CN102095824B - Heating device on capillary chromatographic column - Google Patents
Heating device on capillary chromatographic column Download PDFInfo
- Publication number
- CN102095824B CN102095824B CN 201110033116 CN201110033116A CN102095824B CN 102095824 B CN102095824 B CN 102095824B CN 201110033116 CN201110033116 CN 201110033116 CN 201110033116 A CN201110033116 A CN 201110033116A CN 102095824 B CN102095824 B CN 102095824B
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- Prior art keywords
- chromatographic column
- capillary
- heating
- column
- calandria
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 pottery Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a heating device on a capillary chromatographic column. The heating device comprises a flexible heating insulating bush, a capillary chromatographic column and a chromatographic column heating body, wherein the capillary chromatographic column is embedded in the chromatographic column heating body; the chromatographic column heating body is embedded in the flexible heating insulating bush; the capillary chromatographic column is connected between a six-way valve and a detector of a gas chromatograph through a screw extruded graphite sleeve chuck so as to be fixed; the chromatographic column heating body is inserted into an attachment joint and is fixed through an insulating and heat-resisting bracket in a column box; the attachment joint is provided with a heating electrode terminal so as to directly heat the chromatographic column; the heating electrode terminal is fixed on the column box through a connector fixing column and a connecting spacer; and a precise thermal resistor is arranged in the column box. The heating device on the chromatographic column provided by the invention is microminiaturized and modularized, has rapid temperature rise and temperature reduction, low power consumption, low cost and high efficiency, makes the chromatographic column uniformly heated and ensures high separation and analysis efficiency.
Description
Technical field
The invention belongs to technical field of analytical instruments, particularly a kind of capillary chromatographic column mounted heating device for gas chromatograph.
Background technology
Chromatographic column is the core of gas chromatograph, and major function is to complete chromatographic sample to separate, and the temperature of the chromatography column of paramount importance index index that is gas chromatograph, its stability, repeatability is to chromatographic resolution, qualitative, quantitatively most important.Chromatographic column will realize being an important sport technique segment to the quick lifting/lowering temperature of its pillar in the course of the work.At present, to the chromatographic column type of heating, traditional mode is for to be positioned over chromatographic column in the post case, and then direct heated beam case, utilize fan to make its heat carry out convection current, thereby reach thermal equilibrium; This type of heating, the long-pending design of post casing is large, and power consumption own is large, can't realize quick lifting/lowering temperature, and is not suitable for the application of portable chromatograph; Comparatively modern is designed with: design heating skeleton in the post casing, kapillary is wrapped on skeleton, then by the heating arrangement on the skeleton wall, kapillary is heated, this type of heating heating is inhomogeneous, efficient is lower, can't satisfy the demand for development that modern analytical technique separates detection fast.
Summary of the invention
The purpose of this invention is to provide a kind of high efficiency low energy consumption capillary chromatographic column mounted heating device that can be portable.
technical scheme of the present invention is, a kind of capillary chromatographic column mounted heating device, comprise flexibility and add thermal insulating sleeve, capillary chromatographic column and chromatographic column calandria three parts, described capillary chromatographic column is nested in the chromatographic column calandria, the chromatographic column calandria is nested in flexibility and adds in thermal insulating sleeve, described capillary chromatographic column is fixed, be connected between six-way valve and detecting device by screw extruded anisotropic graphite cutting ferrule, the chromatographic column calandria directly inserts in the jointing of two ends by easy structure, and by insulation in the post case, heat-resisting support is fixed, described jointing is designed with the heating electrode terminal, it is directly heated chromatographic column, described heating electrode terminal by the connector fixed leg be connected pad and be fixed in the post case, be provided with accurate thermal resistance in the post case.
Described chromatographic column is capillary column, adopts quartzy material.
Described capillary chromatographic column mounted heating device refers to that capillary chromatographic column is nested in the chromatographic column calandria, and the chromatographic column calandria is nested in flexible electrical and adds in thermal insulating sleeve.
Described chromatographic column calandria adopts stainless steel or copper material.
Described insulation, heat-resisting support adopt the mica material.
Described chromatographic column calandria is cylindrical, and the internal physical size diameter is that φ 0.4mm-φ 1.6mm, wall thickness are that 0.1mm-1mm, overall length are 1m-65m.
Heat on described capillary chromatographic column post, refer to directly capillary chromatographic column be heated by the chromatographic column calandria.
Described flexibility adds thermal insulating sleeve and adopts glass fiber material as insulator.
It is cylindrical that described flexibility adds thermal insulating sleeve, and the internal physical size diameter is that φ 0.6mm-φ 3mm, wall thickness are that 0.1mm-0.5mm, overall length are 1m-65m.
Each parts of described capillary chromatographic column mounted heating device adopt stainless steel, teflon, brass, pottery, quartz, graphite, mica, glass fiber material.
Described thermode terminal pushes compression by connecting pad mutually with jointing, and draws the heating electrode line.
Be provided with fan in described post case, be used for fast cooling.
Be provided with accurate thermal resistance in described post case, adopt the platinum resistor temperature measuring element, be used for the temperature real-time measurement to chromatographic column.
The invention has the beneficial effects as follows, broken the deficiency of heating technique on existing chromatographic column post, a kind of microminiaturization is provided, modularization, quick lifting/lowering temperature, low-power consumption, low cost, high efficiency on-column heating device of chromatographic column, make the chromatographic column thermally equivalent, guarantee the compartment analysis usefulness that it is good, to the futures analysis instrument, particularly heating system design on modern micro-analysis instrumentation column, have very far-reaching reference reference significance.
Description of drawings
Fig. 1 is a kind of capillary chromatographic column mounted heating device structural representation of the present invention, wherein:
1-one six-way valve;
2-one support;
3-one capillary chromatographic column;
4-one chromatographic column calandria;
5-one flexibility adds thermal insulating sleeve;
6-one cooling fan;
7-one post case;
8-one accurate thermal resistance;
9-one connects pad;
10---the connector fixed leg;
11---detecting device;
12---jointing;
13---screw;
14---graphite ferrule;
15---the heating electrode terminal.
Embodiment
as shown in Figure 1, the invention provides a kind of capillary chromatographic column mounted heating device, capillary chromatographic column 3 is nested in chromatographic column calandria 4, described chromatographic column calandria 4 adopts stainless steel, profile is cylindrical, the internal physical size diameter is φ 0.8mm, wall thickness is 0.2mm, overall length is 15m, chromatographic column calandria 4 is nested in flexibility and adds in thermal insulating sleeve 5, described flexibility adds thermal insulating sleeve 5 and adopts the glass fibre material, the internal physical size diameter is φ 1.2mm, wall thickness is 0.1mm, overall length is 15m, capillary chromatographic column 3 is fixing to be connected between six-way valve 1 and detecting device 11 by screw 13 extruded anisotropic graphite cutting ferrules 14, chromatographic column calandria 4 directly inserts in jointing 12 by easy structure, and by the interior insulation of post case 7, heat-resisting support 2 is fixing, described insulation, heat-resisting support 2 adopts the mica material, described jointing 12 two ends are designed with heating electrode terminal 15, it is directly heated chromatographic column, described heating electrode terminal 15 is by connector fixed leg 10, jointing 12 be connected pad 9 and be fixed in post case 7, be provided with accurate thermal resistance 8 in described post case 7, can be to the temperature real-time measurement of chromatographic column, and accurately control, the interior fast cooling fan 6 that arranges of post case 7, be used for the chromatographic column fast cooling, thereby improved stratographic analysis efficient.
Each parts of described capillary chromatographic column mounted heating device adopt stainless steel, teflon, brass, pottery, quartz, graphite, glass fiber material.
Claims (1)
1. capillary chromatographic column mounted heating device, it is characterized in that, comprise flexibility and add thermal insulating sleeve, capillary chromatographic column and chromatographic column calandria, described capillary chromatographic column is nested in the chromatographic column calandria, the chromatographic column calandria is nested in flexibility and adds in thermal insulating sleeve, described capillary chromatographic column is connected in by screw extruded anisotropic graphite cutting ferrule between the detecting device of six-way valve and gas chromatograph and fixes, described chromatographic column calandria inserts in jointing, and by insulation in the post case, heat-resisting support is fixed, described jointing is designed with the heating electrode terminal, it is directly heated chromatographic column, described heating electrode terminal by the connector fixed leg be connected pad and be fixed in the post case, be provided with accurate thermal resistance in the post case,
Described chromatographic column is the capillary column of the quartzy material of employing,
Described chromatographic column calandria adopts stainless steel or copper material,
Described insulation, heat-resisting support adopt the mica material,
Described chromatographic column calandria is cylindrical, and the internal physical size diameter is
Wall thickness is that 0.1mm～1mm, overall length are 1m～65m,
Described flexibility adds thermal insulating sleeve and adopts glass fiber material as insulator,
It is cylindrical that described flexibility adds thermal insulating sleeve, and the internal physical size diameter is
Wall thickness is that 0.1mm～0.5mm, overall length are 1m～65m,
Described thermode terminal pushes compression by connecting pad mutually with jointing, and draws the heating electrode line,
Be provided with fan in described post case, be used for fast cooling,
The accurate thermal resistance that arranges in described post case adopts the platinum resistor temperature measuring element, is used for the temperature real-time measurement to chromatographic column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033116 CN102095824B (en) | 2011-01-30 | 2011-01-30 | Heating device on capillary chromatographic column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033116 CN102095824B (en) | 2011-01-30 | 2011-01-30 | Heating device on capillary chromatographic column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102095824A CN102095824A (en) | 2011-06-15 |
| CN102095824B true CN102095824B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110033116 Expired - Fee Related CN102095824B (en) | 2011-01-30 | 2011-01-30 | Heating device on capillary chromatographic column |
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| CN (1) | CN102095824B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5839128B2 (en) * | 2012-08-07 | 2016-01-06 | 株式会社島津製作所 | Gas chromatograph |
| JP5949934B2 (en) * | 2012-10-25 | 2016-07-13 | 株式会社島津製作所 | Gas chromatograph |
| CN104122351A (en) * | 2013-04-24 | 2014-10-29 | 中国科学院大连化学物理研究所 | Uniform-temperature chromatographic column heating apparatus |
| CN104181262B (en) * | 2013-05-23 | 2016-03-02 | 中国科学院大连化学物理研究所 | The small boiler case of a kind of cold area free low-power consumption |
| CN103630629B (en) * | 2013-12-13 | 2015-06-17 | 河南师范大学 | Gas chromatograph |
| CN109239245A (en) * | 2017-07-10 | 2019-01-18 | 中国科学院上海药物研究所 | A kind of chromatography column holder |
| CN110596289B (en) * | 2019-10-17 | 2024-03-22 | 钢研纳克检测技术股份有限公司 | Chromatographic column device capable of rapidly increasing and decreasing temperature |
| CN112834633A (en) * | 2020-12-28 | 2021-05-25 | 北京杰宇广谱科技有限公司 | Fast hydrocarbon composition analyzer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6093921A (en) * | 1999-03-04 | 2000-07-25 | Mt Systems, Llc | Microwave heating apparatus for gas chromatographic columns |
| CN2525514Y (en) * | 2002-01-09 | 2002-12-11 | 复旦大学 | Heater on compact gas chromatographic column |
| CN101672830A (en) * | 2009-04-08 | 2010-03-17 | 北京市劳动保护科学研究所 | On-column heating device of chromatographic column |
| CN201955332U (en) * | 2011-01-30 | 2011-08-31 | 上海精密科学仪器有限公司 | Capillary chromatographic column mounted heating device |
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2011
- 2011-01-30 CN CN 201110033116 patent/CN102095824B/en not_active Expired - Fee Related
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| CN102095824A (en) | 2011-06-15 |
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Owner name: SHANGHAI INESA ANALYTICAL INSTRUMENT CO., LTD. Free format text: FORMER OWNER: SHANGHAI CO., LTD OF FINE SCIENTIFIC INSTRUMENTS Effective date: 20120423 |
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Effective date of registration: 20120423 Address after: 310104 -01 room, 18 West floor, 481 Guiping Road, Xuhui District, Shanghai Applicant after: SHANGHAI INESA ANALYTICAL INSTRUMENT Co.,Ltd. Address before: 200233 No. 7, Cangwu Road, Shanghai, Xuhui District Applicant before: Shanghai Precision Scientific Instrument Co.,Ltd. |
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