CN204008580U - For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed - Google Patents
For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed Download PDFInfo
- Publication number
- CN204008580U CN204008580U CN201420485148.4U CN201420485148U CN204008580U CN 204008580 U CN204008580 U CN 204008580U CN 201420485148 U CN201420485148 U CN 201420485148U CN 204008580 U CN204008580 U CN 204008580U
- Authority
- CN
- China
- Prior art keywords
- helium
- carrier gas
- way valve
- chromatographic column
- decomposition product
- 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.)
- Expired - Fee Related
Links
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model is a kind of for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, is characterized in that: described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis comprises heartcut device and two helium ionization detector; Described heartcut device comprises four transfer valves, six chromatographic columns and seven carrier gas gas circuits, and four described transfer valves are two ten-way valves and two six-way valves; Described two helium ionization detectors comprise two cover helium ionization detector devices.Described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis also comprises chromatograph box temperature regulating device and the carrier gas isolated air assembly of dying, described chromatograph box temperature regulating device comprises a set of temperature programme post case and the independent pillar temperature control post case of three covers, and the described carrier gas isolated air assembly of dying comprises a set of four-way valve system and a set of carrier gas gas circuit.The utility model is realized single injected sampling operation and is completed SF
6the total analysis of decomposition product.
Description
Technical field
The utility model relates to a kind of gas chromatography system, particularly discloses a kind of helium ionized gas phase chromatographic system of Analysis of Micro-amount Impurities In Liquid, utilizes ppb rank impurity in the high-sensitivity detection germane of helium ion detector, is a kind of for SF
6the checkout equipment that decomposition product is analyzed.
Background technology
SF
6decomposition product is at operation electric equipment protection gas SF
6in operational process or operation after, equipment produce electric discharge or overheated generated product, decomposition product respectively: H
2, O
2, N
2, CH
4, CF
4, CO, CO
2, C
2f
6, C
3f
8, H
2s, COS, F
2sO
2, FSO
2, SO
2deng, by detecting SF
6decomposition product, can detect electrical equipment fault, and in addition trouble-saving generation, thereby ensures industry and civilian electric power supply.
Present analysis high-purity gas, TCD or fid detector that domestic general employing is traditional, their detector sensitivity is scarcely high, and analyze required impurity possibly several chromatograms be used in conjunction and could realize total analysis.SF
6the equipment of decomposition product is just more complicated.Domestic and even international general employing TCD and FPD detecting device.The sensitivity that TCD detects is low, cannot reach the object of effective detection, and FPD is to SF
6respond very greatly, affect the qualitative, quantitative of decomposition product.Due to the disappearance of related detecting method, demestic user is for SF
6decomposition product stratographic analysis exists blind spot.
Summary of the invention
The purpose of this utility model solves a difficult problem for prior art, and design is a kind of for SF
6the helium ionized gas phase chromatographic system of decomposition product, improves SF
6the analysis of decomposition product, the utility model suitable for China, can be accepted by user.
The utility model is achieved in that a kind of for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, is characterized in that: described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis comprises heartcut device and two helium ionization detector; Described heartcut device comprises four transfer valves, six chromatographic columns and seven carrier gas gas circuits, and four described transfer valves are two ten-way valves and two six-way valves; Described two helium ionization detectors comprise two cover helium ionization detector devices.Described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis also comprises chromatograph box temperature regulating device, and described chromatograph box temperature regulating device comprises a set of temperature programme post case and the independent pillar temperature control post case of three covers.Described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis also comprises the carrier gas isolated air assembly of dying, and the described carrier gas isolated air assembly of dying comprises a set of four-way valve system and a set of carrier gas gas circuit.
Described heartcut device also comprises that is selected an emptying solenoid valve; The concrete circuit switched of described heartcut device is as follows: the first carrier gas is connected with the first ten-way valve, the sample that the first carrier gas is carried in the first quantity tube enters the first chromatographic column, the first chromatographic column is connected with the first six-way valve, the second chromatographic column is entered in selection effect through the first six-way valve, sample flows out laggard the second six-way valve through the second chromatographic column, and the second six-way valve flows out the PDD2 detecting device of laggard the second helium ionization detector device; The second carrier gas is connected with the first ten-way valve, and the sample that the second carrier gas is carried in the second quantity tube enters the 3rd chromatographic column, and sample flows out laggard the second six-way valve from the 3rd chromatographic column, and the second six-way valve flows out the PDD2 detecting device of laggard the second helium ionization detector device; The 5th carrier gas is connected with the second ten-way valve, and the sample that the 5th carrier gas is carried in the 3rd quantity tube enters the 4th chromatographic column, and sample separates laggard the 5th chromatographic column through the 4th chromatographic column, flows out the PDD1 detecting device of laggard the first helium ionization detector device through the 5th chromatographic column; The 4th carrier gas is connected with the second ten-way valve, and the second ten-way valve is connected with the 6th chromatographic column, and sample flows out the 6th chromatographic column and enters to select emptying solenoid valve, and sample is from selecting emptying solenoid valve to flow out the PDD1 detecting device of laggard the first helium ionization detector device; The 6th carrier gas is connected respectively the PDD1 detecting device of the first helium ionization detector device and the PDD2 detecting device of the second helium ionization detector device with the 7th carrier gas.
The utility model all has the countercharge chromatographic work station of instrument to complete by just blowing with the action of heartcut of ten direction changeover valves (being ten-way valve) and six direction changeover valves (being six-way valve), the corresponding external event of each valve is controlled, the order of its action is also by the event execution that programs, Realization analysis process automation like this, move always reliable fast, the repeatability of apparatus measures result and stability by stable gas circuit flow control and accurately automatically valve switch to ensure.The utility model adopts valco band to purge pneumatic transfer valve, avoids the counter-infiltration of air in gas circuit handoff procedure.The utility model also adopts valco 1/16 " 0.75mm does gas circuit pipe, and impermeability is good; Technological innovation and product quality are secure.
The beneficial effects of the utility model are: the utility model is for SF
6the total analysis of decomposition product, adopts four valves to connect, and heartcut, blowback and emptying sample, avoided sample to enter in a large number detecting device, causes the pollution of detecting device, improved the life-span of detecting device; Adopt four valves to connect, can character per sample select different chromatographic columns to separate, thereby improve the effect separating.Finally realize ppb rank impurity analysis by helium ionization detector high sensitivity, realize single injected sampling operation and complete SF
6the total analysis of decomposition product.
Brief description of the drawings
Fig. 1 is the utility model sample sampling wiring diagram.
Fig. 2 is the utility model sample feeding wiring diagram.
Fig. 3 is that the utility model sample is selected into the second chromatographic column wiring diagram.
Fig. 4 is that the utility model sample is selected into PDD2 detecting device circuit figure.
Fig. 5 is that after the utility model is died, carrier gas forms sealing system wiring diagram.
In figure: 1, the first ten-way valve; 2, the first six-way valve; 3, the second six-way valve; 4, the second ten-way valve; 5, the first quantity tube; 6, the second quantity tube; 7, the 3rd quantity tube; 8, the first chromatographic column; 9, the 3rd chromatographic column; 10, the 4th chromatographic column; 11, the 5th chromatographic column; 12, the second chromatographic column; 13, the 6th chromatographic column; 14, PDD1 detecting device; 15, PDD2 detecting device; 16, four-way valve; 17, select emptying solenoid valve.
Embodiment
1～accompanying drawing 5 with reference to the accompanying drawings, the utility model is a kind of for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, comprises heartcut device, chromatograph box temperature regulating device, carrier gas die isolated air assembly and two helium ionization detector.Heartcut device comprises four transfer valves (being respectively the first ten-way valve 1, the first six-way valve 2, the second six-way valve 3 and the second ten-way valve 4), six chromatographic columns (being respectively the first chromatographic column 8, the 3rd chromatographic column 9, the 4th chromatographic column 10, the 5th chromatographic column 11, the second chromatographic column 12 and the 6th chromatographic column 13), seven carrier gas gas circuits (i.e. the first gas circuit to the 7th carrier gas) and a selection emptying solenoid valve 17.Chromatograph box temperature regulating device comprises a set of temperature programme post case and the independent pillar temperature control post case of three covers.The carrier gas isolated air assembly of dying comprises a set of four-way valve system and a set of carrier gas gas circuit (i.e. the gas circuit of the 8th carrier gas), and four-way valve system comprises four-way valve 16, and carrier gas gas circuit is the 8th carrier gas.Two helium ionization detectors comprise two cover helium ionization detector devices, and two cover helium ionization detector devices comprise respectively PDD1 detecting device 14 and PDD2 detecting device 15.
The concrete circuit switched of the utility model heartcut device is as follows: the first carrier gas is connected with the first ten-way valve 1, the sample that the first carrier gas is carried in the first quantity tube 5 enters the first chromatographic column 8, the first chromatographic column 8 is connected with the first six-way valve 2, enter the second chromatographic column 12 through the selection effect of the first six-way valve 2, sample flows out laggard the second six-way valve 3, the second six-way valves 3 and flows out the PDD2 detecting device 15 of laggard the second helium ionization detector device through the second chromatographic column 12; The second carrier gas is connected with the first ten-way valve 1, the sample that the second carrier gas is carried in the second quantity tube 6 enters the 3rd chromatographic column 9, sample flows out laggard the second six-way valve 3, the second six-way valves 3 and flows out the PDD2 detecting device 15 of laggard the second helium ionization detector device from the 3rd chromatographic column 9; The 5th carrier gas is connected with the second ten-way valve 4, the sample that the 5th carrier gas is carried in the 3rd quantity tube 7 enters the 4th chromatographic column 10, sample separates laggard the 5th chromatographic column 11 through the 4th chromatographic column 10, flows out the PDD1 detecting device 14 of laggard the first helium ionization detector device through the 5th chromatographic column 11; The 4th carrier gas is connected with the second ten-way valve 4, the second ten-way valve 4 is connected with the 6th chromatographic column 13, sample flows out the 6th chromatographic column 13 and enters to select emptying solenoid valve 17, and sample is from selecting emptying solenoid valve 17 to flow out the PDD1 detecting device 14 of laggard the first helium ionization detector device; The 6th carrier gas is connected respectively the PDD1 detecting device 14 of the first helium ionization detector device and the PDD2 detecting device 15 of the second helium ionization detector device with the 7th carrier gas.
The utility model is for SF
6decomposition product analysis is analyzed, and realizes ppb rank impurity analysis by helium ionization detector high sensitivity, realizes single injected sampling operation and completes SF
6the total analysis of decomposition product.
Embodiment:
With reference to the accompanying drawings 1, sample is full of respectively the first quantity tube 5, the second quantity tube 6 and the 3rd quantity tube 7 by the first ten-way valve 1, completes the sampling process of sample.
With reference to the accompanying drawings 2, sample completes after sampling, rotates the first ten-way valve 1 and the second ten-way valve 4, completes sample feeding process.
With reference to the accompanying drawings 2 and accompanying drawing 3, after sample feeding completes, sample enters the first chromatographic column 8, and after the first chromatographic column 8 pre-separations, effective constituent is entered the second chromatographic column 12 by the first six-way valve 2, again thoroughly separates; Do not need the component detecting after the first chromatographic column 8 pre-separations, switch the first six-way valve 2, carry out emptying effectively.As required, can repeat above repeatedly action, thereby complete heartcut.
With reference to the accompanying drawings 3 and accompanying drawing 4, the first quantity tubes in sample enter the 3rd chromatographic column separate after enter the second six-way valve; In the second quantity tube 6, sample enters the second six-way valve after heartcut, and appearance time is per sample selected to switch the second six-way valve 3, allows two-way sample enter respectively PDD2 detecting device 15, completes the analysis of sample in the first quantity tube 5 and the second quantity tube 6.
With reference to the accompanying drawings 1,2 and 3, sample in the 3rd quantity tube 7 is after sample introduction, first arrive the 4th chromatographic column 10, after the 4th chromatographic column 10 pre-separations, first flow out component and enter the 5th chromatographic column 11, rear outflow component enters the 6th chromatographic column 13, the selection of the component flowing out by selection emptying solenoid valve 17, converges with the 5th chromatographic column 11 from the 6th chromatographic column 13, two-way component enters PDD1 detecting device 14 after converging, complete the analysis of sample in the 3rd quantity tube 7.
With reference to the accompanying drawings 5, after instrument cuts out, after carrier gas is closed, switch four-way valve 16, make the carrier gas road of whole system in air-tight state, effectively prevent entering of air, be conducive to the shortening of on time next time.
The above is preferred embodiment of the present utility model, and protection of the present utility model is as the criterion described in the utility model claim, and all equivalent variations of doing according to the utility model and replacement all should belong to the protection domain of the utility model patent.
Claims (4)
1. one kind for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, is characterized in that: described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis comprises heartcut device and two helium ionization detector; Described heartcut device comprises four transfer valves, six chromatographic columns and seven carrier gas gas circuits, and four described transfer valves are two ten-way valves and two six-way valves; Described two helium ionization detectors comprise two cover helium ionization detector devices.
According to described in claim 1 for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, is characterized in that: described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis also comprises chromatograph box temperature regulating device, and described chromatograph box temperature regulating device comprises a set of temperature programme post case and the independent pillar temperature control post case of three covers.
According to described in claim 1 for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, is characterized in that: described for SF
6the helium ionized gas phase chromatographic system of decomposition product analysis also comprises the carrier gas isolated air assembly of dying, and the described carrier gas isolated air assembly of dying comprises a set of four-way valve system and a set of carrier gas gas circuit.
According to described in claim 1 for SF
6the helium ionized gas phase chromatographic system that decomposition product is analyzed, is characterized in that: described heartcut device also comprises that is selected an emptying solenoid valve; The concrete circuit switched of described heartcut device is as follows: the first carrier gas is connected with the first ten-way valve (1), the sample that the first carrier gas is carried in the first quantity tube (5) enters the first chromatographic column (8), the first chromatographic column (8) is connected with the first six-way valve (2), enter the second chromatographic column (12) through the selection effect of the first six-way valve (2), sample flows out laggard the second six-way valve (3) through the second chromatographic column (12), and the second six-way valve (3) flows out the PDD2 detecting device (15) of laggard the second helium ionization detector device; The second carrier gas is connected with the first ten-way valve (1), the sample that the second carrier gas is carried in the second quantity tube (6) enters the 3rd chromatographic column (9), sample flows out laggard the second six-way valve (3) from the 3rd chromatographic column (9), and the second six-way valve (3) flows out the PDD2 detecting device (15) of laggard the second helium ionization detector device; The 5th carrier gas is connected with the second ten-way valve (4), the sample that the 5th carrier gas is carried in the 3rd quantity tube (7) enters the 4th chromatographic column (10), sample separates laggard the 5th chromatographic column (11) through the 4th chromatographic column (10), flows out the PDD1 detecting device (14) of laggard the first helium ionization detector device through the 5th chromatographic column (11); The 4th carrier gas is connected with the second ten-way valve (4), the second ten-way valve (4) is connected with the 6th chromatographic column (13), sample flows out the 6th chromatographic column (13) and enters to select emptying solenoid valve (17), and sample is from selecting emptying solenoid valve (17) to flow out the PDD1 detecting device (14) of laggard the first helium ionization detector device; The 6th carrier gas is connected respectively the PDD1 detecting device (14) of the first helium ionization detector device and the PDD2 detecting device (15) of the second helium ionization detector device with the 7th carrier gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485148.4U CN204008580U (en) | 2014-08-27 | 2014-08-27 | For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485148.4U CN204008580U (en) | 2014-08-27 | 2014-08-27 | For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008580U true CN204008580U (en) | 2014-12-10 |
Family
ID=52048560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420485148.4U Expired - Fee Related CN204008580U (en) | 2014-08-27 | 2014-08-27 | For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008580U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155402A (en) * | 2014-08-27 | 2014-11-19 | 上海华爱色谱分析技术有限公司 | Helium ionization gas chromatography system for analyzing decomposition products of SF6 |
| CN109459510A (en) * | 2018-11-14 | 2019-03-12 | 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 | A kind of more helium ion detection systems |
| CN109459512A (en) * | 2018-11-14 | 2019-03-12 | 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 | A kind of shortening SF6The system and rapid detection method in decomposition product detection sampling period |
| CN110726794A (en) * | 2019-10-23 | 2020-01-24 | 朗析仪器（上海）有限公司 | Analysis system for full analysis of decomposition products in sulfur hexafluoride mixed gas |
| CN114034795A (en) * | 2021-11-15 | 2022-02-11 | 北京放射性核素实验室 | Full-component gas chromatography separation and analysis method and device for argon, krypton and xenon in atmosphere based on multidimensional chromatography, center cutting and reverse purging |
-
2014
- 2014-08-27 CN CN201420485148.4U patent/CN204008580U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155402A (en) * | 2014-08-27 | 2014-11-19 | 上海华爱色谱分析技术有限公司 | Helium ionization gas chromatography system for analyzing decomposition products of SF6 |
| CN109459510A (en) * | 2018-11-14 | 2019-03-12 | 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 | A kind of more helium ion detection systems |
| CN109459512A (en) * | 2018-11-14 | 2019-03-12 | 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 | A kind of shortening SF6The system and rapid detection method in decomposition product detection sampling period |
| CN110726794A (en) * | 2019-10-23 | 2020-01-24 | 朗析仪器（上海）有限公司 | Analysis system for full analysis of decomposition products in sulfur hexafluoride mixed gas |
| CN114034795A (en) * | 2021-11-15 | 2022-02-11 | 北京放射性核素实验室 | Full-component gas chromatography separation and analysis method and device for argon, krypton and xenon in atmosphere based on multidimensional chromatography, center cutting and reverse purging |
| CN114034795B (en) * | 2021-11-15 | 2024-03-12 | 北京放射性核素实验室 | Method and device for separating and analyzing argon krypton-xenon full-component gas chromatography in atmosphere based on multidimensional chromatography, center cutting and reverse purging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104155402B (en) | For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed | |
| CN204008580U (en) | For SF 6the helium ionized gas phase chromatographic system that decomposition product is analyzed | |
| CN103675140A (en) | Helium ionized gas chromatographic analyzer for analyzing trace impurities in high-purity germane gas | |
| CN101629936B (en) | Pulse helium ionized gas phase chromatographic instrument | |
| CN102628846B (en) | Gas chromatography detection system and method for analyzing trace impurities in ultrahigh pure gas | |
| CN207457147U (en) | A kind of non-methane total hydrocarbons and benzene homologues on-line monitoring chromatograph | |
| CN104198601B (en) | A kind of chromatographic column analytical equipment in parallel and method | |
| CN104198638A (en) | Chromatographic analysis system and method for detecting sulfur hexafluoride decomposition products | |
| CN104076102A (en) | Analyzer for gas dissolved in mobile type insulating oil and detection method of gas dissolved in mobile type insulating oil | |
| CN217180751U (en) | A analytical equipment that is arranged in electron gas difluoromethane impurity to detect | |
| CN104764848A (en) | Gas chromatograph for gas analysis in production field | |
| CN111323525B (en) | Non-methane total hydrocarbon and benzene series concentration on-line analysis and detection device | |
| CN104931615A (en) | Device and method for analyzing trace impurities in gas | |
| CN104297382A (en) | Gas chromatograph for analyzing trace impurities in electronic grade hexafluoroethane | |
| CN211179670U (en) | VOC on-line extraction enrichment analysis system | |
| CN206573538U (en) | One kind is used to detect VOCs in ambient air full constituent fexible unit | |
| CN203672844U (en) | Helium ionization gas chromatograph for analyzing trace impurities in high-purity germane gas | |
| CN202305489U (en) | Chromatographic instrument for detecting failure of SF6 electric equipment | |
| CN112986442B (en) | Oil-gas integrated detection gas chromatograph for high-voltage electrical equipment | |
| CN102053129A (en) | Analytical method for electronic grade CF4 | |
| CN108627604A (en) | One kind is for detecting VOCs in ambient air full constituent fexible unit | |
| CN202548108U (en) | Gas chromatography detection system for analyzing trace impurities in ultrahigh pure gas | |
| CN104359988B (en) | A kind of gas-chromatography detection method of new mineral dissolved gas analysis | |
| CN102539608B (en) | A kind of chromatographic detection apparatus and method | |
| CN203745437U (en) | Separation and analysis device for light components in coal-bed methane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20141210 Termination date: 20160827 |