CN210294186U - Chromatographic column device of gas chromatograph - Google Patents
Chromatographic column device of gas chromatograph Download PDFInfo
- Publication number
- CN210294186U CN210294186U CN201920828384.4U CN201920828384U CN210294186U CN 210294186 U CN210294186 U CN 210294186U CN 201920828384 U CN201920828384 U CN 201920828384U CN 210294186 U CN210294186 U CN 210294186U
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- Prior art keywords
- capillary column
- mounting bracket
- side wall
- column
- temperature
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- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 239000012159 carrier gas Substances 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 5
- 239000003365 glass fiber Substances 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a chromatographic column device of a gas chromatograph, which belongs to the technical field of gas chromatographic column devices and comprises a mounting frame, the top of the mounting frame is provided with the end cover, the cooling mechanism is arranged on the outer side wall of the mounting frame, the capillary column is arranged in the mounting frame, the inner side wall of the housing is provided with the central controller, the temperature of the capillary column is monitored in real time through the temperature sensor, the central controller can adjust the heating speed and the temperature of the heating wires at any time, so that the temperature rise of the capillary column is linear temperature rise, and in order to avoid that the temperature rise of the capillary column is influenced or the capillary column is damaged due to overhigh temperature of the heating wire, the outer side wall of the heating wire is provided with a glass fiber layer, the capillary column can play a role in high temperature resistance and insulation, can also insulate heat properly, slows down the heat transfer trend and is convenient for controlling the temperature rise of the capillary column.
Description
Technical Field
The utility model relates to a gas chromatography analytical equipment technical field specifically is a gas chromatograph's chromatographic column device.
Background
The gas chromatograph is an instrument for analyzing and detecting each component in mixed gas, and mainly utilizes the physical property of a substance to separate a mixture, measure each component of the mixture and quantitatively and qualitatively analyze each component in the mixture. The existing chromatographic column cannot control the internal temperature of equipment, so that the equipment is easily damaged, and meanwhile, the existing chromatographic column device is complex in structure, large in size, large in occupied space, not beneficial to transfer, installation and use and low in practicability.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with existing gas chromatography column devices.
Therefore, the utility model aims at providing a gas chromatograph's chromatographic column device can solve current chromatographic column and can not control the inside temperature of equipment, causes the equipment damage easily, and simultaneously, current chromatographic column device structure is complicated, and the volume ratio is bigger, and occupation space is great, is unfavorable for transporting and uses with the installation, problem that the practicality is not strong.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a column apparatus of a gas chromatograph, comprising: mounting bracket, end cover, cooling body, housing, capillary column and well accuse ware, the mounting bracket top sets up the end cover, cooling body locates the mounting bracket lateral wall, cooling body includes link and cooling tube, the link cladding in the mounting bracket lateral wall, the link inside wall sets up the cooling tube, the cooling tube cup joint in the mounting bracket lateral wall, the housing rigid coupling in the mounting bracket tip, the capillary column is located in the mounting bracket, the housing inside wall sets up well accuse ware.
As a preferred embodiment of a chromatographic column device for a gas chromatograph according to the present invention, wherein: the mounting bracket comprises a carrier gas inlet, a glass liner tube and a heating wire, wherein the carrier gas inlet is formed in the outer side wall of the mounting bracket, the glass liner tube is sleeved on the inner side wall of the mounting bracket, and the heating wire is sleeved on the outer side wall of the glass liner tube.
As a preferred embodiment of a chromatographic column device for a gas chromatograph according to the present invention, wherein: the capillary column is sleeved on the inner side wall of the glass liner tube, and the end part of the capillary column is connected to the inner cavity side wall of the housing through a reducing joint.
As a preferred embodiment of a chromatographic column device for a gas chromatograph according to the present invention, wherein: the side wall of the inner cavity of the housing is provided with a temperature sensor, and the temperature sensor is electrically connected with the central controller.
As a preferred embodiment of a chromatographic column device for a gas chromatograph according to the present invention, wherein: the end cover is communicated with the mounting rack to form a closed cavity, and a fan is arranged on the inner side wall of the end cover.
Compared with the prior art: the temperature of the capillary column is monitored in real time through the temperature sensor, the temperature rising speed and the temperature of the heating wire can be adjusted at any time through the central controller, so that the temperature rising of the capillary column is linear, the outer side wall of the heating wire is provided with the glass fiber layer to avoid the phenomenon that the temperature rising trend of the capillary column is influenced or the capillary column is damaged due to overhigh temperature of the heating wire, the effects of high temperature resistance and insulation can be achieved, heat can be properly insulated, the heat transfer trend is slowed down, and the control of the temperature rising of the capillary column is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of a part of the structure of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a gas chromatograph's chromatographic column device monitors the temperature of capillary column in real time through temperature sensor, and well accuse ware can adjust the programming rate and the temperature height of heater strip at any time to make the intensification of capillary column be the orthoscopic intensification, please refer to fig. 1, include mounting bracket 100, end cover 200, cooling body 300, housing 400, capillary column 500 and accuse ware 600.
Referring to fig. 1 and 2, the mounting block 100 has a carrier gas inlet 110, a glass liner tube 120 and a heating wire 130, specifically, the mounting block 100 is a cylindrical connection block made of a metal alloy, the mounting block 100 is used for connecting the end cap 200 and the casing 400, the left sidewall of the mounting block 100 is provided with the carrier gas inlet 110, the carrier gas inlet 110 is used as a carrier gas inlet, the glass liner tube 120 is sleeved on the inner sidewall of the mounting block 100, the glass liner tube 120 is a cylindrical liner tube, the glass liner tube 120 is used for connecting the capillary column 500, the outer sidewall of the glass liner tube 120 is sleeved with the heating wire 130, the heating wire 130 includes the heating wire 130 for, in order to improve the heat preservation effect, the outer side wall of the heating wire 130 is wrapped with a glass fiber heat preservation layer, the heat insulation effect is achieved, meanwhile, heat insulation can be properly achieved, the specific heat capacity in the heating system is reduced, the high temperature resistance and the insulation effect are achieved, and the heat transfer trend is slowed down;
referring to fig. 1 and 2, the end cap 200 has a fan 210, the end cap 200 is disposed at the top of the outer sidewall of the mounting block 100, specifically, the end cap 200 is screwed to the top of the outer sidewall of the mounting block 100 through fastening screws and sealing rings, the end cap 200 and the mounting block 100 form a sealed cavity, which can reduce heat loss, four first thread grooves (not shown) are uniformly formed on a connection disc of the fan 210, four second thread grooves (not shown) having the same inner diameter as the first thread grooves are formed at positions corresponding to the four first thread grooves at the top of the inner sidewall of the end cap 200, the fan 210 is fixed to the inner sidewall of the end cap 200 through the four first thread grooves, the four second thread grooves and fastening bolts, and the fan 210 is used for cooperating with the heating wires 130 to generate wind power during operation, and heat conduction is;
with reference to fig. 1 and fig. 2, the cooling mechanism 300 has a connecting frame 310, a cooling pipe 320, a cooling liquid inlet 321 and a cooling liquid outlet 322, the cooling mechanism 300 is disposed on an outer side wall of the mounting frame 100, specifically, the connecting frame 310 is connected to the outer side wall of the mounting frame 100 through a fastening screw, the connecting frame 310 is used for disposing the cooling pipe 320, a cooling liquid inlet 321 and a cooling liquid outlet 322 are respectively disposed on a left side wall and a right side wall of the connecting frame 310, the cooling pipe 320 is sleeved on the outer side wall of the mounting frame 100, one end of the cooling pipe 320 is communicated with the cooling liquid inlet 321, the cooling liquid inlet 321 is used as a supply port of cooling liquid, the other end of the cooling pipe 320 is communicated with the cooling liquid outlet 322, the cooling liquid outlet 322 is used as a discharge port of cooling liquid, and the cooling pipe 320;
referring to fig. 1 and 2, the housing 400 has a temperature sensor 410, the housing 400 is disposed at the bottom of the mounting frame 100, specifically, the housing 400 is a mounting case made of polystyrene material, the housing 400 is used to dispose the temperature sensor 410, four third screw grooves (not shown) are uniformly formed on a mounting plate of the temperature sensor 410, four fourth screw grooves (not shown) having the same inner diameter as the third screw grooves are formed on an inner side wall of the housing 400 corresponding to the four third screw grooves, the temperature sensor 410 is screwed to the inner side wall of the housing 400 through the four third screw grooves, the four fourth screw grooves and fastening bolts, the temperature sensor 410 is an NHC-UI non-contact temperature sensor, and the temperature sensor 410 is used to sense the temperature of the capillary column 500 and convert the temperature into a usable output signal to transmit the usable output signal to the central controller 600;
referring to fig. 1 and fig. 2, the capillary column 500 is disposed on the mounting block 100, specifically, the capillary column 500 is made of fused silica, the capillary column 500 is sleeved on the inner sidewall of the glass liner 120, and the bottom of the capillary column 500 penetrates through the capillary column 500 to have chemical inertness, good thermal stability and mechanical strength, and elasticity, and the capillary column 500 is used as an important component of the chromatographic column;
referring to fig. 1 and 2, the central controller 600 is disposed at the bottom of the inner sidewall of the housing 400, specifically, four first mounting holes (not labeled in the drawings) are uniformly formed in a mounting plate of the central controller 600, four second mounting holes (not labeled in the drawings) which are located at positions corresponding to the four first mounting holes and are internally lower than the first mounting holes are formed at the bottom of the inner sidewall of the housing 400, the central controller 600 is fixed at the bottom of the inner sidewall of the housing 400 through the four first mounting holes, the four second mounting holes and fastening bolts, the central controller 600 is a HYCZ-C-B24 central processing unit, and the central controller 600 is configured to control the start and the close of each output element through signals transmitted by the temperature sensor 410.
The working principle is as follows: the utility model discloses an in the use, monitor the temperature of capillary column 500 in real time through temperature sensor 410, well accuse ware 600 can adjust the programming rate and the temperature height of heater strip 130 at any time, thereby make the intensification of capillary column 500 be the orthoscopic intensification, and in order to avoid the high temperature of heater strip 130 and influence the intensification trend of capillary column 500 or damage capillary column 500, heater strip 130 lateral wall is equipped with the glass fiber layer, can play high temperature resistant and insulating effect, can also be suitable thermal-insulated, slow down the heat transfer trend, the control that the capillary column 500 of being convenient for heaies up, and simultaneously, the equipment simple structure, occupation space is less, do benefit to the device miniaturation, therefore, the clothes hanger is strong in practicability.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A column apparatus for a gas chromatograph, comprising: mounting bracket (100), end cover (200), cooling body (300), cover (400), capillary column (500) and well accuse ware (600), mounting bracket (100) top sets up end cover (200), cooling body (300) are located mounting bracket (100) lateral wall, cooling body (300) are including link (310) and cooling tube (320), link (310) cladding in mounting bracket (100) lateral wall, link (310) inside wall sets up cooling tube (320), cooling tube (320) cup joint in mounting bracket (100) lateral wall, cover (400) rigid coupling in mounting bracket (100) tip, capillary column (500) are located in mounting bracket (100), cover (400) inside wall sets up well accuse ware (600).
2. The column apparatus of claim 1, wherein the mounting bracket (100) comprises a carrier gas inlet (110), a glass liner (120) and a heating wire (130), the carrier gas inlet (110) is formed on an outer side wall of the mounting bracket (100), the glass liner (120) is sleeved on an inner side wall of the mounting bracket (100), and the heating wire (130) is sleeved on an outer side wall of the glass liner (120).
3. The column apparatus of claim 2, wherein the capillary column (500) is sleeved on the inner sidewall of the glass liner (120), and the end of the capillary column (500) is connected to the inner cavity sidewall of the casing (400) through a reducer union.
4. The column apparatus of claim 1, wherein a temperature sensor (410) is disposed on a sidewall of an inner cavity of the housing (400), and the temperature sensor (410) is electrically connected to the central controller (600).
5. A column assembly for a gas chromatograph according to claim 1, wherein said end cap (200) is in communication with said mounting frame (100) and forms a closed chamber, and wherein said end cap (200) is provided with a fan (210) on the inner side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828384.4U CN210294186U (en) | 2019-06-04 | 2019-06-04 | Chromatographic column device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828384.4U CN210294186U (en) | 2019-06-04 | 2019-06-04 | Chromatographic column device of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210294186U true CN210294186U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920828384.4U Expired - Fee Related CN210294186U (en) | 2019-06-04 | 2019-06-04 | Chromatographic column device of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210294186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702231A (en) * | 2021-08-11 | 2021-11-26 | 国能锅炉压力容器检验有限公司 | Method for reducing thermal fatigue damage of thick-wall metal part |
-
2019
- 2019-06-04 CN CN201920828384.4U patent/CN210294186U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702231A (en) * | 2021-08-11 | 2021-11-26 | 国能锅炉压力容器检验有限公司 | Method for reducing thermal fatigue damage of thick-wall metal part |
| CN113702231B (en) * | 2021-08-11 | 2024-08-30 | 国能锅炉压力容器检验有限公司 | Method for reducing thermal fatigue damage of thick-wall metal part |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |