CN208672581U - A kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis - Google Patents
A kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis Download PDFInfo
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- CN208672581U CN208672581U CN201821299714.7U CN201821299714U CN208672581U CN 208672581 U CN208672581 U CN 208672581U CN 201821299714 U CN201821299714 U CN 201821299714U CN 208672581 U CN208672581 U CN 208672581U
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Abstract
The utility model discloses a kind of in-line analyzers for perfluor iodoethane trace impurity oxygen analysis, including the first switching valve and the second switching valve, chromatographic first chromatographic column and the second chromatographic column are connected with by gas path pipe in first switching valve, the chromatograph is transmitted to Central Control Room for data are analyzed；Second switching valve is connected with needle valve and helium ion detector by gas path pipe, each connecting pipe is all made of to be made by the stainless steel material that high temperature Passivation Treatment is crossed, ten-way valve and six-way valve of the VICI with purge gass is respectively adopted in first switching valve and second switching valve, the on-line continuous analysis of perfluor iodoethane trace impurity oxygen may be implemented in the utility model, safety and stability with higher, at the same also have the advantages that high sensitivity with it is reproducible.
Description
Technical field
The utility model relates to online monitoring instruments technical fields, specially a kind of to be used for perfluor iodoethane trace impurity oxygen
The in-line analyzer of gas analysis.
Background technique
Perfluor iodoethane (C2F5I) is colourless liquid or gas, is mainly used for telomerization and as fine chemical product
Raw material.In recent years, with the development of science and technology, production technology is also further improved, and the presence of oxygen impurities affects entirely
The optimization of fluorine iodoethane (C2F5I) manufacture craft, and then need on-line checking instrument to its Real Time Monitoring.
Utility model content
The problem of for background technique, the utility model provide a kind of for perfluor iodoethane trace impurity oxygen
The in-line analyzer of gas analysis.
To achieve the above object, the utility model provides the following technical solutions: one kind being used for perfluor iodoethane trace impurity
The in-line analyzer of oxygen analysis, including the first switching valve and the second switching valve pass through gas path pipe in first switching valve
It is connected with chromatographic first chromatographic column and the second chromatographic column, the chromatograph is transmitted to Central Control Room for data are analyzed；Described
Two switching valves are connected with needle valve and helium ion detector by gas path pipe.
As the utility model a preferred technical solution, No. 1 interface of first switching valve is connected by gas path pipe
It is connected to sample inlet；No. 2 interfaces of first switching valve are connected with sample export by gas path pipe；First switching valve 3
Number interface connect the quantity tube of first switching valve with No. 10 interfaces by gas path pipe；No. 4 interfaces of first switching valve are logical
It crosses gas path pipe and is connected with the first carrier gas port；No. 5 interfaces of first switching valve connect first switching valve 9 by gas path pipe
Number interface, first chromatographic column are connected on the gas path pipe；No. 6 interfaces of first switching valve are connected by gas path pipe
No. 3 interfaces of second switching valve, second chromatographic column are connected on the gas path pipe；No. 7 interfaces of first switching valve are logical
It crosses gas path pipe and is connected with the second carrier gas port；No. 8 interfaces of first switching valve connect second switching by gas path pipe
No. 1 interface of valve.
As the utility model a preferred technical solution, No. 2 interfaces of second switching valve by gas path pipe with
The helium ion detector connection, No. 4 interfaces of second switching valve are connect with the needle valve, second switching valve 5
Interface connects No. 6 interfaces of second switching valve by short circuit line.
As the utility model a preferred technical solution, the short circuit line is all made of with each gas path pipe through excessively high
The stainless steel material that warm Passivation Treatment is crossed is made, and first switching valve and second switching valve are respectively adopted VICI band and purge
The ten-way valve and six-way valve of gas.
Compared with prior art, the utility model has the beneficial effects that perfluor iodoethane may be implemented is micro- for the utility model
The on-line continuous analysis of impurity oxygen, safety and stability with higher are measured, while also there is high sensitivity and repeatability
Good advantage.
Detailed description of the invention
Fig. 1 is overall structure diagram under the utility model sampling state；
Fig. 2 is overall structure diagram under the utility model analysis state；
In figure: the first switching valve of 1-；The second switching valve of 2-；3- quantity tube；The first chromatographic column of 4-；The second chromatographic column of 5-；6-
Needle valve；7- helium ion detector；8- sample inlet；9- sample export；The first carrier gas port of 10-；The second carrier gas port of 11-；12- is short
Adapter tube road.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis, including first
Switching valve 1 and the second switching valve 2, in first switching valve 1 by gas path pipe be connected with chromatographic first chromatographic column 4 with
Second chromatographic column 5, the chromatograph are transmitted to Central Control Room for data are analyzed；Second switching valve 2 is connected by gas path pipe
There are needle valve 6 and helium ion detector 7.
No. 1 interface of specific first switching valve 1 is connected with sample inlet 8 by gas path pipe；Described first cuts
No. 2 interfaces for changing valve 1 are connected with sample export 9 by gas path pipe；No. 3 interfaces and No. 10 interfaces of first switching valve 1
The quantity tube 3 of first switching valve 1 is connected by gas path pipe；No. 4 interfaces of first switching valve 1 are connected by gas path pipe
It is connected to the first carrier gas port 10；No. 5 interfaces of first switching valve 1 are connect by No. 9 that gas path pipe connects first switching valve 1
Mouthful, first chromatographic column 4 is connected on the gas path pipe；No. 6 interfaces of first switching valve 1 are connected by gas path pipe
No. 3 interfaces of second switching valve 2, second chromatographic column 5 are connected on the gas path pipe；No. 7 of first switching valve 1
Interface is connected with the second carrier gas port 11 by gas path pipe；No. 8 interfaces of first switching valve 1 connect institute by gas path pipe
State No. 1 interface of the second switching valve 2.
No. 22 interfaces of second switching valve are connect by gas path pipe with the helium ion detector 7, and described second cuts
No. 4 interfaces for changing valve 2 are connect with the needle valve 6, and No. 5 interfaces of second switching valve 2 should by the connection of short circuit line 12
No. 6 interfaces of the second switching valve 2.
The short circuit line 12 is all made of with each gas path pipe to be made by the stainless steel material that high temperature Passivation Treatment is crossed, institute
It states the first switching valve 1 and ten-way valve and six-way valve of the VICI with purge gass is respectively adopted with second switching valve 2.
Utility model works process is divided into two parts:
1, sampling process: as shown in Figure 1, sample enters No. 1 interface of the first switching valve 1 from sample inlet 8, then pass through
Quantity tube 3, then be transmitted to sample export 9 from 2 mouthfuls of interfaces of the first switching valve 1 and release；
2, analytic process: as shown in Fig. 2, the first switching valve 1 of switching, carrier gas 1 carry in quantity tube 3 from the first carrier gas port 10
Sample pass through the first chromatographic column 4；Carrier gas 2 is carried through the sample of the first chromatographic column 4 from the second carrier gas port 11, then passes through second
Chromatographic column 5 detects oxygen by helium ion detector 7；Other heavy constituents are carried when the first switching valve 1 is resetted by carrier gas 1
The needle valve 6 for being retained in No. 4 interface connection of the heavy constituent in the first chromatographic column 4 Jing Guo the second switching valve 2 is released.
Based on above-mentioned, it is micro miscellaneous that the utility model has advantages in that perfluor iodoethane may be implemented in the utility model
The on-line continuous of matter oxygen is analyzed, safety and stability with higher, while also having high sensitivity and reproducible
Advantage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis, including the first switching valve (1) and second
Switching valve (2), it is characterised in that: chromatographic first chromatographic column is connected with by gas path pipe on first switching valve (1)
(4) and the second chromatographic column (5), the chromatograph are transmitted to Central Control Room for data are analyzed；Second switching valve (2) passes through gas circuit
Pipeline is connected with needle valve (6) and helium ion detector (7).
2. a kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis according to claim 1, special
Sign is: (1) No. 1 interface of first switching valve is connected with sample inlet (8) by gas path pipe；First switching valve
(1) No. 2 interface is connected with sample export (9) by gas path pipe；(1) No. 3 interface of first switching valve and No. 10 interfaces are logical
Cross the quantity tube (3) that gas path pipe connects first switching valve (1)；(1) No. 4 interface of first switching valve passes through gas path pipe
It is connected with the first carrier gas port (10)；(1) No. 5 interface of first switching valve connects first switching valve (1) 9 by gas path pipe
Number interface, first chromatographic column (4) are connected on the gas path pipe；(1) No. 6 interface of first switching valve passes through gas circuit pipe
Road connects (2) No. 3 interfaces of second switching valve, and second chromatographic column (5) is connected on the gas path pipe；First switching
(1) No. 7 interface of valve is connected with the second carrier gas port (11) by gas path pipe；(1) No. 8 interface of first switching valve passes through gas circuit
Pipeline connects described (2) No. 1 interfaces of second switching valve.
3. a kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis according to claim 2, special
Sign is: (2) No. 2 interfaces of second switching valve are connect by gas path pipe with the helium ion detector (7), and described second
(2) No. 4 interfaces of switching valve are connect with the needle valve (6), and (2) No. 5 interfaces of second switching valve pass through short circuit line (12)
Connect (2) No. 6 interfaces of second switching valve.
4. a kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis according to claim 3, special
Sign is: the short circuit line (12) is all made of with each gas path pipe to be made by the stainless steel material that high temperature Passivation Treatment is crossed,
Ten-way valve and six-way valve of the VICI with purge gass is respectively adopted in first switching valve (1) and second switching valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299714.7U CN208672581U (en) | 2018-08-13 | 2018-08-13 | A kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299714.7U CN208672581U (en) | 2018-08-13 | 2018-08-13 | A kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672581U true CN208672581U (en) | 2019-03-29 |
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ID=65836209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821299714.7U Active CN208672581U (en) | 2018-08-13 | 2018-08-13 | A kind of in-line analyzer for perfluor iodoethane trace impurity oxygen analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208672581U (en) |
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2018
- 2018-08-13 CN CN201821299714.7U patent/CN208672581U/en active Active
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