CN104880527A - Gas chromatograph - Google Patents
Gas chromatograph Download PDFInfo
- Publication number
- CN104880527A CN104880527A CN201510270605.7A CN201510270605A CN104880527A CN 104880527 A CN104880527 A CN 104880527A CN 201510270605 A CN201510270605 A CN 201510270605A CN 104880527 A CN104880527 A CN 104880527A
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- China
- Prior art keywords
- valve
- thermal conductivity
- chromatographic column
- pipeline
- conductivity detector
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Links
- 230000009467 reduction Effects 0.000 claims description 10
- 230000004044 response Effects 0.000 abstract description 5
- 238000011002 quantification Methods 0.000 abstract 2
- 239000006200 vaporizer Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 18
- 239000012159 carrier gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a gas chromatograph which comprises a gas source, a rotameter, a reducing valve, a speed regulation valve, a pressure gage, a six-way plane rotary valve, a quantification pipe, a vaporizer, a thermostat, a chromatographic column, an emptying valve, a display screen, a MCU, a thermal conductivity detector and pipelines, wherein the gas source is connected with the reducing valve through the pipeline; the gas source is connected with the lower part of the thermal conductivity detector through the pipeline; the six-way plane rotary valve is connected with the quantification pipe; the six-way plane rotary valve is connected with the chromatographic column through the pipeline; the vaporizer is arranged between the six-way plane rotary valve and the chromatographic column; the chromatographic column is mounted in the thermostat; the chromatographic column is connected with the thermal conductivity detector through the pipeline; the emptying valve is connected with the thermal conductivity detector; the display screen is electrically connected with the MCU; the MCU is electrically connected with the thermal conductivity detector. The gas chromatograph is simple in structure, has universality, sensitively responds to various matters, and is wide in measuring range, quick in response and stable in response signal.
Description
Technical field
The present invention relates to pick-up unit technical field, be 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 invention provides a kind of 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.
Summary of the invention
The object of the present invention is to provide a kind of gas chromatograph, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention 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 invention has the beneficial effects as follows: this gas chromatograph structure is simple, and have versatility, be all quick on the draw to a lot of material, measurement range is wide, reaction is fast, and response signal is stablized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
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 embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the invention 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 describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention 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 |
|---|---|---|---|
| CN201510270605.7A CN104880527A (en) | 2015-05-25 | 2015-05-25 | Gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270605.7A CN104880527A (en) | 2015-05-25 | 2015-05-25 | Gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104880527A true CN104880527A (en) | 2015-09-02 |
Family
ID=53948098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510270605.7A Pending CN104880527A (en) | 2015-05-25 | 2015-05-25 | Gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104880527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358126A (en) * | 2018-10-31 | 2019-02-19 | 国网重庆市电力公司电力科学研究院 | A chromatograph for detecting sulfur hexafluoride decomposition products |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295251A (en) * | 1988-09-30 | 1990-04-06 | Yokogawa Electric Corp | Detector for gas chromatography |
| CN2098034U (en) * | 1991-05-14 | 1992-03-04 | 海阳县标准计量局 | Host machine of fake pesticide detector |
| JPH04110768A (en) * | 1990-08-31 | 1992-04-13 | Shimadzu Corp | Hydrocarbon analysis method and analysis device |
| US20030015019A1 (en) * | 2000-01-25 | 2003-01-23 | The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portl | Method and apparatus for concentrating samples for analysis |
| CN104407068A (en) * | 2014-11-20 | 2015-03-11 | 常州市浩峰灯具厂 | Gas chromatograph |
| CN204214824U (en) * | 2014-08-23 | 2015-03-18 | 国家电网公司 | For the three-way device of insulating oil gas chromatographic analysis |
| CN204719015U (en) * | 2015-05-25 | 2015-10-21 | 苏州市华安普电力工程有限公司 | A kind of gas chromatograph |
-
2015
- 2015-05-25 CN CN201510270605.7A patent/CN104880527A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295251A (en) * | 1988-09-30 | 1990-04-06 | Yokogawa Electric Corp | Detector for gas chromatography |
| JPH04110768A (en) * | 1990-08-31 | 1992-04-13 | Shimadzu Corp | Hydrocarbon analysis method and analysis device |
| CN2098034U (en) * | 1991-05-14 | 1992-03-04 | 海阳县标准计量局 | Host machine of fake pesticide detector |
| US20030015019A1 (en) * | 2000-01-25 | 2003-01-23 | The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portl | Method and apparatus for concentrating samples for analysis |
| CN204214824U (en) * | 2014-08-23 | 2015-03-18 | 国家电网公司 | For the three-way device of insulating oil gas chromatographic analysis |
| CN104407068A (en) * | 2014-11-20 | 2015-03-11 | 常州市浩峰灯具厂 | Gas chromatograph |
| CN204719015U (en) * | 2015-05-25 | 2015-10-21 | 苏州市华安普电力工程有限公司 | A kind of gas chromatograph |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358126A (en) * | 2018-10-31 | 2019-02-19 | 国网重庆市电力公司电力科学研究院 | A chromatograph for detecting sulfur hexafluoride decomposition products |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150902 |
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| WD01 | Invention patent application deemed withdrawn after publication |