CN208399448U - A kind of autosampler of carry sample store function - Google Patents
A kind of autosampler of carry sample store function Download PDFInfo
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- CN208399448U CN208399448U CN201821146199.9U CN201821146199U CN208399448U CN 208399448 U CN208399448 U CN 208399448U CN 201821146199 U CN201821146199 U CN 201821146199U CN 208399448 U CN208399448 U CN 208399448U
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- way valve
- valve
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- sample
- autosampler
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Abstract
The utility model proposes a kind of autosamplers of carry sample store function, including sampling valve, first six-way valve, second six-way valve, four-way valve and adsorption column, it is connected in the sampling valve with several adsorption columns, the input terminal of the sampling valve is connected with 1 interface of the first six-way valve, the output end of the sampling valve is connected with 4 interfaces of the first six-way valve, it is connected between first six-way valve and the second six-way valve by four-way valve, 6 interfaces of first six-way valve are connected with 1 interface of four-way valve, 5 interfaces of first six-way valve are connected with 2 interfaces of four-way valve, 4 interfaces of the four-way valve are connected with 1 interface of the second six-way valve, 3 interfaces of the four-way valve are connected with 4 interfaces of the second six-way valve, 5 interfaces of second six-way valve are connected with analysis instrument, it can be to all types of catalysis reaction platforms for storing sample Product are analyzed, and can be improved sample introduction efficiency, guarantee the reproducibility and accuracy of analysis.
Description
[technical field]
The utility model relates to the technical field of sample injector, especially a kind of autosampler of carry sample store function
Technical field.
[background technique]
Sample introduction refer to will be tested it is gasometric be added in sample bottle or chromatographic column, be to carry out gas experiment, such as chromatography
The committed step of experiment is analyzed, at present when carrying out chemical analysis test using all kinds of analysis instruments, needs sampling equipment will be real
It tests test sample and is sent into analysis instrument, sampling equipment can guarantee the accuracy of experiment in analysis experiment, and have and stablize
Sample introduction working efficiency, it is proposed that a kind of autosampler of carry sample store function.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, propose a kind of carry sample store function from
Dynamic sample injector can be used to all types of catalysis reaction platforms store sample and analyze, and can be with gas phase or mass spectrum or red
The combination of other analyzers of outer lamp, can be improved sample introduction efficiency, guarantee the reproducibility and accuracy of analysis.
To achieve the above object, the utility model proposes a kind of autosamplers of carry sample store function, including take
Sample valve, the first six-way valve, the second six-way valve, four-way valve and adsorption column, the sampling valve is connected with several adsorption columns, described to take
The input terminal of sample valve is connected with 1 interface of the first six-way valve, 4 interface phases of the output end of the sampling valve and the first six-way valve
Even, it is connected between first six-way valve and the second six-way valve by four-way valve, 6 interfaces and four-way valve of first six-way valve
1 interface be connected, 5 interfaces of first six-way valve are connected with 2 interfaces of four-way valve, 4 interfaces of the four-way valve and second
1 interface of six-way valve is connected, and 3 interfaces of the four-way valve are connected with 4 interfaces of the second six-way valve, and the 5 of second six-way valve
Interface is connected with analysis instrument.
Preferably, the sample tap of the sampling valve are as follows: 16,32,64 or 128, the number of the adsorption column
It is identical as the number of sample tap.
Preferably, being connected with pressure maintaining valve and first flow control between 3 interfaces and inlet end of first six-way valve
2 interfaces of valve, first six-way valve are connected with purge gass outlet.
Preferably, being connected with pressure maintaining valve and second flow control between 6 interfaces and inlet end of second six-way valve
2 interfaces of valve, second six-way valve are connected with sample offgas outlet, 3 interfaces of second six-way valve with react tail-gas
Import is connected, and the analysis instrument is gas phase, mass spectrum or infrared analytical instrument.
Preferably, the adsorbent material in the adsorption column are as follows: Tenax, molecular sieve, active carbon, one in carbon molecular sieve
Kind.
The utility model has the beneficial effects that the utility model passes through sampling valve, the first six-way valve, the second six-way valve, four-way
The cooperation of valve and adsorption column etc., can be to all types of catalysis reaction platform such as high pressure reaction systems, synthesis under normal pressure system, TGA connection
With, analyzed for storing sample, and can be combined with gas phase or other analyzers of mass spectrum or infrared lamp, can be improved into
Sample efficiency guarantees the reproducibility and accuracy of analysis.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of pneumatic diagram of the autosampler of carry sample store function of the utility model.
[specific embodiment]
Refering to fig. 1, a kind of autosampler of carry sample store function of the utility model, including sampling valve the 1, the 1st are logical
Valve 2, the second six-way valve 3, four-way valve 4 and adsorption column 5, the sampling valve 1 are connected with several adsorption columns 5, the sampling valve 1
Input terminal is connected with 1 interface of the first six-way valve 2, and the output end of the sampling valve 1 is connected with 4 interfaces of the first six-way valve 2, institute
It states and is connected between the first six-way valve 2 and the second six-way valve 3 by four-way valve 4,6 interfaces and four-way valve 4 of first six-way valve 2
1 interface be connected, 5 interfaces of first six-way valve 2 are connected with 2 interfaces of four-way valve 4,4 interfaces of the four-way valve 4 and the
1 interface of two six-way valves 3 is connected, and 3 interfaces of the four-way valve 4 are connected with 4 interfaces of the second six-way valve 3, and the described 2nd 6 is logical
5 interfaces of valve 3 are connected with analysis instrument.The sample tap of the sampling valve 1 are as follows: 16,32,64 or 128, the absorption
The number of column 5 and the number of sample tap are identical.Be connected between 3 interfaces and inlet end of first six-way valve 2 pressure maintaining valve and
2 interfaces of first flow control valve, first six-way valve 2 are connected with purge gass outlet.6 interfaces of second six-way valve 3
Pressure maintaining valve and second flow control valve, 2 interfaces and sample offgas outlet of second six-way valve 3 are connected between inlet end
It is connected, 3 interfaces of second six-way valve 3 are connected with reaction gas inlet exhaust gas, and the analysis instrument is gas phase, mass spectrum or infrared
Analysis instrument.Adsorbent material in the adsorption column 5 are as follows: Tenax, molecular sieve, active carbon, one of carbon molecular sieve.
Utility model works process:
A kind of working principle of the autosampler of carry sample store function of the utility model are as follows:
The acquisition of TGA sample: by TGA tail gas access system, according to the analysis condition of TGA, setting needs the sample analyzed
Group and each group of needs collect time, set in software, then activation system, first by switching the one or six
Port valve 2 purges adsorption tube with carrier gas, after purging, provides signal automatically, and start TGA system, while to TGA
Temperature be monitored and record, reach the condition (such as time or temperature) of setting, the second six-way valve 3 of switching arrives sample bits
It sets, and switches the first six-way valve 2 and four-way valve 4 to sampling location, then sampling valve 1 is placed in the position of corresponding adsorption column, and
Sample is enriched with, after the completion of enrichment, into the enrichment of next section of component.
The analysis of sample: after the completion of TGA analysis, then sample storage sets the first six-way valve 2 and four in each adsorption column 5
Port valve 4 first waits GC or GC/MS ready, adsorption column 5 is then warming up to desorption temperature, is then cut in analysis position
The second six-way valve 3 is changed to sample introduction position, then starts first group of sample analysis, after having analyzed, automatically switches sampling valve 1, it is right respectively
Sample in adsorption column is analyzed；Wherein sample can be desorbed out by time-program(me), by subsequent gas phase/mass spectrum/red
Outer lamp analysis instrument analysis, the sample that single injected sampling may be implemented to multiple sections carry out substep complete analysis.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (5)
1. a kind of autosampler of carry sample store function, it is characterised in that: including sampling valve (1), the first six-way valve (2),
Second six-way valve (3), four-way valve (4) and adsorption column (5), the sampling valve (1) is connected with several adsorption columns (5), described to take
The input terminal of sample valve (1) is connected the output end and the first six-way valve (2) of the sampling valve (1) with 1 interface of the first six-way valve (2)
4 interfaces be connected, between first six-way valve (2) and the second six-way valve (3) pass through four-way valve (4) be connected, the described 1st
6 interfaces of port valve (2) are connected with 1 interface of four-way valve (4), and 5 interfaces of first six-way valve (2) connect with the 2 of four-way valve (4)
Mouthful be connected, 4 interfaces of the four-way valve (4) are connected with 1 interface of the second six-way valve (3), 3 interfaces of the four-way valve (4) and
4 interfaces of the second six-way valve (3) are connected, and 5 interfaces of second six-way valve (3) are connected with analysis instrument.
2. a kind of autosampler of carry sample store function as described in claim 1, it is characterised in that: the sampling valve
(1) sample tap are as follows: 16,32,64 or 128, the number of the adsorption column (5) is identical as the number of sample tap.
3. a kind of autosampler of carry sample store function as described in claim 1, it is characterised in that: the described 1st is logical
Pressure maintaining valve and first flow control valve, 2 interfaces of first six-way valve (2) are connected between 3 interfaces and inlet end of valve (2)
It is connected with purge gass outlet.
4. a kind of autosampler of carry sample store function as described in claim 1, it is characterised in that: the described 2nd 6 is logical
Pressure maintaining valve and second flow control valve, 2 interfaces of second six-way valve (3) are connected between 6 interfaces and inlet end of valve (3)
It is connected with sample offgas outlet, 3 interfaces of second six-way valve (3) are connected with reaction gas inlet exhaust gas, the analysis instrument
For gas phase, mass spectrum or infrared analytical instrument.
5. a kind of autosampler of carry sample store function as described in claim 1, it is characterised in that: the adsorption column
(5) adsorbent material in are as follows: Tenax, molecular sieve, active carbon, one of carbon molecular sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146199.9U CN208399448U (en) | 2018-07-19 | 2018-07-19 | A kind of autosampler of carry sample store function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146199.9U CN208399448U (en) | 2018-07-19 | 2018-07-19 | A kind of autosampler of carry sample store function |
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| Publication Number | Publication Date |
|---|---|
| CN208399448U true CN208399448U (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821146199.9U Active CN208399448U (en) | 2018-07-19 | 2018-07-19 | A kind of autosampler of carry sample store function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030687A (en) * | 2018-07-19 | 2018-12-18 | 浙江赛鹭鑫仪器有限公司 | A kind of autosampler of carry sample store function |
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2018
- 2018-07-19 CN CN201821146199.9U patent/CN208399448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030687A (en) * | 2018-07-19 | 2018-12-18 | 浙江赛鹭鑫仪器有限公司 | A kind of autosampler of carry sample store function |
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