CN106771305A - A kind of gas automatic sampling device - Google Patents
A kind of gas automatic sampling device Download PDFInfo
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- CN106771305A CN106771305A CN201710045925.1A CN201710045925A CN106771305A CN 106771305 A CN106771305 A CN 106771305A CN 201710045925 A CN201710045925 A CN 201710045925A CN 106771305 A CN106771305 A CN 106771305A
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- sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of gas automatic sampling device,Including sampling system,Sampling pump,Triple valve,Automatic ten-way valve,First carrier gas pipe,Second carrier gas pipe,First chromatographic column,Second chromatographic column,First quantity tube,Second quantity tube and fid detector,The output end of the sampling system is connected with the input of sampling pump,The output end of the sampling pump is connected with the front end interface of triple valve,The back end interface of the triple valve is connected with 1 interface of automatic ten-way valve,Sample efferent duct is connected with 2 interfaces of the automatic ten-way valve,3 interfaces and 6 interfaces of the automatic ten-way valve are connected by the second quantity tube,Compared with prior art,Manpower can be saved,Improve operating efficiency,Improve sample introduction accuracy,Improve the reappearance and accuracy of analysis,And it is simple to operate,It is stable,It is capable of achieving to start chromatograph simultaneously,Improve the reappearance of analysis,It is not take up GC injection ports,Take into account hand sampling.
Description
【Technical field】
The present invention relates to the technical field of gas detection equipment, particularly a kind of technical field of gas automatic sampling device.
【Background technology】
Sample introduction refer to will it is tested it is gasometric be added in sample bottle or chromatographic column, be to carry out gas experiment, such as chromatogram
Analyze the committed step of experiment.Traditional gas sampling mode carries out gas sampling manually for experimenter, manually boots analysis,
Not only waste of manpower, inefficiency, and sample introduction accuracy is reduced, so as to reduce the reappearance and accuracy of analysis.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of gas automatic sampling device, can be saved
Manpower, improves operating efficiency, improves sample introduction accuracy, improves the reappearance and accuracy of analysis.
To achieve the above object, the present invention proposes a kind of gas automatic sampling device, including sampling system, sampling pump, three
Port valve, automatic ten-way valve, the first carrier gas pipe, the second carrier gas pipe, the first chromatographic column, the second chromatographic column, the first quantity tube, second are determined
Buret and fid detector, the output end of the sampling system are connected with the input of sampling pump, the output end of the sampling pump with
The front end interface connection of triple valve, the back end interface of the triple valve is connected with 1 interface of automatic ten-way valve, and described automatic ten lead to
Sample efferent duct is connected with 2 interfaces of valve, 3 interfaces and 6 interfaces of the automatic ten-way valve are connected by the second quantity tube, institute
The input for stating the first chromatographic column and the second chromatographic column is connected with 4 interfaces and 8 interfaces of automatic ten-way valve respectively, first color
Spectrum post and the output end of the second chromatographic column be connecteds with fid detector, and 10 interfaces and 7 interfaces of the automatic ten-way valve pass through the
Certain buret connection, the first carrier gas pipe and the second carrier gas pipe are connected with 9 interfaces and 5 interfaces of automatic ten-way valve respectively.
Preferably, the sampling system includes some sampling valves and purging tracheae, the sampling valve is sequentially connected in series one
Rise, purging tracheae is connected with a sample tap for sampling valve in some sampling valves.
Preferably, the sampling valve is to be provided with 2 to 128 sampling valves of sample tap, the quantity of the sampling valve is
Two.
Preferably, the sampling valve is to be provided with 16 sampling valves of sample tap, the output end of the sampling valve of lower section with it is upper
The 16 sample taps connection of the sampling valve of side, the output end of the sampling valve of top is connected with the input of sampling pump, the purge gass
Pipe is connected with 13 sample taps of the sampling valve of lower section.
Preferably, the upper port of the triple valve is connected with hand sampling pipe.
Beneficial effects of the present invention：The present invention operationally, 1, sampling install：With glass sample containers or airbag at the scene
After the completion of sampling, by sample port good seal, laboratory is taken back, the position number of needs is set on instrument, control system can be automatic right
The position number is purged using purge gass, and purging throughput is set by voltage stabilization and current stabilization system, during by control software to purging
Between be configured, by the purging to sample introduction pipeline, it is ensured that the cleaning of sample introduction pipeline and prevent pipeline from blocking, improve sample introduction
Repeatability, after purging is finished, glass sample containers or airbag need the sample tap of position number installed in setting by snap joint
On；2nd, sample feeding analysis：Windows softwares, the analysis sequence that analyst needs according to oneself, set on software, so
Click on afterwards after starting, program can be according to the requirement of analysis, it would be desirable to which the position number of analysis switches in sampling gas circuit, and sample is in sample introduction
Under the drive of pump, enter into first quantity tube and the second quantity tube of automatic ten-way valve, the first quantity tube and second are quantified
After pipe is sufficiently displaced from, sampling pump is closed, then switch automatic ten-way valve, the sample in the first quantity tube and the second quantity tube is being carried
Enter the first chromatographic column and the second chromatographic column under the drive respectively of gas simultaneously respectively, can be with analytical column sample by the first chromatographic column
The content of middle methane, the content of total hydrocarbon in sample is gone out by the second chromatogram column analysis, and the content of the content deduction methane of total hydrocarbon is
The content of NMHC is can obtain, compared with prior art, manpower can be saved, improve operating efficiency, improve sample introduction accurate
Property, the reappearance and accuracy of analysis are improved, and it is simple to operate, it is stable, it is capable of achieving to start chromatograph simultaneously, improve
The reappearance of analysis, is not take up GC injection ports, takes into account hand sampling.
Feature of the invention and advantage will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of gas automatic sampling device of the invention.
In figure：1- sampling systems, 2- sampling pumps, 3- triple valves, the automatic ten-way valves of 4-, the first carrier gas of 5- pipe, 6- second are carried
Tracheae, the chromatographic columns of 7- first, the chromatographic columns of 8- second, the quantity tubes of 9- first, the quantity tubes of 10- second, the sampling valves of 11- first, 12-
Two sampling valves, 13- purgings tracheae, 14- hand samplings pipe, 15-FID detectors.
【Specific embodiment】
Refering to Fig. 1, a kind of gas automatic sampling device of the invention, including sampling system 1, sampling pump 2, triple valve 3, automatic ten
Port valve 4, the first carrier gas pipe 5, the second carrier gas pipe 6, the first chromatographic column 7, the second chromatographic column 8, the first quantity tube 9, the second quantity tube
10 and fid detector 15, the output end of the sampling system 1 is connected with the input of sampling pump 2, the output of the sampling pump 2
End is connected with the front end interface of triple valve 3, and the back end interface of the triple valve 3 is connected with 1 interface of automatic ten-way valve 4, described
Sample efferent duct is connected with 2 interfaces of automatic ten-way valve 4,3 interfaces and 6 interfaces of the automatic ten-way valve 4 are determined by second
Buret 10 is connected, and the input of the chromatographic column 8 of first chromatographic column 7 and second connects with 4 interfaces of automatic ten-way valve 4 and 8 respectively
Mouth connection, the output end of the chromatographic column 8 of first chromatographic column 7 and second is connected with fid detector 15, the automatic ten-way valve
4 10 interfaces and 7 interfaces are connected by the first quantity tube 9, and the first carrier gas pipe 5 and the second carrier gas pipe 6 are respectively with automatic ten
9 interfaces of port valve 4 and 5 interfaces are connected, and the sampling system 1 includes some sampling valves 11 and purging tracheae 12, the sampling valve
11 are sequentially connected in series together, and purging tracheae 12 is connected with a sample tap for sampling valve 11 in some sampling valves 11,
The sampling valve 11 is to be provided with 2 to 128 sampling valves of sample tap 11, and the quantity of the sampling valve 11 is two, described to take
To be provided with 16 sampling valves of sample tap, the output end of the sampling valve 11 of lower section is sampled sample valve 11 with the 16 of the sampling valve 11 of top
Mouth connection, the output end of the sampling valve 11 of top is connected with the input of sampling pump 2, the sampling of the purging tracheae 13 and lower section
The 13 sample taps connection of valve 11, the upper port of the triple valve 3 is connected with hand sampling pipe 14.
The course of work of the present invention：
A kind of gas automatic sampling device of the present invention in the course of the work, 1, sampling installs：With glass sample containers or airbag
After the completion of sampling at the scene, by sample port good seal, laboratory is taken back, the position number of needs, control system meeting are set on instrument
Automatically the position number is purged using purge gass, purging throughput is set by voltage stabilization and current stabilization system, by control software pair
Purge time is configured, by the purging to sample introduction pipeline, it is ensured that the cleaning of sample introduction pipeline and prevent pipeline from blocking, and improves
The repeatability of sample introduction, after purging is finished, glass sample containers or airbag need taking for position number by snap joint installed in setting
On sample mouthful；2nd, sample feeding analysis：Windows softwares, the analysis sequence that analyst needs according to oneself sets on software
Good, after then clicking on beginning, program can be according to the requirement of analysis, it would be desirable to which the position number of analysis switches in sampling gas circuit, sample
Under the drive of sampling pump 2, enter into first quantity tube 9 and the second quantity tube 10 of automatic ten-way valve 4, by the first quantity tube
9 and second quantity tube 10 be sufficiently displaced from after, close sampling pump 2, then switch automatic ten-way valve 4, the first quantity tube 9 and second is fixed
Sample in buret 10 enters the first chromatographic column 7 and the second chromatographic column 8 simultaneously respectively under the drive respectively of carrier gas, by first
Chromatographic column 7 can analyze the content of total hydrocarbon in sample, total hydrocarbon by the second chromatographic column 8 with the content of methane in analytical column sample
Content deduct methane content be the content that can obtain NMHC, compared with prior art, manpower can be saved, improve
Operating efficiency, improves sample introduction accuracy, improves the reappearance and accuracy of analysis, and simple to operate, stable, is capable of achieving
Start chromatograph simultaneously, improve the reappearance of analysis, be not take up GC injection ports, take into account hand sampling.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (5)
1. a kind of gas automatic sampling device, it is characterised in that：Including sampling system (1), sampling pump (2), triple valve (3), automatic
Ten-way valve (4), the first carrier gas pipe (5), the second carrier gas pipe (6), the first chromatographic column (7), the second chromatographic column (8), the first quantity tube
(9), the second quantity tube (10) and fid detector (15), the output end of the sampling system (1) and the input of sampling pump (2)
Connection, the output end of the sampling pump (2) is connected with the front end interface of triple valve (3), the back end interface of the triple valve (3) and
The 1 interface connection of automatic ten-way valve (4), is connected with sample efferent duct on 2 interfaces of the automatic ten-way valve (4), described automatic
3 interfaces and 6 interfaces of ten-way valve (4) are by the second quantity tube (10) connection, first chromatographic column (7) and the second chromatographic column
(8) input is connected with 4 interfaces and 8 interfaces of automatic ten-way valve (4) respectively, first chromatographic column (7) and the second chromatogram
The output end of post (8) is connected with fid detector (15), and 10 interfaces and 7 interfaces of the automatic ten-way valve (4) are determined by first
Buret (9) is connected, the first carrier gas pipe (5) and the second carrier gas pipe (6) respectively with 9 interfaces and 5 interfaces of automatic ten-way valve (4)
Connection.
2. a kind of gas automatic sampling device as claimed in claim 1, it is characterised in that：The sampling system (1) is including some
Sampling valve (11) and purging tracheae (12), the sampling valve (11) is sequentially connected in series together, in some sampling valves (11)
Purging tracheae (12) is connected with one sample tap of sampling valve (11).
3. a kind of gas automatic sampling device as claimed in claim 2, it is characterised in that：The sampling valve (11) is to be provided with 2
To 128 sampling valves of sample tap (11), the quantity of the sampling valve (11) is two.
4. a kind of gas automatic sampling device as claimed in claim 3, it is characterised in that：The sampling valve (11) is to be provided with 16
The sampling valve of sample tap, the output end of the sampling valve (11) of lower section is connected with 16 sample taps of the sampling valve (11) of top, top
The output end of sampling valve (11) be connected with the input of sampling pump (2), the sampling valve of purging tracheae (13) and lower section
(11) 13 sample taps connection.
5. a kind of gas automatic sampling device as any one of Claims 1-4, it is characterised in that：The triple valve (3)
Upper port be connected with hand sampling pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710045925.1A CN106771305A (en) | 2017-01-20 | 2017-01-20 | A kind of gas automatic sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710045925.1A CN106771305A (en) | 2017-01-20 | 2017-01-20 | A kind of gas automatic sampling device |
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| CN106771305A true CN106771305A (en) | 2017-05-31 |
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| CN201710045925.1A Pending CN106771305A (en) | 2017-01-20 | 2017-01-20 | A kind of gas automatic sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684081A (en) * | 2021-01-11 | 2021-04-20 | 泰通科技（广州）有限公司 | Automatic headspace sample injector for parallel sample injection |
| CN115308321A (en) * | 2022-07-04 | 2022-11-08 | 浙江赛鹭鑫仪器有限公司 | Fluorine gas and fluoride analysis system and method |
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| CN101923098A (en) * | 2010-08-20 | 2010-12-22 | 南京特种气体厂有限公司 | Continuous on-line analysis device of benzene, total hydrocarbons, methane and CO in carbon dioxide |
| CN103604897A (en) * | 2013-10-31 | 2014-02-26 | 陕西延长石油(集团)有限责任公司研究院 | On-line multidimensional gas chromatographic analysis device universal for low carbon catalytic conversion reaction |
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| CN104597156A (en) * | 2015-01-15 | 2015-05-06 | 上海华爱色谱分析技术有限公司 | Two-column system gas chromatograph |
| CN105092875A (en) * | 2015-09-24 | 2015-11-25 | 北京楚翔飞科技开发有限责任公司 | Full-automatic gas-liquid multi-purpose sample injector |
| CN105675775A (en) * | 2016-04-07 | 2016-06-15 | 中科合成油技术有限公司 | Fast online gas chromatography sampling, storage and sample feeding device and method |
| CN106124676A (en) * | 2016-09-08 | 2016-11-16 | 国网上海市电力公司 | A kind of for measuring the gas chromatograph of solution gas in transformer oil |
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2017
- 2017-01-20 CN CN201710045925.1A patent/CN106771305A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5661224A (en) * | 1996-02-08 | 1997-08-26 | H2M Labs, Inc. | Method and apparatus for spiking atmospheric samples |
| CN101093213A (en) * | 2006-06-21 | 2007-12-26 | 中国石油化工股份有限公司 | Method for online analyzing mixture containing arene |
| CN101923098A (en) * | 2010-08-20 | 2010-12-22 | 南京特种气体厂有限公司 | Continuous on-line analysis device of benzene, total hydrocarbons, methane and CO in carbon dioxide |
| CN103604897A (en) * | 2013-10-31 | 2014-02-26 | 陕西延长石油(集团)有限责任公司研究院 | On-line multidimensional gas chromatographic analysis device universal for low carbon catalytic conversion reaction |
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| CN104597156A (en) * | 2015-01-15 | 2015-05-06 | 上海华爱色谱分析技术有限公司 | Two-column system gas chromatograph |
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| CN105675775A (en) * | 2016-04-07 | 2016-06-15 | 中科合成油技术有限公司 | Fast online gas chromatography sampling, storage and sample feeding device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684081A (en) * | 2021-01-11 | 2021-04-20 | 泰通科技（广州）有限公司 | Automatic headspace sample injector for parallel sample injection |
| CN115308321A (en) * | 2022-07-04 | 2022-11-08 | 浙江赛鹭鑫仪器有限公司 | Fluorine gas and fluoride analysis system and method |
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Application publication date: 20170531 |
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