CN115112813A - Nozzle for chromatograph - Google Patents
Nozzle for chromatograph Download PDFInfo
- Publication number
- CN115112813A CN115112813A CN202210872588.4A CN202210872588A CN115112813A CN 115112813 A CN115112813 A CN 115112813A CN 202210872588 A CN202210872588 A CN 202210872588A CN 115112813 A CN115112813 A CN 115112813A
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- nozzle
- wall
- chromatograph
- quartz tube
- 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.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 88
- 239000010453 quartz Substances 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000002775 capsule Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/68—Flame ionisation detectors
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a nozzle for a chromatograph, which comprises a nozzle mounting seat, a quartz tube with one end detachably connected with the nozzle mounting seat and a metal cap arranged at the other end of the quartz tube, wherein a heat dissipation plate is arranged on the surface of the nozzle mounting seat, a heat dissipation wall matched with the quartz tube extends from the periphery of one end of the metal cap close to the quartz tube, the heat dissipation wall is sleeved on the part of the quartz tube exposed out of the nozzle mounting seat and is abutted against the heat dissipation plate, and the heat dissipation wall is provided with a plurality of heat dissipation chutes which are uniformly distributed, so that the heat dissipation wall forms a plurality of heat dissipation fin structures which are uniformly distributed. According to the invention, the heat dissipation is carried out for the first time through the larger surface area of the heat dissipation wall, then, the heat dissipation surface area on the heat dissipation wall is increased by the plurality of heat dissipation chutes and the plurality of heat dissipation fin structures so as to carry out the second heat dissipation, finally, the residual heat on the heat dissipation wall is transferred to the heat dissipation plate, and the heat dissipation plate with a certain surface area and high-efficiency heat dissipation performance carries out the third heat dissipation.
Description
Technical Field
The invention belongs to the technical field of chromatographs, and particularly relates to a nozzle for a chromatograph.
Background
When the gas chromatograph is used for analysis by a hydrogen flame detector, a sample is burnt and ionized at a nozzle to form an electric signal, and an information processing part analyzes the component according to the electric signal. The most essential requirement of the nozzle is insulation, and then gas tightness.
The existing nozzles for the gas chromatograph are all straight-through type, have the defects of large volume and inconvenient carrying and installation, can only be suitable for a laboratory general gas chromatograph FID detector, and can not meet the actual use requirement of a gas chromatograph FID detector special for logging.
And present common nozzle adopts the quartz capsule mostly to a metal cap is established to the cover on the quartz capsule, the sample will be in nozzle department burning ionization, consequently can lead to the metal cap on the nozzle to have higher temperature after the detection, and all do not set up a mechanism to the quick cooling of metal cap on present common nozzle, this has just also adopted this metal cap to cool down in the mode that need adopt natural cooling after the detection finishes, the time of cooling is longer and people cause the influence to the external world easily.
Disclosure of Invention
In view of the above, the present invention provides a nozzle for a chromatograph that can solve the above-mentioned problems.
The utility model provides a nozzle for chromatograph, including nozzle mount pad, one end with the nozzle mount pad can dismantle the quartz capsule of connection and locate the metal cap of the quartz capsule other end, nozzle mount pad surface is equipped with the heating panel, the metal cap is close to the periphery of quartz capsule one end extend have with quartz capsule matched with heat dissipation wall, heat dissipation wall cover is located the quartz capsule exposes in the outer part of nozzle mount pad and with the heating panel butt, heat dissipation wall is equipped with a plurality of heat dissipation chutes of evenly distributed, so that the heat dissipation wall forms a plurality of radiating fin structures of evenly distributed.
Furthermore, a ventilation channel and a mounting groove are arranged in the nozzle mounting seat, an internal thread and a sealing ring positioned in the internal thread are arranged in the mounting groove, an external thread matched with the internal thread is arranged at one end, far away from the metal cap, of the quartz tube, and a gas transmission channel communicated with the ventilation channel is arranged in the quartz tube.
Furthermore, each radiating fin structure is provided with a plurality of radiating holes which are uniformly distributed.
Furthermore, a heat conduction layer abutted against the heat dissipation plate is arranged between the heat dissipation wall and the quartz tube.
Further, each heat dissipation fin structure is inclined 30-60 degrees relative to the central axis of the heat dissipation wall.
Compared with the prior art, the nozzle for the chromatograph provided by the invention can perform primary heat dissipation through a larger surface area of the heat dissipation wall, and then the heat dissipation surface area on the heat dissipation wall is increased by the plurality of heat dissipation chutes and the plurality of heat dissipation fin structures to perform secondary heat dissipation, and finally, the residual heat on the heat dissipation wall is transferred to the heat dissipation plate, so that the heat dissipation plate with a certain surface area and high-efficiency heat dissipation performance can perform tertiary heat dissipation, and the temperature of the metal cap during working can be effectively and quickly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a nozzle for chromatograph according to the present invention.
Fig. 2 is a schematic view of a structure of a chromatograph when a nozzle is not fitted.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is an enlarged view at B in fig. 1.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1 to 4, which are schematic structural diagrams of a nozzle for a chromatograph according to the present invention. The utility model provides a nozzle for chromatograph, including nozzle mount pad 10, one end with nozzle mount pad 10 can dismantle the quartz capsule 20 of connection and locate the metal cap 30 of the quartz capsule 20 other end, nozzle mount pad 10 surface is equipped with heating panel 11, metal cap 30 is close to the periphery of quartz capsule 20 one end extend have with quartz capsule 20 matched with heat dissipation wall 31, heat dissipation wall 31 cover is located quartz capsule 20 exposes in the outer part of nozzle mount pad 10 and with 11 butts of heating panel, heat dissipation wall 31 is equipped with a plurality of heat dissipation chutes 32 of evenly distributed, so that heat dissipation wall 31 forms a plurality of heat dissipation fin structures 33 of evenly distributed. When using the chromatograph, metal cap 30 department need carry out combustion ionization, can make metal cap 30 have higher temperature like this, metal cap 30 gives heat dissipation wall 31 heat energy transfer this moment, carry out the first heat dissipation through the great surface area of heat dissipation wall 31, secondly, a plurality of heat dissipation chutes 32 and a plurality of radiating fin structure 33 increase the heat dissipation surface area on the heat dissipation wall 31 in order to carry out the second heat dissipation, finally, remaining heat energy on the heat dissipation wall 31 can be transferred to heating panel 11, heating panel 11 that has a certain surface area and have high-efficient heat dissipation performance carries out the third heat dissipation, the reduction during operation metal cap 30's of effectively swift temperature. The shape, whether or not to bend, or the degree of bending of the quartz tube 20 is set according to actual needs.
The nozzle mounting seat 10 is internally provided with a ventilation channel 12 and a mounting groove 13, the mounting groove 13 is internally provided with an internal thread 131 and a sealing ring 132 positioned in the internal thread 131, one end of the quartz tube 20, which is far away from the metal cap 30, is provided with an external thread 21 matched with the internal thread 131, and the quartz tube 20 is internally provided with a gas transmission channel 22 communicated with the ventilation channel 12. The quartz tube 20 is screwed with the internal thread 131 in the mounting groove 13 of the nozzle mount 10 through the external thread 21, wherein the sealing ring 132 is already disposed in the internal thread 131 during the screwing, and is relatively tightly disposed between the internal thread 131 and the external thread 21 to ensure the air tightness therebetween after the screwing.
Each of the heat dissipation fin structures 33 is provided with a plurality of heat dissipation holes 331 uniformly distributed. The air flow between two adjacent heat dissipation chutes 32 and the air flow of each heat dissipation fin structure 33 itself are increased, and further, the heat dissipation effect of the heat dissipation wall 31 is improved.
A heat conduction layer 40 is provided between the heat dissipation wall 31 and the quartz tube 20, and abuts against the heat dissipation plate 11. Further, the heat dissipation efficiency of the metal cap 30 is improved, and since the heat conduction layer 40 has ultrahigh conductivity, a part of heat energy of the metal cap 30 is directly conducted to the heat dissipation plate 11 through the heat conduction layer 40, and is dissipated through the heat dissipation plate 11.
Each of the heat dissipating fin structures 33 is inclined 30 to 60 degrees with respect to the central axis of the heat dissipating wall 31. The oblique arrangement of each heat dissipation fin structure 33 can increase the air flow to improve the heat dissipation effect.
Compared with the prior art, the nozzle for the chromatograph provided by the invention can perform primary heat dissipation through the larger surface area of the heat dissipation wall 31, then the heat dissipation surface area on the heat dissipation wall 31 is increased by the plurality of heat dissipation chutes 32 and the plurality of heat dissipation fin structures 33 to perform secondary heat dissipation, finally, the residual heat energy on the heat dissipation wall 31 is transferred to the heat dissipation plate 11, the heat dissipation plate 11 with a certain surface area and high-efficiency heat dissipation performance performs tertiary heat dissipation, and the temperature of the metal cap 30 during work can be effectively and quickly reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (5)
1. The utility model provides a nozzle for chromatograph, its characterized in that, including nozzle mount pad, one end with the nozzle mount pad can dismantle the quartz capsule of connection and locate the metal cap of the quartz capsule other end, nozzle mount pad surface is equipped with the heating panel, the metal cap is close to the periphery of quartz capsule one end extend have with quartz capsule matched with heat dissipation wall, the heat dissipation wall cover is located the quartz capsule exposes in the outer part of nozzle mount pad and with the heating panel butt, the heat dissipation wall is equipped with a plurality of heat dissipation chutes of evenly distributed, so that the heat dissipation wall forms a plurality of radiating fin structures of evenly distributed.
2. The nozzle for chromatograph as recited in claim 1, wherein said nozzle mounting seat defines a vent channel and a mounting groove, said mounting groove defines an internal thread and a sealing ring disposed in said internal thread, said quartz tube defines an external thread disposed at an end thereof remote from said metal cap for engaging said internal thread, and said quartz tube defines a gas transmission channel therein for communicating with said vent channel.
3. The nozzle for a chromatograph of claim 1, wherein each of said fin structures is provided with a plurality of heat dissipation holes that are uniformly distributed.
4. The nozzle for chromatograph of claim 1, wherein a thermally conductive layer is disposed between the heat dissipating wall and the quartz tube in abutment with the heat dissipating plate.
5. A nozzle for a chromatograph according to claim 1, wherein each of said heat sink fin structures is inclined at 30-60 degrees relative to a central axis of said heat sink wall.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021109292611 | 2021-08-13 | ||
| CN202110929261.1A CN113655160A (en) | 2021-08-13 | 2021-08-13 | Nozzle for chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115112813A true CN115112813A (en) | 2022-09-27 |
Family
ID=78479728
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110929261.1A Withdrawn CN113655160A (en) | 2021-08-13 | 2021-08-13 | Nozzle for chromatograph |
| CN202210872588.4A Pending CN115112813A (en) | 2021-08-13 | 2022-07-20 | Nozzle for chromatograph |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110929261.1A Withdrawn CN113655160A (en) | 2021-08-13 | 2021-08-13 | Nozzle for chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113655160A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09127083A (en) * | 1995-11-02 | 1997-05-16 | Hitachi Ltd | Detector for gas chromatography |
| US20090101814A1 (en) * | 2007-10-18 | 2009-04-23 | Aviv Amirav | Capillary separated vaporization chamber and nozzle device and method |
| CN108633171A (en) * | 2018-07-16 | 2018-10-09 | 湖北荣宝电子科技有限公司 | A kind of pcb board convenient for heat dissipation |
| CN209784277U (en) * | 2019-02-26 | 2019-12-13 | 株式会社岛津制作所 | Derivative device and chromatograph with same |
| CN111411354A (en) * | 2019-01-08 | 2020-07-14 | 津阳创展(天津)金属科技有限公司 | Spray nozzle for spraying carriage plate |
| CN212228863U (en) * | 2020-05-07 | 2020-12-25 | 安徽色谱仪器有限公司 | Nozzle for gas chromatograph |
-
2021
- 2021-08-13 CN CN202110929261.1A patent/CN113655160A/en not_active Withdrawn
-
2022
- 2022-07-20 CN CN202210872588.4A patent/CN115112813A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09127083A (en) * | 1995-11-02 | 1997-05-16 | Hitachi Ltd | Detector for gas chromatography |
| US20090101814A1 (en) * | 2007-10-18 | 2009-04-23 | Aviv Amirav | Capillary separated vaporization chamber and nozzle device and method |
| CN108633171A (en) * | 2018-07-16 | 2018-10-09 | 湖北荣宝电子科技有限公司 | A kind of pcb board convenient for heat dissipation |
| CN111411354A (en) * | 2019-01-08 | 2020-07-14 | 津阳创展(天津)金属科技有限公司 | Spray nozzle for spraying carriage plate |
| CN209784277U (en) * | 2019-02-26 | 2019-12-13 | 株式会社岛津制作所 | Derivative device and chromatograph with same |
| CN212228863U (en) * | 2020-05-07 | 2020-12-25 | 安徽色谱仪器有限公司 | Nozzle for gas chromatograph |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113655160A (en) | 2021-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019192249A1 (en) | Charging gun having excellent heat conduction and dissipation performance | |
| WO2018006621A1 (en) | Efficient heat-dissipating waterproof stage lamp | |
| CN201673359U (en) | Projector | |
| CN115112813A (en) | Nozzle for chromatograph | |
| CN206682976U (en) | The probing shell cooling device of flame detector | |
| CN212228863U (en) | Nozzle for gas chromatograph | |
| CN208859651U (en) | Using the residual heat of gas cooker recovery system of semiconductor generation technology | |
| CN206429944U (en) | A kind of single formula LED illumination lamp applied to lampblack absorber | |
| CN106321388A (en) | Low-weight radiating shell used for ion thruster | |
| CN208237809U (en) | Elastic LED light source gland | |
| CN206944105U (en) | A kind of LED street lamp radiator | |
| CN206772633U (en) | A kind of low-concentration smoke sampling rifle with radiant heating device | |
| CN210088484U (en) | Cooling structure of LED illuminating lamp | |
| CN210088800U (en) | Bulb radiator | |
| CN205028746U (en) | Transformer heating panel | |
| CN220340133U (en) | Column box rapid cooling system for gas chromatograph | |
| CN218819761U (en) | Novel LED lamp with high-efficient heat dissipation function | |
| CN219287662U (en) | Portable switch with good heat dissipation effect | |
| CN208220057U (en) | A kind of refractory honeycomb plate | |
| CN213401172U (en) | Water pump controller MOS manages heat dissipation mechanism | |
| CN214698875U (en) | High-efficient radiating automobile clutch pressure disk | |
| CN210773599U (en) | Fin winding heat pipe | |
| CN211628184U (en) | Improved heat conducting pipe structure of CPU radiator | |
| CN209419607U (en) | A kind of intercom Switching Power Supply | |
| CN213089811U (en) | Novel low-nitrogen combustor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |