CN204719015U - A kind of gas chromatograph - Google Patents
A kind of gas chromatograph Download PDFInfo
- Publication number
- CN204719015U CN204719015U CN201520342894.2U CN201520342894U CN204719015U CN 204719015 U CN204719015 U CN 204719015U CN 201520342894 U CN201520342894 U CN 201520342894U CN 204719015 U CN204719015 U CN 204719015U
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- Prior art keywords
- tcd
- pipeline
- valve
- thermal conductivity
- chromatographic column
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a kind of gas chromatograph, comprise source of the gas, spinner-type flowmeter, reduction valve, flow speed control valve, tensimeter, six-plane rotary valve, quantity tube, carburetor, thermostat, chromatographic column, atmospheric valve, display screen, MCU, thermal conductivity detector (TCD) and pipeline, described source of the gas is connected by pipeline with reduction valve, described source of the gas is connected by pipeline with the bottom of thermal conductivity detector (TCD), described six-plane rotary valve is connected with quantity tube, described six-plane rotary valve is connected by pipeline with chromatographic column, carburetor is provided with between described six-plane rotary valve and chromatographic column, described chromatographic column is arranged on thermostat inside, described chromatographic column thermal conductivity detector (TCD) is connected by pipeline, described atmospheric valve is connected with thermal conductivity detector (TCD), described display screen and MCU are by being electrically connected, described MCU and thermal conductivity detector (TCD) are by being electrically connected.The utility model structure is simple, and have versatility, be all quick on the draw to a lot of material, measurement range is wide, and reaction is fast, and response signal is stablized.
Description
Technical field
The utility model relates to pick-up unit technical field, is specially a kind of gas chromatograph.
Background technology
Gas chromatograph is applied very wide in oil, chemical industry, biological chemistry, medical and health, food industry, environmental protection etc.It is except for quantitatively and except qualitative analysis, can also the physicochemical constant such as the partition factor of working sample on Stationary liquid, activity coefficient, molecular weight and specific surface area, is a kind of instrument carrying out analyzing detection to each component in mixed gas.Existing gas chromatograph sensitivity is low, and response signal is comparatively large by the impact of amount of carbon atom in measured matter, and it is more blunt to react.The utility model provides a kind of gas chromatograph, and structure is simple, and have versatility, be all quick on the draw to a lot of material, measurement range is wide, and reaction is fast, and response signal is stablized.
Utility model content
The purpose of this utility model is to provide a kind of gas chromatograph, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of gas chromatograph, comprise source of the gas, spinner-type flowmeter, reduction valve, flow speed control valve, tensimeter, six-plane rotary valve, quantity tube, carburetor, thermostat, chromatographic column, atmospheric valve, display screen, MCU, thermal conductivity detector (TCD) and pipeline, described source of the gas is connected by pipeline with reduction valve, described source of the gas is connected by pipeline with the bottom of thermal conductivity detector (TCD), described six-plane rotary valve is connected with quantity tube, described six-plane rotary valve is connected by pipeline with chromatographic column, carburetor is provided with between described six-plane rotary valve and chromatographic column, described chromatographic column is arranged on thermostat inside, described chromatographic column thermal conductivity detector (TCD) is connected by pipeline, described atmospheric valve is connected with thermal conductivity detector (TCD), described display screen and MCU are by being electrically connected, described MCU and thermal conductivity detector (TCD) are by being electrically connected.
Preferably, described spinner-type flowmeter is connected with flow speed control valve.
Preferably, described spinner-type flowmeter is connected with tensimeter.
Preferably, described reduction valve top is connected by pipeline with flow speed control valve bottom.
Preferably, described thermostat is two.
Preferably, described thermal conductivity detector (TCD) and chromatographic column are all arranged on thermostat inside.
Preferably, described display screen is LCDs.
Compared with prior art, the beneficial effects of the utility model are: this gas chromatograph structure is simple, and have versatility, be all quick on the draw to a lot of material, measurement range is wide, and reaction is fast, and response signal is stablized.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, source of the gas, 2, spinner-type flowmeter, 3, reduction valve, 4, flow speed control valve, 5, tensimeter, 6, six-plane rotary valve, 7, quantity tube, 8, carburetor, 9, thermostat, 10, chromatographic column, 11, atmospheric valve, 12, display screen, 13, MCU, 14, thermal conductivity detector (TCD) and 15, pipeline.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of gas chromatograph, comprise source of the gas 1, spinner-type flowmeter 2, reduction valve 3, flow speed control valve 4, tensimeter 5, six-plane rotary valve 6, quantity tube 7, carburetor 8, thermostat 9, chromatographic column 10, atmospheric valve 11, display screen 12, MCU13, thermal conductivity detector (TCD) 14 and pipeline 15, described source of the gas 1 is connected by pipeline 15 with reduction valve 3, described source of the gas 1 is connected by pipeline 15 with the bottom of thermal conductivity detector (TCD) 14, described six-plane rotary valve 6 is connected with quantity tube 7, described six-plane rotary valve 6 is connected by pipeline 15 with chromatographic column 10, carburetor 8 is provided with between described six-plane rotary valve 6 and chromatographic column 10, it is inner that described chromatographic column 10 is arranged on thermostat 9, described chromatographic column 10 thermal conductivity detector (TCD) 14 is connected by pipeline 15, described display screen 12 and MCU13 are by being electrically connected, described MCU13 and thermal conductivity detector (TCD) 14 are by being electrically connected.
Principle of work: during use, origin pressure is dropped to about 250KPa by reduction valve 3, variable valve 4 is for regulating the flow of carrier gas, and show uninterrupted with spinner-type flowmeter 2, six-plane rotary valve 6 and quantity tube 7 are with the use of the quantitative sampling realized sample and sample introduction, carburetor 8 is used for fluid sample to gasify, to flow through chromatographic column 10. due to stratographic analysis and temperature with carrier gas having very large relation, so be provided with thermostat 9 with the temperature value keeping the temperature of chromatographic column 10 to reach setting in chromatograph, gas is released by atmospheric valve 11 by sample and carrier gas after flowing through thermal conductivity detector (TCD) 14.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (7)
1. a gas chromatograph, comprises source of the gas (1), spinner-type flowmeter (2), reduction valve (3), flow speed control valve (4), tensimeter (5), six-plane rotary valve (6), quantity tube (7), carburetor (8), thermostat (9), chromatographic column (10), atmospheric valve (11), display screen (12), MCU (13), thermal conductivity detector (TCD) (14) and pipeline (15), it is characterized in that: described source of the gas (1) is connected by pipeline (15) with reduction valve (3), described source of the gas (1) is connected by pipeline (15) with the bottom of thermal conductivity detector (TCD) (14), described six-plane rotary valve (6) is connected with quantity tube (7), described six-plane rotary valve (6) is connected by pipeline (15) with chromatographic column (10), carburetor (8) is provided with between described six-plane rotary valve (6) and chromatographic column (10), it is inner that described chromatographic column (10) is arranged on thermostat (9), described chromatographic column (10) thermal conductivity detector (TCD) (14) is connected by pipeline (15), described atmospheric valve (11) is connected with thermal conductivity detector (TCD) (14), described display screen (12) and MCU (13) are by being electrically connected, described MCU (13) and thermal conductivity detector (TCD) (14) are by being electrically connected.
2. a kind of gas chromatograph according to claim 1, is characterized in that: described spinner-type flowmeter (2) is connected with flow speed control valve (4).
3. a kind of gas chromatograph according to claim 1, is characterized in that: described spinner-type flowmeter (2) is connected with tensimeter (5).
4. a kind of gas chromatograph according to claim 1, is characterized in that: described reduction valve (3) top is connected by pipeline (15) with flow speed control valve (4) bottom.
5. a kind of gas chromatograph according to claim 1, is characterized in that: described thermostat (9) is two.
6. a kind of gas chromatograph according to claim 1, is characterized in that: it is inner that described thermal conductivity detector (TCD) (14) and chromatographic column (10) are all arranged on thermostat (9).
7. a kind of gas chromatograph according to claim 1, is characterized in that: described display screen (12) is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520342894.2U CN204719015U (en) | 2015-05-25 | 2015-05-25 | A kind of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520342894.2U CN204719015U (en) | 2015-05-25 | 2015-05-25 | A kind of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204719015U true CN204719015U (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520342894.2U Expired - Fee Related CN204719015U (en) | 2015-05-25 | 2015-05-25 | A kind of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204719015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880527A (en) * | 2015-05-25 | 2015-09-02 | 苏州市华安普电力工程有限公司 | Gas chromatograph |
-
2015
- 2015-05-25 CN CN201520342894.2U patent/CN204719015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880527A (en) * | 2015-05-25 | 2015-09-02 | 苏州市华安普电力工程有限公司 | Gas chromatograph |
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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: 20151021 Termination date: 20170525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |