CN105965204B - Expansion joint special type restorative procedure - Google Patents
Expansion joint special type restorative procedure Download PDFInfo
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- CN105965204B CN105965204B CN201610375847.7A CN201610375847A CN105965204B CN 105965204 B CN105965204 B CN 105965204B CN 201610375847 A CN201610375847 A CN 201610375847A CN 105965204 B CN105965204 B CN 105965204B
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- expansion joint
- zone
- bellows
- restorative procedure
- plugged
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- 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
Abstract
The invention discloses a kind of extraordinary restorative procedure of expansion joint, it comprises the following steps：S1. the oil removal of damaged bellows surface：S2. the rust deposite of damaged bellows surface is removed：S3. swelling red sandstone breakage split it is larger in the case of, carry out adjust seam processing：S4. at the cracking failure of bellows, the stifled real all gaps of tight, envelope of plugging material are utilized after removing surface；S5. after plugged zone solidification, using high-temperature resistant pipeline rubber confining zone, one layer of closure reinforcement is added again to plugged zone；S6. it is the sealing effectiveness of reinforcing plugged zone, rubber confining zone carries out expansion joint after locking processing with stainless steel locking cranse respectively in both sides after installing can block crack and no longer gas leakage.The beneficial effects of the invention are as follows：This new technology is adapted to the expansion joint leak stopping reparation of any pipeline, need not be stopped the supple of gas or steam during construction, production is not influenceed, does not go out spark without detonation factors, easy to operate, safe, low-cost.
Description
Technical field
The present invention relates to expansion joint field, more particularly, to a kind of extraordinary restorative procedure of expansion joint.
Background technology
On the gas pipeline network of all industrial enterprise all generally, install and use expansion joint in large quantities, for eliminate pipeline heat
The stress that shrinkage of rising is produced, it is ensured that the safe handling of pipe network.Due to using all the year round, aging, the factor such as deformation, when and expand
Section cracking gas leak phenomenon, such as disposes the production for not only having influenceed pipe network but also may jeopardize safety not in time, can be produced during such as coal gas of leakage
Be poisoned, catch fire, even blast etc. disastrous effect, can not be ignored.
Conventional method of disposal is more to renew expansion joint spare part to solve, but this method not only needs the spare part expense of great number, and
The influence production that need to be stopped the supple of gas or steam when repairing is changed, if gas piping also wants the operation that coal gas purging, displacement etc. are wasted time and energy, also it is existing
Field is often even more difficult in field high altitude open work.
The content of the invention
It is an object of the invention to provide a kind of extraordinary restorative procedure of expansion joint, it need not stop the supple of gas or steam in construction, not influence
Production, spark is not gone out and without detonation factors, easy to operate, safe, low-cost.
In order to solve the above technical problems, embodiments of the present invention provide a kind of extraordinary restorative procedure of expansion joint, it is wrapped
Include following steps：
(1) surface treatment of swelling red sandstone
S1. the oil removal of damaged bellows surface：Tentatively cleaned using environment-friendlywater-based water-based cleaning agent, then use environmentally friendly greasy dirt
Cleaning agent 755, spraying cleaning is cleared only；
S2. the rust deposite of damaged bellows surface is removed：The rust deposite of gas piping is directly brushed from happy safe rust conversion agent
In pipeline external surface, rust deposite layer in bottom is converted into the fine and close priming coat of black, after solidification there is antirust, corrosion resistant to act on；
S3. swelling red sandstone breakage split it is larger in the case of, carry out adjust seam processing：Expansion joint is drawn using instrument
It is tight to shrink, untill the crack diminution even joint close for making bellows, it is easy to block operation；
(2) the damaged closure processing of swelling red sandstone
S4. at the cracking failure of bellows, the stifled real all gaps of tight, envelope of plugging material are utilized after removing surface；
S5. after plugged zone solidification, using high-temperature resistant pipeline rubber confining zone, one layer of closure reinforcement is added again to plugged zone；
(3) bellows plugged zone is fastened
S6. it is the sealing effectiveness of reinforcing plugged zone, rubber confining zone locks cranse with stainless steel respectively after installing in both sides
Carry out after locking processing, expansion joint can be plugged crack and no longer gas leakage.
In step S4 as the extraordinary restorative procedure of the expansion joint of the present invention, the plugging material is happy Thailand 596.
In step S6 as the extraordinary restorative procedure of the expansion joint of the present invention, stainless steel locking cranse, which has, is used for periodically tune
The lock-screw of fastening.
In step S1 as the extraordinary restorative procedure of the expansion joint of the present invention, environment-friendlywater-based water-based cleaning agent is happy Thailand 82253.
The present invention has the advantages that：This new technology is adapted to the expansion joint leak stopping reparation of any pipeline, during construction
It need not stop the supple of gas or steam, production not influenceed, does not go out spark without detonation factors, easy to operate, safe, low-cost, expansion joint high pressure leakage
When also there is corresponding measure to carry out closure reparation, therefore the leak stopping reparation of all kinds of expansion joints can be met.
Brief description of the drawings
Fig. 1 repairs structural representation for expansion joint special type in the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Referring to Fig. 1, the figure is the structural representation of expansion joint special type closure reinforcement, and the ripple of expansion joint is shown in the figure
Pipe 1, the plugged zone 2 being made up of plugging material, rubber confining zone 3 and stainless steel locking cranse 4.
It is described in detail below for specific expansion joint renovation technique.
A kind of expansion joint extraordinary restorative procedure, it includes the surface treatment of swelling red sandstone, swelling red sandstone and broken
Closure processing, the fastening of bellows plugged zone are damaged, specifically, is comprised the following steps：
(1) surface treatment of swelling red sandstone
S1. the oil removal of damaged bellows surface：Using environment-friendlywater-based water-based cleaning agent (for example：It is happy safe 82253) preliminary
Cleaning, then with environmentally friendly greasy dirt detergent 755, cleaning of spraying is cleared only.
S2. the rust deposite of damaged bellows surface is removed：Due to the unavailable sandblasting of the rust deposite of gas piping or electronic beat
The pyrophoric processing mode of the production such as mill, in consideration of it, the rust deposite of gas piping is directly brushed outside pipeline from happy safe rust conversion agent
Bottom rust deposite layer, can be converted into the fine and close priming coat of black, have antirust, the function of corrosion resistant after solidification by surface.
S3. swelling red sandstone breakage split it is larger in the case of, carry out adjust seam processing：Expansion joint is drawn using instrument
It is tight to shrink, untill the crack diminution even joint close for making bellows, it is easy to preferably block operation.
(2) the damaged closure processing of swelling red sandstone
S4. at the cracking failure of bellows, using the stifled real all gaps of tight, envelope of plugging material after removing surface, here
The plugged zone 2 that plugging material is constituted is happy Thailand 596, and the material is a kind of one-component thermostable silica gel, room temperature vulcanization sealant, low
Volatile body of paste, viscosity it is splendid and slide drop down, with rapid curing after atmosphere.Have after solidification tough and tensile, pliable
It is bent, ageing-resistant, do not shrink or the function such as cracking.Tensile strength 380psi, elongation is up to 380%, 350 DEG C of high temperature resistant.
S5. after plugged zone solidification, using high-temperature resistant pipeline rubber confining zone 3, one layer of closure reinforcement is added again to plugged zone 2,
High-temperature resistant pipeline rubber confining zone is a kind of stretchable high-temperature resistant rubber band, there is very strong plasticity, with a variety of pipes of adaptation
The sealed performance of closure reinforcement of road concave surface, during rubber seal tape extruding plugged zone, the upper apex of fold of bellows is then
Have due to the extruding of rubber seal tape and be stored on a small quantity, but this has no effect on the plugging effect of plugged zone, because the pleat of bellows
Wrinkle portion is less to be leaked, and is leaked in time, and the plugging material of storage can also play good plugging effect.
(3) bellows plugged zone is fastened
S6. it is the sealing effectiveness of reinforcing plugged zone, rubber confining zone locks cranse 4 with stainless steel respectively after installing in both sides
Carry out after locking processing, expansion joint can be plugged crack and no longer gas leakage, stainless steel locking cranse, which has, is used for periodically tune
The lock-screw of fastening, can protect and lock sealing state is always at this.
Due to stainless steel locking cranse (the two ends setting adjustment lugs, in the adjustment set around rubber confining zone
Lug installation locking screw, so as to adjust the elasticity that stainless steel locks cranse) it can carry out effectively closing rubber
Band sealing, due to being relatively large in diameter for bellows, stainless steel locking cranse can use segmentation structure, and lead between each structural sections
Cross adjustment they fit lock-screw to be attached, the structure design can avoid the locking cranse of major diameter that process is used for a long time
In occur local stress damage and cause global failure.And between the fold of the width bellows setting of stainless steel locking cranse
Width is mutually matched, can so reduce stainless steel locking cranse got loose because of displacement or fastening effect decrease.And
Settable carbon fiber powder on the inside of the closed band of rubber, in the case that leakage occurs in repairing complex structure, carbon fiber powder can selfreparing
The weakness of structure is leaked out, and is seen carbon fiber powder when the outside of repairing complex structure and has then been let out inside can be known
Leakage, furthermore, carbon fiber powder can also play the effect of leak stopping in weak link.Moreover, can also be fine by carbon by high current
Tie up the path of powder composition and heated, the progress of rubber confining zone is local melting, so as to play corresponding obturation effect.
Restorative procedure provided by the present invention is the experience that all types of expansion joints are repaired in the accumulation of my company for many years, be created that with
The technology of many different unique expansion joint special type closure reinforcement, in the past few years repairs the excellent of many all types of expansion joints,
The consistent praise for obtaining user.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (4)
1. expansion joint special type restorative procedure, it is characterised in that it comprises the following steps：
(1) surface treatment of swelling red sandstone
S1. the oil removal of damaged bellows surface：Tentatively cleaned, then cleaned with environmentally friendly greasy dirt using environment-friendlywater-based water-based cleaning agent
Agent 755, spraying cleaning is cleared only；
S2. the rust deposite of damaged bellows surface is removed：The rust deposite of gas piping is directly brushed in pipe from happy safe rust conversion agent
Road outer surface, is converted into the fine and close priming coat of black by bottom rust deposite layer, after solidification there is antirust, corrosion resistant to act on；
S3. swelling red sandstone breakage split it is larger in the case of, carry out adjust seam processing：Expansion joint is tensed using instrument and received
Untill contracting, the crack diminution even joint close for making bellows, it is easy to block operation；
(2) the damaged closure processing of swelling red sandstone
S4. at the cracking failure of bellows, the stifled real all gaps of tight, envelope of plugging material are utilized after removing surface；
S5. after plugged zone solidification, using high-temperature resistant pipeline rubber confining zone, one layer of closure reinforcement is added again to plugged zone；
(3) bellows plugged zone is fastened
S6. it is the sealing effectiveness of reinforcing plugged zone, rubber confining zone is carried out with stainless steel locking cranse respectively after installing in both sides
After locking processing, expansion joint can be plugged crack and no longer gas leakage.
2. the extraordinary restorative procedure of expansion joint according to claim 1, it is characterised in that in step S4, the plugging material
For happy Thailand 596.
3. the extraordinary restorative procedure of expansion joint according to claim 1, it is characterised in that in step S6, stainless steel locking strap
Circle, which has, to be used for periodically tightening solid lock-screw.
4. the extraordinary restorative procedure of expansion joint according to claim 1, it is characterised in that in step S1, environment protection water-based cleaning
Agent is happy Thailand 82253.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610375847.7A CN105965204B (en) | 2016-05-31 | 2016-05-31 | Expansion joint special type restorative procedure |
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| CN201610375847.7A CN105965204B (en) | 2016-05-31 | 2016-05-31 | Expansion joint special type restorative procedure |
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| CN105965204A CN105965204A (en) | 2016-09-28 |
| CN105965204B true CN105965204B (en) | 2017-11-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106628718B (en) * | 2017-02-09 | 2018-11-20 | 润泰救援装备科技河北有限公司 | Freeze leak stoppage tool and technique |
| CN106895226A (en) * | 2017-03-03 | 2017-06-27 | 新兴能源装备股份有限公司 | A kind of rubber tube small opening fast repairing method |
| CN113829002B (en) * | 2021-10-20 | 2023-01-13 | 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 |
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| GB1417987A (en) * | 1972-05-30 | 1975-12-17 | Premaberg Great Britain Ltd | Device for sealing leaks in pipelines |
| CN201090898Y (en) * | 2007-06-16 | 2008-07-23 | 赵衍芝 | Piping leakage complementing component |
| CN101469801A (en) * | 2007-12-25 | 2009-07-01 | 上海宝钢综合开发公司 | On-line repair method for bellows |
| CN201407457Y (en) * | 2009-05-12 | 2010-02-17 | 连文献 | Multifunctional pipeline plugging and repairing device |
| CN102384337A (en) * | 2011-06-20 | 2012-03-21 | 永升建设集团有限公司 | Rapid plugging method for fiberglass pipeline with water and pressure |
| CN102728992A (en) * | 2012-07-12 | 2012-10-17 | 莱芜钢铁集团有限公司 | Repairing method for trunnion of converter |
| CN104251363A (en) * | 2013-06-26 | 2014-12-31 | 上海梅山钢铁股份有限公司 | Gas pipeline bellows plugging method |
| CN104832746A (en) * | 2015-05-27 | 2015-08-12 | 唐山三友化工股份有限公司 | Flange type large-caliber PE pipeline under-pressure restoration structure and restoration method thereof |
| CN105276331A (en) * | 2014-06-04 | 2016-01-27 | 李雪梅 | Magnetron repairing method |
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2016
- 2016-05-31 CN CN201610375847.7A patent/CN105965204B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1417987A (en) * | 1972-05-30 | 1975-12-17 | Premaberg Great Britain Ltd | Device for sealing leaks in pipelines |
| CN201090898Y (en) * | 2007-06-16 | 2008-07-23 | 赵衍芝 | Piping leakage complementing component |
| CN101469801A (en) * | 2007-12-25 | 2009-07-01 | 上海宝钢综合开发公司 | On-line repair method for bellows |
| CN201407457Y (en) * | 2009-05-12 | 2010-02-17 | 连文献 | Multifunctional pipeline plugging and repairing device |
| CN102384337A (en) * | 2011-06-20 | 2012-03-21 | 永升建设集团有限公司 | Rapid plugging method for fiberglass pipeline with water and pressure |
| CN102728992A (en) * | 2012-07-12 | 2012-10-17 | 莱芜钢铁集团有限公司 | Repairing method for trunnion of converter |
| CN104251363A (en) * | 2013-06-26 | 2014-12-31 | 上海梅山钢铁股份有限公司 | Gas pipeline bellows plugging method |
| CN105276331A (en) * | 2014-06-04 | 2016-01-27 | 李雪梅 | Magnetron repairing method |
| CN104832746A (en) * | 2015-05-27 | 2015-08-12 | 唐山三友化工股份有限公司 | Flange type large-caliber PE pipeline under-pressure restoration structure and restoration method thereof |
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| CN105965204A (en) | 2016-09-28 |
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Address after: Room 102, building 1, 368 Chunhe Road, Baoshan District, Shanghai, 200941 Patentee after: Shanghai Yiping Intelligent Technology Co.,Ltd. Address before: 201901 building 33, No. 318, Youyi Road, Baoshan District, Shanghai Patentee before: SHANGHAI XIANGMAO INDUSTRIAL Co.,Ltd. |