CN102198340A - Electronic-magnetic-stirring-based oil-gas separation device - Google Patents
Electronic-magnetic-stirring-based oil-gas separation device Download PDFInfo
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- CN102198340A CN102198340A CN2011100884901A CN201110088490A CN102198340A CN 102198340 A CN102198340 A CN 102198340A CN 2011100884901 A CN2011100884901 A CN 2011100884901A CN 201110088490 A CN201110088490 A CN 201110088490A CN 102198340 A CN102198340 A CN 102198340A
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Abstract
The invention provides an electronic-magnetic-stirring-based oil-gas separation device, which can be applied in the field of on-line monitoring of transformer oil. The oil-gas separation device comprises an oil-gas separation chamber connected with transformer body oil and a gas detection unit, and a piston device for vacuumizing the oil-gas separation chamber, wherein the oil-gas separation chamber is connected with the gas detection unit through a cold trap; and an electronic magnetic stirrer is arranged at the bottom of the oil-gas separation chamber. The electronic-magnetic-stirring-based oil-gas separation device integrates oil cycle sampling, electronic magnetic stirring degassing and the cold trap, radically avoids oil-gas pollution on a chromatographic detection unit, realizes a maintenance-free system, has the advantages of low cost, long service life, high stability and the like, and has an obvious effect higher than that of a traditional degassing mode.
Description
Technical field
The present invention relates in particular to a kind of gas and oil separating plant that is used for the transformer oil on-line monitoring system.
Background technology
At present, the transformer oil on-line monitoring is used widely in power industry.This monitoring pattern at first must be realized effectively breaking away to the failure gas that is dissolved in the transformer oil, again the failure gas of separating is carried out chromatography as sample gas.Traditional degassing mode has: methods such as the membrane equilibrium degassing, the vibration degassing, vacuum outgas.The membrane equilibrium degassing time is long, degassing efficiency is low; The vibration degassing is the incomplete degassing under certain constant temperature, and the time is short, efficient is low, poor repeatability, is subject to condition effect such as temperature, pressure, concentration; The vacuum outgas time is short, efficient is high, but the vacuum of the pure vacuum degassing is subjected to the influence of vacuum plant complexity to be difficult for guaranteeing, influences the system stability performance.
Through the retrieval of prior art is found, number of patent application is 98241936.8, Granted publication number a kind of for having put down in writing in the Chinese utility model patent specification of CN2347169 " transformer oil chromatographic analysis with full-automatic degassing thermostat "; Number of patent application is to have put down in writing a kind of " self adaptation oil chromatography vacuum degasser " in the Chinese utility model patent specification of CN201454167.U 200920075510.X, Granted publication number.The degassing pattern of being put down in writing in the middle of the above-mentioned documents is not all carried out post processing to the failure gas of separating, inevitably the oil vapour pollution problem with the laboratory chromatographic technique is brought in the on-line monitoring system, can't satisfy on-line monitoring system good stability, long, non-maintaining specification requirement of life-span.
Summary of the invention
The objective of the invention is to defective, provide that a kind of cost is low, life-span length, good stability, the gas and oil separating plant that is used for transformer online monitoring that efficient is high at prior art.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: design a kind of gas and oil separating plant that stirs based on electronic magnetic, comprise: the Oil-gas Separation chamber that links to each other with transformer body oil and gas detection cell, be used for the piston apparatus found time in described Oil-gas Separation chamber, described Oil-gas Separation chamber links to each other with described gas detection cell by cold-trap, and the bottom of this Oil-gas Separation chamber is provided with the electronic magnetic agitator.Described cold-trap has comprised condenser and has been arranged on the radiating subassembly in this condenser outside, described condenser inside is provided with condensation chamber and cooling assembly, described condensation chamber links to each other with the divided gas flow outlet of described Oil-gas Separation chamber by air inlet, and this condensation chamber links to each other with described gas detection cell by the gas outlet.Described condensation chamber also realizes that by evacuation port and condensation chamber emptying the unit links to each other, and links to each other with the condensation chamber compress cell by boost port.Be provided with the air inlet magnetic valve between described air inlet and the outlet of described divided gas flow, be provided with the magnetic valve of giving vent to anger between described gas outlet and the described gas detection cell, be provided with boost electromagnetic valve between described boost port and the described condensation chamber compress cell, described evacuation port and described condensation chamber emptying realize being provided with between the unit the empty magnetic valve of pump drainage.Described magnetic valve all can adopt Japanese CKD through type two-way valve.Described condensation chamber emptying realizes that the unit can adopt the diaphragm type drain pump, and for example German triumphant grace inspires confidence in the KNF diaphragm type drain pump that pump industry group company produces.Described condensation chamber compress cell can inject high purity nitrogen in condensation chamber, so that the oil gas analysis is sampled smoothly.
Described cooling assembly has comprised temperature sensor, semiconductor chilling plate, heat-insulation layer and singlechip controller.Described radiating subassembly has comprised refrigerating fluid circulating pump and pipeline and fan.Described semiconductor chilling plate can be two groups of single crystal semiconductor refrigerators, and its size can be 40*40mm; Described heat-insulation layer can be made up of thermal insulation foaming agent and cold drawing plastic jetting shell.
Also be provided with oily temperature control unit on the wall body of described Oil-gas Separation chamber, this oil temperature control unit has comprised heating rod, temperature sensor and temperature controller.Described heating rod can adopt the flatiron thermal resistance of 20W, and described temperature sensor can adopt RTD (PT100) temperature sensor, and described temperature controller can adopt the TTM-1 of Japanese firm temperature controller.
Described radiating subassembly has comprised refrigerating fluid circulating pump and pipeline and fan.
Described electronic magnetic agitator is fixed on the bottom of described Oil-gas Separation chamber.The electronic magnetic agitator that this electronic magnetic agitator can adopt frequency sweep circuit to control.
The oil inlet end of described Oil-gas Separation chamber is provided with oil pump and inlet valve, and oil revolving end is provided with oil return valve; The inside of this Oil-gas Separation chamber has grease chamber and air chamber, forms the pasta cone space between described grease chamber and the air chamber, enters cold-trap to prevent oil because of device inclined, and described air chamber links to each other with described cold-trap by the divided gas flow outlet.
The described piston apparatus that is used for being found time in the Oil-gas Separation chamber can realize that this stepper motor can be the fixedly shaft type bipolar stepping motor of Single-chip Controlling operation by the stepper motor that direct sealing is installed on the Oil-gas Separation chamber.
Oil-collecting circulating sampling of the present invention, electronic magnetic stir the degassing, cold-trap in one, stir the disengaging that realizes failure gas in the oil by the backflow that the rotating electron field of magnetic forece forms in solution, and employing cold-trap structure, under the uniform temperature condition, the dissolved gas that spins off is shunk cooling, and the C3 of condensation oil dissolved gas and above polymeric carbon chain component are analyzed the gaseous state component again, thoroughly avoid the pollution of oil gas, realize that really system is non-maintaining chromatographic column.The present invention has advantages such as cost is low, life-span length, good stability, and effect is apparently higher than the tradition pattern that outgases.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention.
Fig. 2 is the internal structure schematic diagram of Oil-gas Separation chamber.
Fig. 3 is the structural principle schematic diagram of oily temperature control unit.
Fig. 4 is the stereogram of cold-trap.
Fig. 5 is the transverse sectional view of cold-trap shown in Figure 4.
Fig. 6 be cold-trap shown in Figure 4 vertically partly cut open figure.
The specific embodiment
As shown in Figure 1, a kind of gas and oil separating plant that stirs based on electronic magnetic of the present invention has comprised Oil-gas Separation chamber 1, stepper motor 2, oily temperature control unit 3, electronic magnetic agitator 4, cold-trap 5 etc., cold-trap 5 is connected in Oil-gas Separation chamber 1 by admission line 16 respectively, be connected in gas detection cell 9 by outlet pipe 17, be connected in condensation chamber compress cell 10 by pressure pipeline 18, and be connected in condensation chamber emptying realization unit 7 by emptying pipe 19.
Referring to Fig. 2, the inside of Oil-gas Separation chamber 1 has grease chamber 110 and air chamber 111, be formed with the pasta cone space 112 that is round table-like between grease chamber 110 and the air chamber 111, preventing entering cold-trap 5 because of device inclined makes oil, air chamber 111 links to each other with cold-trap 5 by divided gas flow outlet 113.Grease chamber 110 is connected with transformer body grease chamber 8 with oil returning tube 12 by inflow pipeline 11, forms closed circuit oil circulating system, and wherein inflow pipeline 11 and oil returning tube 12 can adopt Φ 6MM copper tube.Grease chamber 110 also links to each other with stepper motor 2 by steam vent 116, stepper motor 2 directly seals the top that is installed in Oil-gas Separation chamber 1 by workpiece, be used for being found time in Oil-gas Separation chamber 1, this stepper motor 2 adopts fixedly shaft type bipolar stepping motor, by designing piston piece certainly, move by Single-chip Controlling.Inflow pipeline 11 is provided with oil pump 13 and inlet valve 14, and oil returning tube 12 is provided with oil return valve 15.Oil pump 13 links to each other with the oil-in 114 of grease chamber 110 by inlet valve 14, and oil return valve 15 is directly connected in the oil-out 115 of grease chamber 110, and oil pump 13, oil return valve 15 link to each other with transformer body grease chamber 8.Electronic magnetic agitator 4 is fixed on the bottom of Oil-gas Separation chamber 1, is mainly used to produce rotating excitation field.This electronic magnetic agitator 4 adopts frequency sweep circuit to control.
Referring to Fig. 3, oily temperature control unit 3 is installed on the wall body inside of Oil-gas Separation chamber 1, has comprised heating rod 31, temperature sensor 32 and temperature controller 33 etc.Described heating rod 31 can adopt the flatiron thermal resistance of 20W, and described temperature sensor 32 can adopt RTD (PT100) temperature sensor, and described temperature controller 33 can adopt Japanese TTM-1 temperature controller.
Referring to Fig. 1, Fig. 4 to Fig. 6, cold-trap 5 has comprised condenser 55 and has been arranged on refrigerating fluid circulating pump and the pipeline 56 and the fan 57 in these condenser 55 outsides, condenser 55 is a stainless steel workpiece, its inside is provided with condensation chamber 551 and cooling assembly 6, condensation chamber 55 links to each other with the divided gas flow outlet 113 of Oil-gas Separation chamber 1 by air inlet 552, link to each other with described gas detection cell 9 by gas outlet 553, realize that by evacuation port 554 and condensation chamber emptying unit 7 links to each other, link to each other with condensation chamber compress cell 10 by boost port 555.The condensation chamber emptying realizes that an end of unit 7 is connected in condensation chamber 55, and the other end is communicated with outside atmosphere to carry out exhaust.
Referring to Fig. 6, cooling assembly 6 has comprised temperature sensor 61, semiconductor chilling plate 62, heat-insulation layer 63 and singlechip controller 64.Wherein, semiconductor chilling plate 62 is the single crystal semiconductor refrigerator of two groups of 65W, and it is of a size of 40*40mm; Heat-insulation layer 63 is made up of thermal insulation foaming agent and cold drawing plastic jetting shell.Technological process is: to be sampled as example 10 o'clock sharps: magnetic valve 51,52,53,54 is in closed condition.
9:00 opens inlet valve 14 and oil return valve 15, starts oil pump 13.
9:40 closes inlet valve 14 and oil return valve 15, stops oil pump 13, starts stepper motor 2 simultaneously and vacuumizes, and starts electronic magnetic agitator 4.
9:45 opens emptying solenoid valve 54, starts the condensation chamber emptying and realizes unit 7(drain pump) emptying.
9:50 closes emptying solenoid valve 54, closes down the condensation chamber emptying and realizes unit 7, starts cold-trap 5 refrigeration simultaneously.
9:55 is closed down electronic magnetic agitator 4.
9:56 opens air inlet magnetic valve 51, start stepper motor 2 counter be pushed into the volume of finding time 80% after close down stepper motor 2, close air inlet magnetic valve 51; Start stepper motor 2 and the anti-raw bits that is pushed into, close down stepper motor 2, oily degasification process finishes.
10:00, beginning oil gas sampling analysis flow process.
The present invention can be to realize oil circulation-magnetic agitation--the degassing-condensation-sampling analysis flow process under the mode of operation at nobody.By simple structure and flow scheme design, significantly reduced the loss of sample gas, improved accuracy of detection.The use of cold-trap has realized the non-maintaining of this device and even whole detection system.
Need to prove that at last above-described only is preferred implementation of the present invention, concrete model, parameter, implementation step and operating process in the middle of the embodiment can not be interpreted as limiting the scope of the invention.For the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. based on the gas and oil separating plant of electronic magnetic stirring, comprising:
The Oil-gas Separation chamber that links to each other with transformer body oil and gas detection cell;
Be used for the piston apparatus found time in described Oil-gas Separation chamber;
It is characterized in that described Oil-gas Separation chamber links to each other with described gas detection cell by cold-trap, the bottom of this Oil-gas Separation chamber is provided with the electronic magnetic agitator.
2. the gas and oil separating plant that stirs based on electronic magnetic according to claim 1, it is characterized in that: described cold-trap has comprised condenser and the radiating subassembly that is arranged on this condenser, described condenser inside is provided with condensation chamber and cooling assembly, described condensation chamber links to each other with the divided gas flow outlet of described Oil-gas Separation chamber by air inlet, and this condensation chamber links to each other with described gas detection cell by the gas outlet.
3. the gas and oil separating plant that stirs based on electronic magnetic according to claim 2 is characterized in that: described condensation chamber also realizes that by evacuation port and condensation chamber emptying the unit links to each other.
4. according to claim 3 based on electronic magnetic stirring gas and oil separating plant, it is characterized in that: described condensation chamber also links to each other with the condensation chamber compress cell by boost port.
5. the gas and oil separating plant that stirs based on electronic magnetic according to claim 4, it is characterized in that: be provided with the air inlet magnetic valve between described air inlet and the outlet of described divided gas flow, be provided with the magnetic valve of giving vent to anger between described gas outlet and the described gas detection cell, be provided with boost electromagnetic valve between described boost port and the described condensation chamber compress cell, described evacuation port and described condensation chamber emptying realize being provided with emptying solenoid valve between the unit.
6. the gas and oil separating plant that stirs based on electronic magnetic according to claim 2, it is characterized in that: described cooling assembly has comprised temperature sensor, semiconductor chilling plate, heat-insulation layer and singlechip controller.
7. the gas and oil separating plant that stirs based on electronic magnetic according to claim 2, it is characterized in that: described radiating subassembly has comprised refrigerating fluid circulating pump and pipeline and fan.
8. the gas and oil separating plant that stirs based on electronic magnetic according to claim 1, it is characterized in that: also be provided with oily temperature control unit on the wall body of described Oil-gas Separation chamber, this oil temperature control unit has comprised heating rod, temperature sensor and temperature controller.
9. the gas and oil separating plant that stirs based on electronic magnetic according to claim 1, it is characterized in that: described electronic magnetic agitator is fixed on the bottom of described Oil-gas Separation chamber.
10. the gas and oil separating plant that stirs based on electronic magnetic according to claim 1, it is characterized in that: the oil inlet end of described Oil-gas Separation chamber is provided with oil pump and inlet valve, and oil revolving end is provided with oil return valve; The inside of this Oil-gas Separation chamber has grease chamber and air chamber, forms the pasta cone space between described grease chamber and the air chamber, and described air chamber links to each other with described cold-trap by the divided gas flow outlet.
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| CN2011100884901A CN102198340A (en) | 2011-04-08 | 2011-04-08 | Electronic-magnetic-stirring-based oil-gas separation device |
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| CN2011100884901A CN102198340A (en) | 2011-04-08 | 2011-04-08 | Electronic-magnetic-stirring-based oil-gas separation device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580357A (en) * | 2012-01-01 | 2012-07-18 | 吉林省电力有限公司白城供电公司 | Harmful gas separating device of oil-immersed power transformer |
| 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 |
| CN102682963A (en) * | 2012-05-23 | 2012-09-19 | 武陟县电业总公司 | Semiconductor refrigeration transformer |
| CN103293251A (en) * | 2013-05-28 | 2013-09-11 | 北京华电云通电力技术有限公司 | Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment |
| CN103424296A (en) * | 2013-08-19 | 2013-12-04 | 中国科学院电工研究所 | Vacuum-pump-free online separating system for gas in insulating oil |
| CN104028001A (en) * | 2014-06-05 | 2014-09-10 | 中国科学院电工研究所 | Insulating oil gas separation device with oil steam filtering and removing function |
| CN104028152A (en) * | 2014-06-23 | 2014-09-10 | 昆山和智电气设备有限公司 | Device for uniformly mixing gas and liquid |
| CN104133026A (en) * | 2014-08-13 | 2014-11-05 | 国家电网公司 | Oil pretreatment degassing method for gas chromatography of transformer insulating oil |
| CN104897816A (en) * | 2015-06-18 | 2015-09-09 | 云南电网有限责任公司文山供电局 | Online transformer oil chromatography monitoring system based on vacuum stirrer |
| CN107884404A (en) * | 2017-11-21 | 2018-04-06 | 国网福建省电力有限公司 | Dissolved acetylene gas content on-site rapid detection device in a kind of oil |
| CN110898466A (en) * | 2019-12-07 | 2020-03-24 | 陈龙刚 | Electromagnetic stirring separation device for biological pharmacy |
| CN113041654A (en) * | 2021-02-09 | 2021-06-29 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil-gas separation device |
| CN115201388A (en) * | 2022-08-01 | 2022-10-18 | 哈尔滨理工大学 | Intelligent sampling analysis system and sampling analysis method for methanol in transformer oil |
| CN116550013A (en) * | 2023-07-10 | 2023-08-08 | 广东电网有限责任公司佛山供电局 | Oil-gas separation device, method and oil chromatographic analysis device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223127Y (en) * | 1995-06-21 | 1996-03-27 | 北京远东仪表有限公司 | Direct-stirring degassing oil-filling device for remote liquid level pressure transducer |
| RU2113272C1 (en) * | 1996-02-28 | 1998-06-20 | Государственное научно-производственное предприятие "Агроэлектротерм" | Transformer oil reclaiming plant |
| CN101546646A (en) * | 2009-03-26 | 2009-09-30 | 上海交通大学 | On-line monitoring oil-gas separation device for transformer |
| CN201768400U (en) * | 2010-08-13 | 2011-03-23 | 珠海原铭电力设备有限公司 | Vacuum oil-gas separator for on-line monitoring of transformer |
| CN202096791U (en) * | 2011-04-08 | 2012-01-04 | 胡志敏 | Electronic magnetic stirring-based oil gas separation device |
-
2011
- 2011-04-08 CN CN2011100884901A patent/CN102198340A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223127Y (en) * | 1995-06-21 | 1996-03-27 | 北京远东仪表有限公司 | Direct-stirring degassing oil-filling device for remote liquid level pressure transducer |
| RU2113272C1 (en) * | 1996-02-28 | 1998-06-20 | Государственное научно-производственное предприятие "Агроэлектротерм" | Transformer oil reclaiming plant |
| CN101546646A (en) * | 2009-03-26 | 2009-09-30 | 上海交通大学 | On-line monitoring oil-gas separation device for transformer |
| CN201768400U (en) * | 2010-08-13 | 2011-03-23 | 珠海原铭电力设备有限公司 | Vacuum oil-gas separator for on-line monitoring of transformer |
| CN202096791U (en) * | 2011-04-08 | 2012-01-04 | 胡志敏 | Electronic magnetic stirring-based oil gas separation device |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580357A (en) * | 2012-01-01 | 2012-07-18 | 吉林省电力有限公司白城供电公司 | Harmful gas separating device of oil-immersed power transformer |
| CN102580357B (en) * | 2012-01-01 | 2014-03-12 | 东北电力大学 | Harmful gas separating device of oil-immersed power transformer |
| 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 |
| CN102682963B (en) * | 2012-05-23 | 2016-04-27 | 国家电网公司 | A kind of semiconductor refrigeration transformer |
| CN102682963A (en) * | 2012-05-23 | 2012-09-19 | 武陟县电业总公司 | Semiconductor refrigeration transformer |
| CN103293251A (en) * | 2013-05-28 | 2013-09-11 | 北京华电云通电力技术有限公司 | Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment |
| CN103424296A (en) * | 2013-08-19 | 2013-12-04 | 中国科学院电工研究所 | Vacuum-pump-free online separating system for gas in insulating oil |
| CN104028001B (en) * | 2014-06-05 | 2016-04-13 | 中国科学院电工研究所 | A kind of gases dissolved in insulation oil separator with filtering oil vapour function |
| CN104028001A (en) * | 2014-06-05 | 2014-09-10 | 中国科学院电工研究所 | Insulating oil gas separation device with oil steam filtering and removing function |
| CN104028152A (en) * | 2014-06-23 | 2014-09-10 | 昆山和智电气设备有限公司 | Device for uniformly mixing gas and liquid |
| CN104133026A (en) * | 2014-08-13 | 2014-11-05 | 国家电网公司 | Oil pretreatment degassing method for gas chromatography of transformer insulating oil |
| CN104133026B (en) * | 2014-08-13 | 2015-10-28 | 国家电网公司 | The oil product pre-treatment degas method of transformer insulated oil gas chromatographic |
| CN104897816A (en) * | 2015-06-18 | 2015-09-09 | 云南电网有限责任公司文山供电局 | Online transformer oil chromatography monitoring system based on vacuum stirrer |
| CN107884404A (en) * | 2017-11-21 | 2018-04-06 | 国网福建省电力有限公司 | Dissolved acetylene gas content on-site rapid detection device in a kind of oil |
| CN107884404B (en) * | 2017-11-21 | 2023-10-31 | 国网福建省电力有限公司 | On-spot quick detection device of dissolved acetylene gas content in oil |
| CN110898466A (en) * | 2019-12-07 | 2020-03-24 | 陈龙刚 | Electromagnetic stirring separation device for biological pharmacy |
| CN113041654A (en) * | 2021-02-09 | 2021-06-29 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Oil-gas separation device |
| CN115201388A (en) * | 2022-08-01 | 2022-10-18 | 哈尔滨理工大学 | Intelligent sampling analysis system and sampling analysis method for methanol in transformer oil |
| CN116550013A (en) * | 2023-07-10 | 2023-08-08 | 广东电网有限责任公司佛山供电局 | Oil-gas separation device, method and oil chromatographic analysis device |
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Application publication date: 20110928 |