CN201551998U - Power transformer oil fault gas quantitative degassing device - Google Patents
Power transformer oil fault gas quantitative degassing device Download PDFInfo
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- CN201551998U CN201551998U CN2009200944046U CN200920094404U CN201551998U CN 201551998 U CN201551998 U CN 201551998U CN 2009200944046 U CN2009200944046 U CN 2009200944046U CN 200920094404 U CN200920094404 U CN 200920094404U CN 201551998 U CN201551998 U CN 201551998U
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- 238000007872 degassing Methods 0.000 title abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000004519 grease Substances 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 14
- 238000011002 quantification Methods 0.000 description 4
- 238000004445 quantitative analysis Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004867 photoacoustic spectroscopy Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
A power transformer oil fault gas quantitative degassing device is characterized in that the degassing device comprises an oil and gas separating device consisting of an oil chamber, a gas chamber and an oil and gas separating tank, an oil inlet and an oil return port of the oil chamber are respectively connected with an oil inlet control valve, a first oil return control valve and an air inlet valve via pipelines, the oil chamber is connected with a lower-limit oil level detection block via a gas quantitative control valve, the lower-limit oil level detection block is provided with a lower-limit oil level switch, the lower-limit oil level detection block is connected with an upper-limit oil level detection block via a gas proportional column, the upper-limit oil level detection block is provided with an upper-limit oil level switch, the oil chamber is connected with a gas circulation pump via a sample gas circulation/exhaust two-position three-way valve, a gas outlet of the gas chamber is connected with the gas circulation pump, the gas chamber and the oil chamber are connected with the oil and gas separating tank via an oil and gas separating valve and an oil/gas circulation two-position three-way valve, an inlet of the oil pump is connected with the first oil return control valve and the gas and oil separating valve respectively, an outlet of the oil pump is connected with an oil control valve and an oil sample circulation valve respectively, the oil sample circulation valve is connected with a second oil return control valve and the oil inlet control valve, and the oil control valve and the second oil return control valve are respectively connected with an inlet and an outlet of the power transformer.
Description
Technical field
The utility model relates to the Oil-gas Separation technology in the failure gas quantitative analysis process in the electric power transformer oil, particularly relates to the quantitative degasser of failure gas in a kind of electric power transformer oil.
Background technology
The failure gas quantitative analysis is one of main method of present diagnosing fault of power transformer in the electric power transformer oil, and its basic process and detection method can be referring to the power industry standard DL/T722-2000 of the People's Republic of China (PRC) " transformer dissolved gas analysis and judgement guide rules ".According to this " guide rule ", failure gas concentration detected value is according to the oil sample volume, deviates from parameters such as sample gas volume and detection signal, temperature and pressure and draw through relevant calculating in the transformer oil, so oil sample volume, the accuracy of deviating from sample gas volume, uniformity will directly influence the accuracy and the uniformity of failure gas concentration detected value.Oil sample volume in the manual detection process under laboratory environment, deviate from sample gas volume and can directly observe and measure by the test operation personnel.At present, Chang Yong degas method mainly contains dissolution equilibrium method and vacuum method.
In recent years, development along with correlation technique and detection method, online chromatogram, detection techniques such as optoacoustic spectroscopy have begun to be applied in the transformer oil in the failure gas on-line monitoring system, but the failure gas degasser can't be realized the oil sample volume automatically in the existing power transformer oil, deviate from the quantification control of sample gas volume, therefore, how to realize the oil sample volume automatically by relevant control device, deviate from the quantification control of sample gas volume, for the accuracy that improves failure gas on-line monitoring system detection data in the transformer oil, stability and uniformity have great significance.
Summary of the invention
The purpose of this utility model is: provide a kind of under microprocessor control, adopt the dissolution equilibrium degassing method to realize oil sample volume in the degasification process automatically, deviate from the quantitative degasser of failure gas in a kind of electric power transformer oil of sample gas volume quantification.
Realize that the technical scheme that the utility model purpose is taked is: the quantitative degasser of failure gas in a kind of electric power transformer oil, it is characterized in that: it comprises:
One gas and oil separating plant, gas and oil separating plant is by the grease chamber, air chamber and catch pot three parts are formed, the grease chamber is provided with into, oil return opening, and by pipeline and oil-feed control valve, the first oil return control valve, the air inlet valve is connected, the grease chamber links to each other with the lower limit oil level detection piece that is provided with oil level bottom limit level switch by the gasometry control valve, lower limit oil level detection piece links to each other by the gasometry post with the upper limit oil level detection piece that is provided with oil level upper limit liquid-level switch, the grease chamber is connected with gas circulator by sample gas circulation/exhaust two-position three-way valve, air chamber is provided with into, the gas outlet, the gas outlet is connected with gas circulator by pipeline, between air chamber and the grease chamber by pipeline and Oil-gas Separation valve, oil/gas circulation two position three-way valve links to each other with catch pot;
One oil pump, the import of oil pump is connected with the first oil return control valve, Oil-gas Separation valve respectively by circulating line, its outlet is connected with oil control valve, oil sample circulating valve respectively by circulating line, the oil sample circulating valve is by circulating line and the second oil return control valve and oil-feed control valve, and oil control valve, the second oil return control valve are connected with the power transformer import and export.
The utility model has the advantages that:
1. the utility model is used for the Oil-gas Separation and the quantitative sampling of electric power transformer oil failure gas quantitative analysis process, in working order down, the gas that drives in the gas circuit by gas circulator circulates, upgrade the high concentration gas in the air chamber, driving by oil pump simultaneously makes the oil in the transformer constantly replenish in the in-line, make the gas concentration in the grease chamber remain unchanged substantially, in the whole circulation process, oil in the transformer is in sealing state all the time, do not contact, guaranteed that reliably oil is not polluted in the Oil-gas Separation process with air.
2. the utility model is simple in structure, can be implemented in microprocessor control down, reach the balance of fault signature gas fast, can realize online automatic detection at interval, automatically realize oil sample volume in the degasification process, deviate from sample gas volume quantification, be specially adapted to on-the-spot the use.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 air chamber, 2 air inlet valves, 3, catch pot, 4 oil/gas circulation two position three-way valve, 5 Oil-gas Separation valves, 6 grease chambeies, 7 first oil return control valves, 8 oil pumps, 9 oil control valves, 10 oil sample circulating valves, 11 second oil return control valves, 12 oil-feed control valves, 13 oil level bottom limit level switches, 14 gasometry control valves, 15 gasometry posts, 16 oil level upper limit liquid-level switches, 17 sample gas circulation/exhaust two-position three-way valves, 18 gas circulators.
The specific embodiment
The utility model is described in further detail to utilize drawings and Examples below.
As shown in Figure 1, a kind of device that failure gas in the transformer oil is quantitatively outgased of the present utility model comprises:
One gas and oil separating plant, gas and oil separating plant is made up of grease chamber 6, air chamber 1 and catch pot 3 three parts.Grease chamber 6 is provided with into, oil return opening, and is connected by pipeline and oil-feed control valve 12, the first oil return control valves 7, air inlet valve 2.Grease chamber 6 links to each other with the lower limit oil level detection piece that is provided with oil level bottom limit level switch 13 by gasometry control valve 14, and lower limit oil level detection piece links to each other by gasometry post 15 with the upper limit oil level detection piece that is provided with oil level upper limit liquid-level switch 16; Grease chamber 6 is connected with gas circulator 18 by sample gas circulation/exhaust two-position three-way valve 17.Air chamber 1 is provided with inlet, outlet, and the gas outlet is connected with gas circulator 18 by pipeline; Link to each other with catch pot 3 by pipeline and Oil-gas Separation valve 5, oil/gas circulation two position three-way valve 4 between air chamber 1 and the grease chamber 6;
One oil pump 8, the import of oil pump 8 is connected with the first oil return control valve 7, Oil-gas Separation valve 5 respectively by circulating line; Its outlet is connected with oil control valve 9, oil sample circulating valve 10 respectively by circulating line, oil sample circulating valve 10 is by circulating line and the second oil return control valve 11 and oil-feed control valve 12, and oil control valve 9, the second oil return control valve 11 are connected with the power transformer import and export.
Described air chamber 1 comprises air chamber main body, the air chamber cover that high brass or stainless steel are made, and by the sealing of O type circle, is provided with inlet, outlet.Described grease chamber 6 is jar shape chamber bodies of being made by the high-quality stainless steel, is provided with into, oil return opening, air inlet, oil level circulation port.Air inlet valve 2, catch pot 3, oil/gas circulation two position three-way valve 4, Oil-gas Separation valve 5, the first oil return control valve 7, oil pump 8, oil control valve 9, oil sample circulating valve 10, the second oil return control valve 11, oil-feed control valve 12, oil level bottom limit level switch 13, gasometry control valve 14, oil level upper limit liquid-level switch 16, sample gas circulation/exhaust two-position three-way valve 17 and gas circulator 18 are the commercially available prod.Oil pump 8 is a gear pump; Gas circulator 18 is the miniature gears pump; Oil level upper and lower limit liquid- level switch 16,13 is the photoelectric liquid-levle switch; Oil passage control valve is miniature stainless steel magnetic valve; Gas path control valve is miniature isolation diaphragm magnetic valve.
The related a kind of device working method that failure gas in the transformer oil is quantitatively outgased of the utility model is: by the control of microprocessor to magnetic valve, oil pump 8, gas circulator 18, in conjunction with physical principle, substep is realized the failure gas in the electric power transformer oil is carried out the fast and reliable degassing, the quantitative characteristic gas sample, simultaneously in degasification process, a kind of device and transformer that failure gas in the transformer oil is quantitatively outgased of the present utility model isolated by magnetic valve, guarantees not polluted at the oil that outgased in planting.
Claims (1)
1. the quantitative degasser of failure gas in the electric power transformer oil, it is characterized in that: it comprises: a gas and oil separating plant, gas and oil separating plant is by the grease chamber, air chamber and catch pot three parts are formed, the grease chamber is provided with into, oil return opening, and by pipeline and oil-feed control valve, the first oil return control valve, the air inlet valve is connected, the grease chamber links to each other with the lower limit oil level detection piece that is provided with oil level bottom limit level switch by the gasometry control valve, lower limit oil level detection piece links to each other by the gasometry post with the upper limit oil level detection piece that is provided with oil level upper limit liquid-level switch, the grease chamber is connected with gas circulator by sample gas circulation/exhaust two-position three-way valve, air chamber is provided with into, the gas outlet, the gas outlet is connected with gas circulator by pipeline, between air chamber and the grease chamber by pipeline and Oil-gas Separation valve, oil/gas circulation two position three-way valve links to each other with catch pot; One oil pump, the import of oil pump is connected with the first oil return control valve, Oil-gas Separation valve respectively by circulating line, its outlet is connected with oil control valve, oil sample circulating valve respectively by circulating line, the oil sample circulating valve is by circulating line and the second oil return control valve and oil-feed control valve, and oil control valve, the second oil return control valve are connected with the power transformer import and export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200944046U CN201551998U (en) | 2009-09-21 | 2009-09-21 | Power transformer oil fault gas quantitative degassing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200944046U CN201551998U (en) | 2009-09-21 | 2009-09-21 | Power transformer oil fault gas quantitative degassing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201551998U true CN201551998U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200944046U Expired - Fee Related CN201551998U (en) | 2009-09-21 | 2009-09-21 | Power transformer oil fault gas quantitative degassing device |
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| CN (1) | CN201551998U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971521A (en) * | 2015-06-26 | 2015-10-14 | 国网山东省电力公司电力科学研究院 | Transformer standard oil degassing device and degassing method for online chromatography calibration |
| CN109900644A (en) * | 2019-04-11 | 2019-06-18 | 南京无书化工有限公司 | A kind of component transformer oil gas on-Line Monitor Device and method less |
| CN111855872A (en) * | 2020-06-30 | 2020-10-30 | 国家电网有限公司 | Full-automatic oil-gas quantitative separation device |
| CN112147100A (en) * | 2020-10-14 | 2020-12-29 | 海南电网有限责任公司电力科学研究院 | Portable device for detecting furfural in transformer oil |
| 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 |
-
2009
- 2009-09-21 CN CN2009200944046U patent/CN201551998U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971521A (en) * | 2015-06-26 | 2015-10-14 | 国网山东省电力公司电力科学研究院 | Transformer standard oil degassing device and degassing method for online chromatography calibration |
| CN109900644A (en) * | 2019-04-11 | 2019-06-18 | 南京无书化工有限公司 | A kind of component transformer oil gas on-Line Monitor Device and method less |
| CN109900644B (en) * | 2019-04-11 | 2024-04-16 | 南京无书化工有限公司 | Device and method for on-line monitoring of oil gas of low-component transformer |
| 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 |
| CN112147100A (en) * | 2020-10-14 | 2020-12-29 | 海南电网有限责任公司电力科学研究院 | Portable device for detecting furfural in transformer oil |
| CN112147100B (en) * | 2020-10-14 | 2023-11-14 | 海南电网有限责任公司电力科学研究院 | Portable device for detecting furfural in transformer oil |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JILIN BEIHUA ELECTRONIC TECHNOLOGY DEVELOPMENT CO. Free format text: FORMER OWNER: JILIN BEIHUA ELECTRONIC TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 Address after: 132400 Baishan power plant, 274 Huadian Avenue, Jilin, Huadian Patentee after: Baishan Power Plant Patentee after: Jilin Beihua Electronic Technology Development Co., Ltd. Patentee after: State Grid Corporation of China Patentee after: State Grid Xinyuan Hydropower Co., Ltd. Address before: 132400 Baishan power plant, 274 Huadian Avenue, Jilin, Huadian Patentee before: Baishan Power Plant Patentee before: Jilin Beihua Electronic Technology Development Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20171206 Address after: 132400 production complex of Baishan Town, Huadian City, Jilin, Jilin Co-patentee after: Jilin Beihua Electronic Technology Development Co., Ltd. Patentee after: Songhua River hydropower generation Co., Ltd. Jilin Baishan power plant Co-patentee after: State Grid Corporation of China Co-patentee after: State Grid Xinyuan Hydropower Co., Ltd. Address before: 132400 Baishan power plant, 274 Huadian Avenue, Jilin, Huadian Co-patentee before: Jilin Beihua Electronic Technology Development Co., Ltd. Patentee before: Baishan Power Plant Co-patentee before: State Grid Corporation of China Co-patentee before: State Grid Xinyuan Hydropower Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20180921 |