CN212483487U - Double-analysis twelve-way valve rotation double-sample-feeding structure of single thermal analyzer - Google Patents
Double-analysis twelve-way valve rotation double-sample-feeding structure of single thermal analyzer Download PDFInfo
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- CN212483487U CN212483487U CN202021267671.1U CN202021267671U CN212483487U CN 212483487 U CN212483487 U CN 212483487U CN 202021267671 U CN202021267671 U CN 202021267671U CN 212483487 U CN212483487 U CN 212483487U
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Abstract
The utility model discloses a two twelve way valve rotation of resolving of single thermal analysis appearance advance a kind structure doubly, including first metal tee bend connector, first purge valve, first sample adsorption tube, first surge valve, breather valve, second metal tee bend connector, second surge valve, third surge valve, second purge valve, third metal tee bend connector, state rotation twelve way valve, the both ends that the twelve way valve was rotated to the state are provided with second sample adsorption tube, third sample adsorption tube respectively. The utility model discloses can solve current thermal analysis appearance and only be provided with an adsorption tube generally and analyze, lead to analysis detection cycle longer, the lower problem of analysis work efficiency, the analysis of two adsorption tubes is the same with analysis temperature, analysis time, the appearance temperature and the time of advancing that the appearance set up, has just so reduced the influence to the analysis result that the operation change brought, and the chromatogram and the data that obtain can each other be for the contrast, make quantitative data more accurate.
Description
Technical Field
The utility model belongs to the technical field of thermal analysis gas chromatographic analysis technique and specifically relates to a two twelve way valve rotation of single thermal analysis appearance advance a kind structure.
Background
A chromatograph for chromatographic separation analysis is composed of sampling system, detecting system, record and data processing system, temp control system and mobile phase control system, and features high stability, sensitivity, versatility and automation.
In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the existing thermal analyzer is usually only provided with one adsorption tube for analysis, the analysis and detection period of the sample is long, the analysis working efficiency is low, and in addition, the influence on the analysis result can be brought by the replacement and operation change of experimenters, so that the accuracy of quantitative data is reduced, and the experiment result is influenced.
Therefore, a single thermal analyzer double-analysis twelve-way valve rotation double-sample-feeding structure is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two twelve way valves of analysis of single thermal analysis appearance rotate two advance a kind structure, can solve current thermal analysis appearance and only be provided with an adsorption tube usually and analyze, the analysis and detection cycle of this kind of mode sample is longer, analysis work efficiency is lower, in addition, because the experimenter is changed, the operation change can bring the problem to the influence of analysis result, the analysis efficiency of analysis appearance has been improved, the analysis and detection cycle has been shortened, and simultaneously, the analysis of two adsorption tubes is with advance the analytic temperature that the appearance set up, the analytic time, it is all the same to advance a kind temperature and time, just so reduced the influence to the analysis result that the operation change brought, chromatogram and data that obtain can each other be contrast, make quantitative data more accurate, good repeatability, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the double-analysis twelve-way valve rotating double-sample-introduction structure of the single thermal analyzer comprises a first metal three-way connector, a first blow-by valve, a first sample adsorption tube, a first pressure stabilizing valve, a vent valve, a second metal three-way connector, a second pressure stabilizing valve, a third pressure stabilizing valve, a second blow-by valve, a third metal three-way connector and a state rotating twelve-way valve, wherein the adsorption structure is arranged on the structure;
the adsorption structure comprises a state rotating twelve-way valve, and a second sample adsorption tube and a third sample adsorption tube are respectively arranged at two ends of the state rotating twelve-way valve.
Preferably, one end of the first pressure maintaining valve, one end of the second pressure maintaining valve and one end of the third pressure maintaining valve are respectively provided with a first pressure gauge, a second pressure gauge and a third pressure gauge.
Preferably, the first purge valve is a manual purge valve.
Preferably, the state-rotating twelve-way valve is electrically rotated.
Preferably, one end of the vent valve is fixedly connected with a high-temperature analysis furnace, the temperature of the analysis furnace, the analysis time, the sample introduction temperature, the sample introduction time and the temperature of a transmission pipeline of the aging purging time in the operation process are preset values, and the high-temperature analysis furnace automatically runs after being started.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up two absorption pipes on the pyrolysis appearance, the analysis under the same temperature simultaneously, the two way of advancing of room temperature simultaneously, compared with the prior art, the function of pyrolysis analysis appearance has been strengthened, the analysis detection cycle of user to the sample has been shortened greatly, analysis work efficiency has been improved, because the analysis of two absorption pipes with advance the analysis temperature that the appearance set up, the analysis time, advance a kind temperature and time all the same, just so reduced the operation change and brought the influence to the analysis result, the chromatogram and the data that obtain can each other be for the contrast, make quantitative data more accurate, the repeatability is better.
2. The utility model discloses a two advance a kind structures can supply two single detector chromatographs to use or supply a two detector chromatographs to use with a thermal analysis appearance, can practice thrift the purchase fund for the user, reduce the area occupied of experimental desktop.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the working process of the present invention.
Description of reference numerals:
in the figure: 1. a first metal three-way connector; 2. a first purge valve; 3. a first sample adsorption tube; 4. a first pressure maintaining valve; 5. a first pressure gauge; 6. a vent valve; 7. a second metal three-way connector; 8. a second pressure maintaining valve; 9. a second pressure gauge; 10. a third pressure maintaining valve; 11. a third pressure gauge; 12. a second purge valve; 13. a third metal three-way connector; 14. a second sample adsorption tube; 15. a third sample adsorption tube; 16. the state rotates the twelve way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution of a dual-analytic twelve-way valve rotation dual-sampling structure of a single thermal analyzer:
a single thermal analyzer double-analysis twelve-way valve rotating double-sampling structure, as shown in fig. 1, comprising a first metal three-way connector 1, a first purging valve 2, a first sample adsorption tube 3, a first pressure stabilizing valve 4, a vent valve 6, a second metal three-way connector 7, a second pressure stabilizing valve 8, a third pressure stabilizing valve 10, a second purging valve 12, a third metal three-way connector 13, and a state rotating twelve-way valve 16, which is provided with an adsorption structure;
the adsorption structure comprises a state rotation twelve-way valve 16, and a second sample adsorption tube 14 and a third sample adsorption tube 15 are respectively arranged at two ends of the state rotation twelve-way valve 16.
Specifically, as shown in fig. 1, one end of each of the first pressure maintaining valve 4, the second pressure maintaining valve 8 and the third pressure maintaining valve 10 is provided with a first pressure gauge 5, a second pressure gauge 9 and a third pressure gauge 11.
Specifically, as shown in fig. 1, the first purge valve 2 is a manual purge valve.
Specifically, as shown in fig. 1, the state-rotating twelve-way valve 16 is electrically operated.
Specifically, as shown in fig. 1, one end of the vent valve 6 is fixedly connected with a high-temperature analysis furnace, the temperature of the analysis furnace, the analysis time, the sample introduction temperature, the sample introduction time and the temperature of the transmission pipeline of the aging purging time in the operation process are preset values, and the high-temperature analysis furnace automatically runs after being started.
The working principle is as follows: when the utility model is used, the inert carrier gas is firstly introduced, the inert carrier gas is divided into tubes by the second metal three-way connector 7 after passing through the vent valve 6, the inert carrier gas is respectively connected to the second sample adsorption tube 14 and one end of the third sample adsorption tube 15 through the second pressure stabilizing valve 8 and the third pressure stabilizing valve 10, the sample to be detected is injected into the second sample adsorption tube 14 filled with the adsorbent and the third sample adsorption tube 15 (the filler in the thermal analyzer adsorption tube needs to determine the proper adsorbent according to the sample property of the sample), wherein the volatile components are adsorbed and eliminated, the residual samples in the second sample adsorption tube 14 and the third sample adsorption tube 15 are heated, the collected volatile organic compounds are analyzed, the sample to be detected enters the capillary column gas chromatograph equipped with the flame ionization detector through the state rotation twelve-way valve 16 along with the inert carrier gas for analysis, after the analysis is finished, the first purging valve 2 is manually started, the purging gas is divided by the third metal three-way connector 13 after passing through the first metal three-way connector 1, the first pressure stabilizing valve 4 and the second purging valve 12, and the purging gas enters different through holes of the state rotating twelve-way valve 16 respectively for purging, so that the next use is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Two twelve way valve rotation of single thermal analysis appearance rotate two advance a kind structure, including first metal three way connection head (1), first purge valve (2), first sample adsorption tube (3), first surge valve (4), breather valve (6), second metal three way connection head (7), second surge valve (8), third surge valve (10), second purge valve (12), third metal three way connection head (13), state rotation twelve way valve (16), its characterized in that: it is provided with an adsorption structure;
the adsorption structure comprises a state rotating twelve-way valve (16), and a second sample adsorption tube (14) and a third sample adsorption tube (15) are respectively arranged at two ends of the state rotating twelve-way valve (16).
2. The single thermal analyzer double-analysis twelve-way valve rotation double-sample-feeding structure of claim 1, which is characterized in that: and one end of each of the first pressure maintaining valve (4), the second pressure maintaining valve (8) and the third pressure maintaining valve (10) is respectively provided with a first pressure gauge (5), a second pressure gauge (9) and a third pressure gauge (11).
3. The single thermal analyzer double-analysis twelve-way valve rotation double-sample-feeding structure of claim 1, which is characterized in that: the first purge valve (2) is a manual purge valve.
4. The single thermal analyzer double-analysis twelve-way valve rotation double-sample-feeding structure of claim 1, which is characterized in that: the twelve-way valve (16) is electrically operated.
5. The single thermal analyzer double-analysis twelve-way valve rotation double-sample-feeding structure of claim 1, which is characterized in that: one end of the vent valve (6) is fixedly connected with a high-temperature analysis furnace, the temperature of the analysis furnace, the analysis time, the sample introduction temperature, the sample introduction time and the temperature of a transmission pipeline of the aging purging time in the operation process are preset values, and the high-temperature analysis furnace automatically runs after being started.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021267671.1U CN212483487U (en) | 2020-07-02 | 2020-07-02 | Double-analysis twelve-way valve rotation double-sample-feeding structure of single thermal analyzer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021267671.1U CN212483487U (en) | 2020-07-02 | 2020-07-02 | Double-analysis twelve-way valve rotation double-sample-feeding structure of single thermal analyzer |
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| CN212483487U true CN212483487U (en) | 2021-02-05 |
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| CN202021267671.1U Active CN212483487U (en) | 2020-07-02 | 2020-07-02 | Double-analysis twelve-way valve rotation double-sample-feeding structure of single thermal analyzer |
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