CN205861633U - A kind of post case of gas chromatograph - Google Patents
A kind of post case of gas chromatograph Download PDFInfo
- Publication number
- CN205861633U CN205861633U CN201620835953.4U CN201620835953U CN205861633U CN 205861633 U CN205861633 U CN 205861633U CN 201620835953 U CN201620835953 U CN 201620835953U CN 205861633 U CN205861633 U CN 205861633U
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- China
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- chromatographic column
- post case
- gas chromatograph
- base plate
- casing
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Abstract
This utility model discloses the post case of a kind of gas chromatograph, including casing, chromatographic column, described casing includes side plate, top cover, base plate, the wire netting of a back-off it is provided with on base plate in described casing, described chromatographic column is set around outside described wire netting, and described wire netting is internally provided with flabellum, and the inwall of described side plate is provided with the first heating wire, it is provided with air inlet on described base plate, described top cover is provided with gas outlet.The post case of described gas chromatograph can realize being rapidly heated or lowering the temperature of chromatographic column, and the temperature control of chromatographic column, and its simple in construction is easy to operate, it is simple to safeguards.
Description
Technical field
This utility model relates to the post case of a kind of gas chromatograph.
Background technology
Gas chromatograph is the instrument that material carries out qualitative and quantitative analysis with gas chromatography, is used for mixed gas
Middle each component is analyzed detection, and gas chromatograph is the separation of a kind of many mixture, analytical tool, and it is with gas
For flowing phase, use the Column chromatography techniques of irrigation.When the analysis material of many components enters into chromatographic column, owing to each component exists
Gas phase in chromatographic column is different with the partition coefficient between fixative liquid phase, therefore each component chromatographic column the speed of service the most not
With, after certain column length, order is left chromatographic column and is entered detector, is converted to the signal of telecommunication the most afterwards and delivers to data process
Work station, thus complete the qualitative and quantitative analysis to measured matter.
The essential structure of gas chromatograph has two parts, i.e. analytic unit and display unit, includes post in analytic unit
Case, existing post case partial volume is bigger, for insulation, is filled with substantial amounts of insulation between inner bag and the outer gallbladder of post case
Cotton, in work process, realizes the air in casing by the switch of control back pullout (BPO) and the circulation of the air outside casing realizes fall
Temperature, but owing to air vent and air inlet are adjacent, above air vent discharge steam some further through following air inlet
Enter post case, cause effective cold air fewer, extend temperature fall time, inefficiency, significantly consume staff
Analyze the time of sample, seriously reduce work efficiency.
Utility model content
In view of this, the application provides the post case of a kind of gas chromatograph, and the post case of described gas chromatograph can realize color
Spectrum being rapidly heated or lower the temperature of post, and the temperature control of chromatographic column, its simple in construction, easy to operate, it is simple to safeguard.
For solving above technical problem, the technical scheme that this utility model provides is the post case of a kind of gas chromatograph, bag
Including casing, chromatographic column, described casing includes side plate, top cover, base plate, and the base plate in described casing is provided with the gold of a back-off
Belonging to net, described chromatographic column is set around outside described wire netting, and described wire netting is internally provided with flabellum, and the inwall of described side plate sets
It is equipped with the first heating wire, described base plate is provided with air inlet, described top cover is provided with gas outlet.
Further, described flabellum connecting and has rotary shaft, described rotary shaft is through described base plate and extends to described case
External body, is connected with the motor outside casing.
Further, described top cover is respectively arranged with chromatographic column import fixed mechanism and column outlet fixed mechanism.
Further, described air inlet connects air inlet pipe, and described air inlet pipe is provided with the first valve, described gas outlet
Connect and have escape pipe, described escape pipe is provided with the second valve.
Further, described wire netting inwall is additionally provided with the second heating wire.
Further, being provided with temperature sensor in described casing, described temperature sensor is positioned at described chromatographic column and institute
State between the first heating wire, arrange near described chromatographic column.
Further, described side plate, described top cover, described base plate are inside and outside double-layer structure, and part is all provided with
It is equipped with heat-preservation cotton.
Compared with prior art, its detailed description is as follows for the application: technical scheme provides a kind of gas chromatogram
The post case of instrument, described post case includes side plate, top cover, base plate, forms a box like structure, is provided with the gold of back-off in described post case
Belonging to net, wire netting is internally provided with flabellum, and wire netting is outside around being provided with chromatographic column, and is provided with the first heating wire on side plate, this
Outward, base plate is provided with air inlet, top cover is provided with gas outlet.When described chromatographic column needs to heat up, first
Heating wire is opened, and heats chromatographic column, simultaneously closes off air inlet and gas outlet, opens flabellum, makes high-temperature gas at post case
Interior circulation, quickly heats up to chromatographic column；Furthermore, it is possible to open air inlet and gas outlet, open flabellum, at post case Nei Tonggao
Wet body, can realize being rapidly heated chromatographic column equally；When described chromatographic column needs to lower the temperature, close the first electric heating
Silk, opens air inlet and gas outlet, opens flabellum, is passed through cooling gas, makes cooling gas at post case inner recirculation flow in post case
Dynamic, reach the purpose of fast cooling.Additionally, in order to heat up faster, be additionally provided with the second heating wire in wire netting, with
Time be provided with temperature sensor at the chromatographic column, it is achieved the temperature control to chromatographic column；Additionally, for realizing preferably being incubated effect
Really, it is provided with heat preserving cotton structure at the side plate of post case, top cover, base plate.
Having the beneficial effects that of technical scheme: the post case of described gas chromatograph can realize the quick liter of chromatographic column
Temperature or cooling, and the temperature control of chromatographic column, its simple in construction, easy to operate, it is simple to safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the post case of herein described gas chromatograph.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with being embodied as
The utility model is described in further detail for example, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of this utility model protection.
The post case of a kind of gas chromatograph as shown in Figure 1, including casing, chromatographic column 5, described casing includes side plate 1, top
Lid 2, base plate 3, the base plate 3 in described casing is provided with the wire netting 4 of a back-off, and described chromatographic column 5 is set around described gold
Belonging to net 4 outside, described wire netting 4 is internally provided with flabellum 6, and described flabellum 6 connects has rotary shaft 7, described rotary shaft 7 to pass
Described base plate 3 also extends to outside described casing, is connected with the motor 8 outside casing, and the inwall of described side plate 1 is provided with first
Heating wire 9, described wire netting 4 inwall is provided with the second heating wire 10, and described base plate 3 is provided with air inlet 11, described top cover 2
On be provided with gas outlet 12, described air inlet 11 connects air inlet pipe 13, and described air inlet pipe 13 is provided with the first valve 14, institute
State gas outlet 12 connection and have escape pipe 15, described escape pipe 15 is provided with the second valve 16, described top cover 2 is respectively arranged with
Chromatographic column import fixed mechanism 17 and column outlet fixed mechanism 18.
Additionally, be provided with temperature sensor 19 in described casing, described temperature sensor 10 is positioned at described chromatographic column 5 and institute
Stating between the first heating wire 9, arrange near described chromatographic column 5, described side plate 1, described top cover 2, described base plate 3 are inside and outside two
Rotating fields, part is provided with heat-preservation cotton 20.
When chromatographic column 5 need heat up time, the first heating wire 9 is opened, and heats chromatographic column 5, simultaneously close off into
QI KOU 11 and gas outlet 12, open flabellum 6, make high-temperature gas circulate in post case, quickly heat up chromatographic column 5；Also may be used
To open air inlet 11 and gas outlet 12, opening flabellum 6, logical high-temperature gas in post case, can realize chromatographic column 5 equally is fast
Speed heats up；When described chromatographic column 5 needs to lower the temperature, close the first heating wire 9, open air inlet 11 and gas outlet 12, open
Open flabellum 6, in post case, be passed through cooling gas, make cooling gas at post case internal circulation flow, reach the purpose of fast cooling.
Below it is only preferred implementation of the present utility model, it is noted that above-mentioned preferred implementation should not regard
For to restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For
For those skilled in the art, without departing from spirit and scope of the present utility model, it is also possible to make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a post case for gas chromatograph, including casing, chromatographic column, it is characterised in that: described casing include side plate, top cover,
Base plate, the base plate in described casing is provided with the wire netting of a back-off, and described chromatographic column is set around outside described wire netting,
Described wire netting is internally provided with flabellum, and the inwall of described side plate is provided with the first heating wire, and described base plate is provided with air inlet
Mouthful, described top cover is provided with gas outlet.
The post case of a kind of gas chromatograph the most according to claim 1, it is characterised in that: connect on described flabellum and have rotation
Axle, described rotary shaft is through described base plate and extends to, outside described casing, be connected with the motor outside casing.
The post case of a kind of gas chromatograph the most according to claim 1, it is characterised in that: it is respectively arranged with on described top cover
Chromatographic column import fixed mechanism and column outlet fixed mechanism.
The post case of a kind of gas chromatograph the most according to claim 1, it is characterised in that: described air inlet connects air inlet
Pipe, described air inlet pipe is provided with the first valve, and described gas outlet connects escape pipe, and described escape pipe is provided with the second valve
Door.
The post case of a kind of gas chromatograph the most according to claim 1, it is characterised in that: described wire netting inwall also sets up
There is the second heating wire.
The post case of a kind of gas chromatograph the most according to claim 1, it is characterised in that: described casing is provided with temperature
Sensor, described temperature sensor, between described chromatographic column and described first heating wire, is arranged near described chromatographic column.
The post case of a kind of gas chromatograph the most according to claim 1, it is characterised in that: described side plate, described top cover, institute
Stating base plate and be inside and outside double-layer structure, part is provided with heat-preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835953.4U CN205861633U (en) | 2016-08-02 | 2016-08-02 | A kind of post case of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835953.4U CN205861633U (en) | 2016-08-02 | 2016-08-02 | A kind of post case of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861633U true CN205861633U (en) | 2017-01-04 |
Family
ID=57656761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620835953.4U Active CN205861633U (en) | 2016-08-02 | 2016-08-02 | A kind of post case of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861633U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645943A (en) * | 2018-05-31 | 2018-10-12 | 台州市台环环境检测科技有限公司 | The gas chromatograph post case quickly heated |
| CN109001322A (en) * | 2018-08-01 | 2018-12-14 | 北京普析通用仪器有限责任公司 | A kind of gas chromatograph column oven of fast cooling |
| CN109709247A (en) * | 2019-02-27 | 2019-05-03 | 辽东学院 | A kind of gas chromatograph post case quickly heated |
| CN112213433A (en) * | 2020-08-04 | 2021-01-12 | 浙江中环瑞蓝科技发展有限公司 | Low-temperature gas chromatography column box |
-
2016
- 2016-08-02 CN CN201620835953.4U patent/CN205861633U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645943A (en) * | 2018-05-31 | 2018-10-12 | 台州市台环环境检测科技有限公司 | The gas chromatograph post case quickly heated |
| CN108645943B (en) * | 2018-05-31 | 2020-05-05 | 台州市台环环境检测科技有限公司 | Fast heating gas chromatograph column box |
| CN109001322A (en) * | 2018-08-01 | 2018-12-14 | 北京普析通用仪器有限责任公司 | A kind of gas chromatograph column oven of fast cooling |
| CN109709247A (en) * | 2019-02-27 | 2019-05-03 | 辽东学院 | A kind of gas chromatograph post case quickly heated |
| CN112213433A (en) * | 2020-08-04 | 2021-01-12 | 浙江中环瑞蓝科技发展有限公司 | Low-temperature gas chromatography column box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |