CN101004366A - Manual gas quantitative sampling device - Google Patents
Manual gas quantitative sampling device Download PDFInfo
- Publication number
- CN101004366A CN101004366A CN 200610037955 CN200610037955A CN101004366A CN 101004366 A CN101004366 A CN 101004366A CN 200610037955 CN200610037955 CN 200610037955 CN 200610037955 A CN200610037955 A CN 200610037955A CN 101004366 A CN101004366 A CN 101004366A
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- CN
- China
- Prior art keywords
- gas
- quantitative
- constant temperature
- sample
- needle
- Prior art date
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- 238000005070 sampling Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 39
- 239000012159 carrier gas Substances 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229960001866 silicon dioxide Drugs 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 description 5
- 239000000470 constituent Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003869 coulometry Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
A manual gas quantitative sampling device belongs to a matching device of a chemical analysis instrument for gas detection and mainly comprises a case, a thermostatic chamber, a quantitative tube, a two-position six-way valve and a sampling needle. The constant temperature chamber is positioned in the case, a heat dissipation flat plate with a heating core and a temperature sensor is arranged in the constant temperature chamber, the quantitative tube is arranged in the constant temperature chamber, two ends of the quantitative tube are connected to two interfaces of the six-way valve, the other interfaces of the six-way valve are respectively connected with the gas inlet pipe, the gas outlet pipe, the redundant gas exhaust pipe and the carrier gas inlet pipe of the sample gas, the quantitative tube is two corrosion-resistant spiral tubes, and the volumes of the quantitative tubes are different. A needle valve is arranged in the carrier gas inlet pipeline. By adjusting the six-way valve and the needle valve, the sample gas is filled in the quantitative tube, the constant temperature is kept, and then the sample gas is pushed by the carrier gas and sent into the cracking furnace through the sample injection needle, so that the quantitative sample injection is realized.
Description
Technical field
The present invention relates to a kind of manual type device for sampling quantitative gas, be applied to measure an alanysis instrument of some constituent content in crude oil under the gaseous state and the derived product thereof especially.
Background technology
Utilize classical coulometry or use optical tech when measuring under the gaseous state in crude oil and the derived product thereof some element, as the N element in the materials such as rock gas, biogas, S constituent content, need a certain amount of detected sample under gaseous state, deliver in 1100 ℃ the pyrolysis furnace, after being allowed to condition in the oxygen fully burning, enter sensing chamber again, determine its respective element content.At present, still there is not specific device for sampling quantitative gas.When usually detecting, tested gas is charged in the leather bag, then, syringe needle thrust in the leather bag extract.Owing to extract piston repeatedly, certain clearance is arranged in the chamber, cause systematic error, can not be accurately quantitative, and also detected sample is not made constant temperature and is handled, and sends into pyrolysis furnace under different temperatures, can influence accuracy of detection.
Summary of the invention
It is quick that the technical problem to be solved in the present invention provides a kind of sample introduction, quantitatively accurately, can improve accuracy of detection, and manual type device for sampling quantitative gas easy and simple to handle.
Technical scheme of the present invention is: manual type device for sampling quantitative gas mainly is made of cabinet, constant temperature enclosure, quantity tube, two six-way valves, sample introduction needle, described constant temperature enclosure is positioned at cabinet, quantity tube is located in the constant temperature enclosure, the two ends of quantity tube join with two interfaces of six-way valve respectively, all the other interfaces of six-way valve join with sample gas draft tube, sample gas snorkel and sample introduction needle, the unnecessary gas vent pipe of sample gas, carrier gas draft tube respectively, and six-way valve is contained on the cabinet panel.
It is dull and stereotyped that above-mentioned constant temperature enclosure intracavity bottom is provided with heat radiation, the dull and stereotyped embedded electrical heating core that dispels the heat, and temperature sensor is housed, and the constant temperature enclosure inwall has warming plate, and the temperature controller that links to each other with electrical heating core, temperature sensor is contained on the cabinet panel; Described quantity tube is two independently corrosion-resistant spiral pipes, and a quantitative volume is 8～15ml, and the quantitative volume of another is 0.5～1.5ml, and two quantity tubes join with the corresponding interface of two six-way valves respectively; Be provided with needle valve in the pipeline of described carrier gas draft tube, carrier gas is N
2Or Ar, needle valve is contained on the cabinet panel; Described sample introduction needle is that injection needle and polyfluortetraethylene pipe are housed in fixed cover, and fixes with silicagel pad, uses nut compressing.
Adopt above technical scheme,, regulate six-way valve, sample gas is introduced, be full of quantity tube, accomplish quantitatively accurately because the volume of quantity tube is constant accurately; Switch six-way valve again, connect plenum duct, open needle valve simultaneously, carrier gas is released sample gas with certain flow and pressure, send in the pyrolysis furnace by sample introduction needle, thereby realization quantitative sample injection, not only quantitatively accurately, sample introduction is quick, repeats the reliability height, and six-way valve and needle valve all be contained on the panel, and be easy and simple to handle; Two quantity tubes constitute the sample introduction gas circuit of different basis weights, enlarge range of application.Simultaneously, quantity tube is in the constant temperature enclosure, and constant temperature enclosure is controlled at certain temperature, makes detected sample send into pyrolysis furnace under temperature constant state, can improve accuracy of detection.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view (cabinet panel) of Fig. 1;
Fig. 3 is a cooling fins plate structure synoptic diagram;
Fig. 4 is the sample introduction needle structural representation;
Fig. 5 is a gas circuit connection diagram of the present invention.
Embodiment
Referring to accompanying drawing, constant temperature enclosure 5 is fixed on cabinet 1 inside, and the constant temperature enclosure intracavity bottom has heat radiation dull and stereotyped 8, wall has warming plate 2, and the heat radiation flat board is embedded with electrical heating core 11, and temperature sensor 12 is housed, two six-way valves 6 and 7 are housed, needle valve 9 and 10 on the panel of cabinet 1.Two quantity tubes are located in the constant temperature enclosure, and wherein quantity tube 3 volumes are 10ml, and two interfaces of two ends and six-way valve 7 join, and quantity tube 4 volumes are 1ml, and two interfaces of two ends and six-way valve 6 join.All the other interfaces of six-way valve join with the unnecessary gas vent pipe of draft tube, sample introduction needle, needle valve and the sample gas of sample gas first, second respectively.
During use,, constant temperature enclosure is heated to predetermined temperature by temperature controller 21 design temperatures; Open needle valve 9, turning knob regulates carrier gas N
2Or the flow of Ar.When six-way valve 7 handles are in A
1During the position, a
2～a
3Open-minded, a
4, a
5Close, the sample gas first is filled with quantity tube 3, and unnecessary is flowed out by vent pipe; When handle turns to A
2During the position, a
5～a
6Open-minded, a
3～a
4Open-minded, then carrier gas is sent into the quantitative sample in the quantity tube 3 in the pyrolysis furnace by sample introduction needle.In the same way, can realize the quantitative sample injection of sample gas second or the different basis weights sample introduction of same sample by needle valve 10, six-way valve 6, quantity tube 4.Be connected on sample introduction needle on the sample gas snorkel by injection needle 20, polyfluortetraethylene pipe 13, and be assembled securely by fixed cover 17, two pass joints 16, nut 15 and silicagel pad 14,18,19.In the use, sample gas and carrier gas need not to close, and can open always.
Claims (5)
1, a kind of manual type device for sampling quantitative gas, it is characterized in that mainly constituting by cabinet, constant temperature enclosure, quantity tube, two six-way valves, sample introduction needle, described constant temperature enclosure is positioned at cabinet, quantity tube is located in the constant temperature enclosure, the two ends of quantity tube join with two interfaces of six-way valve respectively, all the other interfaces of six-way valve join with sample gas draft tube, sample gas snorkel and sample introduction needle, the unnecessary gas vent pipe of sample gas, carrier gas draft tube respectively, and six-way valve is contained on the cabinet panel.
2, by the described manual type device for sampling quantitative gas of claim 1, it is dull and stereotyped to it is characterized in that the constant temperature enclosure intracavity bottom is provided with heat radiation, dull and stereotyped embedded electrical heating core dispels the heat, and temperature sensor is housed, the constant temperature enclosure inwall has warming plate, and the temperature controller that links to each other with electrical heating core, temperature sensor is contained on the cabinet panel.
3, by the described manual type device for sampling quantitative gas of claim 1, it is characterized in that quantity tube is two independently corrosion-resistant spiral pipes, a quantitative volume is that the quantitative volume of 8～15ml. another is 0.5～1.5ml, and two quantity tubes join with the corresponding interface of two six-way valves respectively.
4, by the described manual type device for sampling quantitative gas of claim 1, it is characterized in that being provided with needle valve in the pipeline of described carrier gas draft tube, carrier gas is N
2Or Ar, needle valve is contained on the cabinet panel.
5, by the described manual type device for sampling quantitative gas of claim 1, it is characterized in that described sample introduction needle is that injection needle and polyfluortetraethylene pipe are housed in fixed cover, and fix, use nut compressing with silicagel pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610037955 CN101004366A (en) | 2006-01-21 | 2006-01-21 | Manual gas quantitative sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610037955 CN101004366A (en) | 2006-01-21 | 2006-01-21 | Manual gas quantitative sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101004366A true CN101004366A (en) | 2007-07-25 |
Family
ID=38703651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610037955 Pending CN101004366A (en) | 2006-01-21 | 2006-01-21 | Manual gas quantitative sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101004366A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793875A (en) * | 2010-03-23 | 2010-08-04 | 盐城银河科技有限公司 | Indoor-outdoor air comprehensive detector |
| CN101169453B (en) * | 2007-10-12 | 2011-06-15 | 中国计量科学研究院 | Multipath gas automatic sampling device |
| CN103091427A (en) * | 2011-11-04 | 2013-05-08 | 中国石油化工股份有限公司 | Online pretreatment device of chromatography gas sample and use method thereof |
| CN103091428A (en) * | 2011-11-04 | 2013-05-08 | 中国石油化工股份有限公司 | Online pretreatment device of chromatography gas sample and use method thereof |
| CN103700566A (en) * | 2013-12-10 | 2014-04-02 | 苏州大学 | Device and method for quantitatively supplying cushion gas to ion trap mass spectrometer |
| CN105043814A (en) * | 2015-07-01 | 2015-11-11 | 阿拉山口出入境检验检疫局综合技术服务中心 | Mixing device of sampled sample of liquefied petroleum gas |
| CN109187833A (en) * | 2018-08-31 | 2019-01-11 | 江苏省送变电有限公司 | A kind of automatic sampling apparatus and its application method of pressure controllable thermostatic type detection sulfur hexafluoride gas |
-
2006
- 2006-01-21 CN CN 200610037955 patent/CN101004366A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169453B (en) * | 2007-10-12 | 2011-06-15 | 中国计量科学研究院 | Multipath gas automatic sampling device |
| CN101793875A (en) * | 2010-03-23 | 2010-08-04 | 盐城银河科技有限公司 | Indoor-outdoor air comprehensive detector |
| CN103091427A (en) * | 2011-11-04 | 2013-05-08 | 中国石油化工股份有限公司 | Online pretreatment device of chromatography gas sample and use method thereof |
| CN103091428A (en) * | 2011-11-04 | 2013-05-08 | 中国石油化工股份有限公司 | Online pretreatment device of chromatography gas sample and use method thereof |
| CN103091428B (en) * | 2011-11-04 | 2014-08-27 | 中国石油化工股份有限公司 | Online pretreatment device of chromatography gas sample and use method thereof |
| CN103091427B (en) * | 2011-11-04 | 2015-06-17 | 中国石油化工股份有限公司 | Online pretreatment device of chromatography gas sample and use method thereof |
| CN103700566A (en) * | 2013-12-10 | 2014-04-02 | 苏州大学 | Device and method for quantitatively supplying cushion gas to ion trap mass spectrometer |
| CN103700566B (en) * | 2013-12-10 | 2016-04-20 | 苏州大学 | A kind of is the apparatus and method of ion trap mass spectrometer weight feed cushion gas |
| CN105043814A (en) * | 2015-07-01 | 2015-11-11 | 阿拉山口出入境检验检疫局综合技术服务中心 | Mixing device of sampled sample of liquefied petroleum gas |
| CN105043814B (en) * | 2015-07-01 | 2017-11-28 | 阿拉山口出入境检验检疫局综合技术服务中心 | A kind of liquefied petroleum gas samples sample mix device |
| CN109187833A (en) * | 2018-08-31 | 2019-01-11 | 江苏省送变电有限公司 | A kind of automatic sampling apparatus and its application method of pressure controllable thermostatic type detection sulfur hexafluoride gas |
| CN109187833B (en) * | 2018-08-31 | 2023-12-15 | 江苏省送变电有限公司 | Automatic sample injection device for pressure-controllable constant-temperature detection of sulfur hexafluoride gas and application method thereof |
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