CN201440135U - Multifunctional gas chromatograph gas path flow - Google Patents
Multifunctional gas chromatograph gas path flow Download PDFInfo
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- CN201440135U CN201440135U CN2009200911451U CN200920091145U CN201440135U CN 201440135 U CN201440135 U CN 201440135U CN 2009200911451 U CN2009200911451 U CN 2009200911451U CN 200920091145 U CN200920091145 U CN 200920091145U CN 201440135 U CN201440135 U CN 201440135U
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Abstract
The utility model relates to a multifunctional gas chromatograph gas path flow. A dissolved gas analysis gas path in oil and a gas content analysis gas path in oil are integrated by adopting a double-arm heat conducting detector. The gas path flow comprises two sample injection ports, three chromatogram columns, the double-arm heat conducting detector and two hydrogen flame detectors, wherein the two injection ports are connected with a carrier gas inlet in parallel; two chromatogram columns are connected in parallel at the rear part of the first sample injection port, one chromatogram column is connected with one hydrogen flame detector, and the other chromatogram column is connected with a nickel catalyst reformer and the other hydrogen flame detector through the first arm of the double-arm heat conducting detector; and the rear part of the second sample injection port is connected with the third chromatogram column and the second arm of the double-arm heat conducting detector. When the utility model is used for analyzing the dissolved gas in oil, the analysis of seven kinds of gases can be finished by only needing sample injection once so that the operation is simple and convenient, and the analysis time is short. When the utility model is used for analyzing the gas content in oil, any change of the gas path is not needed, and the analysis of nine kinds of gases can be finished by only needing sample injection twice, thereby the investment of analysis equipment is reduced, and the working efficiency of analysis personnel is improved.
Description
Technical field
The utility model relates to a kind of process of gas path of gas chromatograph, is mainly used in insulation dissolved gas analysis and gas content of oil analysis.
Background technology
It is hydrogen (H2) that standard GB/T 17623-1998 " the gas Chromatographic Determination method of insulation oil dissolved gas component concentration " requires to detect 7 kinds of characteristic gas, methane (CH4), ethane (C2H6), ethene (C2H4), acetylene (C2H2), carbon monoxide (CO), carbon dioxide (CO2), used instrument is the chromatograph that is used for the insulating oil conventional analysis, and at power industry standard DL/T 703-1999 just in " the gas Chromatographic Determination method of insulation gas content of oil ", on the basis of 7 kinds of characteristic gas, also require to detect oxygen (O2), nitrogen (N2) needs the another kind of instrument of measuring gassiness total amount in the oil this moment.In the process of gas path of in these two standards, recommending, no matter be 1 injection port or 2 injection ports, the process of gas path and the Related product that also do not have to carry out simultaneously two tests at present, not only work efficiency is lower, and has caused the very big wasting of resources.
Summary of the invention
The technical problems to be solved in the utility model is: design a kind of new process of gas path, this process of gas path adopts two injection ports, three root chromatogram columns, a both arms thermal conductivity detector (TCD), two hydrogen flame detectors, both dissolved gas analysis in the electric power transformer oil can be carried out, the gas content of oil analysis can be carried out again.
The technical scheme that its technical matters that solves the utility model adopts is: this process of gas path adopts two injection ports, three root chromatogram columns, a both arms thermal conductivity detector (TCD), two hydrogen flame detectors, two injection ports also are connected carrier gas inlet, two root chromatogram columns that are connected in parallel in first injection port back, a root chromatogram column separation of methane (CH
4), ethane (C
2H
6) ethene (C
2H
4), acetylene (C
2H
2), detect another root chromatogram column separation of hydrogen (H via hydrogen flame detector
2), carbon monoxide (CO), carbon dioxide (CO
2), detect hydrogen (H through both arms thermal conductivity detector (TCD) the first arm
2), carbon monoxide (CO) and carbon dioxide (CO
2), by the both arms thermal conductivity detector (TCD) after the catalysis of nickel accelerant reburner, with carbon monoxide (CO), carbon dioxide (CO
2) change into methane (CH
4), detect by second hydrogen flame detector again; Meet separable hydrogen (H behind second injection port
2), oxygen (O
2), nitrogen (N
2) chromatographic column, detect hydrogen (H through both arms thermal conductivity detector (TCD) second arm
2), oxygen (O
2), nitrogen (N
2).
The beneficial effects of the utility model are: by adopting the both arms of both arms thermal conductivity detector (TCD), dissolved gas analysis and gas content of oil analysis gas circuit have been incorporated into together, the gas circuit of shared detecting device and carrier gas, hydrogen, air, analyzing for two only needs a cover gas circuit, a chromatograph; Reduce the input of analytical equipment, improved analyst's work efficiency.
Description of drawings
Fig. 1 is the chromatograph process of gas path synoptic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, this process of gas path adopts two injection ports 2,10, three root chromatogram columns 3,5,12, a both arms thermal conductivity detector (TCD), the first arm 6,4,9, two injection ports 2,10 of 13, two hydrogen flame detectors of second arm also are connected on the carrier gas inlet 1, two root chromatogram columns 3,5 that are connected in parallel in first injection port 2 back, chromatographic column 3 separation of methane (CH
4), ethane (C
2H
6) ethene (C
2H
4), acetylene (C
2H
2), detect via hydrogen flame detector 4; Chromatographic column 5 separation of hydrogen (H
2), carbon monoxide (CO), carbon dioxide (CO
2), detect hydrogen (H through the first arm 6 of both arms thermal conductivity detector (TCD)
2), carbon monoxide (CO) and carbon dioxide (CO
2), then through 8 catalysis of nickel accelerant reburner, with carbon monoxide (CO), carbon dioxide (CO
2) change into methane (CH
4), detect by second hydrogen flame detector 9 again; Second injection port 10 back meets separable hydrogen (H
2), oxygen (O
2), nitrogen (N
2) chromatographic column 12, detect hydrogen (H through second arm 13 of both arms thermal conductivity detector (TCD)
2), oxygen (O
2), nitrogen (N
2); Hydrogen inlet 11 connects sources of hydrogen, for hydrogen flame detector 4,9 provides combustion gas, and provides reaction required hydrogen for nickel accelerant reburner 8; Air in 15 connects air source, for hydrogen flame detector 4,9 provides combustion-supporting gas; After needle valve 7,14 is connected on the both arms of thermal conductivity detector (TCD) respectively, be used to regulate the chromatographic column flow velocity.
The course of work of this process of gas path is:
When insulating dissolved gas analysis, at injection port 2 sample introductions, a part of sample is by chromatographic column 3 separation of methane (CH
4), ethane (C
2H
6) ethene (C
2H
4), acetylene (C
2H
2), detecting via hydrogen flame detector 4, another part sample is by chromatographic column 5 separation of hydrogen (H
2), carbon monoxide (CO) and carbon dioxide (CO
2), detect hydrogen H by the first arm 6 of thermal conductivity detector (TCD)
2, carbon monoxide (CO) and carbon dioxide (CO
2) be converted into methane (CH by nickel accelerant reburner 8 thereafter
4) after, detect by hydrogen flame detector 9 again.
When the gas content of oil that insulate is analyzed, at first at injection port 10 sample introductions, by chromatographic column 12 separation of hydrogen (H
2), oxygen (O
2), nitrogen (N
2), detect by second arm 13 of thermal conductivity detector (TCD), wait three chromatographic peaks all to detect after, at injection port 2 sample introductions, detect other gas composition again.
Claims (1)
1. multifunctional gas chromatographic device gas circuit flow is characterized in that: this process of gas path has adopted one dissolved gas analysis and gas content of oil can be analyzed the both arms thermal conductivity detector (TCD) that gas circuit combines; Adopt two injection ports (2,10), three root chromatogram columns (3,5,12), a both arms thermal conductivity detector (TCD) (6,13), two hydrogen flame detectors (4,9); Two injection ports (2,10) also are connected on the carrier gas inlet (1), two root chromatogram columns (3,5) are connected in parallel in first injection port (2) back, one root chromatogram column (3) connects hydrogen flame detector (4), and another root chromatogram column (5) connects thermal conductivity detector (TCD) the first arm (6), nickel accelerant reburner (8) and hydrogen flame detector (9) successively; Second injection port (10) back connects a root chromatogram column (12), and second arm (13) through thermal conductivity detector (TCD) connects nickel accelerant reburner (8) and hydrogen flame detector (9) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200911451U CN201440135U (en) | 2009-06-26 | 2009-06-26 | Multifunctional gas chromatograph gas path flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200911451U CN201440135U (en) | 2009-06-26 | 2009-06-26 | Multifunctional gas chromatograph gas path flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440135U true CN201440135U (en) | 2010-04-21 |
Family
ID=42544798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200911451U Expired - Fee Related CN201440135U (en) | 2009-06-26 | 2009-06-26 | Multifunctional gas chromatograph gas path flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440135U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907612A (en) * | 2010-07-29 | 2010-12-08 | 蓝星化工有限责任公司 | Method for carrying out gas chromatography on minor components contained in finished hydrogen |
| CN102297916A (en) * | 2011-05-21 | 2011-12-28 | 太原理工大学 | Chromatograph apparatus for detecting sulfides in gas material, and detection method thereof |
| CN102445498A (en) * | 2011-10-10 | 2012-05-09 | 上海科油石油仪器制造有限公司 | Automatic calibration method of process chromatograph |
| CN102507811A (en) * | 2011-11-11 | 2012-06-20 | 河南中分仪器股份有限公司 | Thermal conductivity detector and gas chromatograph dedicated for analysis of gas dissolved in insulating oil |
| CN102590422A (en) * | 2012-02-20 | 2012-07-18 | 淄博立伟自动化监控设备有限公司 | Special detection device for analyzing three-channel mine drainage gas |
| CN102735765A (en) * | 2011-04-05 | 2012-10-17 | 横河电机株式会社 | Chromatograph |
| CN104458936A (en) * | 2014-11-18 | 2015-03-25 | 河南中分仪器股份有限公司 | Single injection opening gas chromatograph for insulating oil analysis |
| CN104569207A (en) * | 2015-01-14 | 2015-04-29 | 成都彼斯特生物科技有限公司 | Networked gas chromatograph |
| CN105241987A (en) * | 2015-09-23 | 2016-01-13 | 河南中分仪器股份有限公司 | Automatic analyzer for dissolved gas in insulating oil |
| CN106290652A (en) * | 2016-09-21 | 2017-01-04 | 国家电网公司 | A kind of detection equipment for oil-filled equipment is detected |
| CN107505413A (en) * | 2017-08-16 | 2017-12-22 | 国网四川省电力公司电力科学研究院 | For determining the gas chromatograph of propylene and propane content in insulating oil |
-
2009
- 2009-06-26 CN CN2009200911451U patent/CN201440135U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907612A (en) * | 2010-07-29 | 2010-12-08 | 蓝星化工有限责任公司 | Method for carrying out gas chromatography on minor components contained in finished hydrogen |
| CN102735765A (en) * | 2011-04-05 | 2012-10-17 | 横河电机株式会社 | Chromatograph |
| CN102297916A (en) * | 2011-05-21 | 2011-12-28 | 太原理工大学 | Chromatograph apparatus for detecting sulfides in gas material, and detection method thereof |
| CN102445498A (en) * | 2011-10-10 | 2012-05-09 | 上海科油石油仪器制造有限公司 | Automatic calibration method of process chromatograph |
| CN102445498B (en) * | 2011-10-10 | 2013-06-05 | 上海科油石油仪器制造有限公司 | Automatic calibration method of process chromatograph |
| CN102507811B (en) * | 2011-11-11 | 2014-04-23 | 河南中分仪器股份有限公司 | Thermal conductivity detector and gas chromatograph dedicated for analysis of gas dissolved in insulating oil |
| CN102507811A (en) * | 2011-11-11 | 2012-06-20 | 河南中分仪器股份有限公司 | Thermal conductivity detector and gas chromatograph dedicated for analysis of gas dissolved in insulating oil |
| CN102590422A (en) * | 2012-02-20 | 2012-07-18 | 淄博立伟自动化监控设备有限公司 | Special detection device for analyzing three-channel mine drainage gas |
| CN102590422B (en) * | 2012-02-20 | 2014-04-02 | 淄博立伟自动化监控设备有限公司 | Special detection device for analyzing three-channel mine drainage gas |
| CN104458936A (en) * | 2014-11-18 | 2015-03-25 | 河南中分仪器股份有限公司 | Single injection opening gas chromatograph for insulating oil analysis |
| CN104458936B (en) * | 2014-11-18 | 2016-06-29 | 河南中分仪器股份有限公司 | For single injection port gas chromatograph that insulating oil is analyzed |
| CN104569207A (en) * | 2015-01-14 | 2015-04-29 | 成都彼斯特生物科技有限公司 | Networked gas chromatograph |
| CN105241987A (en) * | 2015-09-23 | 2016-01-13 | 河南中分仪器股份有限公司 | Automatic analyzer for dissolved gas in insulating oil |
| CN106290652A (en) * | 2016-09-21 | 2017-01-04 | 国家电网公司 | A kind of detection equipment for oil-filled equipment is detected |
| CN106290652B (en) * | 2016-09-21 | 2019-05-24 | 国家电网公司 | A kind of detection device for being detected to oil-filled equipment |
| CN107505413A (en) * | 2017-08-16 | 2017-12-22 | 国网四川省电力公司电力科学研究院 | For determining the gas chromatograph of propylene and propane content in insulating oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20100626 |