CN105261985A - Transformer oil leakage online plugging assembly and sealing method thereof - Google Patents
Transformer oil leakage online plugging assembly and sealing method thereof Download PDFInfo
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- CN105261985A CN105261985A CN201510850100.8A CN201510850100A CN105261985A CN 105261985 A CN105261985 A CN 105261985A CN 201510850100 A CN201510850100 A CN 201510850100A CN 105261985 A CN105261985 A CN 105261985A
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- transformer
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- leakage
- fiber cloth
- seal closure
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Abstract
The present invention discloses a transformer oil leakage online blocking assembly, which comprises an isolating layer and a sealing cover, wherein the isolating layer covers a transformer oil leakage part, the sealing cover covers the isolating layer, a sealed air pressure cavity is formed between the sealing cover and the isolating layer, and a ventilation valve is arranged on the sealing cover. By adopting a method of covering and adhering the isolating layer on a leakage part of a transformer and applying a stress thereon, the pressure inside and outside the transformer can be balanced, thereby the purpose that the transformer oil does not leak in the blocking process is achieved, the problem that the transformer insulating oil leaks during the curing process of an adhesive when the adhesive is adopted for adhering and leaking stoppage is solved, the effective acting time of blocking is prolonged, the operation method is simple, the material is easily obtained, and the blocking is convenient to implement without cutting off power or discharging oil.
Description
Technical field
The present invention relates to sealing and plugging field, particularly the online blocking component of a kind of transformer leakage of oil and encapsulating method thereof.
Background technology
Transformer is the level of security of one of most important electric equipment in electric power system, the direct influential system of its running status.Leakage in Transformer oil phenomenon happens occasionally, and serious seepage not only reduces useful life, affects it and normally runs, and may cause irremediable malicious influences to the safe and stable operation of electrical network.At present, shutoff for transformer insulated oil seepage adopts bonding agent glue and mend blocking method usually, but this method has gummosis often smearing bonding agent, operation inconvenience, and because inside transformer oil storage exists certain oil pressure, in bonding agent solidification process, have insulating oil leakage, cause plugging effect difference even leak stopping operation failure.
Therefore need a kind of novel blocking method, solve the problem of transformer insulated oil seepage in bonding agent solidification process when adopting bonding agent glue and mend blocking method.
Summary of the invention
In view of this, the object of the present invention is to provide the online blocking component of a kind of transformer leakage of oil and encapsulating method thereof, by executing stressed method again after Leakage in Transformer place covers bonding separator, with the pressure inside and outside balancing transformer, thus reach the non-leakage object of transformer oil in Process of Leaking Stoppage, to solve when adopting bonding agent glue and mend blocking method the problem of transformer insulated oil seepage in bonding agent solidification process, improve shutoff effective acting time.
The online blocking component of transformer leakage of oil of the present invention, comprises and covers the separator that transformer leakage of oil portion is arranged and the seal closure covered on separator, formed and seal atmospheric pressure cavity, described seal closure is provided with gas valve between described seal closure and separator;
Further, described separator comprises the inner layer glass fiber cloth and glass outer fiber cloth that cover the setting of transformer leakage of oil portion, the inner layer glass fiber cloth surface-coated displacement of reservoir oil glue corresponding with transformer leakage of oil portion, described inner layer glass fiber cloth and glass outer fiber cloth are adhesively fixed;
Further, described seal closure is bonded and fixed to the transformer surface around leakage of oil portion;
Further, described inner layer glass fiber cloth surface area is less than the setting of glass outer fiber cloth surface area;
Further, described glass fabric is the one in high-alkali glass-fiber-fabric, medium-alkali glass fiber cloth, alkali-free glass fiber cloth;
Further, described displacement of reservoir oil glue is one or more mixture of microbial oil displacement glue, surfactant flooding glue, polymer flooding factice;
Further, described seal closure cross section is U-shaped structure, and the material of described seal closure is iron.
The present invention also provides a kind of transformer leakage of oil work seal method, comprises the following steps:
After Leakage in Transformer place covers bonding separator, apply the pressure identical with Leakage in Transformer place pressure again, layer to be isolated cancels pressure after being anchored on Leakage in Transformer place completely;
Further, cover that the brushing displacement of reservoir oil of transformer leakage of oil portion is gluing connects separator, then the mode of separator is established to be adhered to the transformer surface around leakage of oil portion by adhesive with cover seal closure, in seal closure, apply the pressure identical with Leakage in Transformer place, after layer to be isolated is completely fastening, cancel the pressure in seal closure;
Further, described adhesive is crylic acid resin adhesive.
Beneficial effect of the present invention: the online blocking component of transformer leakage of oil of the present invention and encapsulating method thereof, by executing stressed method again after Leakage in Transformer place covers bonding separator, with the pressure inside and outside balancing transformer, thus reach the non-leakage object of transformer oil in Process of Leaking Stoppage, solve the problem of transformer insulated oil seepage in bonding agent solidification process when adopting bonding agent glue and mend blocking method, improve shutoff effective acting time, method of operation is simple, material is easy to get, without the need to power-off, without the need to draining the oil, be convenient to implement.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is plugging structure schematic perspective view of the present invention;
Fig. 2 is this plugging structure schematic surface;
Fig. 3 is the process chart of sealing method.
Embodiment
Fig. 1 is plugging structure schematic perspective view of the present invention; Fig. 2 is this plugging structure schematic surface; Fig. 3 be the process chart of sealing method as shown in the figure: the online blocking component of transformer leakage of oil of the present embodiment, comprise and cover the separator that transformer 1 leakage of oil portion is arranged and the seal closure 6 covered on separator, formed between described seal closure 6 and separator and seal atmospheric pressure cavity, described seal closure 6 is provided with gas valve 5; By executing stressed method again after transformer 1 leakage covers bonding separator, with the pressure inside and outside balancing transformer 1, thus reach the object that in Process of Leaking Stoppage, transformer 1 oil is non-leakage, to solve when adopting bonding agent glue and mend blocking method the problem of transformer 1 insulating oil leakage in bonding agent solidification process, improve shutoff effective acting time.
In the present embodiment, described separator comprises the inner layer glass fiber cloth 8 and glass outer fiber cloth 4 that cover the setting of transformer 1 leakage of oil portion, the inner layer glass fiber cloth 8 surface-coated displacement of reservoir oil glue 7 corresponding with transformer 1 leakage of oil portion, described inner layer glass fiber cloth 8 and glass outer fiber cloth 4 are adhesively fixed; Utilize the displacement of reservoir oil characteristic of displacement of reservoir oil glue 7, avoid the oil stain of continuation seepage to the impact at shutoff interface, extend shutoff effective acting time, utilize and add foundary weight cover to the transformer 1 leakage applying pressure covering pressure displacement of reservoir oil glue 3 and displacement of reservoir oil glue 7, thus the pressure inside and outside balancing transformer 1, prevent the insulating oil continuing seepage to pollute bonding interface, for the complete solidification of displacement of reservoir oil glue 3 has won the time, significantly improve plugging effect.
In the present embodiment, described seal closure 6 is bonded and fixed to transformer 1 surface around leakage of oil portion; Method of operation is simple, without the need to power-off, without the need to draining the oil, is convenient to implement.
In the present embodiment, described inner layer glass fiber cloth 8 surface area is less than glass outer fiber cloth 4 surface area and arranges; The glass-fiber-fabric of described painting displacement of reservoir oil glue 7 is less than the glass-fiber-fabric of displacement of reservoir oil glue 3, is convenient to plugging operations.
In the present embodiment, described glass fabric is the one in high-alkali glass-fiber-fabric, medium-alkali glass fiber cloth, alkali-free glass fiber cloth, and material is easy to get.
In the present embodiment, described displacement of reservoir oil glue 7 is one or more mixture of microbial oil displacement glue 7, surfactant flooding glue 7, polymer flooding factice 7, and material is easy to get.
In the present embodiment, described seal closure 6 cross section is U-shaped structure, and the material of described seal closure 6 is iron, and sealing is strong.
The present invention also provides a kind of transformer 1 leakage of oil work seal method, comprises the following steps:
After transformer 1 leakage covers bonding separator, apply the pressure identical with transformer 1 leakage pressure again, layer to be isolated cancels pressure after being anchored on transformer 1 leakage completely; By executing stressed method again after transformer 1 leakage covers bonding separator, with the pressure inside and outside balancing transformer 1, thus reach the object that in Process of Leaking Stoppage, transformer 1 oil is non-leakage, to solve when adopting bonding agent glue and mend blocking method the problem of transformer 1 insulating oil leakage in bonding agent solidification process, improve shutoff effective acting time, method of operation is simple, material is easy to get, without the need to power-off, without the need to draining the oil, be convenient to implement.
In the present embodiment, cover the bonding separator of transformer 1 leakage of oil portion brushing displacement of reservoir oil glue 7, then the mode of separator is established to be adhered to transformer 1 surface around leakage of oil portion by displacement of reservoir oil glue 3 with cover seal closure 6, in seal closure 6, apply the pressure identical with transformer 1 leakage, after layer to be isolated is completely fastening, cancel the pressure in seal closure 6; Described displacement of reservoir oil glue 3 is crylic acid resin displacement of reservoir oil glue 3; First find seepage region accurately, clean up with the oil stain of gasoline by transformer 1 metal surface, smear with white chalk within the scope of this, hang on, observe point moistening at first and be breakthrough; With acetone, rust remover removing breakthrough around paint, rust staining and other impurity, make it to expose metal body, then with scraper or file surface-treated is more coarse; According to oil impregnate spot size, prepare one be greater than oil impregnate region add foundary weight cover, and directly over iron cover, leave American air nozzle (gas valve 5); The glass-fiber-fabric surface uniform one piece of size being greater than seepage region smears last layer displacement of reservoir oil glue 3, notes the generation avoiding bubble during gluing, keeps rubberised layer smooth; Cover with another block glass-fiber-fabric immediately again and be pressed on 3 layers, displacement of reservoir oil glue, and be coated with last layer displacement of reservoir oil glue 77 at the glass-fiber-fabric surface uniform covered.The glass-fiber-fabric size covered should be less than the glass-fiber-fabric being coated with displacement of reservoir oil glue 3; Immediately by scribbling the glass-fiber-fabric of displacement of reservoir oil glue 3 and displacement of reservoir oil glue 7, cover the breakthrough being pressed onto and cleaning out; Install directly over seepage region and add foundary weight cover, be bonded at transformer 1 surface with displacement of reservoir oil glue 3, and clean out displacement of reservoir oil glue 3 residual around iron cover; Pressurize by adding American air nozzle on foundary weight cover with the barometric automobile-used bucket of inflating of band, pressure and the transformer 1 leakage pressure of applying are consistent, to be tightened complete after cancel pressure.
What finally illustrate is, above embodiment is only in order to illustrate technical 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 technical 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 (10)
1. the online blocking component of transformer leakage of oil, it is characterized in that: comprise and cover the separator that transformer leakage of oil portion is arranged and the seal closure covered on separator, formed between described seal closure and separator and seal atmospheric pressure cavity, described seal closure is provided with gas valve.
2. the online blocking component of transformer leakage of oil according to claim 1, it is characterized in that: described separator comprises the inner layer glass fiber cloth and glass outer fiber cloth that cover the setting of transformer leakage of oil portion, the inner layer glass fiber cloth surface-coated displacement of reservoir oil glue corresponding with transformer leakage of oil portion, described inner layer glass fiber cloth and glass outer fiber cloth are adhesively fixed.
3. the online blocking component of transformer leakage of oil according to claim 1, is characterized in that: described seal closure is bonded and fixed to the transformer surface around leakage of oil portion.
4. the online blocking component of transformer leakage of oil according to claim 2, is characterized in that: described inner layer glass fiber cloth surface area is less than glass outer fiber cloth surface area and arranges.
5. the online blocking component of transformer leakage of oil according to claim 2, is characterized in that: described glass fabric is the one in high-alkali glass-fiber-fabric, medium-alkali glass fiber cloth, alkali-free glass fiber cloth.
6. the online blocking component of transformer leakage of oil according to claim 2, is characterized in that: described displacement of reservoir oil glue is one or more mixture of microbial oil displacement glue, surfactant flooding glue, polymer flooding factice.
7. the online blocking component of transformer leakage of oil according to claim 3, is characterized in that: described seal closure cross section is U-shaped structure, the material of described seal closure is iron.
8. a transformer leakage of oil work seal method according to claim 1, is characterized in that: comprise the following steps:
After Leakage in Transformer place covers bonding separator, apply the pressure identical with Leakage in Transformer place pressure again, layer to be isolated cancels pressure after being anchored on Leakage in Transformer place completely.
9. transformer leakage of oil work seal method according to claim 8, is characterized in that: comprise the following steps:
Cover that the brushing displacement of reservoir oil of transformer leakage of oil portion is gluing connects separator, then the mode of separator is established to be adhered to the transformer surface around leakage of oil portion by adhesive with cover seal closure, in seal closure, apply the pressure identical with Leakage in Transformer place, after layer to be isolated is completely fastening, cancel the pressure in seal closure.
10. transformer leakage of oil work seal method according to claim 9, is characterized in that: described adhesive is crylic acid resin adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850100.8A CN105261985B (en) | 2015-11-27 | 2015-11-27 | The online blocking component of transformer oil leak and its encapsulating method |
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| CN201510850100.8A CN105261985B (en) | 2015-11-27 | 2015-11-27 | The online blocking component of transformer oil leak and its encapsulating method |
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| CN105261985A true CN105261985A (en) | 2016-01-20 |
| CN105261985B CN105261985B (en) | 2017-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300101A (en) * | 2016-08-31 | 2017-01-04 | 合肥航太电物理技术有限公司 | A kind of online rapid plugging method for fiberglass of oil-filled transformer |
| CN112927930A (en) * | 2021-03-26 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Transformer oil leakage plugging device and sealing method |
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| CN200996527Y (en) * | 2006-12-27 | 2007-12-26 | 中芯国际集成电路制造(上海)有限公司 | Pipeline band-pressure leaking stoppage |
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| WO2010112067A1 (en) * | 2009-04-01 | 2010-10-07 | Siemens Transformers Austria Gmbh & Co Kg | Device for disassembling a fitting |
| CN204312933U (en) * | 2014-10-30 | 2015-05-06 | 北京市燃气集团有限责任公司 | A kind of ball lock type repairing plugging plate |
| CN104821253A (en) * | 2015-05-20 | 2015-08-05 | 国家电网公司 | Online plugging device for power SF6 high-voltage circuit breaker with air-tight chamber and method |
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2015
- 2015-11-27 CN CN201510850100.8A patent/CN105261985B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1378051A (en) * | 2002-01-29 | 2002-11-06 | 陈悦 | Live leaking-stopping technology |
| CN200996527Y (en) * | 2006-12-27 | 2007-12-26 | 中芯国际集成电路制造(上海)有限公司 | Pipeline band-pressure leaking stoppage |
| CN101469801A (en) * | 2007-12-25 | 2009-07-01 | 上海宝钢综合开发公司 | On-line repair method for bellows |
| CN101498394A (en) * | 2009-03-17 | 2009-08-05 | 杨立东 | Oil gas pipeline rapid pressured plugging apparatus and plugging method |
| WO2010112067A1 (en) * | 2009-04-01 | 2010-10-07 | Siemens Transformers Austria Gmbh & Co Kg | Device for disassembling a fitting |
| CN204312933U (en) * | 2014-10-30 | 2015-05-06 | 北京市燃气集团有限责任公司 | A kind of ball lock type repairing plugging plate |
| CN104821253A (en) * | 2015-05-20 | 2015-08-05 | 国家电网公司 | Online plugging device for power SF6 high-voltage circuit breaker with air-tight chamber and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300101A (en) * | 2016-08-31 | 2017-01-04 | 合肥航太电物理技术有限公司 | A kind of online rapid plugging method for fiberglass of oil-filled transformer |
| CN112927930A (en) * | 2021-03-26 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Transformer oil leakage plugging device and sealing method |
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| CN105261985B (en) | 2017-08-25 |
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