CN106526055A - No-load gas-oil chromatography online monitoring system - Google Patents
No-load gas-oil chromatography online monitoring system Download PDFInfo
- Publication number
- CN106526055A CN106526055A CN201611143673.8A CN201611143673A CN106526055A CN 106526055 A CN106526055 A CN 106526055A CN 201611143673 A CN201611143673 A CN 201611143673A CN 106526055 A CN106526055 A CN 106526055A
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- unit
- carrier gas
- monitoring system
- valve
- line monitoring
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
- G01N2030/201—Injection using a sampling valve multiport valves, i.e. having more than two ports
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (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 invention discloses a no-load gas-oil chromatography online monitoring system which comprises a case shell. A separable gas carrying unit, a center control unit, a column box unit and a degassing unit are detachably installed in the case shell from top to bottom, carrier gas generated by the gas carrying unit enables sample gas taken off by the degassing unit to drive the column box unit to conduct separation and detection, and the center control unit processes data and uploads the processing result to a monitoring terminal. According to the system, modular design is adopted, the detachable gas carrying unit, the degassing unit, the column box unit and the center control unit, layout is clean and tidy, the structure is compact, independent disassembling and assembling can be achieved, maintenance is convenient, and the maintenance cost is greatly lowered.
Description
Technical field
A kind of the present invention relates to oil chromatography on-line monitoring technique field, more particularly to no carrier gas oil chromatography on-line monitoring system
System.
Background technology
Chromatography online monitoring system is to integrate control, the precision equipment of measurement analytical technology, to oil immersions such as transformators
Power equipment is monitored on-line, and promptly and accurately detect online dissolved in insulating oil various fault characteristic gases concentration and
Variation tendency, these gases include hydrogen, carbon monoxide, methane, ethane, ethylene, acetylene etc..Oil chromatography on-line monitoring system energy
It is enough fast and accurately to carry out oil chromatogram analysis, realize monitoring the operation information of oil-immersed type power equipment completely on-line, be transformator
Operation steady in a long-term Deng oil-filled electrical equipment provides Reliable guarantee.
Existing transformer oil chromatographic on-Line Monitor Device is chaotic because of complex structure, layout, safeguards inconvenience, maintenance cost
Height, is carried out using carrier gas in addition, carrier gas consumptive material, high cost, and is easily caused contaminated equipment, easily causes scrapping for integral device.
The content of the invention
The technical problem to be solved in the present invention is：A kind of no carrier gas oil chromatography on-line monitoring system is provided, modularized design,
Layout is clean and tidy, and compact conformation is easy to maintenance, and maintenance cost is low, is difficult pollution, to solve problems of the prior art.
The technical scheme that the present invention takes is：A kind of no carrier gas oil chromatography on-line monitoring system, including cabinet housing, cabinet housing
Separable carrier gas unit, middle control unit, post case unit and degassing unit, carrier gas unit are inside removably installed from top to bottom
For according to the automatic aerogenesis of pressure requirements and pressure detecting, middle control unit is used for Data Analysis Services, storage, supports teledata
Transmission, post case unit are used for temperature of the control by the flow, detector and chromatographic column of detector carrier gas, sample gas are carried out point
From and detection, degassing unit is used for vacuum outgass, carries out Oil-gas Separation, and carrier gas produced by carrier gas unit is degassing unit abjection
Sample gas drive post case unit separated and detected, then by it is middle control unit carry out data processing and result be uploaded to
Monitor terminal.
Preferably, above-mentioned carrier gas unit include compressor, macromolecule exsiccator, air accumulator, pressure maintaining valve, double filter,
Pressure controller, panel one, are connected with air accumulator, are connected with twin-stage mistake on air accumulator escape pipe in turn on compressor escape pipe
Filter, macromolecule exsiccator and pressure maintaining valve, are also associated with pressure transducer and pressure controller, compressor, high score on air accumulator
Sub- exsiccator, pressure transducer and pressure controller are connected to panel one, and panel one is connected to middle control unit.
Preferably, connect on above-mentioned compressor pump escape pipe and have successively trigger valve and check valve, air accumulator and double filter
Bottom is respectively connected with drain valve, and drain valve and trigger valve are connected to panel one.
Preferably, above-mentioned macromolecule exsiccator is connected with capillary tube.
Preferably, above-mentioned degassing unit includes deaerate cylinder, electromagnetic valve, spraying cylinder, liquid level sensor, pressure sensing
Device, spraying cylinder, position sensor, six-way injection valve, quantity tube and panel two, are connected with oil inlet pipe and lead on degassing cylinder
Cross out sample pipe and be connected to six-way injection valve, and be connected with the motor for driving work, to go out and liquid level sensor is connected with sample pipe
With spraying cylinder, pressure transducer is installed on aerosol apparatus cylinder, also including measurement step motor drive degassing cylinder displacement
Position sensor, two outlets of six-way injection valve are connected with quantity tube and two-port is also associated with post case unit and carrier gas list
Unit, electromagnetic valve, liquid level sensor, pressure transducer, spraying cylinder, motor, position sensor are connected to panel two, control
Making sheet two is connected to middle control unit.
Preferably, above-mentioned cabinet housing front and rear end is equipped with rotatable chamber door.
Preferably, above-mentioned cabinet surface of shell has anti-corrosion layer.
Preferably, the heat sink of splicing is provided with above-mentioned cabinet housing rear end chamber door.
Preferably, on above-mentioned carrier gas unit, front side is provided with pressure scale disk.
Preferably, above-mentioned post case unit is provided with temperature scale disk.
Preferably, above-mentioned cabinet housing bottom is provided with the supporting leg of angle steel making, and supporting leg one side fits to cabinet
Housing bottom, another side is vertically down.
Beneficial effects of the present invention：Compared with prior art, effect of the invention is as follows：
1）The present invention adopts modularized design, arranges separable carrier gas unit, degassing unit, post case unit, middle control unit four
Individual unit, layout are clean and tidy, and compact conformation individually can be dismounted, and are easy to safeguard, maintenance cost is substantially reduced；
2）Detection data accurately, is close to laboratory substantially；
3）Standard modular is designed, and quality controllable degree is high, and interchangeability is good, easily forms large-scale production；
4）It is by the carrier gas of the self-produced air of compressor, long-term to run without interruption, realize substantially it is non-maintaining, can spread,
Greatly improve equipment safety in utilization and use cost；
5）Detected by test, test error result reaches A level standards, measuring accuracy is high.
Description of the drawings
Fig. 1 is the forward sight dimensional structure diagram of the present invention；
Fig. 2 is the rear perspective structural representation of the present invention；
Fig. 3 is the Integral connection structure schematic diagram of the present invention；
Fig. 4 is carrier gas unit connection structure schematic diagram；
Fig. 5 is degassing unit connection structure schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the present invention.
Embodiment 1：As Figure 1-5, a kind of no carrier gas oil chromatography on-line monitoring system, including cabinet housing 1, chassis shell
Separable carrier gas unit 2, middle control unit 3, post case unit 4 and degassing unit 5 are removably installed in body 1 from top to bottom,
Carrier gas unit 2 is for according to the automatic aerogenesis of pressure requirements and pressure detecting, middle control unit 3 is used for Data Analysis Services, storage, props up
Remote data transmission is held, post case unit 4 is used for the temperature of flow, detector and chromatographic column of the control by detector carrier gas, right
Sample gas are separated and are detected, degassing unit 5 is used for vacuum outgass, carries out Oil-gas Separation, the carrier gas produced by carrier gas unit 2
Drive post case unit 4 to be separated and detected the sample gas that degassing unit 5 is deviate from, then data processing is carried out by middle control unit 3
And result is uploaded to into monitor terminal（Server）.
Preferably, above-mentioned carrier gas unit 2 include compressor, macromolecule exsiccator, air accumulator, pressure maintaining valve, double filter,
Pressure controller, panel one, are connected with air accumulator, are connected with twin-stage mistake on air accumulator escape pipe in turn on compressor escape pipe
Filter, macromolecule exsiccator and pressure maintaining valve, are also associated with pressure transducer and pressure controller, compressor, high score on air accumulator
Sub- exsiccator, pressure transducer and pressure controller are connected to panel one, and panel one is connected to middle control unit, and compressor enters
Row carries out storage gas to air accumulator, when pressure reaches setting max-thresholds, stops being compressed, when less than setting Minimum Threshold
During value, storage gas is carried out, gas is dried through double filter filtration, macromolecule exsiccator in air accumulator, pressure maintaining valve voltage stabilizing
Into the import of six-way injection valve, the sample gas of the quantity tube collection that can connect six-way injection valve pushes post case unit, carries out
Chromatography.
Preferably, connect on above-mentioned compressor pump escape pipe and have successively trigger valve and check valve, air accumulator and double filter
Bottom is respectively connected with drain valve, and drain valve and trigger valve are connected to panel one, and drain valve is beneficial to by the water accumulated in air accumulator
Release with the water accumulated in double filter.
Preferably, above-mentioned macromolecule exsiccator is connected with capillary tube.
The normal service life of compressor is 15 years, the gas stored in air accumulator of compressor operating in carrier gas unit
Equipment can be allowed normally to run 5 hours, the continuous operational monitoring in 24 hours of equipment, compressor also need to only start 5 times, it is actual to start frequency
Rate is more much lower than the frequency for designing, so the life-span of carrier gas unit kind compressor should be more than 15 years；Macromolecular filtering device
Projected life be that after continuous work 3 months, strainability can decline under general operating mode, if carrier gas unit 24 hours is even
Reforwarding row, compressor and macromolecular filtering device are while work, daily work 5 times or so, each run time of compressor
At 30 seconds or so, total daily to run 150 seconds, whole year operation time 150*365/3600=15.2 hours, so in carrier gas unit
The service life of middle macromolecular filtering device should be more than 100 years；Secondary filter allows for ready-made practical operation situation can
Can be relatively more severe, a kind of protection device worked in macromolecular filtering device hydraulic performance decline, more than 10 years projected life.
Preferably, above-mentioned degassing unit 5 includes deaerate cylinder, electromagnetic valve, spraying cylinder, liquid level sensor, pressure sensing
Device, spraying cylinder, position sensor, six-way injection valve, quantity tube and panel two, are connected with oil inlet pipe and lead on degassing cylinder
Cross out sample pipe and be connected to six-way injection valve, and be connected with the motor for driving work, to go out and liquid level sensor is connected with sample pipe
With spraying cylinder, pressure transducer is installed on aerosol apparatus cylinder, also including measurement step motor drive degassing cylinder displacement
Position sensor, two outlets of six-way injection valve are connected with quantity tube and two-port is also associated with post case unit and carrier gas list
Unit, electromagnetic valve, liquid level sensor, pressure transducer, spraying cylinder, motor, position sensor are connected to panel two, control
Making sheet two is connected to middle control unit, and the fluid of oil filled equipment in transformator is de-gassed by degassing cylinder, and the gas of generation passes through
Spraying cylinder carries out the air inlet sprayed into six-way injection valve, and is stored in quantity tube, and liquid level sensor is arranged on out sample
In cavity in pipe connection degassing oil cylinder vertical section, when liquid reaches given threshold in cavity, oily backflow is carried out.
Six-way injection valve operation principle：Rotary spool, is connected sampling air inlet and is connected with quantity tube first, quantity tube storage
Sample gas after spraying, continues rotary spool, quantity tube two ends is respectively communicated with carrier gas unit and post case unit, by carrier gas list
Sample pneumatic transmission in quantity tube is entered the oil colours post of post case unit for unit, and passes through the corresponding gas componant of gas sensor test.
Above-mentioned degassing unit is deaerated using vacuum spraying formula, and degassing efficiency is high, reproducible；Self-checking function is perfect, keeps away
Exempt to report by mistake, ensure oil sample with lower air content return transformer body.
Preferably, above-mentioned 1 front and rear end of cabinet housing is equipped with rotatable chamber door 6, easy to maintenance.
Preferably, above-mentioned 1 surface of cabinet housing has anti-corrosion layer, improves the anti-corrosion and sealing property of housing.
Preferably, the heat sink 7 of splicing, perfect heat-dissipating, service life is provided with 1 rear end chamber door 6 of above-mentioned cabinet housing
It is long.
Preferably, on above-mentioned carrier gas unit 2 front side be provided with pressure scale disk, can when safeguarding monitoring device use shape
State.
Preferably, above-mentioned post case unit 4 is provided with temperature scale disk, can when safeguarding monitoring device use state.
Preferably, above-mentioned 1 bottom of cabinet housing is provided with the supporting leg 8 of angle steel making, and 8 one side of supporting leg fits to machine
1 bottom of tank shell, vertically down, simple structure is easy to make, low cost for another side.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (10)
1. a kind of no carrier gas oil chromatography on-line monitoring system, it is characterised in that：Including cabinet housing（1）, cabinet housing（1）It is interior from
Top to bottm is removably provided with separable carrier gas unit（2）, middle control unit（3）, post case unit（4）With degassing unit（5）,
Carrier gas unit（2）For according to the automatic aerogenesis of pressure requirements and pressure detecting, middle control unit（3）For Data Analysis Services, deposit
Storage, supports remote data transmission, post case unit（4）For control by the flow of detector carrier gas, detector and chromatographic column
Sample gas are separated and are detected by temperature, and deaerate unit（5）For vacuum outgass, Oil-gas Separation is carried out, carrier gas unit（2）
Produced carrier gas is degassing unit（5）The sample gas of abjection drive post case unit（4）Separated and detected, then it is single by middle control
Unit（3）Carry out data processing and result is uploaded to into monitor terminal.
2. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Carrier gas unit（2）
Including compressor, macromolecule exsiccator, air accumulator, pressure maintaining valve, double filter, pressure controller, panel one, compressor goes out
Air accumulator is connected with trachea, double filter, macromolecule exsiccator and pressure maintaining valve is connected with air accumulator escape pipe in turn, is stored up
Pressure transducer and pressure controller, compressor, macromolecule exsiccator, pressure transducer and Stress control is also associated with gas tank
Device is connected to panel one, and panel one is connected to middle control unit.
3. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 2, it is characterised in that：Compressor pump escape pipe
Upper connection has trigger valve and check valve, air accumulator and double filter bottom to be respectively connected with drain valve, drain valve and startup successively
Valve is connected to panel one.
4. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 2, it is characterised in that：Macromolecule exsiccator
It is connected with capillary tube.
5. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Degassing unit（5）
Enter including degassing cylinder, electromagnetic valve, spraying cylinder, liquid level sensor, pressure transducer, spraying cylinder, position sensor, clematis stem
Sample valve, quantity tube and panel two, are connected with oil inlet pipe and are connected to six-way injection valve by going out sample pipe, and connect on degassing cylinder
The motor for driving work is connected to, is gone out liquid level sensor and spraying cylinder on sample pipe, pressure is installed on aerosol apparatus cylinder
Force transducer, the position sensor of the cylinder displacement that also deaerates including measurement step motor drive, the scene 2 of six-way injection valve
Mouth is connected with quantity tube and two-port is also associated with post case unit and carrier gas unit, electromagnetic valve, liquid level sensor, pressure sensing
Device, spraying cylinder, motor, position sensor are connected to panel two, and panel two is connected to middle control unit.
6. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Cabinet housing（1）
Front and rear end is equipped with rotatable chamber door（6）.
7. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Cabinet housing（1）
Has anti-corrosion layer in surface.
8. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Cabinet housing（1）
Rear end chamber door（6）The heat sink of splicing is provided with inside（7）.
9. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Carrier gas unit（2）
Upper front side is provided with pressure scale disk, post case unit（4）It is provided with temperature scale disk.
10. a kind of no carrier gas oil chromatography on-line monitoring system according to claim 1, it is characterised in that：Cabinet housing（1）
Bottom is provided with the supporting leg of angle steel making（8）, supporting leg（8）One side fits to cabinet housing（1）Bottom, another side are erected
Directly down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143673.8A CN106526055A (en) | 2016-12-13 | 2016-12-13 | No-load gas-oil chromatography online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143673.8A CN106526055A (en) | 2016-12-13 | 2016-12-13 | No-load gas-oil chromatography online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106526055A true CN106526055A (en) | 2017-03-22 |
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ID=58343131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611143673.8A Pending CN106526055A (en) | 2016-12-13 | 2016-12-13 | No-load gas-oil chromatography online monitoring system |
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| CN (1) | CN106526055A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020606A (en) * | 2016-11-04 | 2018-05-11 | 罗斯蒙特分析公司 | The monitoring of analyzer component |
| CN110108824A (en) * | 2019-05-24 | 2019-08-09 | 国电南瑞科技股份有限公司 | A kind of non-maintaining substation's oil chromatography carrier gas module |
| CN110646530A (en) * | 2019-09-17 | 2020-01-03 | 河南中分仪器股份有限公司 | Air source structure for providing carrier gas for chromatographic on-line monitoring, monitoring equipment and carrier gas method |
| CN113281427A (en) * | 2021-04-19 | 2021-08-20 | 常州市佳华电子有限公司 | Main transformer oil chromatogram on-line monitoring system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63253250A (en) * | 1987-04-10 | 1988-10-20 | Daihen Corp | Analysis of dissolved gas in insulating oil |
| JPH0498162A (en) * | 1990-08-17 | 1992-03-30 | Meidensha Corp | Abnormality monitoring device for transformer |
| JPH0499969A (en) * | 1990-08-20 | 1992-03-31 | Meidensha Corp | Monitoring apparatus for abnormality of transformer |
| CN101706482A (en) * | 2009-09-02 | 2010-05-12 | 江苏省电力试验研究院有限公司 | Full-automatic vacuum degasser and degassing method thereof |
| CN201477084U (en) * | 2009-09-01 | 2010-05-19 | 福建省福州电业局 | Oil filter and oil return system of chromatographic high-performance full-analysis online monitoring device |
| CN202092899U (en) * | 2011-06-08 | 2011-12-28 | 国电南京自动化股份有限公司 | Field gas sampling and purifying device |
| CN102735779A (en) * | 2012-05-18 | 2012-10-17 | 广西电网公司电力科学研究院 | Online chromatograph carrier gas harvesting device for directly harvesting gas from air |
| CN103149279A (en) * | 2013-01-30 | 2013-06-12 | 江苏有能电力自动化有限公司 | No-load gas oil color spectrum on-line monitoring device |
| CN106093257A (en) * | 2016-08-26 | 2016-11-09 | 南瑞通用电气智能监测诊断（武汉）有限公司 | The carrier gas cleaning system of transformer dissolved gas on-line monitoring equipment and technique thereof |
-
2016
- 2016-12-13 CN CN201611143673.8A patent/CN106526055A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63253250A (en) * | 1987-04-10 | 1988-10-20 | Daihen Corp | Analysis of dissolved gas in insulating oil |
| JPH0498162A (en) * | 1990-08-17 | 1992-03-30 | Meidensha Corp | Abnormality monitoring device for transformer |
| JPH0499969A (en) * | 1990-08-20 | 1992-03-31 | Meidensha Corp | Monitoring apparatus for abnormality of transformer |
| CN201477084U (en) * | 2009-09-01 | 2010-05-19 | 福建省福州电业局 | Oil filter and oil return system of chromatographic high-performance full-analysis online monitoring device |
| CN101706482A (en) * | 2009-09-02 | 2010-05-12 | 江苏省电力试验研究院有限公司 | Full-automatic vacuum degasser and degassing method thereof |
| CN202092899U (en) * | 2011-06-08 | 2011-12-28 | 国电南京自动化股份有限公司 | Field gas sampling and purifying device |
| CN102735779A (en) * | 2012-05-18 | 2012-10-17 | 广西电网公司电力科学研究院 | Online chromatograph carrier gas harvesting device for directly harvesting gas from air |
| CN103149279A (en) * | 2013-01-30 | 2013-06-12 | 江苏有能电力自动化有限公司 | No-load gas oil color spectrum on-line monitoring device |
| CN106093257A (en) * | 2016-08-26 | 2016-11-09 | 南瑞通用电气智能监测诊断（武汉）有限公司 | The carrier gas cleaning system of transformer dissolved gas on-line monitoring equipment and technique thereof |
Non-Patent Citations (1)
| Title |
|---|
| 何思阳: "无载气油色谱在线监测系统的设计与应用", 《中国电业》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020606A (en) * | 2016-11-04 | 2018-05-11 | 罗斯蒙特分析公司 | The monitoring of analyzer component |
| CN108020606B (en) * | 2016-11-04 | 2024-03-26 | 罗斯蒙特公司 | Monitoring of analyzer components |
| CN110108824A (en) * | 2019-05-24 | 2019-08-09 | 国电南瑞科技股份有限公司 | A kind of non-maintaining substation's oil chromatography carrier gas module |
| CN110646530A (en) * | 2019-09-17 | 2020-01-03 | 河南中分仪器股份有限公司 | Air source structure for providing carrier gas for chromatographic on-line monitoring, monitoring equipment and carrier gas method |
| CN113281427A (en) * | 2021-04-19 | 2021-08-20 | 常州市佳华电子有限公司 | Main transformer oil chromatogram on-line monitoring system |
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Application publication date: 20170322 |