CN206523566U - A kind of oil-immersed power transformer corrosion chamber - Google Patents
A kind of oil-immersed power transformer corrosion chamber Download PDFInfo
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- CN206523566U CN206523566U CN201621048175.0U CN201621048175U CN206523566U CN 206523566 U CN206523566 U CN 206523566U CN 201621048175 U CN201621048175 U CN 201621048175U CN 206523566 U CN206523566 U CN 206523566U
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- 230000007797 corrosion Effects 0.000 title claims abstract description 16
- 238000005260 corrosion Methods 0.000 title claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 71
- 238000012360 testing method Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000006260 foam Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 7
- 238000007654 immersion Methods 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 84
- 230000009466 transformation Effects 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000011615 Pinus koraiensis Nutrition 0.000 description 1
- 240000007263 Pinus koraiensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a kind of oil-immersed power transformer corrosion chamber, including：Combustion test stand unit, including disk, the grillage and transformer bracket for combustion test of igniting of lighting a fire, the combustion test stand unit are used for the oil-filled transformer that burns；Unit between combustion test, including oil sump, fire wall and transformer combustion test room；Oil-water separation tank, is arranged on the inside and outside of transformer burning examination room, for water-oil separating；Square ditch, is arranged on the outside in transformer combustion test room, and the square ditch is connected with oil-water separation tank, for storing the water that water produced by fire extinguishing procedure and water-oil separating are produced；And flame failure protection unit, including water spray extinguishing equipment and four foam fire-fighting equipments, for putting out a fire, wherein foam fire-fighting equipment respectively at transformer combustion test room four corners and have apart from ground the position of preset height.Described device also includes quantity of state monitoring unit, power subsystem and monitoring camera-shooting head.
Description
Technical field
The utility model is related to combustion test field, and is burnt more particularly, to a kind of oil-immersed power transformer
Experimental rig.
Background technology
All transformers of current electric grid and industrial and mining enterprises are mostly oil-immersed power transformer, with respect to dry type transformation
For device, insulating oil is full of inside oil-immersed power transformer, the risk for there is blast, catching fire can be to surrounding devices, building
And personnel produce harm, cause to have a power failure and heavy economic losses.
The mineral insulation oil flash point that currently used oil-immersed power transformer is used is inflammable and explosive at 140 DEG C or so；
The esters such as natural esters and synthetic ester insulating oil flash point more than 250 DEG C, especially natural esters insulating oil flash point more than 300 DEG C,
Belong to fire resistant oil.Can fire prevention be applied to using the oil-immersed power transformer of the fire retardant insulating oils such as natural esters (plant) insulating oil
The high place of performance requirement, dry type transformer application can be substituted in indoor etc., it is necessary to various oil-immersed power transformers
Fire protecting performance carries out combustion test checking.
At present, only for the corrosion chamber of dry-type transformer, not suitable for the combustion of oil-immersed power transformer
Burn experimental rig.The purpose of this utility model is to provide a kind of oil-immersed power transformer corrosion chamber, for simulation oil
Immersion power transformer is by external fire operating mode, and examination oil-filled transformer is by the fire protecting performance in the case of external fire.
The content of the invention
In order to solve the above problems, according to one side of the present utility model, there is provided a kind of oil-immersed power transformer
Corrosion chamber, described device includes：
Combustion test stand unit, including disk, the grillage and transformer bracket for combustion test, the combustion of igniting of lighting a fire
Burning test-bed unit is used for the oil-filled transformer that burns；
Unit between combustion test, including oil sump, fire wall and transformer combustion test room；
Oil-water separation tank, is arranged on the inside and outside of transformer burning examination room, for water-oil separating；
Square ditch, is arranged on the outside in transformer combustion test room, and the square ditch is connected with oil-water separation tank
It is logical, for storing the water that water produced by fire extinguishing procedure and water-oil separating are produced；And
Flame failure protection unit, including water spray extinguishing equipment and four foam fire-fighting equipments are used to put out a fire, wherein four bubbles
Foam fire-extinguishing apparatus respectively at transformer combustion test room four corners and have apart from ground the position of preset height.
Preferably, wherein the igniting is ignited, disk is positioned over ground, for the grillage ignited for combustion test, the wood
Pile is positioned over igniting and ignites on disk and be integrally placed at below transformer bracket, and transformer bracket is used to support oil-filled transformer,
The oil-filled transformer is positioned over above transformer bracket.
Preferably, wherein between the combustion test of the transformer unit by it is interior be oil sump, fire wall, transformation successively outward
Device combustion test room.
Preferably, wherein the oil sump is in transformer combustion test room, and the combustion test stand unit
It is placed in oil sump, for carrying out oil-collecting when oil-filled transformer ruptures.
Preferably, wherein the transformer combustion test room three side sealing is closed, recording quantity is opened as watch window, top surface
Open, the transformer combustion test room is built into by refractory brick, for the protection to oil-filled transformer combustion test.
Preferably, wherein the water spray extinguishing equipment is located at the top of oil-filled transformer.
Preferably, wherein described device also includes quantity of state monitoring unit, and the quantity of state monitoring unit includes multiple K-types
Thermocouple, pressure sensor, heat flow transducer, for monitoring temperature, heat radiation and pressure in oil-filled transformer combustion process
Power index.
Preferably, wherein the K-type thermocouple is separately mounted to the inside of oil tank for oil immersion type transformer, outside and oil immersed type
Around oil tank of transformer；Wherein described pressure sensor is placed in oil tank for oil immersion type transformer lid；The heat flow transducer is put
In the front of oil-filled transformer and top of oil-tank.
Preferably, wherein described device also includes power subsystem, and the power subsystem includes low pressure and high pressure two parts, uses
In providing power supply to oil-filled transformer, charging operation operating mode is simulated.
Preferably, wherein described device also includes monitoring camera-shooting head, for carrying out remote monitoring to combustion experiment process.
The beneficial effects of the utility model are：
1. the experimental rig of the technical scheme of the application can truly simulate oil-immersed power transformer by external fire
Operating condition, security performance is high, easy to operate, has filled up domestic blank.
2. the technical scheme of the application can be used for oil-filled transformer combustion test, simulation oil-filled transformer is by outside
During fire, in the case of oil-immersed power transformer charging operation, measurement oil-immersed power transformer internal temperature, pressure with
And the distribution of transformer external temperature, heat radiation situation, oil-immersed power transformer combustion test situation is observed by camera cradle head,
So as to examine fire protecting performance of the oil-immersed power transformer in the case of by external fire.
Brief description of the drawings
By reference to the following drawings, illustrative embodiments of the present utility model can be more fully understood by：
Fig. 1 is shown to be shown according to the structure of the oil-filled transformer corrosion chamber 100 of the utility model embodiment
It is intended to；
Fig. 2, which shows to be placed according to the grillage of the oil-filled transformer corrosion chamber of the utility model embodiment, to be shown
It is intended to；
Fig. 3 shows to be burnt according to the transformer of the oil-filled transformer corrosion chamber of utility model embodiment and tried
Test the structural representation in room；And
Fig. 4 is shown inside and outside the transformer according to the oil-filled transformer corrosion chamber of the utility model embodiment
The layout drawing of portion's sensor.
Embodiment
Illustrative embodiments of the present utility model are introduced with reference now to accompanying drawing, however, the utility model can use many
Different forms is implemented, and to be not limited to embodiment described herein there is provided these embodiments be in order at large and complete
Open the utility model entirely, and fully pass on to person of ordinary skill in the field scope of the present utility model.For
Term in the illustrative embodiments being illustrated in the accompanying drawings is not to limit of the present utility model.In the accompanying drawings, identical
Cells/elements use identical reference.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has to person of ordinary skill in the field
It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, is appreciated that and it
The linguistic context of association area has consistent implication, and is not construed as Utopian or excessively formal meaning.
Fig. 1 is shown to be shown according to the structure of the oil-filled transformer corrosion chamber 100 of the utility model embodiment
It is intended to.As shown in figure 1, the oil-filled transformer corrosion chamber 100 includes：Combustion test stand unit 101, burning examination
Test a unit 102, oil-water separation tank 103, square ditch 104 and flame failure protection unit 105.Combustion test stand unit 101 is wrapped
Disk, the grillage and transformer bracket of combustion test of igniting of lighting a fire are included, the combustion test stand unit is used for oil immersed type change of burning
Depressor.Preferably, wherein the igniting is ignited, disk is positioned over ground, for the grillage ignited for combustion test, the grillage
It is positioned over igniting to ignite on disk and be integrally placed at below transformer bracket, transformer bracket is used to support oil-filled transformer, institute
Oil-filled transformer is stated to be positioned over above transformer bracket.Fig. 2 is shown to be become according to the oil immersed type of the utility model embodiment
The grillage of depressor corrosion chamber places schematic diagram.As shown in Fig. 21 is oil sump, 2 be test oil-filled transformer, and 3 are
Standard grillage.For example, first, ignited disk, placed in the disk that ignites according to the suitable grillage of the size selection of standard grillage 1 and igniting
Alcohol or gasoline etc.；Then set according to the size of test oil-filled transformer 2 and the size of the grillage of combustion test, arrangement mode
Transformer bracket is put, test oil immersed type transformer yoke sky is supported；It is last symmetrically to be put in test oil-filled transformer bottom
4 heap standard grillages 1 are put, wherein standard grillage 1 is made up of the wooden batten of 72 Korean pines, and batten length is 500mm, and batten section is just
Square, the square length of side is 39mm ± 1mm.72 battens are lined up 12 layers, 6 every layer.It is horizontally-arranged according to one layer, one layer of vertical setting of types,
It is staggered, follows closely into square.
Preferably, unit 102 includes oil sump, fire wall and transformer combustion test room between combustion test.Preferably,
Between the combustion test of wherein described transformer unit 102 by it is interior be oil sump, fire wall, transformer combustion test room successively outward
Between.Fig. 3 shows the transformer combustion test room according to the oil-filled transformer corrosion chamber of utility model embodiment
Between structural representation.As shown in figure 3,4 be horizontal plane, 5 be transformer combustion test room, and 6 be transformer bracket, and 7 be anti-
Wall with flues, 8 be square ditch, and 9 be oil-water separation tank.Wherein described oil sump 1 is in transformer combustion test room 5, and institute
The centre that test oil-filled transformer 2 is placed on oil sump 1 is stated, for when the test oil-filled transformer 2 ruptures
Carry out urgent oil-collecting, and the surrounding of oil sump 1 and bottom laying refractory brick.The volume of oil sump 1 should be according to test oil immersed type
Size of more than 2 times of the volume of insulating oil to set oil sump 1 in transformer 2.Preferably, wherein the fire wall 7 is located at
The periphery of oil sump 1, the center of the fire wall 7 and the center of oil sump 1 in same point, and each edge of fire wall 7 with
The each edge of oil sump 1 is parallel.For example, fire wall internal area is 2.8m × 2.5m, refractory brick is above the ground level 0.3m.It is preferred that
Ground, wherein the three side sealing of transformer combustion test room 5 is closed, recording quantity is used as watch window, opened top, the transformation
Device combustion test room 5 is built into by refractory brick, for the protection to oil-filled transformer combustion test.For example, room-sized can
To be set to 6m × 5m × 3m sizes.
Preferably, oil-water separation tank 103 is arranged on the inside and outside of transformer burning examination room, for water-oil separating.
Preferably, square ditch 104 is arranged on the outside in transformer combustion test room, the square ditch and profit point
It is connected from pond, for storing the water that water produced by fire extinguishing procedure and water-oil separating are produced.Preferably, wherein the square water
Ditch 8 is connected with oil-water separation tank 9.Square ditch 8 can be arranged on transformer combustion test room 1m outside, square water
The outward flange of ditch 8 is 7m × 6m, ditch size 1m × 0.5m.
Preferably, flame failure protection unit 105 includes water spray extinguishing equipment and four foam fire-fighting equipments, for putting out a fire,
Wherein four foam fire-fighting equipments respectively at transformer combustion test room four corners and have preset height apart from ground
Position.Preferably, wherein the water spray extinguishing equipment is located at the top of oil-filled transformer depressor.For example, four foams go out
Fiery equipment can be placed in four corners in transformer combustion test room and apart from position high ground 2.5m.
Preferably, described device also includes quantity of state monitoring unit, and the quantity of state monitoring unit includes multiple K-type thermoelectricity
Idol, pressure sensor, heat flow transducer, temperature, heat radiation and pressure for monitoring in oil-filled transformer combustion process refer to
Mark.Preferably, wherein the K-type thermocouple is separately mounted to the inside of oil tank for oil immersion type transformer, outside and oil immersed type transformation
Around device fuel tank；Wherein described pressure sensor is placed in oil tank for oil immersion type transformer lid；The heat flow transducer is placed on oil
The front of immersion transformer and top of oil-tank.For example, in the pre-buried CY200-ZT high accuracy numbers pressure of oil tank for oil immersion type transformer lid
Force snesor is monitored to the oil-filled transformer internal pressure situation of change；1 immediately ahead of the oil-filled transformer
Thermal exposure in 3 TS-34C type heat flow transducers that rice, 2 meters and 0.5 meter of top of oil-tank are respectively arranged, monitoring combustion process；
1 meter immediately ahead of the oil-filled transformer, 2 meters, 3 meters of each transformations arranged in the linear thermocouple measurement combustion processes of 3 K-types
Device environment temperature distribution gradient situation of change；Outside the transformer combustion test room, from subject transformer horizontal range 8
Rice, high 4 meters of position set monitoring camera-shooting head, and remote monitoring is carried out to combustion test process.Fig. 4 is shown according to this practicality
The layout drawing of the transformer inside and outside sensor of the oil-filled transformer corrosion chamber of new embodiment.As shown in figure 4,
Thermocouple 10 is used to monitor oil surface temperature, and thermocouple 11 is used to monitor winding upper temp, and thermocouple 12 is used to monitor middle part oil
Temperature, thermocouple 13 is used to monitor winding middle portion temperature, and thermocouple 14 is used to monitor winding temperature of lower, and thermocouple 15 is used to monitor
Tank bottoms temperature, thermocouple 16 is used to monitor temperature unshakable in one's determination, and thermocouple 17 is used for the temperature for monitoring radiator upper end, thermocouple
18 temperature for monitoring radiator lower end, thermocouple 19 is used to monitor the temperature outside fuel tank, and pressure sensor 20 is used to supervise
Survey the pressure of fuel tank internal.
Preferably, described device also include power subsystem, the power subsystem include low pressure and high pressure two parts, for
Test transformer provides power supply, simulates charging operation operating mode.380V power supplys can be set, for the oil immersion-type distribution transformation
Device low-pressure side press band combustion test；10kV power supplys are set, for the burning of oil-filled transformer high-pressure side press band
Experiment, can also set 10kV power supply is used for the oil-filled transformer low-pressure side press band combustion test.
Preferably, described device also includes monitoring camera-shooting head, for carrying out remote monitoring to combustion experiment process.
The utility model is described by reference to a small amount of embodiment.However, it is known in those skilled in the art,
Limited as subsidiary Patent right requirement, except the utility model other embodiments disclosed above equally fall
In the range of the utility model.
Normally, all terms used in the claims are all solved according to them in the usual implication of technical field
Release, unless clearly defined in addition wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example in described device, component etc. is construed to, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate order, unless explicitly stated otherwise.
Claims (10)
1. a kind of oil-immersed power transformer corrosion chamber, it is characterised in that described device includes：
Combustion test stand unit, including disk, the grillage and transformer bracket for combustion test of igniting of lighting a fire, the burning examination
Testing stage unit is used for the oil-filled transformer that burns；
Unit between combustion test, including oil sump, fire wall and transformer combustion test room；
Oil-water separation tank, is arranged on the inside and outside of transformer burning examination room, for water-oil separating；
Square ditch, is arranged on the outside in transformer combustion test room, and the square ditch is connected with oil-water separation tank, uses
The water produced in the water produced by storage fire extinguishing procedure and water-oil separating；And
Flame failure protection unit, including water spray extinguishing equipment and four foam fire-fighting equipments, for putting out a fire, wherein four foams go out
Fiery equipment respectively at transformer combustion test room four corners and have apart from ground the position of preset height.
2. device according to claim 1, wherein the igniting is ignited, disk is positioned over ground, is used for examination of burning for igniting
The grillage tested, the grillage is positioned over igniting and ignites on disk and be integrally placed at below transformer bracket, and transformer bracket is used for branch
Oil-filled transformer is supportted, the oil-filled transformer is positioned over above transformer bracket.
3. device according to claim 1, wherein between the combustion test of the transformer unit by it is interior be collection successively outward
Oil sump, fire wall, transformer combustion test room.
4. device according to claim 1, wherein the oil sump is in transformer combustion test room, and the combustion
Burn test-bed unit to be placed in oil sump, for carrying out oil-collecting when oil-filled transformer ruptures.
5. device according to claim 1, wherein the transformer combustion test room three side sealing is closed, recording quantity conduct
Watch window, opened top, the transformer combustion test room is built into by refractory brick, is tried for being burnt to oil-filled transformer
The protection tested.
6. device according to claim 1, wherein the water spray extinguishing equipment is located at the top of oil-filled transformer.
7. device according to claim 1, wherein described device also include quantity of state monitoring unit, the quantity of state monitoring
Unit includes multiple K-type thermocouples, pressure sensor, heat flow transducer, for monitoring in oil-filled transformer combustion process
Temperature, heat radiation and pressure index.
8. device according to claim 7, wherein the K-type thermocouple is separately mounted to the interior of oil tank for oil immersion type transformer
Around portion, outside and oil tank for oil immersion type transformer；Wherein described pressure sensor is placed in oil tank for oil immersion type transformer lid；Institute
State front and top of oil-tank that heat flow transducer is placed on oil-filled transformer.
9. the device according to claim 1 or 7, wherein described device also include power subsystem, the power subsystem includes
Low pressure and high pressure two parts, for providing power supply to oil-filled transformer, simulate charging operation operating mode.
10. device according to claim 9, wherein described device also include monitoring camera-shooting head, for combustion experiment
Process carries out remote monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048175.0U CN206523566U (en) | 2016-09-09 | 2016-09-09 | A kind of oil-immersed power transformer corrosion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048175.0U CN206523566U (en) | 2016-09-09 | 2016-09-09 | A kind of oil-immersed power transformer corrosion chamber |
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| CN206523566U true CN206523566U (en) | 2017-09-26 |
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| CN201621048175.0U Active CN206523566U (en) | 2016-09-09 | 2016-09-09 | A kind of oil-immersed power transformer corrosion chamber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405290A (en) * | 2016-09-09 | 2017-02-15 | 中国电力科学研究院 | Combustion test apparatus for oil-immersed power transformers |
| CN110631626A (en) * | 2019-09-29 | 2019-12-31 | 国网湖南省电力有限公司 | Test device and method for simulating transformer overflowing fire and spraying fire |
| CN111896675A (en) * | 2020-08-10 | 2020-11-06 | 国网湖南省电力有限公司 | Test system and test method for simulating transformer fire combustion under electric field condition |
-
2016
- 2016-09-09 CN CN201621048175.0U patent/CN206523566U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405290A (en) * | 2016-09-09 | 2017-02-15 | 中国电力科学研究院 | Combustion test apparatus for oil-immersed power transformers |
| CN110631626A (en) * | 2019-09-29 | 2019-12-31 | 国网湖南省电力有限公司 | Test device and method for simulating transformer overflowing fire and spraying fire |
| CN110631626B (en) * | 2019-09-29 | 2021-08-27 | 国网湖南省电力有限公司 | Test device and method for simulating transformer overflowing fire and spraying fire |
| CN111896675A (en) * | 2020-08-10 | 2020-11-06 | 国网湖南省电力有限公司 | Test system and test method for simulating transformer fire combustion under electric field condition |
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