CN103293251A - Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment - Google Patents
Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment Download PDFInfo
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- CN103293251A CN103293251A CN2013102037487A CN201310203748A CN103293251A CN 103293251 A CN103293251 A CN 103293251A CN 2013102037487 A CN2013102037487 A CN 2013102037487A CN 201310203748 A CN201310203748 A CN 201310203748A CN 103293251 A CN103293251 A CN 103293251A
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Abstract
The invention discloses an automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment. The oil-gas separation device comprises an oil sample extraction mechanism and an oil-gas separation mechanism, wherein the oil sample extraction mechanism quantitatively extracts transformer oil and feeds the oil into an oil cup; the oil-gas separation mechanism comprises a constant temperature device and an expansion device; the constant temperature device can regulate the temperature in the oil cup to be consistent before and after oil-gas separation; the expansion device comprises a piston cylinder and a power device; a cavity, which is positioned on one side of a piston, in the piston cylinder is communicated with the oil cup; the power device drives the piston to move away from the cavity on one side of the piston, so that the space communicated with the oil cup is enlarged, the pressure in the oil cup is reduced, and the oil-gas separation is finished. The automatic oil-gas separation is realized, the error generated by human involvement is avoided, and the device is accurate in quantification and convenient in actual application.
Description
Technical field
The present invention relates to electric system oil chromatography detection range, refer to a kind of for the pretreated automatically quick gas and oil separating plant of oil chromatography analysis especially.
Background technology
In electric system, vital during the stable operation of transformer.In order to monitor the transformer running status, country promulgates the standard of having put into effect " GB/7252-2001 transformer dissolved gas analysis and judgement guide rule ".For traditional stratographic analysis pre-service work, namely get oil work and gas-oil separation work, for authenticity and the accuracy that guarantees to test, wherein in the gas-oil separation link, regulation adopts head space vibration isolation technics.This technology particularly is made up of following 6 links: the quantitative link of oil product, inject the balanced gas link, constant temperature oscillation element, residual gas measurement links, sampling compression ring joint and gas transfer loop joint.Each link needs artificial participation, is easy to cause error, brings very big influence for test repeatability and accuracy.
Because traditional gas-oil separation process link is many, particularly the error brought of manual operation is big, so test accuracy is not high, comparability is not strong.There is very big difference in the result of different personnel's different experiments chamber test, sometimes even surpassed 30%, badly influences the order of accuarcy of whole off-line oil chromatography test link, gives transformer state operation assessment brought to have a strong impact on.
Summary of the invention
At problems of the prior art, the object of the present invention is to provide a kind of for the pretreated automatically quick gas and oil separating plant of oil chromatography analysis, above-mentioned six artificial links that participate in are completely cancelled, and intelligent apparatus is finished automatically, provide reliability greatly, thereby the accuracy of the spectrometry of checking colors has had and has increased substantially.
To achieve these goals, the present invention is used for oil chromatography and analyzes pretreated automatically quick gas and oil separating plant, described gas and oil separating plant comprises oil sample extraction mechanism and oil gas releasing mechanism, described oil sample extraction mechanism is quantitatively extracted transformer oil and is sent in the lubricating cup, described oil gas releasing mechanism comprises thermostat and flash chamber, described thermostat can be regulated the temperature in the lubricating cup, at the self-consistentency of oil gas disengaging; Described flash chamber comprises piston cylinder and propulsion system, the chamber that is positioned at piston one side in the described piston cylinder is communicated with described lubricating cup, described propulsion system driven plunger is to away from the action of this side cavity, thereby enlarges the space that is connected with lubricating cup, the pressure in the reduction lubricating cup, finishes gas-oil separation.
Further, described oil sample extraction mechanism comprises the oil pick-up tube that connects transformer oil, the two ends of described oil pick-up tube all connect described transformer oil, oil pick-up tube is provided with oil well pump and described lubricating cup, constitute the circulation passage that extracts transformer oil by oil pumping pipeline and lubricating cup, described oil well pump can calculated flow rate.
Further, described oil well pump is the magnetic-gear driving pump.
Further, described propulsion system are cylinder or hydraulic cylinder.
Further, be connected with gasometry mechanism on the described lubricating cup, the gas-detecting device that described gasometry mechanism extracts quantitative volume from lubricating cup gas is sent into the downstream carries out gas analysis.
Further, described gasometry mechanism comprises air chamber and quantity tube, and described air chamber is connected with described lubricating cup, and the gas after the gas-oil separation enters air chamber, and described quantity tube extracts in the air chamber the quantitatively gas of volume, and sends in the described gas-detecting device.
Automaticity height for the pretreated automatically quick gas and oil separating plant of oil chromatography analysis of the present invention quantitatively accurately, has been avoided the error of artificial participation generation, is convenient to practical application.
Description of drawings
Fig. 1 is used for the connection diagram that oil chromatography is analyzed pretreated automatically quick gas and oil separating plant for the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, for the present invention is used for a kind of specific embodiment that oil chromatography is analyzed pretreated automatically quick gas and oil separating plant, this gas and oil separating plant comprises oil sample extraction mechanism and oil gas releasing mechanism, the oil sample extraction mechanism comprises oil pick-up tube 1, the two ends of oil pick-up tube 1 all connect transformer oil, oil well pump 2 is installed on the oil pick-up tube 1, switch valve 3-1 and lubricating cup 4, oil well pump 2 along its on the arrow method of mark extract transformer oil and send in the lubricating cup 4, lubricating cup 4 is made by metal material, and the inwall of lubricating cup 4 adopts other polishing of mirrored colour spectrum level, so that accurate quantification.Oil well pump 2 is preferably the magnetic-gear driving pump, oil well pump 2 has the traffic statistics function, so that calculate the oil mass that extracts in the lubricating cup 4, transformer oil carries out gas-oil separation in lubricating cup 4, transformer oil after the separation returns through oil pick-up tube 1 again, and oil pick-up tube 1, oil well pump 2 and lubricating cup 4 constitute the circulation passage of transformer oil; The oil gas releasing mechanism is to utilize the mode of dilatation to realize vacuum, comprise piston cylinder 5, the chamber that is positioned at piston one side in the piston cylinder 5 is communicated with lubricating cup 4, the piston rod of piston cylinder 5 is connected with the piston rod of actuating cylinder 7, by screw locking, utilizes stretching out and regaining stretching out and regaining of drive piston cylinder 5 of piston rod in the actuating cylinder 7, by among Fig. 1 as can be seen, piston cylinder 5 arranges in opposite directions with actuating cylinder 7, and the piston rod of actuating cylinder 7 stretches out, and the piston rod that drives piston cylinder 5 shrinks; The piston rod of actuating cylinder 7 is regained, and the piston rod that then drives piston cylinder 5 stretches out.Power pump 9 is connected with piston cylinder 5 with actuating cylinder 7 by three-way solenoid valve 8, is convenient to resetting of piston cylinder 5.Can also be that piston cylinder 5 arranges side by side in the same way with actuating cylinder 7, plug cylinder 5 arranges in opposite directions with actuating cylinder 7, and the piston rod of actuating cylinder 7 stretches out, and the piston rod that drives piston cylinder 5 stretches out; The piston rod of actuating cylinder 7 is regained, the piston rod that then drives piston cylinder 5 is regained (not shown), certainly adopt this mode when connecting three-way solenoid valve 8 and power pump 9 and different among the figure, this does not give unnecessary details in this article for those skilled in the art's conventional means.Thermostatically-controlled equipment 6 is installed on the piston cylinder 5, and thermostatically-controlled equipment 6 makes the transformer oil in the lubricating cup 4 be consistent in the front and back of gas-oil separation temperature.
For the ease of isolated gas in the lubricating cup 4 being sent in the gas-detecting device 12 in downstream, gas chromatogram pick-up unit for example, lubricating cup 4 is connected with gasometry mechanism, gasometry mechanism comprises air chamber 10, air chamber 10 is connected with lubricating cup 4, gas after the gas-oil separation is sent in the air chamber 10 by nitrogen pressure pump 13, and quantity tube 11 extracts the gas of quantitative volume in the air chamber 10, and sends in the gas-detecting device 12 in downstream.Enter in the air chamber 10 along pipeline in order to place oil, at the pipeline that enters air chamber 10 oily pick-up unit 14 is installed, when oily pick-up unit 14 detects oil, close switch valve 3-2,3-3 at once.
Above-mentioned example just is used for explanation the present invention, and embodiments of the present invention are not limited to these examples, and the various embodiments that meet inventive concept that those skilled in the art make are all within protection scope of the present invention.
Claims (6)
1. be used for oil chromatography and analyze pretreated automatically quick gas and oil separating plant, described gas and oil separating plant comprises oil sample extraction mechanism and oil gas releasing mechanism, described oil sample extraction mechanism is quantitatively extracted transformer oil and is sent in the lubricating cup, it is characterized in that, described oil gas releasing mechanism comprises thermostat and flash chamber, described thermostat can be regulated the temperature in the lubricating cup, at the self-consistentency of oil gas disengaging; Described flash chamber comprises piston cylinder and propulsion system, the chamber that is positioned at piston one side in the described piston cylinder is communicated with described lubricating cup, described propulsion system driven plunger is to away from the action of this side cavity, thereby enlarges the space that is connected with lubricating cup, the pressure in the reduction lubricating cup, finishes gas-oil separation.
2.. gas and oil separating plant as claimed in claim 1, it is characterized in that, described oil sample extraction mechanism comprises the oil pick-up tube that connects transformer oil, the two ends of described oil pick-up tube all connect described transformer oil, oil pick-up tube is provided with oil well pump and described lubricating cup, constitute the circulation passage that extracts transformer oil by oil pumping pipeline and lubricating cup, described oil well pump can calculated flow rate.
3. gas and oil separating plant as claimed in claim 2 is characterized in that, described oil well pump is the magnetic-gear driving pump.
4. gas and oil separating plant as claimed in claim 1 is characterized in that, described propulsion system are cylinder or hydraulic cylinder.
5. gas and oil separating plant as claimed in claim 1 is characterized in that, is connected with gasometry mechanism on the described lubricating cup, and the gas-detecting device that described gasometry mechanism extracts quantitative volume from lubricating cup gas is sent into the downstream carries out gas analysis.
6. gas and oil separating plant as claimed in claim 5, it is characterized in that, described gasometry mechanism comprises air chamber and quantity tube, described air chamber is connected with described lubricating cup, gas after the gas-oil separation enters air chamber, described quantity tube extracts the gas of quantitative volume in the air chamber, and sends in the described gas-detecting device.
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| CN2013102037487A CN103293251A (en) | 2013-05-28 | 2013-05-28 | Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment |
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| CN2013102037487A CN103293251A (en) | 2013-05-28 | 2013-05-28 | Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158376A (en) * | 2015-08-21 | 2015-12-16 | 许继集团有限公司 | Oil-gas separation cylinder, oil-gas separation device and oil chromatography |
| 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 |
| CN111257068A (en) * | 2019-10-22 | 2020-06-09 | 许昌许继软件技术有限公司 | Method and device for replacing dissolved gas in transformer oil |
| CN111855872A (en) * | 2020-06-30 | 2020-10-30 | 国家电网有限公司 | Full-automatic oil-gas quantitative separation device |
| CN114200072A (en) * | 2022-02-21 | 2022-03-18 | 佛山速敏智能仪器科技有限公司 | Method and device for calibrating online monitoring system for dissolved gas in transformer oil |
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| CN201382948Y (en) * | 2009-04-16 | 2010-01-13 | 杭州申昊信息科技有限公司 | Online monitoring system of gas in transformer oil |
| CN201454165U (en) * | 2009-05-19 | 2010-05-12 | 无锡泰思特仪器设备有限公司 | Gas online separating device in dielectric oil |
| EP1950560B1 (en) * | 2007-01-23 | 2010-11-17 | EMH Energie-Messtechnik GmbH | Method for the quantitative analysis of gases in a transformer oil |
| CN102198340A (en) * | 2011-04-08 | 2011-09-28 | 胡志敏 | Electronic-magnetic-stirring-based oil-gas separation device |
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2013
- 2013-05-28 CN CN2013102037487A patent/CN103293251A/en active Pending
Patent Citations (4)
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| EP1950560B1 (en) * | 2007-01-23 | 2010-11-17 | EMH Energie-Messtechnik GmbH | Method for the quantitative analysis of gases in a transformer oil |
| CN201382948Y (en) * | 2009-04-16 | 2010-01-13 | 杭州申昊信息科技有限公司 | Online monitoring system of gas in transformer oil |
| CN201454165U (en) * | 2009-05-19 | 2010-05-12 | 无锡泰思特仪器设备有限公司 | Gas online separating device in dielectric oil |
| CN102198340A (en) * | 2011-04-08 | 2011-09-28 | 胡志敏 | Electronic-magnetic-stirring-based oil-gas separation device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158376A (en) * | 2015-08-21 | 2015-12-16 | 许继集团有限公司 | Oil-gas separation cylinder, oil-gas separation device and oil chromatography |
| CN105158376B (en) * | 2015-08-21 | 2018-01-12 | 许继集团有限公司 | A kind of Oil-gas Separation cylinder and gas and oil separating plant and oil chromatography |
| 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 |
| CN111257068A (en) * | 2019-10-22 | 2020-06-09 | 许昌许继软件技术有限公司 | Method and device for replacing dissolved gas in transformer oil |
| CN111257068B (en) * | 2019-10-22 | 2024-02-06 | 许昌许继软件技术有限公司 | Method and device for replacing dissolved gas in transformer oil |
| CN111855872A (en) * | 2020-06-30 | 2020-10-30 | 国家电网有限公司 | Full-automatic oil-gas quantitative separation device |
| CN111855872B (en) * | 2020-06-30 | 2023-05-05 | 国家电网有限公司 | Full-automatic oil-gas quantitative separation device |
| CN114200072A (en) * | 2022-02-21 | 2022-03-18 | 佛山速敏智能仪器科技有限公司 | Method and device for calibrating online monitoring system for dissolved gas in transformer oil |
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Application publication date: 20130911 |