CN204789497U - Automatic gas sampler of multichannel - Google Patents
Automatic gas sampler of multichannel Download PDFInfo
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- CN204789497U CN204789497U CN201520488016.1U CN201520488016U CN204789497U CN 204789497 U CN204789497 U CN 204789497U CN 201520488016 U CN201520488016 U CN 201520488016U CN 204789497 U CN204789497 U CN 204789497U
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Abstract
The utility model belongs to the analytical instrument field especially relates to an automatic gas sampler of multichannel, its characterized in that: the one end of first crossover sub with the sampling container link to each other and its other end with first solenoid valve links to each other, first solenoid valve with the entry of pipeline shunt links to each other, the export of pipeline shunt with the first entry of six -way valve links to each other, one of three solenoid valve export with the the second entrance of six -way valve links to each other, the second crossover sub with another export of three solenoid valve links to each other, the second crossover sub with the second solenoid valve links to each other, the second solenoid valve with the entry of pipeline shunt links to each other, the tenth connecting pipe with the second export of six -way valve links to each other, the flowmeter with the third export of six -way valve links to each other, the aspiration pump with the flowmeter links to each other, control panel respectively with aspiration pump, three solenoid valve, first solenoid valve, second solenoid valve link to each other.
Description
Technical field
The utility model belongs to field of analytic instrument, particularly relates to a kind of multichannel automatic gas injector.
Background technology
Because airbag (as Tedla bag) or tank (as Soviet Union's horse tank) are when gathering gaseous sample, the absolute predominance had in the stability and integrality of sample, its application in volatile organic matter monitoring is more and more extensive, especially be daily content of must surveying in fields such as environmental air quality monitoring, petrochemical complex, gas dosing, the energy and science and techniques of defence, and sample size is increasing.Along with the fast development of Modern Analytical Instrument, vapor-phase chromatography has been widely used in the analysis of gaseous sample, but in daily laboratory gas chromatographic analysis, cannot realize the auto injection of multipath gas, cannot meet the demand of a large amount of sample express-analysis.
Summary of the invention
The utility model, for above-mentioned technical matters, provides a kind of multichannel automatic gas injector meeting the demand of a large amount of sample express-analysis.
The technical scheme that the utility model adopts is:
A kind of multichannel automatic gas injector, is characterized in that: comprise sampling container, first X-over, first solenoid valve, six-way valve, quantitative loop, flowmeter, control panel, pipeline diverter, second solenoid valve, three-way solenoid valve, second X-over, first connecting pipe, second connecting pipe, 3rd connecting pipe, 4th connecting pipe, 5th connecting pipe, 6th connecting pipe, 7th connecting pipe, 8th connecting pipe, 9th connecting pipe, tenth connecting pipe, 11 connecting pipe, 12 connecting pipe, aspiration pump, one end of described first X-over is connected with described sampling container and its other end is connected with described first solenoid valve by the first connecting pipe, described first solenoid valve is connected with the entrance of described pipeline diverter by the second connecting pipe, the outlet of described pipeline diverter is connected with the first entrance of described six-way valve by the 3rd connecting pipe, an outlet of described three-way solenoid valve is connected with the second entrance of described six-way valve by the 4th connecting pipe, the endpiece of described quantitative loop is connected with the 3rd entrance of described six-way valve by the 5th connecting pipe, the inlet end of described quantitative loop is exported with first of described six-way valve by the 6th connecting pipe and is connected, described second X-over is exported by another of the 7th connecting pipe and described three-way solenoid valve and is connected, described second X-over is connected with described second solenoid valve by the 8th connecting pipe, described second solenoid valve is connected with the entrance of described pipeline diverter by the 9th connecting pipe, described tenth connecting pipe exports with second of described six-way valve and is connected, described flowmeter is exported with the 3rd of described six-way valve by the 11 connecting pipe and is connected, described aspiration pump is connected with described flowmeter by the 12 connecting pipe, described control panel by circuit respectively with described aspiration pump, three-way solenoid valve, first solenoid valve, second solenoid valve is connected.
Described first solenoid valve, the second solenoid valve are two-way electromagnetic valve.
Described flow counts mass flowmeter.
Described sampling container is airbag or tank.
The quantity of described sampling container, the first X-over, the first solenoid valve is two or more.
The beneficial effects of the utility model are:
1, in the utility model, the quantity of sampling container, the first X-over, the first solenoid valve is set to many groups according to actual user demand, by carrying out sample analysis after the shunting of pipeline diverter, realize the auto injection of multipath gas, meet the demand of a large amount of sample express-analysis;
2, by after three-way solenoid valve and carrier gas outlet, three-way solenoid valve, the second X-over, the second solenoid valve define purge gas carrying path, injector and gas chromatograph internal duct are cleaned, keeps channel interior clean, extend machine service life;
3, the first solenoid valve, the second solenoid valve are two-way electromagnetic valve, and it is convenient to control;
4, production cost is low, easy to install;
5, simple to operate, stable, reproducible, the accuracy of the utility model and precision high;
6, any a import or Domestic Gas Chromatograph is applicable to, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
In figure, 1-sampling container, 2-first X-over, 3-first solenoid valve, 4-six-way valve, 5-quantitative loop, 6-flowmeter, 7-control panel, 8-pipeline diverter, 9-second solenoid valve, 10-three-way solenoid valve, 11-second X-over, 12-first connecting pipe, 13-second connecting pipe, 14-the 3rd connecting pipe, 15-the 4th connecting pipe, 16-the 5th connecting pipe, 17-the 6th connecting pipe, 18-the 7th connecting pipe, 19-the 8th connecting pipe, 20-the 9th connecting pipe, 21-the tenth connecting pipe, 22-the 11 connecting pipe, 23-the 12 connecting pipe, 24-aspiration pump, 25-carrier gas exports, 26-chromatographic column, 27-workstation.
Embodiment
As shown in Figure 1, a kind of multichannel automatic gas injector, comprises sampling container 1, first X-over 2, first solenoid valve 3, six-way valve 4, quantitative loop 5, flowmeter 6, control panel 7, pipeline diverter 8, second solenoid valve 9, three-way solenoid valve 10, second X-over 11, first connecting pipe 12, second connecting pipe 13, 3rd connecting pipe 14, 4th connecting pipe 15, 5th connecting pipe 16, 6th connecting pipe 17, 7th connecting pipe 18, 8th connecting pipe 19, 9th connecting pipe 20, tenth connecting pipe 21, 11 connecting pipe 22, 12 connecting pipe 23, aspiration pump 24, one end of first X-over 2 is connected with sampling container 1 and its other end is connected with the first solenoid valve 3 by the first connecting pipe 12, first solenoid valve 3 is connected with the entrance of pipeline diverter 8 by the second connecting pipe 13, the outlet of pipeline diverter 8 is connected with the first entrance of six-way valve 4 by the 3rd connecting pipe 14, an outlet of three-way solenoid valve 10 is connected with the second entrance of six-way valve 4 by the 4th connecting pipe 15, the endpiece of quantitative loop 5 is connected with the 3rd entrance of six-way valve 4 by the 5th connecting pipe 16, the inlet end of quantitative loop 5 is exported with first of six-way valve 4 by the 6th connecting pipe 17 and is connected, second X-over 11 is exported by another of the 7th connecting pipe 18 and three-way solenoid valve 10 and is connected, second X-over 11 is connected with the second solenoid valve 9 by the 8th connecting pipe 19, second solenoid valve 9 is connected with the entrance of pipeline diverter 8 by the 9th connecting pipe 20, tenth connecting pipe 21 exports with second of six-way valve 4 and is connected, flowmeter 6 is exported with the 3rd of six-way valve 4 by the 11 connecting pipe 22 and is connected, aspiration pump 24 is connected with flowmeter 6 by the 12 connecting pipe 23, control panel 7 by circuit respectively with aspiration pump 24, three-way solenoid valve 10, first solenoid valve 3, second solenoid valve 9 is connected.
First solenoid valve 3, second solenoid valve 9 is two-way electromagnetic valve.
Flowmeter 6 is mass flowmeter.
Sampling container 1 is airbag or tank.
The quantity of sampling container 1, first X-over 2, first solenoid valve 3 is two or more.
Principle of work
The inlet end of three-way solenoid valve 10 is exported 25 with the carrier gas of gas chromatograph be communicated with, be communicated with by the tenth connecting pipe 21 with the chromatographic column 26 of gas chromatograph, control panel 7 is communicated with the workstation 27 of gas chromatograph; Gaseous sample in sampling container 1 is by entering pipeline diverter 8 after the first X-over 2, first solenoid valve 3, and flow into six-way valve 4 from pipeline diverter 8, gaseous sample is full of quantitative loop 5, during sample introduction, in quantitative loop 5, sample is brought in the analyzer such as chromatographic column 26 grade of gas chromatograph by carrier gas, and a gas outlet of six-way valve 4 is connected with one end of mass flowmeter; Mass flowmeter mainly keeps whole air-channel system stability of flow and controls the size of its flow, ensure that sample enters the quantity tube of gas chromatograph with constant flow rate, make the pressure of gas in quantity tube by stability contorting, in quantity tube, gaseous tension and the response of flow relatively stable guarantee chromatographic signal have good repeatability; Workstation 27 sequence editting function can be analyzed by Realization analysis sampfe order sample introduction; When carrying out pipeline-cleaning, three-way solenoid valve 10 is communicated with the second X-over 11, open the second solenoid valve 9, make carrier gas export carrier gas in 25 along the 7th connecting pipe 18, the 8th connecting pipe 19, the 9th connecting pipe 20 feed line shunt 8, and quantitative loop 5, six-way valve 4, chromatographic column 26 and whole pipeline are cleaned.
This multichannel automatic gas injector greatly can improve sampler bag or sample can and gather stability that gas analysis sample measures, repeatability, accuracy and security, and increase work efficiency and measuring accuracy, cost is low, and structure is simple, conveniently promotes.
Above 1 embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (5)
1. a multichannel automatic gas injector, is characterized in that: comprise sampling container, first X-over, first solenoid valve, six-way valve, quantitative loop, flowmeter, control panel, pipeline diverter, second solenoid valve, three-way solenoid valve, second X-over, first connecting pipe, second connecting pipe, 3rd connecting pipe, 4th connecting pipe, 5th connecting pipe, 6th connecting pipe, 7th connecting pipe, 8th connecting pipe, 9th connecting pipe, tenth connecting pipe, 11 connecting pipe, 12 connecting pipe, aspiration pump, one end of described first X-over is connected with described sampling container and its other end is connected with described first solenoid valve by the first connecting pipe, described first solenoid valve is connected with the entrance of described pipeline diverter by the second connecting pipe, the outlet of described pipeline diverter is connected with the first entrance of described six-way valve by the 3rd connecting pipe, an outlet of described three-way solenoid valve is connected with the second entrance of described six-way valve by the 4th connecting pipe, the endpiece of described quantitative loop is connected with the 3rd entrance of described six-way valve by the 5th connecting pipe, the inlet end of described quantitative loop is exported with first of described six-way valve by the 6th connecting pipe and is connected, described second X-over is exported by another of the 7th connecting pipe and described three-way solenoid valve and is connected, described second X-over is connected with described second solenoid valve by the 8th connecting pipe, described second solenoid valve is connected with the entrance of described pipeline diverter by the 9th connecting pipe, described tenth connecting pipe exports with second of described six-way valve and is connected, described flowmeter is exported with the 3rd of described six-way valve by the 11 connecting pipe and is connected, described aspiration pump is connected with described flowmeter by the 12 connecting pipe, described control panel by circuit respectively with described aspiration pump, three-way solenoid valve, first solenoid valve, second solenoid valve is connected.
2. a kind of multichannel automatic gas injector according to claim 1, is characterized in that: described first solenoid valve, the second solenoid valve are two-way electromagnetic valve.
3. a kind of multichannel automatic gas injector according to claim 1, is characterized in that: described flow counts mass flowmeter.
4. a kind of multichannel automatic gas injector according to claim 1, is characterized in that: described sampling container is airbag or tank.
5. a kind of multichannel automatic gas injector according to claim 1, is characterized in that: the quantity of described sampling container, the first X-over, the first solenoid valve is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488016.1U CN204789497U (en) | 2015-07-08 | 2015-07-08 | Automatic gas sampler of multichannel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488016.1U CN204789497U (en) | 2015-07-08 | 2015-07-08 | Automatic gas sampler of multichannel |
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| Publication Number | Publication Date |
|---|---|
| CN204789497U true CN204789497U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520488016.1U Expired - Fee Related CN204789497U (en) | 2015-07-08 | 2015-07-08 | Automatic gas sampler of multichannel |
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| CN (1) | CN204789497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475348A (en) * | 2016-06-07 | 2017-12-15 | 中国检验检疫科学研究院 | A kind of assessment cholate, the method for deoxysodium cholate bacteriostasis |
-
2015
- 2015-07-08 CN CN201520488016.1U patent/CN204789497U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475348A (en) * | 2016-06-07 | 2017-12-15 | 中国检验检疫科学研究院 | A kind of assessment cholate, the method for deoxysodium cholate bacteriostasis |
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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 |
Granted publication date: 20151118 Termination date: 20160708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |