CN106178608A - Dynamic headspace degasser - Google Patents
Dynamic headspace degasser Download PDFInfo
- Publication number
- CN106178608A CN106178608A CN201610748105.4A CN201610748105A CN106178608A CN 106178608 A CN106178608 A CN 106178608A CN 201610748105 A CN201610748105 A CN 201610748105A CN 106178608 A CN106178608 A CN 106178608A
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- Prior art keywords
- air valve
- fuel tap
- valve
- air
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000446 fuel Substances 0.000 claims abstract description 67
- 238000007872 degassing Methods 0.000 claims abstract description 50
- 230000005587 bubbling Effects 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 20
- 239000012159 carrier gas Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 45
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 238000010926 purge Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 239000010773 plant oil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2841—Gas in oils, e.g. hydrogen in insulating oils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of Dynamic headspace degasser, including degassing tank (102), air path part and oil circuit part, described air path part and oil circuit part are connected with described degassing tank (102) respectively, and the bottom of described degassing tank (102) is provided with bubbling device；Described air path part includes circulation line, and described circulation line is sequentially provided with the first air valve (104), the second air valve (118), sampling ring (101), the 3rd air valve (117), the 4th air valve, air pump (119), the 5th air valve and the 6th air valve；Described oil circuit part includes oil pump (115), the first fuel tap (112), the second fuel tap (114), the 3rd fuel tap (109) and the 4th fuel tap (111).The oil sample that single measurement of the present invention consumes is few, in the case of continuous highdensity measurement, can reduce the impact of transformer primary oil sample concentration to greatest extent, employing modular structural elements designs, low cost, without complicated machinery, greatly improves whole Module Reliability.
Description
Technical field
The present invention relates to transformer oil on-line monitoring field, more particularly, it relates to a kind of Dynamic headspace degasser.
Background technology
One of link realizing Dissolved Gases in Insulating Oil on-line monitoring most critical is to realize Oil-gas Separation, Oil-gas Separation skill
The stability of art and accuracy will directly determine stability and test accuracy that on-line monitoring equipment runs.The 3 of current popular
Plant oil and gas separation method and have film osmosis process, head space degassing method and vacuum outgas method.Film osmosis process has simple in construction, work
Make reliable advantage but its equilibration time length can not change of component situation in fast reaction insulating oil.Existing employing is dynamically pushed up
The instrument of empty degassing method is high due to the air content in oil after degassing, easily forms many minute bubbles, impact when loopback transformator
The insulating properties of insulating oil, therefore can not direct loopback transformator.The treatment measures of existing instrument are that the oil sample after deaerating is direct
Drain and cause the consumption of insulating oil.But the degassing efficiency of vacuum outgas method is the highest for ensureing degasifying effect, needs strict control
Therefore the vacuum of system and vacuum pump are required the highest by the vacuum of system, cause it structure complexity reliability is poor and be not suitable for
Apply in on-line checking.
Summary of the invention
The technical problem to be solved in the present invention is, it is provided that a kind of simple in construction, highly reliable Dynamic headspace degassing dress
Put.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Dynamic headspace degasser of structure, including
Degassing tank, air path part and oil circuit part, described air path part and oil circuit part are connected with described degassing tank respectively, described degassing
The bottom of tank is provided with bubbling device；
Described air path part includes circulation line, and described circulation line is sequentially provided with the first air valve, the second air valve, sampling
Ring, the 3rd air valve, the 4th air valve, air pump, the 5th air valve and the 6th air valve, described first air valve is connected with the upper end of degassing tank,
Described 6th air valve is connected with described bubbling device, and described first air valve, the 5th air valve and the 6th air valve are two position three-way valve, institute
Stating the second air valve and the 4th air valve is two-position four-way valve, described 3rd air valve is check valve；
Described first air valve is also connected with the first check valve and the second check valve, and described first check valve is with air vent even
Connecing, described second check valve is connected with pure atmospheric air import, and described second air valve is connected with carrier gas outlet, described second gas
Valve and the 4th air valve connect, and described 4th air valve is connected with carrier gas inlet, and described 5th air valve is connected with air vent, and the described 6th
Air valve is connected with pure atmospheric air import, is provided with the 3rd check valve between described 6th air valve and bubbling device；
Described oil circuit part includes oil pump, the first fuel tap, the second fuel tap, the 3rd fuel tap and the 4th fuel tap, described first oil
Valve, the 3rd fuel tap, the 4th fuel tap are check valve, and described second fuel tap is two-position three-way valve, and described oil pump is arranged on the described 3rd
Between fuel tap and the 4th fuel tap, described second fuel tap is arranged between described 3rd fuel tap and the 4th fuel tap, described second fuel tap
It is connected with described degassing tank by described first fuel tap；3rd fuel tap connects oil-in, and the 4th fuel tap connects oil-out.
In such scheme, between described first air valve and the second air valve, it is provided with pressure transducer.
In such scheme, bottom described degassing tank, it is provided with temperature sensor.
In such scheme, between described degassing tank and the first air valve, it is provided with hydrocarbon filter device.
In such scheme, between described first fuel tap and degassing tank, it is provided with the first liquid level sensor.
In such scheme, in described degassing tank, it is provided with liquid level sensor.
In such scheme, described liquid level sensor includes the second liquid level sensor being arranged on bottom and is arranged on top
3rd liquid level sensor and the 4th liquid level sensor.
Implement the Dynamic headspace degasser of the present invention, have the advantages that
This Dynamic headspace degassing module designs mainly for Gas in Oil of Transformer detection, and it has following useful effect
Really:
1, air-tightness is good, considerably reduces during Oil-gas Separation the pollution of sample oil in former transformator.
2, the oil sample that single measurement consumes is few, in the case of continuous highdensity measurement, can reduce transformation to greatest extent
The impact of device crude oil sample concentration.
3, the degassing cycle is short, coordinates detection, it is possible to reaches the single measurement cycle less than one hour, meets transformer oil
The demand in sample detection cycle.
The concordance of 4, degassing rate is high, decreases the degassing link impact on overall measurement error.
5, use modular structural elements design, low cost, without complicated machinery, greatly improve whole module reliable
Property.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of Dynamic headspace degasser of the present invention；
Fig. 2 is the module frame chart of Dynamic headspace degasser of the present invention；
Fig. 3 is the workflow diagram of Dynamic headspace degasser of the present invention.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing describes in detail
The detailed description of the invention of the present invention.
As shown in Figure 1 and Figure 2, Dynamic headspace degasser of the present invention includes degassing tank 102, air path part and oil circuit part.
Air path part and oil circuit part are connected with degassing tank 102 respectively, and the bottom of degassing tank 102 is provided with bubbling device.Degassing tank 102 end
Portion is provided with temperature sensor.
Air path part includes circulation line, and circulation line is sequentially provided with first air valve the 104, second air valve 118, sampling ring
101, the 3rd air valve the 117, the 4th air valve, air pump the 119, the 5th air valve and the 6th air valve, the first air valve 104 and degassing tank 102
Upper end connects, and the 6th air valve is connected with bubbling device, and the first air valve the 104, the 5th air valve and the 6th air valve are two position three-way valve, the
Two air valves 118 and the 4th air valve are two-position four-way valve, and the 3rd air valve 117 is check valve.
First air valve 104 is also connected with the first check valve and the second check valve, and the first check valve is connected with air vent, and second
Check valve is connected with pure atmospheric air import, and the second air valve 118 is connected with carrier gas outlet, the second air valve 118 and the 4th air valve
Connecting, the 4th air valve is connected with carrier gas inlet, and the 5th air valve is connected with air vent, and the 6th air valve is with pure atmospheric air import even
Connect, between the 6th air valve and bubbling device, be provided with the 3rd check valve 116.It is provided with pressure between first air valve 104 and the second air valve 118
Force transducer 103, is provided with hydrocarbon filter device between degassing tank 102 and the first air valve 104.
Oil circuit part includes oil pump the 115, first fuel tap the 112, second fuel tap the 114, the 3rd fuel tap 109 and the 4th fuel tap 111,
First fuel tap the 112, the 3rd fuel tap the 109, the 4th fuel tap 111 is check valve, and the second fuel tap 114 is two-position three-way valve, and oil pump 115 sets
Put between the 3rd fuel tap 109 and the 4th fuel tap 111, the second fuel tap 114 be arranged on the 3rd fuel tap 109 and the 4th fuel tap 111 it
Between, the second fuel tap 114 is connected with degassing tank 102 by the first fuel tap 112.It is provided with between first fuel tap 112 and degassing tank 102
One liquid level sensor 108.3rd fuel tap 109 connects oil-in 113, and the 4th fuel tap 111 connects oil-out 110.
It is provided with liquid level sensor in degassing tank 102, specifically includes and be arranged on the second liquid level sensor 107 of bottom and arrange
The 3rd liquid level sensor 106 and the 4th liquid level sensor 105 on top.
Dynamic headspace degasser of the present invention has a following duty:
A, module default conditions:
1, oil circuit, breaks in 40, the 41 of the first fuel tap 112；42, the 44 of second fuel tap 114 lead to；49, the 51 of 3rd fuel tap 109
Disconnected；Break in 50, the 52 of 4th fuel tap 111.
2, gas circuit, 27, the 29 of the first air valve 104 lead to；1, the 2 of second air valve 118 lead to, and 5,6 lead to；3rd air valve 117 9,
10 lead to；3, the 4 of 4th air valve lead to, and 11,12 lead to；15, the 17 of 5th air valve lead to；18, the 20 of 6th air valve lead to.
3, air pump 119 stops, and oil pump 115 stops.
C, pressure init state:
By default, logical it be changed to 27,28 by 27, the 29 of the first air valve 104 and lead to.
D, oil circuit flushing oiling state:
By default, logical it be changed to 27,28 by 27, the 29 of the first air valve 104 and lead to；Break in 40, the 41 of first fuel tap 112
It is changed to 40,41 lead to；49, the 51 of 3rd fuel tap 109 are disconnected to be changed to 49,51 and leads to；Oil pump 115 runs to oil level and reaches the 3rd liquid level
The position of sensor 106 stops.
E, oil extraction state:
By default, logical it be changed to 27,28 by 27, the 29 of the first air valve 104 and lead to；Break in 40, the 41 of first fuel tap 112
It is changed to 40,41 lead to；42, the 44 of second fuel tap 114 are logical to be changed to 42,43 and leads to；50, the 52 of 4th fuel tap 111 are disconnected is changed to 50,
52 lead to；Oil pump 115 run to oil level reach the first liquid level sensor 108 position stop.
State is purged outside f, gas circuit:
By default, logical it be changed to 15,16 by 15, the 17 of the 5th air valve and lead to；By 18, the 20 of the 6th air valve logical changes
Be 19,20 lead to；Air pump 119 runs.
Purging state in g, gas circuit:
Under default conditions, air pump 119 runs.
H, gas circuit take out negative pressure state:
Under default conditions, logical it be changed to 15,16 by 15, the 17 of the 5th air valve and lead to；Air pump 119 runs and sets when negative pressure arrives
It is worth out of service.
I, measurement oiling state:
By default, disconnected it be changed to 40,41 by 40, the 41 of the first fuel tap 112 and lead to；Break in 49, the 51 of 3rd fuel tap 109
It is changed to 49,51 lead to；Oil pump 115 run to oil level reach the second liquid level sensor 107 position stop.
J, sampling ring 101 cut carrier gas state:
By default, logical it be changed to 9,10 by 9, the 10 of the 3rd air valve 117 and break；1, the 2 of second air valve 118 lead to, and 5,6
Logical being changed to 1,6 and lead to, 2,5 lead to；3, the 4 of 4th air valve lead to, and 11,12 logical be changed to 3,12 and lead to, and 4,11 lead to；Again by the 3rd air valve
117 revert to default conditions.
K, sampling ring 101 cut sample gas state:
It is default conditions that sampling ring 101 is cut sample gas recovering state.
During as it is shown on figure 3, be sampled by Dynamic headspace degasser of the present invention, comprise the following steps:
First initializes degassing module process: degassing module is before starting working, due to last Status unknown (work
Unexpected power-off during work, or fault restoration complete after etc.), its degassing tank 102 is internal there may be Residual oil degassing tank 102 simultaneously
In gas pressure state the most uncertain, in order to ensure deaerate module the most normally work be necessarily required to module status initialize
Process, initialization procedure mainly includes that the pressure within degassing tank 102 initializes, adds an oil extraction process.
Second oil circuit flushing process: oil circuit rinses state primarily to eliminate degassing tank 102 after last time measurement
And the impact that in oil circuit pipeline, this is measured by the sample oil of remaining, mainly include that oil circuit rinses oiling and oil extraction is each once.
3rd gas circuit purge: the purpose of gas circuit purging be in order to eliminate after last measurement degassing tank 102 with
And the impact that in gas circuit pipeline, this is measured by the sample gas of remaining, mainly including purging once outside gas circuit, in gas circuit, purging is once,
Purge outside gas circuit for the second time.
4th takes out negative pressure process: take out the purpose of negative pressure primarily to ensure that the bubbling degassing of sample oil is constant bearing
Carry out under pressure ring border thus obtain higher degassing rate and ensure that negative pressure each time is consistent simultaneously.
5th oiling process: oiling process is primarily upon that the entirety of degassing tank 102 is airtight and the concordance of oil-feed sample.Main
Sample oil oiling process to be included is once.
6th bubbling degasification process: i.e. refer to that Dynamic headspace deaerates, controls the gas flow of bubbling and bubbling time well, and
Oil temperature and negative pressure, it is possible to obtain the extraordinary rate of failing to come out on time of concordance (repeated about 1%).
7th sampling gas process: the valve group utilizing single-pass electromagnetic valve and two-position four-way solenoid valve to build completes traditional 26
The work of three-way electromagnetic valve.Mainly including sampling ring 101 joint incision carrier gas once, sampling ring 101 cuts sample gas once.
8th oil extraction process: mainly include oil extraction process once.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematic rather than restrictive, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, it may also be made that a lot
Form, within these belong to the protection of the present invention.
Claims (7)
1. a Dynamic headspace degasser, it is characterised in that include degassing tank (102), air path part and oil circuit part, described
Air path part and oil circuit part are connected with described degassing tank (102) respectively, and the bottom of described degassing tank (102) is provided with bubbling dress
Put；
Described air path part includes circulation line, and described circulation line is sequentially provided with the first air valve (104), the second air valve
(118), sampling ring (101), the 3rd air valve (117), the 4th air valve, air pump (119), the 5th air valve and the 6th air valve, described the
One air valve (104) is connected with the upper end of degassing tank (102), and described 6th air valve is connected with described bubbling device, described first gas
Valve (104), the 5th air valve and the 6th air valve are two position three-way valve, and described second air valve (118) and the 4th air valve are two-position four-way
Valve, described 3rd air valve (117) is check valve；
Described first air valve (104) is also connected with the first check valve and the second check valve, and described first check valve is with air vent even
Connecing, described second check valve is connected with pure atmospheric air import, and described second air valve (118) is connected with carrier gas outlet, described
Second air valve (118) is connected with the 4th air valve, and described 4th air valve is connected with carrier gas inlet, and described 5th air valve is with air vent even
Connecing, described 6th air valve is connected with pure atmospheric air import, is provided with the 3rd unidirectional between described 6th air valve and bubbling device
Valve (116)；
Described oil circuit part includes oil pump (115), the first fuel tap (112), the second fuel tap (114), the 3rd fuel tap (109) and the 4th
Fuel tap (111), described first fuel tap (112), the 3rd fuel tap (109), the 4th fuel tap (111) are check valve, described second fuel tap
(114) being two-position three-way valve, described oil pump (115) is arranged between described 3rd fuel tap (109) and the 4th fuel tap (111), institute
Stating the second fuel tap (114) to be arranged between described 3rd fuel tap (109) and the 4th fuel tap (111), described second fuel tap (114) is led to
Cross described first fuel tap (112) to be connected with described degassing tank (102)；3rd fuel tap (109) connects oil-in (113), the 4th oil
Valve (111) connects oil-out (110).
Dynamic headspace degasser the most according to claim 1, it is characterised in that described first air valve (104) and second
Pressure transducer (103) it is provided with between air valve (118).
Dynamic headspace degasser the most according to claim 1, it is characterised in that described degassing tank (102) bottom is provided with
Temperature sensor.
Dynamic headspace degasser the most according to claim 1, it is characterised in that described degassing tank (102) and the first gas
Valve is provided with hydrocarbon filter device between (104).
Dynamic headspace degasser the most according to claim 1, it is characterised in that described first fuel tap (112) and degassing
The first liquid level sensor (108) it is provided with between tank (102).
Dynamic headspace degasser the most according to claim 1, it is characterised in that described degassing tank is provided with liquid in (102)
Level sensor.
Dynamic headspace degasser the most according to claim 6, it is characterised in that described liquid level sensor includes being arranged on
Second liquid level sensor (107) of bottom and be arranged on the 3rd liquid level sensor (106) and the 4th liquid level sensor on top
(105)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748105.4A CN106178608B (en) | 2016-08-27 | 2016-08-27 | Dynamic headspace degasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748105.4A CN106178608B (en) | 2016-08-27 | 2016-08-27 | Dynamic headspace degasser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106178608A true CN106178608A (en) | 2016-12-07 |
| CN106178608B CN106178608B (en) | 2018-08-07 |
Family
ID=57526286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610748105.4A Active CN106178608B (en) | 2016-08-27 | 2016-08-27 | Dynamic headspace degasser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106178608B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771093A (en) * | 2016-12-30 | 2017-05-31 | 国家电网公司 | Portable Insulating Oil Breakdown Voltage gassiness tester and its method of testing |
| CN107703135A (en) * | 2017-11-21 | 2018-02-16 | 国网福建省电力有限公司 | The on-site rapid detection device and its detection method of dissolved acetylene gas content in oil |
| CN108254338A (en) * | 2018-03-20 | 2018-07-06 | 哈工大鞍山工业技术研究院有限公司 | Gas content in transformer oil on-Line Monitor Device based on spectral absorption method |
| CN109917049A (en) * | 2019-04-22 | 2019-06-21 | 河南中分仪器股份有限公司 | Portable gas chromatograph analytical equipment |
| CN111203007A (en) * | 2020-03-11 | 2020-05-29 | 贵州电网有限责任公司 | Insulating oil pretreatment device and method for detecting dissolved gas components in oil |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764344A (en) * | 1984-10-25 | 1988-08-16 | Bbc Brown, Boveri & Company Ltd. | Device for the determination of the quantitative composition of gases |
| 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 |
| CN103616274A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Pretreatment device and pretreatment method for transformer oil |
| CN205948435U (en) * | 2016-08-27 | 2017-02-15 | 南瑞通用电气智能监测诊断（武汉）有限公司 | Developments head space degasser |
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2016
- 2016-08-27 CN CN201610748105.4A patent/CN106178608B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764344A (en) * | 1984-10-25 | 1988-08-16 | Bbc Brown, Boveri & Company Ltd. | Device for the determination of the quantitative composition of gases |
| 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 |
| CN103616274A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Pretreatment device and pretreatment method for transformer oil |
| CN205948435U (en) * | 2016-08-27 | 2017-02-15 | 南瑞通用电气智能监测诊断（武汉）有限公司 | Developments head space degasser |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771093A (en) * | 2016-12-30 | 2017-05-31 | 国家电网公司 | Portable Insulating Oil Breakdown Voltage gassiness tester and its method of testing |
| CN107703135A (en) * | 2017-11-21 | 2018-02-16 | 国网福建省电力有限公司 | The on-site rapid detection device and its detection method of dissolved acetylene gas content in oil |
| CN107703135B (en) * | 2017-11-21 | 2024-03-12 | 国网福建省电力有限公司 | On-site rapid detection device and detection method for content of dissolved acetylene gas in oil |
| CN108254338A (en) * | 2018-03-20 | 2018-07-06 | 哈工大鞍山工业技术研究院有限公司 | Gas content in transformer oil on-Line Monitor Device based on spectral absorption method |
| CN108254338B (en) * | 2018-03-20 | 2023-10-13 | 湖南五凌电力科技有限公司 | Online monitoring device for gas content in transformer oil based on spectrum absorption method |
| CN109917049A (en) * | 2019-04-22 | 2019-06-21 | 河南中分仪器股份有限公司 | Portable gas chromatograph analytical equipment |
| 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 |
| CN111203007A (en) * | 2020-03-11 | 2020-05-29 | 贵州电网有限责任公司 | Insulating oil pretreatment device and method for detecting dissolved gas components in oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106178608B (en) | 2018-08-07 |
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