CN201425590Y - Vacuum degassing device for insulating oil on-line chromatographic analysis - Google Patents
Vacuum degassing device for insulating oil on-line chromatographic analysis Download PDFInfo
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- CN201425590Y CN201425590Y CN2009200443911U CN200920044391U CN201425590Y CN 201425590 Y CN201425590 Y CN 201425590Y CN 2009200443911 U CN2009200443911 U CN 2009200443911U CN 200920044391 U CN200920044391 U CN 200920044391U CN 201425590 Y CN201425590 Y CN 201425590Y
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- 238000004587 chromatography analysis Methods 0.000 title abstract description 7
- 238000009849 vacuum degassing Methods 0.000 title abstract description 7
- 238000004458 analytical method Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007872 degassing Methods 0.000 abstract description 22
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000007654 immersion Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 26
- 238000005516 engineering process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000011067 equilibration Methods 0.000 description 8
- 239000002828 fuel tank Substances 0.000 description 7
- 208000018672 Dilatation Diseases 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
A vacuum degassing device for insulating oil on-line chromatographic analysis relates to a vacuum degassing device for insulating oil on-line chromatographic analysis, which is applicable to an oil immersion electrical device, such as a transformer, a reactor and the like, on-line vacuum degassing is carried out in an oil chromatographic on-line monitoring system, wherein the output end of an airpump (1) is divided into two ways which are respectively connected with the input ends of a first two-step five-way valve (V7) and a second two-step five-way valve (V8). The output end of a first oilfiler (2) is connected with the first oil circuit interface of a degassing chamber (8) through an oil pump (12) and a first electromagnetic valve (V1). A second oil filter (3) is connected with the third oil circuit interface of the degassing chamber (8) through a second electromagnetic valve (V2). A fifth electromagnetic valve (V5), an sixth electromagnetic valve (V6), a six-way valve loop (11) and a fourth electromagnetic valve (V4) are connected in series. A first driving cylinder (4) is linked with an gas cylinder (6) by a connecting rod. A second driving air cylinder (5) and a second oilcircuit interface are linked with an oil cylinder (7) through another connecting rod.
Description
Technical field
The utility model relates to a kind of vacuum degasser of insulating oil on-line chromatograph analysis usefulness, is applicable to immersed electric apparatus oil, as transformer, reactor etc., online vacuum outgas in the oil chromatography on-line monitoring system.
Background technology
Routine Test Lab oil immersed electric apparatus oil stratographic analysis experiment must be carried out this link of the degassing in the oil earlier, promptly extract the oil sample of certain volume from on-the-spot transformer, get back to and utilize special degasser that gas is spun off from transformer oil in the laboratory earlier, could analyze experiment gas.The oil sample that the degassing is finished is generally directly outwelled as waste oil.
The on-line chromatograph analysis of immersed electric apparatus oil insulating oil must realize that oil sample takes a sample automatically, and oil gas is analyzed automatically, and the automatic oil return sample is to links such as fuel tanks.Common technology has the film degassing, dynamic head space degassing method, vacuum outgas method etc. at present.
Film degassing technology is used for the on-line chromatograph analysis of immersed electric apparatus oil insulating oil, exists the gas and oil equilibration time long, generally more than 4 hours.Device is installed in the scene for the first time, and the gas and oil equilibration time can be longer even reaches tens hours; Membrane lifetime is limited in addition, influences it and uses for a long time at the scene.Film degassing principle degassing efficiency is not high, is unfavorable for the measurement of low concentration content gas in the oil.Dynamically in the head space method degasification process, carrier gas must be blown into carries out the dissolved gas wash-out in the oil, and oil sample is subjected to polluting and can not gets back in the electrical equipment fuel tank, brings defective to on-line monitoring system.
Present vacuum degassing technology, most gas composition degassing rates can realize " the full degassing " of oil sample greater than 90% in the oil.The vacuum outgas method has also been avoided limited, the long problem of gas and oil equilibration time of membrane lifetime in the film degassing technology, and the gas-oil separation time only needed to finish in 10 minutes.The automatic deaerating sampling device that the dielectric oil chromatographic analysis of realizing among the patent ZL 200520087372.9 is used, adopt the membrane pump dilatation, and being aided with the degassing technology of the oil dissolved gas that a kind of full degassing mode that the gas washing technology combines carries out, this technology is mainly used in breadboard oil dissolved gas stratographic analysis experiment.Owing to there is a tonifying Qi link, oil sample is formed pollute, the oil sample that has at every turn taken off gas will enter waste oil and store in the filling and preserves, and oil sample will consume the gas equipment fuel tank of can not wiring back at every turn, and this technology also is not suitable for the on-line chromatograph analysis of insulating oil.
The automatic deaerating sampling device that the dielectric oil chromatographic analysis of realizing among the patent ZL 200520087372.9 is used must outer be joined the function that vacuumizes of a vacuum pump realization system that can reach the certain vacuum degree, this vacuum pump volume is huge, noise is big, and the automatic deaerating sampling device of being made up of it is not suitable for the on-line chromatograph analysis of insulating oil yet.
Summary of the invention
Technical matters: the purpose of this utility model provides a kind of vacuum degasser of insulating oil on-line chromatograph analysis usefulness, and the existing film degassing technology gas and oil equilibration time of solution is long, and membrane lifetime is limited, the problem that degassing efficiency is low; Solve dynamic head space degassing method and existing laboratory vacuum degassing technology, oil sample is formed pollute, detected oil sample and can not get back to the electrical equipment fuel tank, and be not suitable for the utilization of on-line chromatograph analysis occasion.
Technical scheme: in the vacuum degasser of insulating oil on-line chromatograph analysis usefulness of the present utility model, the air delivery side of pump is divided into two-way, connect the input end of the first two five-way valves, the second two five-way valves respectively, the output termination first of the first two five-way valves drives cylinder, and the output termination second of the second two five-way valves drives cylinder;
The output terminal of first oil strainer connects the first oil circuit interface of degas chamber by oil pump, first solenoid valve, and the second oil circuit interface of degas chamber is communicated with oil cylinder;
Second oil strainer connects the 3rd oil circuit interface of degas chamber by second solenoid valve, and the top of degas chamber connects the 5th solenoid valve, the 6th solenoid valve and air feed cylinder respectively by the 3rd solenoid valve;
The 5th solenoid valve, the 6th solenoid valve, six-way valve quantity tube, the 4th solenoid valve are connected in series in proper order, and the bottom that stirring motor is positioned at degas chamber drives the stirrer that is positioned at degas chamber;
The first driving cylinder and air feed cylinder are linked by connecting rod, and second drives the cylinder and the second oil circuit interface and oil cylinder by another connecting rod interlock.
Pneumatic pump is connected with two driving cylinders respectively by two two five-way valves, by two five-way valves air source is done commutation and handles, and realize driving axial two reverse motions in the cylinder, thereby drive oil cylinder and cylinder is respectively to the bar side being arranged and not having the bar lateral movement; Two oil strainers are installed on device respectively into and out of hydraulic fluid port, the oil pump import is connected with fuel tank by oil strainer, the oil pump outlet is connected with degas chamber by supporting solenoid valve, degas chamber is connected with oil export by solenoid valve, oil strainer, rotate by oil pump, the realization electrical equipment draws oil sample to circulate and upgrades; The constant temperature degas chamber is formed constant temperature degassing mixing component with stirring motor, stirrer and supporting solenoid valve; Oil cylinder is connected with the constant temperature degas chamber by oil pipe, forms to vacuumize assembly; Cylinder is connected with degas chamber by supporting solenoid valve, is connected with the six-way valve quantity tube by supporting solenoid valve, is connected with the emptying end by solenoid valve.
The know-why that the utility model is realized is: device adopts similar holder to rein in the pump ratio juris, allow insulating oil be in the vacuum tank interior (constant temperature degas chamber) of a sealing, under the effect of steady temperature (as 50 ℃), vacuum and stirring, the space of entire container can be separated out and be full of to gas in the oil from oil.By the volume (by oil cylinder 7 dilatations) that strengthens this space more gas is separated out from oil.Behind the gas and oil equilibration, vacuumize principle, bubbing from oil is transferred to the six-way valve quantity tube, thereby realize that bubbing shifts and concentrating function by the similar vacuum pump of cylinder.
Beneficial effect: in the whole Vacuum Degassing Process of the utility model, do not have " tonifying Qi " link, can not form and pollute, utilize the oil pump circulatory function in the device oil sample, thereby can make things convenient for sampling, counter sample and renewal to detecting oil sample, device is fit to the on-line chromatograph analysis of insulating oil and uses.
Adopt the oil cylinder dilatation way to substitute membrane pump dilatation among the patent ZL 200520087372.9, cylinder replaces patent ZL 200520087372.9 intermediate pumps, and the device overall volume reduces greatly, and the on-the-spot on-line analysis that is fit to insulating oil is used.Owing to adopt the vacuum outgas principle, the gas and oil equilibration time only needs 10 minutes, compares with film degassing technology, and the gas and oil equilibration time is short, the degassing efficiency height.Compare with dynamic head space degassing technology, do not have the oil sample pollution problem, this be suitable for novel device remove can the laboratory carry out dielectric oil chromatographic analysis with, be more suitable for the on-line chromatograph analysis purposes of insulating oil.
The utility model adopts cylinder, oil cylinder to substitute the vacuum pump in the vacuum degasser of laboratory in addition, makes a whole set of vacuum degasser volume dwindle greatly, is applicable to the on-line monitoring system of on-line chromatograph analysis usefulness.
Description of drawings
Fig. 1 is the synoptic diagram of the vacuum degasser of insulating oil on-line chromatograph analysis usefulness.
Have among the above figure: pneumatic pump 1; First oil strainer 2, second oil strainer 3; First drives cylinder 4, second drives cylinder 5; Air feed cylinder 6; Oil cylinder 7; Degas chamber 8; Stirring motor 9; Stirrer 10; Six-way valve quantity tube 11; Oil pump 12; The first solenoid valve V1, the second solenoid valve V2, the 3rd solenoid valve V3, the 4th solenoid valve V4, the 5th solenoid valve V5, the 6th solenoid valve V6; The first two five-way valve V7, the second two five-way valve V8.
Embodiment
In the structure of the vacuum degasser of insulating oil on-line chromatograph analysis usefulness of the present utility model, the output terminal of pneumatic pump 1 is divided into two-way, connect the input end of the first two five-way valve V7, the second two five-way valve V8 respectively, the output termination second that the output termination first of the first two five-way valve V7 drives 4, the second two five-way valve V8 of cylinder drives cylinder 5;
The output terminal of first oil strainer 2 connects the first oil circuit interface of degas chamber 8 by oil pump 12, the first solenoid valve V1, and the second oil circuit interface of degas chamber 8 is communicated with oil cylinder 7;
The first solenoid valve V5, the first solenoid valve V6, six-way valve quantity tube 11, the first solenoid valve V4 are connected in series in proper order, and the bottom that stirring motor 9 is positioned at degas chamber 8 drives the stirrer 10 that is positioned at degas chamber 8;
Below by specific embodiment this suitable new device is further described.1 workflow of the present utility model is as follows with reference to the accompanying drawings:
Device into and out of hydraulic fluid port with after electrical equipment fuel tank valve is connected, open electrical equipment fuel tank valve, carry out automatic flow control by control circuit board, at first, carry out the renewal and the circulation of oil sample, oil pump 12 and stirring motor 9 rotate, open the first solenoid valve V1, the second solenoid valve V2, oil cylinder 7 is to there being bar side direction action once to return then, stops operating with rear pump or output pump and stirring motor in 5 minutes, closes the first solenoid valve V1, the second solenoid valve V2.This flow process can be cleaned and replace Residual oil in degas chamber, oil cylinder and the pipeline.Open the 4th solenoid valve V4, the 5th solenoid valve V5, the 6th solenoid valve V6, cylinder 6 comes and goes action twice to the bar side being arranged and not having the bar side respectively, carries out quantity tube and subsidiary pipeline and cleans.
After cleaning process is finished, carry out the vacuum outgas flow process, oil cylinder 7 is when having the motion of bar side direction, pasta descends in the degas chamber 8, the dilatation of degas chamber volume, and stirring motor begins to rotate, stirring motor 9 stops operating after 8 minutes, and oil dissolved gas is separated out and reached gas and oil equilibration.
After vacuum outgas was finished, the 3rd solenoid valve V3, the 6th solenoid valve V6 opened, and oil cylinder 7 moves to no bar side direction, pushed six-way valve quantity tube 11 taking off the gas major part in the degas chamber 8.Close the 6th solenoid valve V6, open the 3rd solenoid valve V3, cylinder 6 is to the action of bar side direction is arranged, close the 3rd solenoid valve V3, open the 6th solenoid valve V6, cylinder 6 moves to no bar side direction, repeats as above to move twice, cylinder also is pushed in the six-way valve quantity tube 11 at pipe section deviating from gas residue, has realized that gas shifts and concentrating function.As above process has promptly been finished once complete vacuum outgas flow process, and gas is kept in the quantity tube 11, and the wait detection system is carried out the sample introduction analysis.
Claims (1)
1. the vacuum degasser of an insulating oil on-line chromatograph analysis usefulness, it is characterized in that in this device, the output terminal of pneumatic pump (1) is divided into two-way, connect the input end of the first two five-way valves (V7), the second two five-way valves (V8) respectively, the output termination first of the first two five-way valves (V7) drives cylinder (4), and the output termination second of the second two five-way valves (V8) drives cylinder (5);
The output terminal of first oil strainer (2) connects the first oil circuit interface of degas chamber (8) by oil pump (12), first solenoid valve (V1), and the second oil circuit interface of degas chamber (8) is communicated with oil cylinder (7);
Second oil strainer (3) connects the 3rd oil circuit interface of degas chamber (8) by second solenoid valve (V2), and the top of degas chamber (8) connects the 5th solenoid valve (V5), the 6th solenoid valve (V6) and air feed cylinder (6) respectively by the 3rd solenoid valve (V3);
The 5th solenoid valve (V5), the 6th solenoid valve (V6), six-way valve quantity tube (11), the 4th solenoid valve (V4) order are connected in series, and the bottom that stirring motor (9) is positioned at degas chamber (8) drives the stirrer (10) that is positioned at degas chamber (8);
First drives cylinder (4) is linked by connecting rod with air feed cylinder (6), and second drives the cylinder (5) and the second oil circuit interface and oil cylinder (7) by another connecting rod interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200443911U CN201425590Y (en) | 2009-06-05 | 2009-06-05 | Vacuum degassing device for insulating oil on-line chromatographic analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200443911U CN201425590Y (en) | 2009-06-05 | 2009-06-05 | Vacuum degassing device for insulating oil on-line chromatographic analysis |
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| Publication Number | Publication Date |
|---|---|
| CN201425590Y true CN201425590Y (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200443911U Expired - Fee Related CN201425590Y (en) | 2009-06-05 | 2009-06-05 | Vacuum degassing device for insulating oil on-line chromatographic analysis |
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| CN (1) | CN201425590Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832984A (en) * | 2010-05-11 | 2010-09-15 | 宁波市锦泰橡塑有限公司 | Single-cylinder drive selective channel device of multiported valve |
| CN102654118A (en) * | 2012-05-06 | 2012-09-05 | 江苏有能电力自动化有限公司 | Vacuumizing device of expansion type oil-gas separation pipeline |
| CN102680611A (en) * | 2012-05-13 | 2012-09-19 | 江苏有能电力自动化有限公司 | Novel fully-automatic vacuum mixing and degassing device |
| CN103616274A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Pretreatment device and pretreatment method for transformer oil |
| CN105223277A (en) * | 2015-11-20 | 2016-01-06 | 江苏有能电力自动化有限公司 | A kind of novel transformer oil chromatography on-Line Monitor Device |
| CN107247108A (en) * | 2017-07-04 | 2017-10-13 | 四方特变电工智能电气有限公司 | Transformer oil monitors highly enriched vacuum gas and oil separating plant and method on-line |
| CN107703241A (en) * | 2017-11-06 | 2018-02-16 | 福建和盛高科技产业有限公司 | Six-way valve structure and its application method for the detection of oil gas chromatogram monitoring |
| CN107831254A (en) * | 2017-12-05 | 2018-03-23 | 国网江苏省电力公司南通供电公司 | A kind of Gases Dissolved in Transformer Oil piece-rate system |
| CN108508120A (en) * | 2018-04-12 | 2018-09-07 | 大连世有电力科技有限公司 | The quantitative inlet duct of chromatography online monitoring system for transformer oil |
| CN110426465A (en) * | 2019-07-08 | 2019-11-08 | 长园深瑞监测技术有限公司 | A kind of transformer oil chromatographic degasser and its control method |
| CN114324238A (en) * | 2021-12-30 | 2022-04-12 | 深圳市林科电气发展有限公司 | Gas detection device and detection method for direct-connected transformer oil |
-
2009
- 2009-06-05 CN CN2009200443911U patent/CN201425590Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832984A (en) * | 2010-05-11 | 2010-09-15 | 宁波市锦泰橡塑有限公司 | Single-cylinder drive selective channel device of multiported valve |
| CN101832984B (en) * | 2010-05-11 | 2012-08-01 | 宁波市锦泰橡塑有限公司 | Single-cylinder drive selective channel device of multiported valve |
| CN102654118A (en) * | 2012-05-06 | 2012-09-05 | 江苏有能电力自动化有限公司 | Vacuumizing device of expansion type oil-gas separation pipeline |
| CN102680611A (en) * | 2012-05-13 | 2012-09-19 | 江苏有能电力自动化有限公司 | Novel fully-automatic vacuum mixing and degassing device |
| CN103616274A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Pretreatment device and pretreatment method for transformer oil |
| CN105223277B (en) * | 2015-11-20 | 2017-07-18 | 江苏有能电力自动化有限公司 | A kind of novel transformer oil chromatography on-Line Monitor Device |
| CN105223277A (en) * | 2015-11-20 | 2016-01-06 | 江苏有能电力自动化有限公司 | A kind of novel transformer oil chromatography on-Line Monitor Device |
| CN107247108A (en) * | 2017-07-04 | 2017-10-13 | 四方特变电工智能电气有限公司 | Transformer oil monitors highly enriched vacuum gas and oil separating plant and method on-line |
| CN107703241A (en) * | 2017-11-06 | 2018-02-16 | 福建和盛高科技产业有限公司 | Six-way valve structure and its application method for the detection of oil gas chromatogram monitoring |
| CN107831254A (en) * | 2017-12-05 | 2018-03-23 | 国网江苏省电力公司南通供电公司 | A kind of Gases Dissolved in Transformer Oil piece-rate system |
| CN108508120A (en) * | 2018-04-12 | 2018-09-07 | 大连世有电力科技有限公司 | The quantitative inlet duct of chromatography online monitoring system for transformer oil |
| CN108508120B (en) * | 2018-04-12 | 2023-09-19 | 大连世有电力科技有限公司 | Quantitative air inlet device for transformer oil chromatographic online monitoring system |
| CN110426465A (en) * | 2019-07-08 | 2019-11-08 | 长园深瑞监测技术有限公司 | A kind of transformer oil chromatographic degasser and its control method |
| CN114324238A (en) * | 2021-12-30 | 2022-04-12 | 深圳市林科电气发展有限公司 | Gas detection device and detection method for direct-connected transformer oil |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
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Owner name: NANJING QINENG ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU KUN Effective date: 20110218 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210036 NO. 418, JIANGDONG NORTH ROAD, NANJING CITY, JIANGSU PROVINCE TO: 210048 NO. 8, TAIZISHAN ROAD, YANJIANG DEVELOPMENT AREA, NANJING CITY, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110218 Address after: 210048 No. 8 Taizi mountain road, Yanjiang Development Zone, Jiangsu, Nanjing Patentee after: Nanjing Qineng Electric Technology Co., Ltd. Address before: 210036 No. 418 Jiangdong North Road, Jiangsu, Nanjing Patentee before: Xu Kun |
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| C56 | Change in the name or address of the patentee |
Owner name: CHANGYUAN SHENRUI MONITORING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING QINENG ELECTRONICS TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 210048 No. 8 Taizi mountain road, Yanjiang Development Zone, Jiangsu, Nanjing Patentee after: CYG SUNRI MONITORING TECHNOLOGY CO., LTD. Address before: 210048 No. 8 Taizi mountain road, Yanjiang Development Zone, Jiangsu, Nanjing Patentee before: Nanjing Qineng Electric Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20150605 |
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| EXPY | Termination of patent right or utility model |