CN106526046B - A kind of gas-chromatography glass liner tube structure - Google Patents
A kind of gas-chromatography glass liner tube structure Download PDFInfo
- Publication number
- CN106526046B CN106526046B CN201611046822.9A CN201611046822A CN106526046B CN 106526046 B CN106526046 B CN 106526046B CN 201611046822 A CN201611046822 A CN 201611046822A CN 106526046 B CN106526046 B CN 106526046B
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- China
- Prior art keywords
- bearing cavity
- gas
- glass
- bushing pipe
- chromatography
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The present invention relates to a kind of gas-chromatography shunt/not to shunt glass lined pipe structure, including gas-chromatography shunting/glass lined pipe is not shunted, liner cup, silica wool, bushing pipe inner wall supports the position of locating piece and liner cup in glass bushing pipe bearing cavity, wherein glass bushing pipe is cylindrical structural, bearing cavity is set in glass bushing pipe, bearing cavity end is connected with capillary chromatographic column front end, glass bushing pipe bearing cavity front end face is connected with injection port, at least two locating pieces are set in bearing cavity, place silica wool cushion block in locating piece top, liner cup is in bearing cavity, connected between liner bottom of a cup portion and bearing cavity locating piece top by quartzy cotton pad.One aspect of the present invention can isolate nonvolatile matter and higher boiling involatile matter and gas-chromatography glass lined inside pipe wall be polluted and prevented gas chromatographic column column cap from blocking, and on the other hand flexibly can easily carry out the maintaining operation of gas chromatographic sample introduction mouth system.
Description
Technical field
It is exactly a kind of gas-chromatography shunting/do not shunt glass lined pipe the present invention relates to a kind of experimental detection device
Structure.
Background technology
Carried out when carrying out gas chromatographic analysis to sample, it is necessary to use dedicated glass lined tube apparatus, but in reality
Found during use, although current glass bushing pipe can meet the needs for carrying out fundamental analysis, device structure is relatively solid
Order one, is on the one hand caused during test analysis, when analyze in sample solution there are higher boiling involatile matter or it is a small amount of not
During volatile matter, the material of these hardly possible volatilizations is easy for being attached on glass lined tube wall or falling on chromatographic column column cap, so that easily
The pollution of glass lined inside pipe wall and chromatographic column column cap is caused to block, it is easy to which sensitivity and precision to testing result cause seriously
Influence, on the other hand also cause the service life of glass bushing pipe and chromatographic column to greatly shorten, therefore be directed to this present situation, compel to be essential
A kind of brand-new gas-chromatography glass lined pipe device is developed, to meet the needs of actual use.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of gas-chromatography glass liner tube structure, the invention knot
Structure is simple, flexible and convenient to use, not only can fast and effeciently realize the needs of detection gasification substance, while can isolate and not wave
Stimulating food and higher boiling involatile matter, avoid glass lined inside pipe wall contaminated and chromatographic column column cap is blocked, so as to reach raising inspection
Survey precision and extend the purpose of service life of equipment, on the other hand replacement prune job easily flexibly can be carried out to equipment, from
And the service efficiency of equipment is greatly improved, and further extend the service life of equipment
To achieve these goals, the present invention is to realize by the following technical solutions：
A kind of gas-chromatography glass liner tube structure, including gas-chromatography shunt/do not shunt glass lined pipe, liner cup, quartz
The position of cotton pad, bushing pipe inner wall support locating piece and liner cup in glass bushing pipe, wherein gas-chromatography shunting/do not shunt glass
Bushing pipe is cylindrical structural, and bearing cavity is set in gas-chromatography glass bushing pipe, and bearing cavity end is connected with capillary chromatographic column front end, holds
Carry chamber front end be connected with gas chromatographic sample introduction mouth front end face, liner cup be embedded in glass bushing pipe bearing cavity in, and with bearing cavity built in
Quartzy cotton pad top offsets, and liner cup is coaxially distributed with glass bushing pipe bearing cavity, and liner cup overall diameter carries for glass bushing pipe
2/3-the 5/6 of intracavitary diameter, sets the air-guiding gap that width is not more than 1 millimeter, holds between liner cup side surface and carrying cavity inner wall
Carry intracavitary and at least two locating pieces are set, and each locating piece is distributed around carrying cavity axis, between liner bottom of a cup portion and locating piece
Connected by quartzy cotton pad, silica wool cushion block offsets with locating piece upper surface, and sample introduction syringe needle pricks the position into glass bushing pipe during sample introduction
Between putting 1/10-9/10 in liner cup effective height, and coaxially it is distributed with liner cup.
Further, the locating piece is an integral structure with gas-chromatography glass bushing pipe.
The configuration of the present invention is simple, it is flexible and convenient to use, it on the one hand can fast and effeciently realize the need of detection gasification substance
Will, while nonvolatile matter and higher boiling involatile matter can be isolated, avoid glass lined inside pipe wall contaminated and chromatographic column column cap quilt
Block, so that achieve the purpose that to improve accuracy of detection and extend service life of equipment, on the other hand can be flexibly easily to equipment
Replacement prune job is carried out, so as to greatly improve the service efficiency of equipment, and further extends the service life of equipment.
Brief description of the drawings
It is next with reference to the accompanying drawings and detailed description that the present invention will be described in detail；
Fig. 1 is schematic structural view of the invention；
Fig. 2 is positioning block structure schematic diagram.
Embodiment
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, with reference to
Embodiment, the present invention is further explained.
A kind of gas-chromatography glass liner tube structure as described in Fig. 1 and 2, including gas-chromatography shunting/do not shunt glass lined
Tube wall 1, liner cup 2, chromatographic column connectivity port 3, silica wool cushion block 4, sample introduction syringe needle 8, wherein glass lined tube wall 1 are tied for cylinder
Structure, sets bearing cavity 5 in glass lined tube wall 1,5 end of bearing cavity is capillary chromatographic column connecting pin 3,5 front end of bearing cavity and gas phase
Chromatography column feed materials mouth connects, and bearing cavity 5 is coaxially distributed with capillary chromatographic column connectivity port 3, and at least two positioning are set in bearing cavity 5
Block 7, and each locating piece 7, around the distribution of 5 axis of bearing cavity, for liner cup 2 in bearing cavity 5, liner cup 2 and bearing cavity 5 are same
Axis is distributed, and the air-guiding gap 6 that width is not more than 1 millimeter, 2 bottom of liner cup are set between 2 side surface of liner cup and carrying 5 inner wall of cavity
It is connected between locating piece 7 by quartzy cotton pad 4, quartzy cotton pad 4 offsets with 7 upper surface of locating piece, and sample introduction syringe needle 8 is located at during sample introduction
Between 1/10-the 9/10 of liner cup effective height, and coaxially it is distributed with liner cup.
In the present embodiment, the locating piece 7 is an integral structure with glass lined tube wall 1.
In the use of the present invention, silica wool cushion block is placed into bearing cavity first, and offset with locating piece in bearing cavity,
Then liner cup is put into bearing cavity and offseted with silica wool cushion block, adjust position of the liner cup in bearing cavity
Carry out follow-up experimental implementation.
The configuration of the present invention is simple, it is flexible and convenient to use, it on the one hand can fast and effeciently realize the need of detection gasification substance
Will, while nonvolatile matter and higher boiling involatile matter can be isolated, avoid glass lined inside pipe wall contaminated and chromatographic column column cap quilt
Block, so that achieve the purpose that to improve accuracy of detection and extend service life of equipment, on the other hand can be flexibly easily to equipment
Replacement prune job is carried out, so as to greatly improve the service efficiency of equipment, and further extends the service life of equipment.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of gas-chromatography shunt/does not shunt glass lined pipe structure, it is characterised in that：The gas-chromatography glass bushing pipe knot
Structure shunt/does not shunt glass lined pipe, liner cup, quartzy cotton pad, bushing pipe inner wall support locating piece and liner cup including gas-chromatography
Position in glass bushing pipe, wherein it is cylindrical structural that the gas-chromatography, which shunt/does not shunt glass lined pipe, the gas
Bearing cavity is set in phase chromatography glass bushing pipe, the bearing cavity end is connected with capillary chromatographic column front end, bearing cavity front end and gas
Phase chromatography column feed materials mouth front end face connects, the liner cup in the glass bushing pipe bearing cavity, and with bearing cavity built in silica wool
Pad top offsets, and the liner cup is coaxially distributed with glass bushing pipe bearing cavity, and the liner cup overall diameter is glass lined
2/3-the 5/6 of pipe bearing cavity interior diameter, sets width no more than 1 millimeter between the liner cup side surface and carrying cavity inner wall
Air-guiding gap, at least two locating pieces are set in the bearing cavity, and each locating piece is around carrying cavity axis distribution, institute
Being connected between the liner bottom of a cup portion stated and locating piece by quartzy cotton pad, the silica wool cushion block offsets with locating piece upper surface,
Sample introduction syringe needle is pricked the position into glass bushing pipe and is between 1/10-the 9/10 of liner cup effective height during sample introduction, and with liner cup
Coaxial distribution, it is ensured that higher boiling nonvolatile matter is retained in lining cup without escaping into glass bushing pipe, avoids involatile matter from entering
Chromatographic column column cap and cause blocking, the locating piece is an integral structure with gas-chromatography glass bushing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046822.9A CN106526046B (en) | 2016-11-23 | 2016-11-23 | A kind of gas-chromatography glass liner tube structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046822.9A CN106526046B (en) | 2016-11-23 | 2016-11-23 | A kind of gas-chromatography glass liner tube structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106526046A CN106526046A (en) | 2017-03-22 |
| CN106526046B true CN106526046B (en) | 2018-04-17 |
Family
ID=58356712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611046822.9A Expired - Fee Related CN106526046B (en) | 2016-11-23 | 2016-11-23 | A kind of gas-chromatography glass liner tube structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106526046B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752475B (en) * | 2019-02-27 | 2021-02-02 | 辽东学院 | Gas chromatography glass liner tube structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203597B1 (en) * | 1998-04-15 | 2001-03-20 | G. L. Scince, Inc. | Method and apparatus for mass injection of sample |
| CN2854596Y (en) * | 2005-12-27 | 2007-01-03 | 中华人民共和国天津出入境检验检疫局 | Sample feeding pipe of preprocessing device of gas chromatograph |
| CN204064758U (en) * | 2014-08-05 | 2014-12-31 | 天津师范大学 | A kind of cracking for element determination-chemical evapn generation sampling device |
| CN106066370A (en) * | 2016-06-20 | 2016-11-02 | 中国科学院兰州化学物理研究所 | Gas chromatogram bushing pipe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8506688B2 (en) * | 2008-01-18 | 2013-08-13 | Restek Corporation | Gas chromatographic device |
| JP2014521973A (en) * | 2011-08-11 | 2014-08-28 | ディーエスエム アイピー アセッツ ビー．ブイ． | Sample introduction device and method for providing the same |
| US20140260540A1 (en) * | 2013-03-15 | 2014-09-18 | Agilent Technologies, Inc. | Sample inlet with multi-capillary liner for gas chromatography |
| CN206378472U (en) * | 2016-11-23 | 2017-08-04 | 中山大学 | A kind of gas-chromatography glass liner tube structure |
-
2016
- 2016-11-23 CN CN201611046822.9A patent/CN106526046B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203597B1 (en) * | 1998-04-15 | 2001-03-20 | G. L. Scince, Inc. | Method and apparatus for mass injection of sample |
| CN2854596Y (en) * | 2005-12-27 | 2007-01-03 | 中华人民共和国天津出入境检验检疫局 | Sample feeding pipe of preprocessing device of gas chromatograph |
| CN204064758U (en) * | 2014-08-05 | 2014-12-31 | 天津师范大学 | A kind of cracking for element determination-chemical evapn generation sampling device |
| CN106066370A (en) * | 2016-06-20 | 2016-11-02 | 中国科学院兰州化学物理研究所 | Gas chromatogram bushing pipe |
Non-Patent Citations (1)
| Title |
|---|
| 气相色谱仪进样口衬管的选择;李榕;《江苏食品与发酵》;20060620(第2期);第30～32页 * |
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| Publication number | Publication date |
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| CN106526046A (en) | 2017-03-22 |
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Granted publication date: 20180417 Termination date: 20201123 |