CN102592786A - Online transformer oil dielectric loss treatment device - Google Patents
Online transformer oil dielectric loss treatment device Download PDFInfo
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- CN102592786A CN102592786A CN2012100646912A CN201210064691A CN102592786A CN 102592786 A CN102592786 A CN 102592786A CN 2012100646912 A CN2012100646912 A CN 2012100646912A CN 201210064691 A CN201210064691 A CN 201210064691A CN 102592786 A CN102592786 A CN 102592786A
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- oil
- transformer
- operated valve
- dielectric loss
- electromagnetically operated
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 13
- 239000003463 adsorbent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 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
- 230000007257 malfunction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 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
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 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
- 238000001914 filtration Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process 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
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Transformer Cooling (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
An online transformer oil dielectric loss treatment device comprises a transformer, wherein an oil inlet solenoid valve of the transformer (1) is connected with an oil return solenoid valve of the transformer sequentially through a primary filter, a heater, an atomizer, an oil-water separator, a negative pressure adsorption tank, a bidirectional gear pump, a positive pressure adsorption tank and a three-stage filter; a second manual valve is arranged between the oil inlet solenoid valve and the primary filter; a first manual valve is arranged between the three-stage filter and the transformer; and the pipe between the second manual valve and the primary filter is connected with the pipe between the first manual valve and the three-stage filter through an intermediate solenoid valve. During operation of the transformer oil dielectric loss treatment device, the oil flows to the primary filter through an entrance under the action of the pressure difference between inside and outside to filter the oil, is processed by heating, oil-gas separation and water removal, subsequently enters the negative pressure adsorption tank for adsorption, then is heated in the pipe, seeps to the positive pressure adsorption tank for adsorption, and finally flows the transformer body after being filtered by the three-stage filter. The online transformer oil dielectric loss treatment device provided by the invention has the advantages of online treatment, and so on.
Description
Technical field
The present invention relates to transformer oil medium field, be specifically related to a kind of online transformer oil dielectric loss processing unit.
Background technology
The energy loss that transformer oil causes under electric field action is called the dielectric loss of transformer oil, representes with dielectric loss tangent tg δ usually.
Measure the dielectric loss tangent tg δ of insulating oil; Can reflect the degree of aging of insulating oil under factor effects such as electric field, oxidation, sunshine, high temperature delicately; In the time of also finding delicately to contain moisture in the insulating oil or sneak into other impurity, polar impurity that is generated and charged colloidal particle material such as increase gradually at phenomenon.Therefore, the tg δ of transformer insulation oil test is an important electrical characteristic test.
Power transformer is key and a visual plant in the electric power system; In the installation and operation process, repeatedly found the anomaly of transformer oil dielectric dissipation factor tg δ in recent years, it not only influences construction schedule; Cause man power and material's waste, and influence the safe operation of transformer.So be an outstanding problem of current transformer.
When transformer oil dielectric dissipation factor tg δ occurs when unusual, the processing method of conventional process is a processed offline.At this moment transformer must be stopped transport, and the laboratory of drawing oil sample is then gone to measure; Behind the maintenance scheme of having confirmed transformer, transformer is stopped transport, and line outage is carried out " off-line " to transformer oil and handled, or transformer oil is cleaned, or changes transformer oil, and is consuming time generally at several days.
Obviously, " power failure ", " off-line " and intelligent electrical network require incompatible.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of online transformer oil dielectric loss processing unit, when transformer oil was handled, transformer did not need out of service; Can guarantee that transformer does not produce oil flow electrification; Can guarantee that all protections of transformer do not send signal or tripping operation, prevent to protect malfunction; Increasingly automated, following the transformer run duration, state and data are monitored by industrial computer.
In order to achieve the above object, the technical scheme taked of the present invention is:
A kind of online transformer oil dielectric loss processing unit; Comprise transformer 1, the oil-feed electromagnetically operated valve 3 of transformer 1 passes through oil return solenoid valve 2 UNICOMs of primary filter 5, heater 9, atomising device 12, oil water separator 13, negative-pressure adsorption jar 17, double-direction gearpump 19, malleation adsorption tanks 22, tertiary filter 24 and transformer 1 successively;
Be provided with second hand-operated valve 7 between oil-feed electromagnetically operated valve 3 and the primary filter 5; Be provided with pipeline between first hand-operated valve, 6, the second hand-operated valves 7, the primary filter 5 between tertiary filter 24 and the transformer 1 through the pipeline UNICOM between meta electromagnetically operated valve 4 and first hand-operated valve 6, the tertiary filter 24.
Be provided with first electromagnetically operated valve 11 between described heater 9 and the atomising device 12; Be provided with second electromagnetically operated valve 14 between oil water separator 13 and the condenser 15; Be provided with the 3rd electromagnetically operated valve 16 between oil water separator 13 and the negative-pressure adsorption jar 17; Be provided with the 4th electromagnetically operated valve 20 between double-direction gearpump 19 and the malleation adsorption tanks 22, be provided with the 5th electromagnetically operated valve 23 between malleation adsorption tanks 22 and the tertiary filter 24.
Be provided with first Pressure gauge 8 between described primary filter 5 and the heater 9; Be provided with second Pressure gauge 10 between heater 9 and the atomising device 12; Be provided with the 3rd Pressure gauge 18 between negative-pressure adsorption jar 17 and the double-direction gearpump 19, be provided with the 4th Pressure gauge 21 between double-direction gearpump 19 and the malleation adsorption tanks 22.
Described condenser 15 is connected with negative pressure pump 27.
Described malleation adsorption tanks 22 are provided with relief valve 29.
Described oil water separator 13 is provided with infrared liquid level gauge 30.
Described electromagnetically operated valve, Pressure gauge and control computer 25, actuator 26 are connected.
Advantage of the present invention is:
1. when transformer oil is handled, do not need to have a power failure, transformer does not need out of service;
2. simple to operate, even do not need transformer to stop transport when mounted, tranformer protection does not need out of service yet yet;
3. low discharge hangs down flow velocity, can guarantee that transformer does not produce oil flow electrification;
4. special turnover oil mode guarantees that signal or tripping operation are not sent in the protection of transformer, prevents to protect malfunction;
5. increasingly automated, state and data are controlled by industrial computer, and can remote monitoring;
6. adopt the working method follow the transformer operation, in transformer, " wash away " repeatedly, than vacuum oil mode handle more thorough;
7. adopt negative pressure atomizing, membranization, fast dewatering, the degassing;
8. bubble jet adsorbent bed technology is adsorbed more thorough;
9. malleation immersion diafiltration, the chemical bond in the oil combines more abundant with adsorbent;
10. compare with traditional processing method, tangible economic benefit is arranged.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done detailed description.
With reference to accompanying drawing; A kind of online transformer oil dielectric loss processing unit; Comprise transformer 1, the oil-feed electromagnetically operated valve 3 of transformer 1 passes through oil return solenoid valve 2 UNICOMs of primary filter 5, heater 9, atomising device 12, oil water separator 13, negative-pressure adsorption jar 17, double-direction gearpump 19, malleation adsorption tanks 22, tertiary filter 24 and transformer 1 successively;
Be provided with second hand-operated valve 7 between oil-feed electromagnetically operated valve 3 and the primary filter 5; Be provided with pipeline between first hand-operated valve, 6, the second hand-operated valves 7, the primary filter 5 between tertiary filter 24 and the transformer 1 through the pipeline UNICOM between meta electromagnetically operated valve 4 and first hand-operated valve 6, the tertiary filter 24.
Be provided with first electromagnetically operated valve 11 between described heater 9 and the atomising device 12; Be provided with second electromagnetically operated valve 14 between oil water separator 13 and the condenser 15; Be provided with the 3rd electromagnetically operated valve 16 between oil water separator 13 and the negative-pressure adsorption jar 17; Be provided with the 4th electromagnetically operated valve 20 between double-direction gearpump 19 and the malleation adsorption tanks 22, be provided with the 5th electromagnetically operated valve 23 between malleation adsorption tanks 22 and the tertiary filter 24.
Be provided with first Pressure gauge 8 between described primary filter 5 and the heater 9; Be provided with second Pressure gauge 10 between heater 9 and the atomising device 12; Be provided with the 3rd Pressure gauge 18 between negative-pressure adsorption jar 17 and the double-direction gearpump 19, be provided with the 4th Pressure gauge 21 between double-direction gearpump 19 and the malleation adsorption tanks 22.
Described condenser 15 is connected with negative pressure pump 27.
Described malleation adsorption tanks 22 are provided with relief valve 29.
Described oil water separator 13 is provided with infrared liquid level gauge 30.
Described electromagnetically operated valve, Pressure gauge and control computer 25, actuator 26 are connected.
Operation principle of the present invention is:
Transformer oil is situated between when decreasing processing unit work, and fluid gets into primary filter 5 through inlet under the effect of inside and outside differential pressure, and large granular impurity is by filtering; Fluid to only temperature, is about 76.5 degree through multistage infrared heating, confirms according to the equilibrium condition of transformer; Fluid forms earlier vaporific in vacuum separator, forms membranaceously again, makes its contact area in a vacuum expand as original hundreds of times; Moisture in the oil is vaporized fast under the condition on high heat, condition of high vacuum degree, big surface and is discharged by vacuum system; Aqueous vapor by vacuum separator is discharged at first behind condenser 15 cool-down dehumidifications, gets into cooling once more in the cooler, and condensed water gets in the water receiver and discharges, and the gas behind twice dehumidification by condensation is arranged in the air by vacuum pump at last; Fluid gets into negative-pressure adsorption jar 17, its pressure about-0.25MPa, fluid with jar in escaping gas form bubble through spraying, infiltrate the adsorbent bed in the tank body, fully contact with adsorbent; Fluid is heated to about 85 degree in pipeline, be forced into 1.5MPa, and seepage flow gets into malleation adsorption tanks 22, and fluid gets into the adsorbent bed in the tank body with the form of submergence; Fluid filters through tertiary filter 24, is cooled to identically with transformer inlet oil temperature, under the effect of pump, flows back to the transformer body.
The concrete course of work is:
Oil-feed electromagnetically operated valve 3 is connected with the transformer oil inlet and outlet with oil return solenoid valve 2; Open first hand-operated valve 6, second hand-operated valve 7; Open oil return solenoid valve 2, meta electromagnetically operated valve 4, the first, the 3rd electromagnetically operated valve; Under the effect of double-direction gearpump 19, just change; Open heater 9; Fluid gets into oily-water seperating equipment 13 through oil return solenoid valve 2, meta electromagnetically operated valve 4, primary filter 5, heater 9, atomising device 12 in the transformer, treats to stop when oil level reaches low level in the oily-water seperating equipment 13; Close meta electromagnetically operated valve 4; Open oil-feed electromagnetically operated valve 3, double-direction gearpump 19 continues the positive direction operation, and fluid gets into oily-water seperating equipment 13 through oil-feed electromagnetically operated valve 3, primary filter 5, heater 9, atomising device 12; When treating that oil level reaches meta in the oily-water seperating equipment 13, close first electromagnetically operated valve; Open the 4th electromagnetically operated valve, double-direction gearpump 19 continues operation, keeps watch on the 4th Pressure gauge, when malleation adsorption tanks 22 hypertonia, opens relief valve 29 pressure releases; Keep watch on the 3rd Pressure gauge,, open first electromagnetically operated valve when pressure during less than-0.2Mpa; Fluid gets into oily-water seperating equipment 13 membranizations through atomising device 12 atomizings, and aqueous vapor and fuel gas are overflowed fast; Concentrate on the top of oily-water seperating equipment 13; When oil level is lower than 1/2 meta, open negative pressure pump 27, extract moisture out; Close the 3rd electromagnetically operated valve, making negative-pressure adsorption jar 17 pressure is negative pressure, opens the 3rd electromagnetically operated valve; Make the fluid after dehydration, the degassing spray get into negative-pressure adsorption jar 17; This process lasts till that oily-water seperating equipment 13 liquid levels finish when arriving low level, and open the 5th electromagnetically operated valve this moment, and fluid is through the 5th electromagnetically operated valve inflow filter in the malleation adsorption tanks 22; Flow back to transformer 1 body through oil return solenoid valve 2, single treatment finishes.Close the 5th electromagnetically operated valve, open the first, the 3rd electromagnetically operated valve, under double-direction gearpump 19 positive actings, the beginning oil suction, beginning is handled for the second time.So back and forth.Each oil suction is at 300-500ml.
Claims (7)
1. online transformer oil dielectric loss processing unit; Comprise transformer (1), it is characterized in that: the oil-feed electromagnetically operated valve (3) of transformer (1) passes through oil return solenoid valve (2) UNICOM of primary filter (5), heater (9), atomising device (12), oil water separator (13), negative-pressure adsorption jar (17), double-direction gearpump (19), malleation adsorption tanks (22), tertiary filter (24) and transformer (1) successively;
Be provided with second hand-operated valve (7) between oil-feed electromagnetically operated valve (3) and the primary filter (5); Be provided with first hand-operated valve (6) between tertiary filter (24) and the transformer (1), the pipeline between second hand-operated valve (7), the primary filter (5) is through the pipeline UNICOM between meta electromagnetically operated valve (4) and first hand-operated valve (6), the tertiary filter (24).
2. a kind of online transformer oil dielectric loss processing unit according to claim 1; It is characterized in that: be provided with first electromagnetically operated valve (11) between described heater (9) and the atomising device (12); Be provided with second electromagnetically operated valve (14) between oil water separator (13) and the condenser (15); Be provided with the 3rd electromagnetically operated valve (16) between oil water separator (13) and the negative-pressure adsorption jar (17); Be provided with the 4th electromagnetically operated valve (20) between double-direction gearpump (19) and the malleation adsorption tanks (22), be provided with the 5th electromagnetically operated valve (23) between malleation adsorption tanks (22) and the tertiary filter (24).
3. a kind of online transformer oil dielectric loss processing unit according to claim 1; It is characterized in that: be provided with first Pressure gauge (8) between described primary filter (5) and the heater (9); Be provided with second Pressure gauge (10) between heater (9) and the atomising device (12); Be provided with the 3rd Pressure gauge (18) between negative-pressure adsorption jar (17) and the double-direction gearpump (19), be provided with the 4th Pressure gauge (21) between double-direction gearpump (19) and the malleation adsorption tanks (22).
4. a kind of online transformer oil dielectric loss processing unit according to claim 2, it is characterized in that: described condenser (15) is connected with negative pressure pump (27).
5. a kind of online transformer oil dielectric loss processing unit according to claim 1, it is characterized in that: described malleation adsorption tanks (22) are provided with relief valve (29).
6. a kind of online transformer oil dielectric loss processing unit according to claim 1, it is characterized in that: described oil water separator (13) is provided with infrared liquid level gauge (30).
7. according to claim 2 and 3 described a kind of online transformer oil dielectric loss processing unit, it is characterized in that: described electromagnetically operated valve, Pressure gauge and control computer (25), actuator (26) are connected.
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 |
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| Publication Number | Publication Date |
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| CN102592786A true CN102592786A (en) | 2012-07-18 |
| CN102592786B CN102592786B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185519A (en) * | 2015-07-29 | 2015-12-23 | 国网山东省电力公司电力科学研究院 | Online monitoring and purifying system for transformer oil |
| CN105374518A (en) * | 2015-11-29 | 2016-03-02 | 国网吉林省电力有限公司电力科学研究院 | Elimination method for microorganisms in transformer oil |
| CN105810405A (en) * | 2016-05-06 | 2016-07-27 | 国网天津市电力公司 | Transformer oil processing 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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2012
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185519A (en) * | 2015-07-29 | 2015-12-23 | 国网山东省电力公司电力科学研究院 | Online monitoring and purifying system for transformer oil |
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| 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 |
| CN105810405A (en) * | 2016-05-06 | 2016-07-27 | 国网天津市电力公司 | Transformer oil processing 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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| CN102592786B (en) | 2016-12-14 |
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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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Date of cancellation: 20191225 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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