CN104766701A - Main transformer body big flange back pressure plugging device and application method thereof - Google Patents
Main transformer body big flange back pressure plugging device and application method thereof Download PDFInfo
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- CN104766701A CN104766701A CN201510185446.0A CN201510185446A CN104766701A CN 104766701 A CN104766701 A CN 104766701A CN 201510185446 A CN201510185446 A CN 201510185446A CN 104766701 A CN104766701 A CN 104766701A
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- large flange
- frequency conversion
- sealing clamp
- main transformer
- valve
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Abstract
The invention relates to a main transformer body big flange back pressure plugging device. The main transformer body big flange back pressure plugging device comprises an upper big flange, a lower big flange, a sealing clamp, a frequency conversion glue pressing system and a control module, wherein the upper big flange and the lower big flange are arranged on a main transformer body, and the control module is connected with the frequency conversion glue pressing system. The automatic control frequency conversion glue pressing system is used for pressing sealing glue into a sealing cavity formed between a gap between the upper big flange and the lower big flange and the sealing clamp, the sealing cavity is full of the sealing glue, the leakage position is plugged through the sealing glue through back pressure, and after the sealing glue solidifies, the oil leakage problem of the big flanges of the main transformer body is solved thoroughly.
Description
Technical field
the present invention relates to main transformer leakage of oil process field, particularly a kind of main transformer body large flange back-pressure device for plugging and using method thereof.
Background technology
main transformer is in running, the transformer oil of its inside can cause sealing gasket to corrode and deterioration, and long-term exposing to the sun and rain, sealing gasket between upper and lower large flange is easily aging, these all can cause the seepage of main transformer variant internal transformer oil, when sealing gasket is without decrement, or deteriorated well damage, when cannot stop seepage by the fastening bolt tightened between upper and lower large flange, namely main transformer is needed to have a power failure, take out gloss oil, then to sling large flange on main transformer bell jar disjunctor with large-scale crane, just well seepage can be handled after changing sealing gasket, as run into the upper and lower large flange of transformer owing to manufacturing, the bad weld seam caused of mounting process, sand holes, and distortion etc., be difficult to process especially, even more to renew main transformer.
Summary of the invention
In view of this, the object of the invention is to propose a kind of main transformer body large flange back-pressure device for plugging and using method thereof, control frequency conversion moulding system is automatically used fluid sealant to be compressed into the sealed cavity formed between the gap of the upper and lower large flange of main transformer body and sealing clamp, and be full of, fluid sealant back-pressure is blocked leakage, after adhesive curing to be sealed, thoroughly handle the seepage of main transformer body large flange oil well.
Device of the present invention adopts following scheme to realize: a kind of main transformer body large flange back-pressure device for plugging, comprise main transformer body and coupled conservator, also comprise the control module being arranged at upper large flange on main transformer body and lower large flange, sealing clamp, frequency conversion moulding system and being connected with described frequency conversion moulding system; One first sealing gasket is provided with between described upper large flange and lower large flange, described upper large flange and lower large flange are fixed by several large flange fastening bolts, described upper large flange and the outer of lower large flange are arranged with a circle sealing clamp, the second sealing gasket is provided with, in order to form a sealed cavity between upper large flange, lower large flange and sealing clamp inside described sealing clamp; Described frequency conversion moulding system comprises with the frequency conversion glue pressing device of frequency-variable controller, fluid sealant, moulding pipe, pressure sensor and safety valve, the output of described frequency conversion glue pressing device is connected to one end of moulding pipe through a safety valve, the output of described frequency conversion glue pressing device is also connected with described pressure sensor, and described frequency conversion glue pressing device, pressure sensor are all electrically connected at described control module; Described sealing clamp is provided with one and enters glue valve and a vent valve, and the described glue valve that enters is connected with the other end of described moulding pipe.
Further, described sealing clamp comprises two half symmetrical rectangle parts, one of them half square part is provided with one and enters glue valve, another half rectangle part is provided with a vent valve, and two symmetrical half rectangle parts are fixed on the periphery of described upper large flange and lower large flange by sealing clamp fastening bolt.
Implementation method of the present invention adopts following scheme to realize: a kind of using method of main transformer body large flange back-pressure device for plugging as described above, comprises the following steps:
Step S1: measure the upper large flange on described main transformer body and lower large flange size, makes the sealing clamp of correspondingly-sized, arranges frequency reducing force value and terminal pressure value in the control module;
Step S2: put into the second sealing gasket by inside the sealing clamp made, and by sealing clamp fastening bolt, sealing clamp is fixed on the periphery of upper large flange and lower large flange, make to form a sealed cavity between large flange, lower large flange and sealing clamp;
Step S3: the one end output of described frequency conversion glue pressing device being connected to moulding pipe through a safety valve, and the other end of described moulding pipe is connected to into glue valve;
Step S4: open into glue valve and vent valve, now sealed cavity by open enter glue valve and vent valve communicates with the external world;
Step S5: open control module, open frequency conversion glue pressing device, described frequency conversion glue pressing device compresses into fluid sealant by moulding pipe in described sealed cavity;
Step S6: when described vent valve starts to emerge fluid sealant, close described vent valve, and continue to compress into fluid sealant;
Step S7: described control module judges the force value of frequency conversion moulding system now by the pressure sensor be connected with described frequency conversion glue pressing device output, when the force value that described pressure sensor transmits exceedes frequency reducing force value, enters step S8; When the force value overstep of end point force value that described pressure sensor transmits, enter step S9; When pressure exceedes safety valve settings, enter step S10;
Step S8: described control module controls described frequency conversion glue pressing device and reduces moulding frequency, and minimizing is exerted oneself, and slows down moulding, and returns step S7;
Step S9: close into glue valve, closes frequency conversion glue pressing device, closing control module, removes moulding pipe, moulding end-of-job;
Step S10: safety valve action pressure release, safeguard work safety, and return step S7.
Compared with prior art, the present invention uses control frequency conversion moulding system automatically fluid sealant to be compressed into the sealed cavity formed between the gap of the upper and lower large flange of main transformer body and sealing clamp, and be full of, fluid sealant back-pressure is blocked leakage, after adhesive curing to be sealed, thoroughly handle the seepage of main transformer body large flange oil well.
Accompanying drawing explanation
Fig. 1 is the upper and lower flange scheme of installation of main transformer of the present invention.
Fig. 2 installs sealing clamp schematic diagram between the upper and lower flange of main transformer of the present invention.
Fig. 3 is sealing clamp schematic diagram of the present invention.
Fig. 4 is sealing clamp of the present invention and the second sealing gasket schematic diagram inside it.
Fig. 5 is frequency conversion moulding system of the present invention and sealing clamp connection diagram.
Fig. 6 is Automatic Control Theory block diagram of the present invention.
[primary clustering symbol description]
in figure:1 is main transformer body, and 2 is conservator, and 3 is upper large flange, 4 is lower large flange, and 5 is sealing clamp, and 6 is large flange fastening bolt, 7 is the second sealing gasket, and 8 is frequency conversion glue pressing device, and 9 is moulding pipe, 10 is pressure sensor, 11 is safety valve, and 12 for entering glue valve, and 13 is vent valve, 14 is sealing clamp fastening bolt, and 15 is the first sealing gasket.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figures 1 to 6, the present embodiment provides a kind of main transformer body large flange back-pressure device for plugging, comprise main transformer body 1 and coupled conservator 2, also comprise the control module being arranged at upper large flange 3 on main transformer body 1 and lower large flange 4, sealing clamp 5, frequency conversion moulding system and being connected with described frequency conversion moulding system; One first sealing gasket 15 is provided with between described upper large flange 3 and lower large flange 4, described upper large flange 3 and lower large flange 4 are fixed by several large flange fastening bolts 6, described upper large flange 3 is arranged with a circle sealing clamp 5 with the outer of lower large flange 4, the second sealing gasket 7 is provided with, in order to form a sealed cavity between upper large flange 3, lower large flange 4 and sealing clamp 5 inside described sealing clamp 5; Described frequency conversion moulding system comprises with the frequency conversion glue pressing device 8 of frequency-variable controller, fluid sealant, moulding pipe 9, pressure sensor 10 and safety valve 11, the output of described frequency conversion glue pressing device 8 is connected to one end of moulding pipe 9 through a safety valve 11, the output of described frequency conversion glue pressing device 8 is also connected with described pressure sensor 10, and described frequency conversion glue pressing device 8 and pressure sensor 10 are all electrically connected at described control module; Described sealing clamp 5 is provided with one and enters glue valve 12 and a vent valve 13, and the described glue valve 12 that enters is connected with the other end of described moulding pipe 9.
In the present embodiment, described sealing clamp 5 comprises two half symmetrical rectangle parts, one of them half square part is provided with one and enters glue valve 12, another half rectangle part is provided with half symmetrical rectangle part of a vent valve 13, two and is fixed on described upper large flange 4 and the periphery of lower large flange 5 by sealing clamp fastening bolt 14.
The present embodiment additionally provides a kind of using method of main transformer body large flange back-pressure device for plugging as described above, comprises the following steps:
Step S1: measure the upper large flange 3 on described main transformer body 1 and lower large flange 4 size, make the sealing clamp 5 of correspondingly-sized, frequency reducing force value and terminal pressure value are set in the control module;
Step S2: put into the second sealing gasket 7 by inside the sealing clamp 5 made, and by sealing clamp fastening bolt 14, sealing clamp 5 is fixed on upper large flange 3 and the periphery of lower large flange 4, make to form a sealed cavity between large flange 3, lower large flange 4 and sealing clamp 5;
Step S3: the one end output of described frequency conversion glue pressing device 8 being connected to moulding pipe 9 through a safety valve 11, and the other end of described moulding pipe 9 is connected to into glue valve 12;
Step S4: open into glue valve 12 and vent valve 13, now sealed cavity by open enter glue valve 12 and vent valve 13 communicates with the external world;
Step S5: open control module, open frequency conversion glue pressing device 8, described frequency conversion glue pressing device 8 compresses into fluid sealant by moulding pipe 9 in described sealed cavity;
Step S6: when described vent valve 13 starts to emerge fluid sealant, close described vent valve 13, and continue to compress into fluid sealant;
Step S7: described control module judges the force value of frequency conversion moulding system now by the pressure sensor be connected with described frequency conversion glue pressing device output, when the force value that described pressure sensor transmits exceedes frequency reducing force value, enters step S8; When the force value overstep of end point force value that described pressure sensor transmits, enter step S9; When pressure exceedes safety valve settings, enter step S10;
Step S8: described control module controls described frequency conversion glue pressing device and reduces moulding frequency, and minimizing is exerted oneself, and slows down moulding, and returns step S7;
Step S9: close into glue valve, closes frequency conversion glue pressing device, closing control module, removes moulding pipe, moulding end-of-job;
Step S10: safety valve action pressure release, safeguard work safety, and return step S7.
In sum, the present invention uses control frequency conversion moulding system automatically fluid sealant to be compressed into the sealed cavity formed between the gap of the upper and lower large flange of main transformer body and sealing clamp, and be full of, fluid sealant back-pressure is blocked leakage, after adhesive curing to be sealed, thoroughly handle the seepage of main transformer body large flange oil well.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. a main transformer body large flange back-pressure device for plugging, comprise main transformer body and coupled conservator, it is characterized in that: also comprise the control module being arranged at upper large flange on main transformer body and lower large flange, sealing clamp, frequency conversion moulding system and being connected with described frequency conversion moulding system; One first sealing gasket is provided with between described upper large flange and lower large flange, described upper large flange and lower large flange are fixed by several large flange fastening bolts, described upper large flange and the outer of lower large flange are arranged with a circle sealing clamp, the second sealing gasket is provided with, in order to form a sealed cavity between upper large flange, lower large flange and sealing clamp inside described sealing clamp; Described frequency conversion moulding system comprises with the frequency conversion glue pressing device of frequency-variable controller, fluid sealant, moulding pipe, pressure sensor and safety valve, the output of described frequency conversion glue pressing device is connected to one end of moulding pipe through a safety valve, the output of described frequency conversion glue pressing device is also connected with described pressure sensor, and described frequency conversion glue pressing device, pressure sensor are all electrically connected at described control module; Described sealing clamp is provided with one and enters glue valve and a vent valve, and the described glue valve that enters is connected with the other end of described moulding pipe.
2. a kind of main transformer body large flange back-pressure device for plugging according to claim 1, it is characterized in that: described sealing clamp comprises two half symmetrical rectangle parts, one of them half square part is provided with one and enters glue valve, another half rectangle part is provided with a vent valve, and two symmetrical half rectangle parts are fixed on the periphery of described upper large flange and lower large flange by sealing clamp fastening bolt.
3. a using method for main transformer body large flange back-pressure device for plugging as claimed in claim 2, is characterized in that comprising the following steps:
Step S1: measure the upper large flange on described main transformer body and lower large flange size, makes the sealing clamp of correspondingly-sized, arranges frequency reducing force value and terminal pressure value in the control module;
Step S2: put into the second sealing gasket by inside the sealing clamp made, and by sealing clamp fastening bolt, sealing clamp is fixed on the periphery of upper large flange and lower large flange, make to form a sealed cavity between large flange, lower large flange and sealing clamp;
Step S3: the one end output of described frequency conversion glue pressing device being connected to moulding pipe through a safety valve, and the other end of described moulding pipe is connected to into glue valve;
Step S4: open into glue valve and vent valve, now sealed cavity by open enter glue valve and vent valve communicates with the external world;
Step S5: open control module, open frequency conversion glue pressing device, described frequency conversion glue pressing device compresses into fluid sealant by moulding pipe in described sealed cavity;
Step S6: when described vent valve starts to emerge fluid sealant, close described vent valve, and continue to compress into fluid sealant;
Step S7: described control module judges the force value of frequency conversion moulding system now by the pressure sensor be connected with described frequency conversion glue pressing device output, when the force value that described pressure sensor transmits exceedes frequency reducing force value, enters step S8; When the force value overstep of end point force value that described pressure sensor transmits, enter step S9; When pressure exceedes safety valve settings, enter step S10;
Step S8: described control module controls described frequency conversion glue pressing device and reduces moulding frequency, and minimizing is exerted oneself, and slows down moulding, and returns step S7;
Step S9: close into glue valve, closes frequency conversion glue pressing device, closing control module, removes moulding pipe, moulding end-of-job;
Step S10: safety valve action pressure release, safeguard work safety, and return step S7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185446.0A CN104766701B (en) | 2015-04-20 | 2015-04-20 | A kind of main transformer body large flange back-pressure device for plugging and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185446.0A CN104766701B (en) | 2015-04-20 | 2015-04-20 | A kind of main transformer body large flange back-pressure device for plugging and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104766701A true CN104766701A (en) | 2015-07-08 |
| CN104766701B CN104766701B (en) | 2016-08-03 |
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| CN201510185446.0A Active CN104766701B (en) | 2015-04-20 | 2015-04-20 | A kind of main transformer body large flange back-pressure device for plugging and using method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3139464A1 (en) * | 1981-10-03 | 1983-04-21 | Christian 5220 Waldbröl Sowa | Equipment for the rapid repair of a car exhaust pipe |
| CN101749512A (en) * | 2008-12-15 | 2010-06-23 | 北京安科管道工程科技有限公司 | Method for strengthening and/or plugging flange with pressure |
| CN101994891A (en) * | 2009-08-27 | 2011-03-30 | 上海梅山钢铁股份有限公司 | High-temperature and high-pressure leakage blocking clamp tool with pressure |
| CN202360994U (en) * | 2011-11-18 | 2012-08-01 | 山东联合化工股份有限公司 | Flange type pressure plugging device |
| CN202561368U (en) * | 2012-05-21 | 2012-11-28 | 朱志祥 | Flange anti-plugging fixture |
| CN204497020U (en) * | 2015-04-20 | 2015-07-22 | 国家电网公司 | A kind of main transformer body large flange back-pressure device for plugging |
-
2015
- 2015-04-20 CN CN201510185446.0A patent/CN104766701B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3139464A1 (en) * | 1981-10-03 | 1983-04-21 | Christian 5220 Waldbröl Sowa | Equipment for the rapid repair of a car exhaust pipe |
| CN101749512A (en) * | 2008-12-15 | 2010-06-23 | 北京安科管道工程科技有限公司 | Method for strengthening and/or plugging flange with pressure |
| CN101994891A (en) * | 2009-08-27 | 2011-03-30 | 上海梅山钢铁股份有限公司 | High-temperature and high-pressure leakage blocking clamp tool with pressure |
| CN202360994U (en) * | 2011-11-18 | 2012-08-01 | 山东联合化工股份有限公司 | Flange type pressure plugging device |
| CN202561368U (en) * | 2012-05-21 | 2012-11-28 | 朱志祥 | Flange anti-plugging fixture |
| CN204497020U (en) * | 2015-04-20 | 2015-07-22 | 国家电网公司 | A kind of main transformer body large flange back-pressure device for plugging |
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| CN104766701B (en) | 2016-08-03 |
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