CN206573596U - A kind of gas automatic sampling device - Google Patents
A kind of gas automatic sampling device Download PDFInfo
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- CN206573596U CN206573596U CN201720079781.7U CN201720079781U CN206573596U CN 206573596 U CN206573596 U CN 206573596U CN 201720079781 U CN201720079781 U CN 201720079781U CN 206573596 U CN206573596 U CN 206573596U
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Abstract
The utility model 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 and the input of sampling pump are connected, the output end of the sampling pump and the front end interface of triple valve are connected, 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 can be achieved 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 utility model is related to the technical field of gas detection equipment, the technology neck of particularly a kind of gas automatic sampling device
Domain.
【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 is that experimenter carries out gas sampling manually, 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.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of gas automatic sampling device, can
Manpower is saved, operating efficiency is improved, sample introduction accuracy is improved, the reappearance and accuracy of analysis is improved.
To achieve the above object, the utility model proposes a kind of gas automatic sampling device, including sampling system, sample introduction
Pump, triple 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,
The input of second quantity tube and fid detector, the output end of the sampling system and sampling pump is connected, the sampling pump it is defeated
Go out end be 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, it is described oneself
Sample efferent duct is connected with 2 interfaces of dynamic ten-way valve, 3 interfaces and 6 interfaces of the automatic ten-way valve pass through the second quantity tube
Connection, the input of first chromatographic column and the second chromatographic column is connected with 4 interfaces and 8 interfaces of automatic ten-way valve respectively, institute
The output end for stating the first chromatographic column and the second chromatographic column is connected with fid detector, and 10 interfaces and 7 of the automatic ten-way valve connect
Mouth passes through the first quantity tube and connected, 9 interfaces and 5 interfaces of the first carrier gas pipe and the second carrier gas pipe respectively with automatic ten-way valve
Connection.
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 the sample tap of a sampling valve in some sampling valves.
Preferably, the sampling valve is provided with 2 sampling valves to 128 sample taps, the quantity of the sampling valve is
Two.
Preferably, the sampling valve be the sampling valve provided with 16 sample taps, 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 and the input of sampling pump are connected, 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.
The beneficial effects of the utility model：The utility model operationally, 1, sampling install：With glass sample containers or gas
After the completion of bag is sampled at the scene, by sample port good seal, laboratory is taken back, the position number of needs, control system are set on instrument
Automatically the position number can be purged using purge gass, purging throughput is set by voltage stabilization and current stabilization system, passes through control software
Purge time is configured, passes through the purging to sample introduction pipeline, it is ensured that the cleaning of sample introduction pipeline and prevents pipeline from blocking, is carried
The repeatability of high sample introduction, after purging is finished, glass sample containers or airbag need position number by snap joint installed in setting
On sample tap；2nd, sample feeding is analyzed：Windows softwares, the analysis sequence that analyst needs according to oneself is set on software
It is good, then click on after starting, program can according to analysis requirement, it would be desirable to the position number of analysis switches in sampling gas circuit, sample
Under the drive of sampling pump, in the first quantity tube and the second quantity tube that enter automatic ten-way valve, by the first quantity tube and
After two quantity tubes are sufficiently displaced from, sampling pump is closed, then switches the sample in automatic ten-way valve, the first quantity tube and the second quantity tube
Product enter the first chromatographic column and the second chromatographic column simultaneously respectively under the drive respectively of carrier gas, can be analyzed by the first chromatographic column
The content of methane in post sample, the content of total hydrocarbon in sample is gone out by the second chromatogram column analysis, and the content of total hydrocarbon deducts methane
Content is the content that can obtain NMHC, compared with prior art, can save manpower, improves operating efficiency, improve into
Sample accuracy, improves the reappearance and accuracy of analysis, and simple to operate, stable, can be achieved to start chromatograph simultaneously,
The reappearance of analysis is improved, GC injection ports is not take up, takes into account hand sampling.
Feature and advantage of the present utility model 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 utility model.
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.
【Embodiment】
Refering to Fig. 1, a kind of gas automatic sampling device of the utility model, including sampling system 1, sampling pump 2, triple valve 3, from
Dynamic 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, second are determined
Buret 10 and fid detector 15, the output end of the sampling system 1 are connected with the input of sampling pump 2, the sampling pump 2
Output 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,
Sample efferent duct is connected with 2 interfaces of the automatic ten-way valve 4,3 interfaces and 6 interfaces of the automatic ten-way valve 4 pass through
Two quantity tubes 10 are connected, the input of the chromatographic column 8 of the first chromatographic column 7 and second respectively with 4 interfaces of automatic ten-way valve 4 and
8 interfaces are connected, and the output end of the chromatographic column 8 of the first chromatographic column 7 and second is connected with fid detector 15, and described automatic ten
10 interfaces and 7 interfaces of port valve 4 are connected by the first quantity tube 9, the first carrier gas pipe 5 and the second carrier gas pipe 6 respectively with from
9 interfaces of dynamic ten-way valve 4 and the connection of 5 interfaces, the sampling system 1 include some sampling valves 11 and purging tracheae 12, described to take
Sample valve 11 is sequentially connected in series together, and purging tracheae is connected with the sample tap of a sampling valve 11 in some sampling valves 11
12, the sampling valve 11 is that the quantity of the sampling valve 11 is two, described provided with the sampling valve 11 of 2 to 128 sample taps
Sampling valve 11 is the sampling valve provided with 16 sample taps, and the 16 of the output end of the sampling valve 11 of lower section and the sampling valve 11 of top takes
Sample mouthful connection, the output end of the sampling valve 11 of top is connected with the input of sampling pump 2, and the purging tracheae 13 takes with lower section
The 13 sample taps connection of sample valve 11, the upper port of the triple valve 3 is connected with hand sampling pipe 14.
Utility model works process：
A kind of gas automatic sampling device of the utility model in the course of the work, 1, sampling install：With glass sample containers or
After the completion of airbag is sampled at the scene, by sample port good seal, laboratory is taken back, the position number of needs, control system are set on instrument
System can be purged to the position number using purge gass automatically, and purging throughput is set by voltage stabilization and current stabilization system, soft by controlling
Part is configured to purge time, passes through the purging to sample introduction pipeline, it is ensured that the cleaning of sample introduction pipeline and prevent pipeline from blocking,
The repeatability of sample introduction is improved, after purging is finished, glass sample containers or airbag need position number by snap joint installed in setting
Sample tap on；2nd, sample feeding is analyzed：Windows softwares, the analysis sequence that analyst needs according to oneself, set on software
Set, then click on start after, program can according to analysis requirement, it would be desirable to the position number of analysis switches in sampling gas circuit, sample
In the first quantity tube 9 and the second quantity tube 10 that enter automatic ten-way valve 4, first is quantified under the drive of sampling pump 2 for product
After the quantity tube 10 of pipe 9 and second is sufficiently displaced from, sampling pump 2 is closed, then switches automatic ten-way valve 4, the first quantity tube 9 and second
Sample in quantity tube 10 enters the first chromatographic column 7 and the second chromatographic column 8 simultaneously respectively under the drive respectively of carrier gas, by the
One chromatographic column 7 can analyze the content of total hydrocarbon in sample by the second chromatographic column 8, always with the content of methane in analytical column sample
The content that the content of hydrocarbon deducts methane is the content that can obtain NMHC, compared with prior art, can save manpower, carry
High workload efficiency, improves sample introduction accuracy, improves the reappearance and accuracy of analysis, and simple to operate, stable, can be real
Now start chromatograph simultaneously, improve the reappearance of analysis, be not take up GC injection ports, take into account hand sampling.
It, to explanation of the present utility model, is limited of the present utility model that above-described embodiment, which is, any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
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
Sample efferent duct is connected with the 1 interface connection of automatic ten-way valve (4), 2 interfaces of the automatic ten-way valve (4), it is described automatic
3 interfaces and 6 interfaces of ten-way valve (4) are connected by the second quantity tube (10), 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 fixed by first
Buret (9) is connected, 9 interfaces and 5 interfaces of the first carrier gas pipe (5) and the second carrier gas pipe (6) respectively with 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) includes some
Sampling valve (11) and purging tracheae (13), the sampling valve (11) is sequentially connected in series together, in some sampling valves (11)
Purging tracheae (13) is connected with the sample tap of one 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 provided with 2
To the sampling valve (11) of 128 sample taps, 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 provided with 16
The 16 sample taps connection of the sampling valve of sample tap, the output end of the sampling valve (11) of lower section and the sampling valve (11) of top, top
The output end of sampling valve (11) be connected with the input of sampling pump (2), the purging tracheae (13) and the sampling valve of 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 |
|---|---|---|---|
| CN201720079781.7U CN206573596U (en) | 2017-01-20 | 2017-01-20 | A kind of gas automatic sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079781.7U CN206573596U (en) | 2017-01-20 | 2017-01-20 | A kind of gas automatic sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573596U true CN206573596U (en) | 2017-10-20 |
Family
ID=60060318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079781.7U Active CN206573596U (en) | 2017-01-20 | 2017-01-20 | A kind of gas automatic sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573596U (en) |
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2017
- 2017-01-20 CN CN201720079781.7U patent/CN206573596U/en active Active
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