove unqualified transition zone, and return step 4.4)；
4.6) to step 4.5) treated weld seam is filled layer welding；
4.7) weld seam after the welding of step 4.6) filled layer cleared up, checked, if 4.8) qualification thens follow the steps, if not conforming to
Lattice then remove unqualified filled layer, and return step 4.6)；
4.8) welding of capping layer is carried out to step 4.7) treated weld seam；
4.9) weld seam after the welding of step 4.8) capping layer cleared up, checked, if 5) qualification thens follow the steps, if not conforming to
Lattice then remove unqualified capping layer, and return step 4.8)；
5) nondestructive inspection is carried out to the welding bead of REPAIR WELDING again of step 4)；
6) ess-strain monitored according to the nondestructive inspection result of the welding bead of REPAIR WELDING again of step 5) and step 4) determines
Whether welding again for pipeline girth weld repairs qualification, if qualified execute step 7), if unqualified return step 4)；
7) to the welding bead of the REPAIR WELDING again progress anti-corrosion treatment for determining reparation qualification；
8) backfill recovery processing is carried out to the pipeline after anti-corrosion treatment.
2. pipeline girth weld according to claim 1 welding repair method again, which is characterized in that step 4.1) and step
4.2) further include setting separate layer step between:
It waits for that again separate layer is arranged in REPAIR WELDING position in pipeline girth weld, is set between the separate layer and pipeline girth weld for gap
It sets.
3. pipeline girth weld according to claim 2 welding repair method again, it is characterised in that: in step 3), in pipeline
It is specific as follows that girth joint is disposed about deformeter: strain rosette is pasted in the weld seam two sides of 3 ', 6 ', 9 ', 12 ' point position of pipeline, in pipe
Alternately paste strain rosette in the weld seam unilateral side of 1 ', 2 ', 4 ', 5 ', 7 ', 8 ', 10 ', 11 ' point position of road.
4. pipeline girth weld according to claim 1 or 2 or 3 welding repair method again, which is characterized in that
Further include brownout operation step between step 3) and step 4):
Brownout operation is carried out to pipeline；
Further include booste operation step between step 6) and step 7):
The pipeline of decompression is restored to operate normally pressure.
5. pipeline girth weld according to claim 4 welding repair method again, it is characterised in that: in step 4), back welding layer
Width is 3-5 times of the outer weld width of former pipeline girth weld, and transition zone width is the 3-5 of the outer weld width of former pipeline girth weld
Times, filled layer width is 2-5 times of the outer weld width of former pipeline girth weld, and capping slice width degree is the outer weld width of former girth joint
2-4 times.
6. pipeline girth weld according to claim 5 welding repair method again, which is characterized in that in step 4.1), to pipe
Road girth joint, which waits for that again REPAIR WELDING position carries out preheating, to be preheated by the way of induction heating band.
7. pipeline girth weld according to claim 6 welding repair method again, it is characterised in that: in step 4.1), to pipe
Road girth joint waits for that the temperature that REPAIR WELDING position is preheated again is 80-150 DEG C.
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| CN201910414413.7A CN110153634B (en) | 2019-05-17 | 2019-05-17 | Pipeline girth weld re-welding repair method |
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| CN201910414413.7A CN110153634B (en) | 2019-05-17 | 2019-05-17 | Pipeline girth weld re-welding repair method |
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| CN113798777A (en) * | 2021-09-10 | 2021-12-17 | 中国航发哈尔滨东安发动机有限公司 | Method for repairing defect of pipeline circumferential weld |
| CN113829002A (en) * | 2021-10-20 | 2021-12-24 | 北京首钢冷轧薄板有限公司 | Repairing method for cracking of expansion joint of radiant tube of continuous annealing furnace |
| CN113983275A (en) * | 2021-10-27 | 2022-01-28 | 中国石油化工集团有限公司 | Reinforcing and repairing method for corrosion defects on outer surface of oil and gas pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58377A (en) * | 1981-06-24 | 1983-01-05 | Kawasaki Steel Corp | Deep penetration arc welding method for thick walled steel materials by multiple electrodes |
| JP2005279664A (en) * | 2004-03-29 | 2005-10-13 | Nippon Steel Corp | Method for joining mash seam joined tube of titanium-made or titanium alloy-made tube |
| CN201310708Y (en) * | 2008-08-13 | 2009-09-16 | 中国石油天然气股份有限公司 | Pipeline spiral weld defect repairing structure |
| CN101579774A (en) * | 2008-05-15 | 2009-11-18 | 中国石油天然气股份有限公司 | On-line repairing-reinforcing structure for oil pipelines |
| CN106141561A (en) * | 2016-07-20 | 2016-11-23 | 嘉兴翰德圣激光再制造技术有限公司 | A kind of renovation technique of multistage pump pump shaft |
| CN106990112A (en) * | 2017-03-14 | 2017-07-28 | 清华大学 | The multi-layer multi-pass welding track detection device and method merged based on multi-visual information |
| CN108127257A (en) * | 2017-12-21 | 2018-06-08 | 中广核工程有限公司 | In-service nuclear power station main equipment safe end weld defect restorative procedure |
-
2019
- 2019-05-17 CN CN201910414413.7A patent/CN110153634B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58377A (en) * | 1981-06-24 | 1983-01-05 | Kawasaki Steel Corp | Deep penetration arc welding method for thick walled steel materials by multiple electrodes |
| JP2005279664A (en) * | 2004-03-29 | 2005-10-13 | Nippon Steel Corp | Method for joining mash seam joined tube of titanium-made or titanium alloy-made tube |
| CN101579774A (en) * | 2008-05-15 | 2009-11-18 | 中国石油天然气股份有限公司 | On-line repairing-reinforcing structure for oil pipelines |
| CN201310708Y (en) * | 2008-08-13 | 2009-09-16 | 中国石油天然气股份有限公司 | Pipeline spiral weld defect repairing structure |
| CN106141561A (en) * | 2016-07-20 | 2016-11-23 | 嘉兴翰德圣激光再制造技术有限公司 | A kind of renovation technique of multistage pump pump shaft |
| CN106990112A (en) * | 2017-03-14 | 2017-07-28 | 清华大学 | The multi-layer multi-pass welding track detection device and method merged based on multi-visual information |
| CN108127257A (en) * | 2017-12-21 | 2018-06-08 | 中广核工程有限公司 | In-service nuclear power station main equipment safe end weld defect restorative procedure |
Non-Patent Citations (2)
| Title |
|---|
| 本书编委会: "《化工设备安全工程定额应用与概预算手册（上卷）》", 30 April 2003, 北京科海电子出版社 * |
| 王伟雄等: "《起重机械结构服役安全评估技术》", 30 November 2014, 华南理工大学出版社 * |
Cited By (11)
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| CN110672151A (en) * | 2019-09-23 | 2020-01-10 | 中国石油天然气集团有限公司 | Evaluation method for pipeline repairing effect by using epoxy steel sleeve |
| CN110672151B (en) * | 2019-09-23 | 2022-07-05 | 中国石油天然气集团有限公司 | Evaluation method for pipeline repairing effect by using epoxy steel sleeve |
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| CN113798777A (en) * | 2021-09-10 | 2021-12-17 | 中国航发哈尔滨东安发动机有限公司 | Method for repairing defect of pipeline circumferential weld |
| CN113829002A (en) * | 2021-10-20 | 2021-12-24 | 北京首钢冷轧薄板有限公司 | Repairing method for cracking of expansion joint of radiant tube of continuous annealing furnace |
| CN113983275A (en) * | 2021-10-27 | 2022-01-28 | 中国石油化工集团有限公司 | Reinforcing and repairing method for corrosion defects on outer surface of oil and gas pipeline |
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