CN204330700U - Inner eycle heat air chromatography - Google Patents
Inner eycle heat air chromatography Download PDFInfo
- Publication number
- CN204330700U CN204330700U CN201520022890.6U CN201520022890U CN204330700U CN 204330700 U CN204330700 U CN 204330700U CN 201520022890 U CN201520022890 U CN 201520022890U CN 204330700 U CN204330700 U CN 204330700U
- Authority
- CN
- China
- Prior art keywords
- casing
- chromatographic column
- wind
- injector
- feeding pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Inner eycle heat air chromatography, comprise casing, the chromatographic column of toroidal helical distribution is set in casing, chromatographic column is wrapped on chromatographic column support, chromatographic column support is fixedly mounted on box house top, bottom half mounted motor, the output shaft of motor installs wind-guiding fan, wind-guiding fan is positioned at the middle part of casing in casing, wind-guiding is fanned air-flow by lower to upper part drainage, the rotating shaft periphery of wind-guiding fan evenly arranges several heating rod, heating rod is arranged on the bottom of casing, casing top arranges the diversion seat of taper, the pointed end of diversion seat, the interior angle dropping place of casing is set to fillet, injector and detecting device are installed in casing top, injector and detecting device are connected the two ends of chromatographic column respectively, injector connects carrier gas device.The utility model makes temperature equalization in casing, and chromatographic column is heated evenly, and test result is accurate.
Description
Technical field
The utility model belongs to analyzes checkout equipment field, specifically a kind of Inner eycle heat air chromatography.
Background technology
Gas chromatograph carries out analyzing the instrument detected to each component in mixed gas, and in oil, chemical industry, biological chemistry, medical and health, food industry, environmental protection etc., application is very wide.Can current chromatographic column thermally equivalent be the key factor affecting testing result in post case, and uniform temperature fields degree in current gas chromatograph post case is still to be improved.
Utility model content
The utility model provides a kind of Inner eycle heat air chromatography, in order to solve defect of the prior art.
The utility model is achieved by the following technical programs:
Inner eycle heat air chromatography, comprise casing, the chromatographic column of toroidal helical distribution is set in casing, chromatographic column is wrapped on chromatographic column support, chromatographic column support is fixedly mounted on box house top, bottom half mounted motor, the output shaft of motor installs wind-guiding fan, wind-guiding fan is positioned at the middle part of casing in casing, wind-guiding is fanned air-flow by lower to upper part drainage, the rotating shaft periphery of wind-guiding fan evenly arranges several heating rod, heating rod is arranged on the bottom of casing, casing top arranges the diversion seat of taper, the pointed end of diversion seat, the interior angle dropping place of casing is set to fillet, injector and detecting device are installed in casing top, injector and detecting device are connected the two ends of chromatographic column respectively, injector connects carrier gas device.
Inner eycle heat air chromatography as above, described injector comprises routing switch, the first sample feeding pipe, flow sensor, the second sample feeding pipe and injection port; Routing switch is connected with the second sample feeding pipe with respectively by the first sample feeding pipe with injection port, and the second sample feeding pipe installs flow sensor.
Inner eycle heat air chromatography as above, described detecting device connects self-recording device.
The utility model has the advantages that: in the utility model casing, adopt wind-guiding fan to impel air to flow, air-flow is gathered by the middle of the circumference of bottom four, heating rod is had to heat up in flow process, air-flow upwards flows again, by conical seat by air-flow water conservancy diversion laterally, gone back to the bottom of casing by fillet water conservancy diversion, make temperature equalization in casing, chromatographic column is heated evenly, and test result is accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model; Fig. 2 is the I partial enlargement structural representation of Fig. 1.
Reference numeral: 1 carrier gas device 2 injector 3 chromatographic column 4 self-recording device 5 detecting device 6 diversion seat 7 chromatographic column support 8 wind-guiding fans 9 heating rod 10 fillet 11 motor 12 injection port 13 first sample feeding pipe 14 flow sensor 15 second sample feeding pipe 16 routing switch 17 casings.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is 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.
Inner eycle heat air chromatography, as shown in Figure 1, comprise casing 17, the chromatographic column 3 of toroidal helical distribution is set in casing 17, chromatographic column 3 is wrapped on chromatographic column support 7, chromatographic column support 7 is fixedly mounted on casing 17 inner upper, mounted motor 11 bottom casing 17, the output shaft of motor 11 installs wind-guiding fan 8, wind-guiding fan 8 is positioned at the middle part of casing 17 in casing 17, wind-guiding fans 8 by air-flow by lower to upper part drainage, the rotating shaft periphery of wind-guiding fan 8 evenly arranges several heating rod 9, heating rod 9 is arranged on the bottom of casing 17, casing 17 top arranges the diversion seat 6 of taper, the pointed end of diversion seat 6, the interior angle dropping place of casing 17 is set to fillet 10, injector 2 and detecting device 5 are installed in casing 17 top, injector 2 is connected the two ends of chromatographic column 3 respectively with detecting device 5, injector 2 connects carrier gas device 1.Wind-guiding fan 8 is adopted to impel air to flow in the utility model casing 17, air-flow is gathered by the middle of the circumference of bottom four, heating rod 9 is had to heat up in flow process, air-flow upwards flows again, by conical seat by air-flow water conservancy diversion laterally, gone back to the bottom of casing 17 by fillet 10 water conservancy diversion, make temperature equalization in casing, chromatographic column is heated evenly, and test result is accurate.
Specifically, as shown in Figure 2, the injector 2 described in the present embodiment comprises routing switch 16, first sample feeding pipe 13, flow sensor 14, second sample feeding pipe 15 and injection port 12; Routing switch 16 is connected with the second sample feeding pipe 15 with respectively by the first sample feeding pipe 13 with injection port 12, and the second sample feeding pipe 15 installs flow sensor 14.When chromatograph baseline stability, noise jamming hour, can the second sample feeding pipe 15: in the second sample feeding pipe 15, chromatograph gas circuit is converted to electric signal by flow rate of carrier gas by flow sensor 14.When sample introduction, a certain amount of sample instants enters the second sample feeding pipe 15, increase the resistance of gas circuit, the flow of carrier gas is diminished instantaneously, after sample enters chromatographic column, carrier gas flux returns to previous status, and whole Variations in Flow Changes is by flow sensor 14 Real-time Collection, and flow diminishes and is sampling start dot instantaneously.And it is fixed when running into chromatograph unstability of base line, when noise jamming is comparatively large or burr appears in baseline, the first sample feeding pipe 13 can be selected: select tape has the path of the first sample feeding pipe 13 of mechanical switch, by mechanical switch, confirm sampling start dot, to guarantee that the repeatability of sampling start dot is with accurate.
Concrete, the detecting device 5 described in the present embodiment connects self-recording device 4, and self-recording device 4 is recorded as chromatogram.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (3)
1. Inner eycle heat air chromatography, it is characterized in that: comprise casing (17), the chromatographic column (3) of toroidal helical distribution is set in casing (17), chromatographic column (3) is wrapped on chromatographic column support (7), chromatographic column support (7) is fixedly mounted on casing (17) inner upper, casing (17) bottom mounted motor (11), the output shaft of motor (11) installs wind-guiding fan (8), wind-guiding fan (8) is positioned at the middle part of casing (17) in casing (17), wind-guiding fans (8) by air-flow by lower to upper part drainage, the rotating shaft periphery of wind-guiding fan (8) evenly arranges several heating rod (9), heating rod (9) is arranged on the bottom of casing (17), casing (17) top arranges the diversion seat (6) of taper, the pointed end of diversion seat (6), the interior angle dropping place of casing (17) is set to fillet (10), injector (2) and detecting device (5) are installed in casing (17) top, injector (2) is connected the two ends of chromatographic column (3) respectively with detecting device (5), injector (2) connects carrier gas device (1).
2. Inner eycle heat air chromatography according to claim 1, is characterized in that: described injector (2) comprises routing switch (16), the first sample feeding pipe (13), flow sensor (14), the second sample feeding pipe (15) and injection port (12); Routing switch (16) is connected with the second sample feeding pipe (15) with respectively by the first sample feeding pipe (13) with injection port (12), the second sample feeding pipe (15) is installed flow sensor (14).
3. Inner eycle heat air chromatography according to claim 1, is characterized in that: described detecting device (5) connects self-recording device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022890.6U CN204330700U (en) | 2015-01-12 | 2015-01-12 | Inner eycle heat air chromatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022890.6U CN204330700U (en) | 2015-01-12 | 2015-01-12 | Inner eycle heat air chromatography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204330700U true CN204330700U (en) | 2015-05-13 |
Family
ID=53167049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520022890.6U Expired - Fee Related CN204330700U (en) | 2015-01-12 | 2015-01-12 | Inner eycle heat air chromatography |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204330700U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908556A (en) * | 2015-10-07 | 2017-06-30 | 安捷伦科技有限公司 | Component is heated in taper for gas chromatographic column |
| CN109459525A (en) * | 2018-12-27 | 2019-03-12 | 山东宏业纺织股份有限公司 | A kind of device and test method improving flame-retardant yarn flame retardant property testing precision |
| CN109470818A (en) * | 2017-09-08 | 2019-03-15 | 赛默飞世尔（上海）仪器有限公司 | Volatile organic substance analysis cabinet |
| CN110596289A (en) * | 2019-10-17 | 2019-12-20 | 钢研纳克检测技术股份有限公司 | Chromatographic column device capable of rapidly increasing and decreasing temperature |
| CN110940741A (en) * | 2018-09-21 | 2020-03-31 | 罗斯蒙特公司 | Heating assembly and process gas chromatograph |
-
2015
- 2015-01-12 CN CN201520022890.6U patent/CN204330700U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908556A (en) * | 2015-10-07 | 2017-06-30 | 安捷伦科技有限公司 | Component is heated in taper for gas chromatographic column |
| US10764964B2 (en) | 2015-10-07 | 2020-09-01 | Agilent Technologies, Inc. | Conical heater assembly for a gas chromatography column |
| CN106908556B (en) * | 2015-10-07 | 2021-08-27 | 安捷伦科技有限公司 | Conical heating assembly for gas chromatography column |
| CN109470818A (en) * | 2017-09-08 | 2019-03-15 | 赛默飞世尔（上海）仪器有限公司 | Volatile organic substance analysis cabinet |
| CN110940741A (en) * | 2018-09-21 | 2020-03-31 | 罗斯蒙特公司 | Heating assembly and process gas chromatograph |
| CN109459525A (en) * | 2018-12-27 | 2019-03-12 | 山东宏业纺织股份有限公司 | A kind of device and test method improving flame-retardant yarn flame retardant property testing precision |
| CN109459525B (en) * | 2018-12-27 | 2024-01-19 | 山东宏业纺织股份有限公司 | Device for improving flame retardant property test accuracy of flame retardant yarns |
| CN110596289A (en) * | 2019-10-17 | 2019-12-20 | 钢研纳克检测技术股份有限公司 | Chromatographic column device capable of rapidly increasing and decreasing temperature |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204330700U (en) | Inner eycle heat air chromatography | |
| CN202033333U (en) | Gas-phase adsorption-desorption device having function of automatically analyzing injected samples | |
| CN102650623A (en) | Device for detection of low-concentration Freon in seawater and production method thereof | |
| CN106770810A (en) | Online portable gas chromatograph and environment monitoring device | |
| CN202676680U (en) | Device capable of detecting low-concentration freon in seawater | |
| CN210720283U (en) | Integrated gas chromatograph for measuring volatile organic compounds in water | |
| CN201637732U (en) | Gas chromatograph for determining benzene and non-methane hydrocarbons in food-grade carbon dioxide | |
| CN102590419B (en) | Device used for analyzing mixed gas in expansion tank of power transformer and based on gas chromatographic technology | |
| CN103616468A (en) | SF6 gas chromatography detection system and SF6 gas chromatography detection method | |
| CN203965453U (en) | A kind of oil dissolved gas on-Line Monitor Device | |
| CN206311561U (en) | A kind of monitoring system | |
| CN204008578U (en) | A kind of temperature protection system of gas chromatographic column case | |
| CN202471666U (en) | Mixed gas analytical equipment in power transformer oil breather based on gas chromatographic technology | |
| CN113125603A (en) | Performance detection system of transformer oil chromatographic on-line monitoring device | |
| CN105353048A (en) | Device and method for determination of non-methane total hydrocarbon by gas chromatographic analysis | |
| CN205749410U (en) | A kind of gas chromatograph | |
| CN104237427B (en) | A kind of liquid chromatogram mobile phase prior-warning device | |
| CN204330703U (en) | On-Line Monitor Device of Gas in Oil of Transformer | |
| CN109932278B (en) | System and method for measuring gas-phase residence time distribution of fixed bed reactor | |
| CN204789490U (en) | Multicolumn incubator gas chromatography device | |
| CN202794126U (en) | Conductance cell with solution temperature pretreatment function | |
| CN203587565U (en) | Sulfur hexafluoride (SF6) gas chromatography detection system | |
| CN204330694U (en) | Cloud storing information shares gas chromatography system | |
| CN103472162A (en) | Method for simultaneously detecting methane and hydrogen in biogas | |
| CN210720282U (en) | Integrated system for measuring volatile organic compounds |
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: 20150513 Termination date: 20160112 |