CN105351672A - On-line sealing assembly of oil-filled electrical equipment and sealing method thereof - Google Patents
On-line sealing assembly of oil-filled electrical equipment and sealing method thereof Download PDFInfo
- Publication number
- CN105351672A CN105351672A CN201510850138.5A CN201510850138A CN105351672A CN 105351672 A CN105351672 A CN 105351672A CN 201510850138 A CN201510850138 A CN 201510850138A CN 105351672 A CN105351672 A CN 105351672A
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- oil
- electric equipment
- flexible
- filled electric
- equipment work
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Classifications
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- 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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
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- 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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/1683—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of a patch which is fixed on the wall of the pipe by means of an adhesive, a weld or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses an on-line sealing assembly of oil-filled electrical equipment. A flexible leakage-stopping inner layer, a flexible oil-absorbing middle layer and an elastic fastening and sealing outer layer are arranged in sequence from inside to outside of a leakage part of the oil-filled electrical equipment in a manner of covering the leakage part, wherein the flexible leakage-stopping inner layer, the flexible oil-absorbing middle layer and the elastic fastening and sealing outer layer are adhered and fixed layer by layer from inside to outside in a manner of gradually increasing the coverage area. Through the on-line sealing assembly of the oil-filled electrical equipment, plasticine is used as leakage-stopping adhesive, so that the purpose of stopping leakage temporarily is achieved; the oil adsorption property of a polymer film is adopted; the influence of continuously-leaked oil strains on the sealed interface is avoided, so that the time for completely curing the adhesive is gained; the sealing effect is improved; the effective acting time after repairing the oil-filled electrical equipment is prolonged; through simple tools and operation method, the power failure is not required; the oil drainage is not required; the on-line sealing assembly is convenient to implement, so that the safe and economical operation of a power grid system is ensured.
Description
Technical field
The present invention relates to a kind of leak source sealing of oil-filled electric equipment, particularly a kind of oil-filled electric equipment work seal assembly and encapsulating method thereof.
Background technique
Oil-filled electric equipment is substantial amounts in electrical network, and its safe and stable operation is particularly important to electrical production.In various oil-filled electric equipment operation troubles, insulating oil leakage is most common failure.The light then appearance of insulating oil leakage is polluted, and affects attractive in appearance, heavy then waste lot of materials, causes the serious accidents such as flashover, tripping operation, power failure, affects the safe operation of electrical network.Therefore, to the important step that the quick work seal of oil-filled electric equipment is safety in production and carries out production strictly in line with rules and regulations.At present, sealing for operating oil-filled electric equipment leakage of oil generally adopts glutinous stifled handling, but, because when oil-filled electric equipment works, the oil storage of inside exists certain oil pressure, before complete seal leak position, the continuous oil impregnate of meeting, causes the oil stain near seepage place cannot thoroughly clean out before bonding, and then affects adhesive bond power, as long as because seal interface exists micro-oil stain will have a strong impact on adhesive bond power, cause sealing short for effective acting time.
Therefore need a kind of novel encapsulating method, to solve oil-filled electric equipment when there is oil seepage phenomena, breakthrough and neighbouring oil stain thoroughly cannot be cleaned out and affect the problem of blockage binding interfacial seal effect.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of oil-filled electric equipment work seal assembly and encapsulating method thereof, can solve oil-filled electric equipment when there is oil seepage phenomena, breakthrough and neighbouring oil stain thoroughly cannot be cleaned out and affect the problem of blockage binding interfacial seal effect.
Oil-filled electric equipment work seal assembly of the present invention, be disposed with flexible leak stoppage internal layer and flexible oil suction middle level and elastic fastening sealable outer in the seepage portion of oil-filled electric equipment from inside to outside in the mode covering seepage portion, the mode increased successively with area coverage from inside to outside between described flexible leak stoppage internal layer, flexible oil suction middle level, elastic fastening sealable outer is successively adhesively fixed;
Further, described flexible leak stoppage internal layer is plasticine;
Further, described flexible oil suction middle level is thin polymer film;
Further, the mode that described elastic fastening sealable outer comprises covering means of press seals is arranged at the elastic polymer pad on thin polymer film and compresses the fastening piece of elastic polymer pad;
Further, described thin polymer film, elastic polymer pad are all bonded and fixed to the oil-filled electric equipment outer wall in seepage portion;
Further, described fastening piece applies impacting force around elastic polymer pad edge;
Further, described elastic polymer pad cross section is U-shaped structure.
The present invention also discloses a kind of oil-filled electric equipment work seal method, comprises the following steps:
A. fill plasticine in seepage portion after cleaning being carried out to the seepage portion of oil-filled electric equipment and form flexible leak stoppage internal layer;
B. the seepage portion surrounding coating adhesive bonding polymer film beyond flexible leak stoppage internal layer forms flexible oil suction middle level;
C. flexible oil suction middle level surrounding coating adhesive adhesive rubber pad after the adhesive is cured apply pressure to rubber sheet gasket and make rubber sheet gasket be fixed on oil-filled electric equipment outer wall;
Further, paint, the rust staining around acetone, Rust preventative removing seepage portion is adopted.
Beneficial effect of the present invention: oil-filled electric equipment work seal assembly of the present invention and encapsulating method thereof, make use of the oil absorption of thin polymer film, avoid the oil stain of continuation seepage to the impact of seal interface, thus won the time for the complete solidification of adhesive, enhance sealing effect, extend the effective acting time after oil-filled electric equipment reparation; With plasticine originally for sealing leakage glue, play the object of temporary transient leak-stopping; Polymer thin membrane area should be greater than breakthrough hole, its objective is and will continue in the whole inspiration thin-film body of oil stain of seepage after breakthrough cleaning, prevent the oil stain of breakthrough from spreading to surrounding, thus avoid the oil impregnate pollution effect combination force because of bonding part and sealing effect.The present invention, by simple instrument and operating method, without the need to power-off, without the need to draining the oil, being convenient to implement, thus being ensure that the safety and economic operation of network system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the plane distribution schematic diagram of the black box of Fig. 1;
Fig. 3 is the flow chart of encapsulating method.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is the plane distribution schematic diagram of the black box of Fig. 1, Fig. 3 is the flow chart of encapsulating method, oil-filled electric equipment work seal assembly of the present invention, be disposed with flexible leak stoppage internal layer 3 and flexible oil suction middle level 4 and elastic fastening sealable outer in the seepage portion 2 of oil-filled electric equipment 1 from inside to outside in the mode covering seepage portion 2, the mode increased successively with area coverage from inside to outside between described flexible leak stoppage internal layer 3, flexible oil suction middle level 4, elastic fastening sealable outer is successively adhesively fixed, first carry out just leak stopping at leak source by flexible leak stoppage internal layer 3, then by the bonding flexible oil suction middle level 4 of adhesive, bonding elastic fastening sealable outer again after the adhesive in flexible oil suction middle level 4 solidifies completely, flexible leak stoppage internal layer 3 is flexible material, flexible material is utilized to carry out first leak stopping to dew point, suppress to continue seepage, to play temporary transient leak-stopping object, because when oil-filled electric equipment 1 works, the oil storage of inside exists certain oil pressure, when before 2, complete seal leak portion, the continuous oil impregnate oil-filled electric equipment 1 of meeting works there is certain oil pressure in the oil storage of inside, the continuous oil impregnate of meeting before 2, complete seal leak portion, oil impregnate is continued after causing first leak stopping, therefore, utilize flexible oil suction middle level 4 for having the flexible material of oil absorption, to continue in the whole inspiration thin-film body of oil stain of seepage after flexible leak stoppage internal layer 3 leak stopping, prevent the oil stain of breakthrough from spreading to surrounding, thus won the time for the complete solidification of adhesive, enhance sealing effect, avoid the oil impregnate pollution effect combination force because of bonding part and sealing effect, elastic fastening sealable outer is to flexible leak stoppage internal layer 3, flexible oil suction middle level 4 seals completely and applies compaction forces plays the effect of strengthening fixing.Between flexible leak stoppage internal layer 3, flexible oil suction middle level 4, elastic fastening sealable outer to the covering sealing area of leak source be: flexible leak stoppage internal layer 3< flexible oil suction middle level 4< elastic fastening sealable outer; Reach with this and successively seal, successively increase the relation of sealing effect, utilize flexible leak stoppage internal layer 3, structure that flexible oil suction middle level 4 can adapt to leak source position and with set outer wall and fit tightly, and there is certain deformation, strong adaptability, good sealing effect.
In the present embodiment, described flexible leak stoppage internal layer 3 is plasticine; Sealing leakage glue is plasticine, plays the object of temporary transient leak-stopping, and plasticity is good, better can adapt to the structure in leak source portion, and plasticine is industrial plasticine, also can be oily clay class plasticine.
In the present embodiment, described flexible oil suction middle level 4 is thin polymer film; Make use of the oil absorption of thin polymer film, avoid and continue the oil stain of seepage to the impact of seal interface, thus won the time for the complete solidification of adhesive, enhance sealing effect, extend oil-filled electric equipment 1 repair after effective acting time; Polymer thin membrane area should about be greater than breakthrough hole, its objective is and will continue in the whole inspiration thin-film body of oil stain of seepage after breakthrough cleaning, prevent the oil stain of breakthrough from spreading to surrounding, thus avoid the oil impregnate pollution effect combination force because of bonding part and sealing effect; Thin polymer film is polyester film, also can be other macromolecule membranes.
In the present embodiment, the mode that described elastic fastening sealable outer comprises covering means of press seals is arranged at the elastic polymer pad 5 on thin polymer film and compresses the fastening piece 6 of elastic polymer pad 5; Sealed completely by elastic polymer pad 5 pairs of leak sources (comprising plasticine and high molecular polymer film), fastening piece 6 applies certain pressure to elastic polymer pad 5 makes elastic polymer pad 5 better be fixed on oil-filled electric equipment 1 outer wall; Elastic polymer pad 5 can be, rubber gasket, silicone rubber pad, ethylene-propylene-diene monomer glue gasket contour point of subgasket.
In the present embodiment, described thin polymer film, elastic polymer pad 5 are all bonded and fixed to oil-filled electric equipment 1 outer wall in seepage portion 2; Adopt adhesive to carry out bonding, adhesive is crylic acid resin adhesive, also can be other macromolecule adhesives.
In the present embodiment, described fastening piece 6 applies impacting force around elastic polymer pad 5 edge; Carry out fastening to elastic polymer pad 5 edge, if elastic polymer pad 5 is rectangle, then carry out fastening to four angles of pad, fastening piece 6 can be arranged on oil-filled electric equipment 1 outer wall, adopt the mode that contact compresses, the structure of this fastening piece 6 is prior art, as long as can realize can realizing object of the present invention to fastening piece 6 structure of the clamping action of elastic polymer pad 5.
In the present embodiment, described elastic polymer pad 5 cross section is U-shaped structure, and this sealing structure is strong.
The present invention also discloses a kind of oil-filled electric equipment 1 work seal method, comprises the following steps:
A. fill plasticine after cleaning being carried out to the seepage portion 2 of oil-filled electric equipment 1 in seepage portion 2 and form flexible leak stoppage internal layer 3;
B. the seepage portion 2 surrounding coating adhesive bonding polymer film beyond flexible leak stoppage internal layer 3 forms flexible oil suction middle level 4;
C. flexible oil suction middle level 4 surrounding coating adhesive adhesive rubber pad after the adhesive is cured apply pressure to rubber sheet gasket and make rubber sheet gasket be fixed on oil-filled electric equipment 1 outer wall; In the present embodiment, adopt paint, the rust staining around acetone, Rust preventative removing seepage portion 2.
Concrete steps are: step 1: with the greasy dirt in gasoline cleaning oil-filled electric equipment 1 leakage of oil region, and dry cleaning surface with clean cloth, then covered by this region blank sheet of paper, observe point moistening at first and be breakthrough;
Step 2: with the impurity such as paint, rust staining around acetone, Rust preventative removing breakthrough, make it to expose clean metal body;
Step 3: use plasticine to block the breakthrough cleaned out immediately, suppress to continue seepage, to play temporary transient leak-stopping object;
Step 4: be coated with last layer adhesive in breakthrough surrounding, then blocks breakthrough with the thin polymer film that a fritter is greater than leakage area immediately;
Step 5: thing film to be polymerized cleans out the adhesive of thin polymer film surrounding remnants after being fixed by adhesive completely.The oil stain of now breakthrough continuation seepage is all sucked in thin polymer film, avoids the impact that oil stain operates next step;
Step 6: be coated with last layer adhesive in the thin polymer film surrounding cleaned out, then thin polymer film is covered with the rubber sheet gasket that an area is greater than polymer thin membrane area immediately, and apply certain pressure by mounting fixture method outward at rubber sheet gasket, rubber sheet gasket is better fixed on oil-filled electric equipment 1 outer wall.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. an oil-filled electric equipment work seal assembly, it is characterized in that: be disposed with flexible leak stoppage internal layer and flexible oil suction middle level and elastic fastening sealable outer in the seepage portion of oil-filled electric equipment from inside to outside in the mode covering seepage portion, the mode increased successively with area coverage from inside to outside between described flexible leak stoppage internal layer, flexible oil suction middle level, elastic fastening sealable outer is successively adhesively fixed.
2. oil-filled electric equipment work seal assembly according to claim 1, is characterized in that: described flexible leak stoppage internal layer is plasticine.
3. oil-filled electric equipment work seal assembly according to claim 2, is characterized in that: described flexible oil suction middle level is thin polymer film.
4. oil-filled electric equipment work seal assembly according to claim 3, is characterized in that: the mode that described elastic fastening sealable outer comprises covering means of press seals is arranged at the elastic polymer pad on thin polymer film and compresses the fastening piece of elastic polymer pad.
5. oil-filled electric equipment work seal assembly according to claim 4, is characterized in that: described thin polymer film, elastic polymer pad are all bonded and fixed to the oil-filled electric equipment outer wall in seepage portion.
6. oil-filled electric equipment work seal assembly according to claim 5, is characterized in that: described fastening piece applies impacting force around elastic polymer pad edge.
7. oil-filled electric equipment work seal assembly according to claim 6, is characterized in that: described elastic polymer pad cross section is U-shaped structure.
8. an oil-filled electric equipment work seal method described in claim 1, is characterized in that: comprise the following steps:
A. fill plasticine in seepage portion after cleaning being carried out to the seepage portion of oil-filled electric equipment and form flexible leak stoppage internal layer;
B. the seepage portion surrounding coating adhesive bonding polymer film beyond flexible leak stoppage internal layer forms flexible oil suction middle level;
C. flexible oil suction middle level surrounding coating adhesive adhesive rubber pad after the adhesive is cured apply pressure to rubber sheet gasket rubber sheet gasket is fixed on oil-filled electric equipment outer wall.
9. oil-filled electric equipment work seal method according to claim 8, is characterized in that: adopt paint, the rust staining around acetone, Rust preventative removing seepage portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850138.5A CN105351672B (en) | 2015-11-27 | 2015-11-27 | Oil-filled electric equipment work seal component and its encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850138.5A CN105351672B (en) | 2015-11-27 | 2015-11-27 | Oil-filled electric equipment work seal component and its encapsulating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351672A true CN105351672A (en) | 2016-02-24 |
| CN105351672B CN105351672B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510850138.5A Active CN105351672B (en) | 2015-11-27 | 2015-11-27 | Oil-filled electric equipment work seal component and its encapsulating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233931A (en) * | 2021-11-16 | 2022-03-25 | 国网甘肃省电力公司 | Energy consumption support and gas-insulated metal-enclosed switchgear system |
| CN114684500A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工股份有限公司 | Efficient sealing device and method for in-situ recovery of floating-roof tank wall-mounted oil products |
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| CN200997359Y (en) * | 2007-01-20 | 2007-12-26 | 林晓铭 | Online reverse osmose sealing leakage cap of electric-power air and oil filler |
| CN201475588U (en) * | 2009-07-07 | 2010-05-19 | 中国航空工业第六一八研究所 | Combined greasy blockage cap |
| CN202972370U (en) * | 2012-12-20 | 2013-06-05 | 天津卓达管道机械制造有限公司 | Device for plugging leaking holes of pipeline for leakage stoppage |
| CN203500774U (en) * | 2013-10-06 | 2014-03-26 | 孙健 | Oil and gas pipeline leaking stoppage and pressure discharging device |
| CN203585705U (en) * | 2013-12-17 | 2014-05-07 | 刘兴良 | Rapid repair device for pressure oil-gas pipeline |
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2015
- 2015-11-27 CN CN201510850138.5A patent/CN105351672B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200997359Y (en) * | 2007-01-20 | 2007-12-26 | 林晓铭 | Online reverse osmose sealing leakage cap of electric-power air and oil filler |
| CN201475588U (en) * | 2009-07-07 | 2010-05-19 | 中国航空工业第六一八研究所 | Combined greasy blockage cap |
| CN202972370U (en) * | 2012-12-20 | 2013-06-05 | 天津卓达管道机械制造有限公司 | Device for plugging leaking holes of pipeline for leakage stoppage |
| CN203500774U (en) * | 2013-10-06 | 2014-03-26 | 孙健 | Oil and gas pipeline leaking stoppage and pressure discharging device |
| CN203585705U (en) * | 2013-12-17 | 2014-05-07 | 刘兴良 | Rapid repair device for pressure oil-gas pipeline |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114684500A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工股份有限公司 | Efficient sealing device and method for in-situ recovery of floating-roof tank wall-mounted oil products |
| CN114684500B (en) * | 2020-12-31 | 2024-10-01 | 中国石油化工股份有限公司 | Floating roof tank wall built-up oil product in-situ recovery efficient sealing device and method |
| CN114233931A (en) * | 2021-11-16 | 2022-03-25 | 国网甘肃省电力公司 | Energy consumption support and gas-insulated metal-enclosed switchgear system |
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| Publication number | Publication date |
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| CN105351672B (en) | 2017-11-17 |
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