CN102592786B - A kind of online transformer oil dielectric loss treatment device - Google Patents
A kind of online transformer oil dielectric loss treatment device Download PDFInfo
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- CN102592786B CN102592786B CN201210064691.2A CN201210064691A CN102592786B CN 102592786 B CN102592786 B CN 102592786B CN 201210064691 A CN201210064691 A CN 201210064691A CN 102592786 B CN102592786 B CN 102592786B
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- Prior art keywords
- oil
- electromagnetic valve
- valve
- transformator
- dielectric loss
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000889 atomisation Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
- Transformer Cooling (AREA)
Abstract
A kind of online transformer oil dielectric loss treatment device, including transformator, the oil-feed electromagnetic valve of transformator 1 passes sequentially through the oil return solenoid valve UNICOM of primary filter, heater, atomising device, oil water separator, negative-pressure adsorption tank, double-direction gearpump, malleation adsorption tanks, tertiary filter and transformator；The second hand-operated valve it is provided with between oil-feed electromagnetic valve and primary filter, first manual valve it is provided with between tertiary filter and transformator, second hand-operated valve, pipeline between primary filter is by middle position electromagnetic valve and first manual valve, pipeline UNICOM between tertiary filter, during the work of transformer oil dielectric loss processing means, fluid enters primary filter through entrance under the effect of inside and outside differential pressure and filters, fluid is heated, carry out Oil-gas Separation, moisture is discharged, fluid enters negative-pressure adsorption tank and adsorbs, fluid heats in pipeline, seepage flow enters malleation adsorption tanks and adsorbs, fluid filters through tertiary filter and flows back to transformer body, there is the advantages such as online treatment.
Description
Technical field
The present invention relates to transformer oil media application, be specifically related to a kind of online transformer oil dielectric loss and process dress
Put.
Background technology
The dielectric loss of the energy loss that transformer oil causes under electric field action, referred to as transformer oil, generally with medium
Angle of loss tangent tg δ represents.
Measure the dielectric loss tangent tg δ of insulating oil, can reflect that insulating oil is at electric field, oxidation, sunshine, high temperature delicately
Etc. the degree of aging under factor effect, when also can find delicately insulating oil contains moisture or is mixed into other impurity, generated
Polar impurity and charged colloidal particle material the phenomenon such as gradually increase.Therefore, transformer insulation oil tg δ test be one important
Electric characteristic test.
Power transformer is crucial in power system and visual plant, in recent years during installation and operation, repeatedly
Finding the abnormal phenomena of transformer oil dielectric loss factor tg δ, it not only affects construction speed, causes the wave of man power and material
Take, and affect the safe operation of transformator.So being an outstanding problem of current transformer.
When transformer oil dielectric loss factor tg δ occurs abnormal, the processing method of conventional process is processed offline.At this moment
Transformator must be stopped transport, and the laboratory that then draws oil sample goes to measure；After determining the maintenance scheme of transformator, transformator stops
Fortune, line outage, transformer oil is carried out " off-line " and processes, or transformer oil is cleaned, or change transformer oil, time-consumingly
General at several days.
Obviously, " have a power failure ", the requirement of " off-line " and intelligent power network incompatible.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of online transformer oil medium
Loss processing means, when processing transformer oil, transformator need not out of service；It is able to ensure that transformator does not produces
Oil flow electrification；It is able to ensure that the institute of transformator is protected and does not send signal or tripping operation, prevent false protection；Increasingly automated,
With transformator run duration, state and data are monitored by industrial computer.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of online transformer oil dielectric loss treatment device, including transformator 1, the oil-feed electromagnetic valve 3 of transformator 1 depends on
Secondary by primary filter 5, heater 9, atomising device 12, oil water separator 13, negative-pressure adsorption tank 17, double-direction gearpump 19,
Oil return solenoid valve 2 UNICOM of malleation adsorption tanks 22, tertiary filter 24 and transformator 1；
The second hand-operated valve 7 it is provided with, between tertiary filter 24 and transformator 1 between oil-feed electromagnetic valve 3 and primary filter 5
Being provided with first manual valve 6, the pipeline between the second hand-operated valve 7, primary filter 5 is by middle position electromagnetic valve 4 and first manual valve
6, the pipeline UNICOM between tertiary filter 24.
The first electromagnetic valve 11, oil water separator 13 and condenser 15 it is provided with between described heater 9 and atomising device 12
Between be provided with the second electromagnetic valve 14, be provided with the 3rd electromagnetic valve 16, two-way gear between oil water separator 13 and negative-pressure adsorption tank 17
It is provided with the 4th electromagnetic valve 20 between pump 19 and malleation adsorption tanks 22, between malleation adsorption tanks 22 and tertiary filter 24, is provided with the 5th
Electromagnetic valve 23.
The first Pressure gauge 8 it is provided with, between heater 9 and atomising device 12 between described primary filter 5 and heater 9
It is provided with the second Pressure gauge 10, between negative-pressure adsorption tank 17 and double-direction gearpump 19, is provided with the 3rd Pressure gauge 18, double-direction gearpump 19
And between malleation adsorption tanks 22, it is provided with the 4th Pressure gauge 21.
Described condenser 15 and negative pressure pump 27 connect.
Described malleation adsorption tanks 22 are provided with relief valve 29.
Described oil water separator 13 is provided with infrared level meter 30.
Described electromagnetic valve, Pressure gauge and control computer 25, actuator 26 connect.
The invention have the advantage that
1. when transformer oil is processed, it is not necessary to having a power failure, transformator need not out of service；
The most simple to operate, even if stopping transport also without transformator when mounted, tranformer protection is also without out of service；
3. low discharge, low flow velocity, it can be ensured that transformator does not produce oil flow electrification；
The most special turnover oil mode, it is ensured that the protection of transformator does not send signal or tripping operation, prevents false protection；
The most increasingly automated, state and data are by industrial computer control, and can remotely monitor；
6. use the working method run with transformator, repeatedly " wash away " in transformator, at vacuum oil mode
That manages is more thorough；
7. use negative-pressure atomizing, membranization, fast dewatering, degassing；
8. bubble jet adsorbent bed technology, adsorbs more thorough；
9. malleation immersion diafiltration, the chemical bond in oil is combined more abundant with adsorbent；
10. compare with traditional processing method, have obvious economic benefit.
Accompanying drawing explanation
Accompanying drawing is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in detail.
Referring to the drawings, a kind of online transformer oil dielectric loss treatment device, including transformator 1, the oil-feed of transformator 1
Electromagnetic valve 3 passes sequentially through primary filter 5, heater 9, atomising device 12, oil water separator 13, negative-pressure adsorption tank 17, two-way
Oil return solenoid valve 2 UNICOM of gear pump 19, malleation adsorption tanks 22, tertiary filter 24 and transformator 1；
The second hand-operated valve 7 it is provided with, between tertiary filter 24 and transformator 1 between oil-feed electromagnetic valve 3 and primary filter 5
Being provided with first manual valve 6, the pipeline between the second hand-operated valve 7, primary filter 5 is by middle position electromagnetic valve 4 and first manual valve
6, the pipeline UNICOM between tertiary filter 24.
The first electromagnetic valve 11, oil water separator 13 and condenser 15 it is provided with between described heater 9 and atomising device 12
Between be provided with the second electromagnetic valve 14, be provided with the 3rd electromagnetic valve 16, two-way gear between oil water separator 13 and negative-pressure adsorption tank 17
It is provided with the 4th electromagnetic valve 20 between pump 19 and malleation adsorption tanks 22, between malleation adsorption tanks 22 and tertiary filter 24, is provided with the 5th
Electromagnetic valve 23.
The first Pressure gauge 8 it is provided with, between heater 9 and atomising device 12 between described primary filter 5 and heater 9
It is provided with the second Pressure gauge 10, between negative-pressure adsorption tank 17 and double-direction gearpump 19, is provided with the 3rd Pressure gauge 18, double-direction gearpump 19
And between malleation adsorption tanks 22, it is provided with the 4th Pressure gauge 21.
Described condenser 15 and negative pressure pump 27 connect.
Described malleation adsorption tanks 22 are provided with relief valve 29.
Described oil water separator 13 is provided with infrared level meter 30.
Described electromagnetic valve, Pressure gauge and control computer 25, actuator 26 connect.
The operation principle of the present invention is:
During the work of transformer oil dielectric loss processing means, fluid enters primary filter through entrance under the effect of inside and outside differential pressure
5, large granular impurity is filtered out；Fluid through multistage Infrared Heating to most suitable temperature, about 76.5 degree, flat according to transformator
Weighing apparatus condition determines；Fluid is initially formed vaporific in vacuum separator, then is formed membranaceous so that it is contact area in a vacuum expands
For original hundreds times；Moisture in oil obtains fast vaporizing and by vacuum system under conditions of high heat, condition of high vacuum degree, big surface
System is discharged；The aqueous vapor discharged by vacuum separator, after the most condensed device 15 cool-down dehumidification, enters in cooler and again cools down,
Condensed water enters in water receiver and discharges, the gas after twice dehumidification by condensation, is finally arranged in the air by vacuum pump；Fluid enters negative
Pressure adsorption tanks 17, its pressure forms bubble with escaping gas in tank through injection at about-0.25MPa, fluid, penetrates into tank body
Interior adsorbent bed, is fully contacted with adsorbent；Fluid is heated to about 85 degree in pipeline, is forced into 1.5MPa, and seepage flow is just entering
Pressure adsorption tanks 22, fluid enters the adsorbent bed in tank body with the form of submergence；Fluid filters through tertiary filter 24, be cooled to
Transformator entrance oil temperature is identical, under the effect of pump, flows back to transformer body.
Specific works process is:
Oil-feed electromagnetic valve 3 and oil return solenoid valve 2 are connected with transformator oil inlet and outlet；Open first manual valve 6, second-hand
Dynamic valve 7；Open oil return solenoid valve 2, middle position electromagnetic valve the 4, first, the 3rd electromagnetic valve, rotate forward under the effect of double-direction gearpump 19,
Opening heater 9, in transformator, fluid is through oil return solenoid valve 2, middle position electromagnetic valve 4, primary filter 5, heater 9, atomization dress
Putting 12, enter oily-water seperating equipment 13, in oily-water seperating equipment 13, oil level reaches to stop during low level；Position electromagnetic valve 4 in closedown,
Opening oil-feed electromagnetic valve 3, double-direction gearpump 19 continues positive direction and runs, and fluid is through oil-feed electromagnetic valve 3, primary filter 5, heating
Device 9, atomising device 12 enter oily-water seperating equipment 13, when oil level reaches middle position in oily-water seperating equipment 13, close the first electricity
Magnet valve；Opening the 4th electromagnetic valve, double-direction gearpump 19 continues to run with, and monitors the 4th Pressure gauge, when malleation adsorption tanks 22 pressure mistake
Gao Shi, opens relief valve 29 pressure release；Monitor the 3rd Pressure gauge, when pressure is less than-0.2Mpa, open the first electromagnetic valve, fluid
It is atomized through atomising device 12, enters oily-water seperating equipment 13 membranization, make aqueous vapor and fuel gas quickly escape, concentrate on profit
The top of segregation apparatus 13, in oil level is less than 1/2 during position, opens negative pressure pump 27, extracts dampness out；Close the 3rd electromagnetic valve, make
Negative-pressure adsorption tank 17 pressure is negative pressure, opens the 3rd electromagnetic valve, makes the fluid after dehydration, degassing be injected into negative-pressure adsorption tank
17, this process lasts till that oily-water seperating equipment 13 liquid level terminates when arriving low level, now opens the 5th electromagnetic valve, and malleation is adsorbed
In tank 22, fluid is through the 5th electromagnetic valve inflow filter, flows back to transformator 1 body by oil return solenoid valve 2, and single treatment terminates.
Close the 5th electromagnetic valve, open the first, the 3rd electromagnetic valve, under double-direction gearpump 19 positive acting, start oil suction, start second
Secondary process.And so forth.Oil suction is at 300-500ml every time.
Claims (5)
1. an online transformer oil dielectric loss treatment device, including transformator (1), it is characterised in that: transformator (1)
Oil-feed electromagnetic valve (3) passes sequentially through primary filter (5), heater (9), atomising device (12), oil water separator (13), negative pressure
Adsorption tanks (17), double-direction gearpump (19), malleation adsorption tanks (22), tertiary filter (24) and the oil return electromagnetism of transformator (1)
Valve (2) UNICOM；Be provided with the second hand-operated valve (7) between oil-feed electromagnetic valve (3) and primary filter (5), tertiary filter (24) and
Being provided with first manual valve (6) between transformator (1), the pipeline between the second hand-operated valve (7), primary filter (5) passes through middle position
Pipeline UNICOM between electromagnetic valve (4) and first manual valve (6), tertiary filter (24)；Described heater (9) and atomization dress
Put and between (12), be provided with the first electromagnetic valve (11), between oil water separator (13) and condenser (15), be provided with the second electromagnetic valve
(14), the 3rd electromagnetic valve (16) between oil water separator (13) and negative-pressure adsorption tank (17), it is provided with, double-direction gearpump (19) and just
It is provided with the 4th electromagnetic valve (20) between pressure adsorption tanks (22), between malleation adsorption tanks (22) and tertiary filter (24), is provided with the 5th
Electromagnetic valve (23)；The first Pressure gauge (8), heater (9) and mist it is provided with between described primary filter (5) and heater (9)
It is provided with the second Pressure gauge (10) between gasifying device (12), between negative-pressure adsorption tank (17) and double-direction gearpump (19), is provided with the 3rd pressure
Power table (18), is provided with the 4th Pressure gauge (21) between double-direction gearpump (19) and malleation adsorption tanks (22).
The online transformer oil dielectric loss treatment device of one the most according to claim 1, it is characterised in that: described
Condenser (15) and negative pressure pump (27) connect.
The online transformer oil dielectric loss treatment device of one the most according to claim 1, it is characterised in that: described
Malleation adsorption tanks (22) are provided with relief valve (29).
The online transformer oil dielectric loss treatment device of one the most according to claim 1, it is characterised in that: described
Oil water separator (13) is provided with infrared level meter (30).
The online transformer oil dielectric loss treatment device of one the most according to claim 1, it is characterised in that: described
Electromagnetic valve, Pressure gauge and control computer (25), actuator (26) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210064691.2A CN102592786B (en) | 2012-03-13 | 2012-03-13 | A kind of online transformer oil dielectric loss treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210064691.2A CN102592786B (en) | 2012-03-13 | 2012-03-13 | A kind of online transformer oil dielectric loss treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102592786A CN102592786A (en) | 2012-07-18 |
| CN102592786B true CN102592786B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210064691.2A Expired - Fee Related CN102592786B (en) | 2012-03-13 | 2012-03-13 | A kind of online transformer oil dielectric loss treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105185519B (en) * | 2015-07-29 | 2016-06-29 | 国网山东省电力公司电力科学研究院 | A kind of transformer oil on-line monitoring cleaning system |
| CN105374518B (en) * | 2015-11-29 | 2017-10-27 | 国网吉林省电力有限公司电力科学研究院 | A kind of removing method of Microorganism in Transformer Oil |
| CN105810405B (en) * | 2016-05-06 | 2017-09-15 | 国网天津市电力公司 | A kind of transformer oil treatment system |
| CN105976987A (en) * | 2016-06-28 | 2016-09-28 | 王建明 | Power transformer |
| CN106199210A (en) * | 2016-09-29 | 2016-12-07 | 国网四川省电力公司电力科学研究院 | Dielectric loss on-line detecting system |
| CN108079655A (en) * | 2018-01-31 | 2018-05-29 | 珠海经济特区恒迪科技有限公司 | Transformer insulation oil cycles micro- water treatment system online |
| CN108666092A (en) * | 2018-03-27 | 2018-10-16 | 广东电网有限责任公司佛山供电局 | A kind of electrically continuous oil filtering system of transformer belt |
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| CN2123358U (en) * | 1992-04-22 | 1992-12-02 | 渝州大学 | High efficiency vacuum oil filtering equipment |
| CN1171976A (en) * | 1996-08-09 | 1998-02-04 | 铁道部电气化工程局三处电气设备厂 | Multifunctional vacuum oil filter |
| CN201298426Y (en) * | 2008-11-13 | 2009-08-26 | 济南安塞自动化技术有限公司 | On-line vacuum heating oil filter |
| CN102237177A (en) * | 2010-05-06 | 2011-11-09 | 北京市电力公司 | Device and method for filtering oil in electrified manner for on-load tap-changer of transformer |
| KR20120002800A (en) * | 2010-07-01 | 2012-01-09 | 김상현 | A transformer vacuum oil filter |
| CN202549559U (en) * | 2012-03-13 | 2012-11-21 | 陕西恒成电力技术有限责任公司 | Online transformer oil dielectric loss processing device |
-
2012
- 2012-03-13 CN CN201210064691.2A patent/CN102592786B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123358U (en) * | 1992-04-22 | 1992-12-02 | 渝州大学 | High efficiency vacuum oil filtering equipment |
| CN1171976A (en) * | 1996-08-09 | 1998-02-04 | 铁道部电气化工程局三处电气设备厂 | Multifunctional vacuum oil filter |
| CN201298426Y (en) * | 2008-11-13 | 2009-08-26 | 济南安塞自动化技术有限公司 | On-line vacuum heating oil filter |
| CN102237177A (en) * | 2010-05-06 | 2011-11-09 | 北京市电力公司 | Device and method for filtering oil in electrified manner for on-load tap-changer of transformer |
| KR20120002800A (en) * | 2010-07-01 | 2012-01-09 | 김상현 | A transformer vacuum oil filter |
| CN202549559U (en) * | 2012-03-13 | 2012-11-21 | 陕西恒成电力技术有限责任公司 | Online transformer oil dielectric loss processing device |
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| CN102592786A (en) | 2012-07-18 |
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Denomination of invention: Online transformer oil dielectric loss treatment device Effective date of registration: 20181017 Granted publication date: 20161214 Pledgee: Shaanxi credit re Company Limited by Guarantee Pledgor: SHAANXI HENGCHENG ELECTRIC POWER TECHNOLOGY CO.,LTD. Registration number: 2018610000171 |
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Denomination of invention: Online transformer oil dielectric loss treatment device Effective date of registration: 20200116 Granted publication date: 20161214 Pledgee: Shaanxi credit re Company Limited by Guarantee Pledgor: SHAANXI HENGCHENG ELECTRIC POWER TECHNOLOGY CO.,LTD. Registration number: Y2020610000014 |
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