CN220207513U - Full-atomization marking device - Google Patents
Full-atomization marking device Download PDFInfo
- Publication number
- CN220207513U CN220207513U CN202320258121.0U CN202320258121U CN220207513U CN 220207513 U CN220207513 U CN 220207513U CN 202320258121 U CN202320258121 U CN 202320258121U CN 220207513 U CN220207513 U CN 220207513U
- Authority
- CN
- China
- Prior art keywords
- full
- fog chamber
- atomization
- marking device
- atomizer
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- 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.)
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- 238000000889 atomisation Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 239000012086 standard solution Substances 0.000 claims abstract description 18
- 239000012159 carrier gas Substances 0.000 claims abstract description 16
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 claims abstract description 13
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 238000000520 microinjection Methods 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 238000002372 labelling Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000000443 aerosol Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
Abstract
The utility model relates to the technical field of air element detection, and particularly discloses a full atomization marking device. The full-atomization marking device comprises a trace liquid injection device, a sample inlet tube, an atomizer and a fog chamber; the micro liquid injection device can inject the liquid standard solution into the sample inlet pipe according to the set flow rate; the atomizer is provided with an inlet, an outlet and a carrier gas interface, the inlet is communicated with the sample injection pipe, and the outlet is communicated with the fog chamber; the carrier gas interface is communicated with carrier gas equipment for providing inert gas; the fog chamber is provided with an interface for communicating with an ICP-MS instrument. The full-atomization marking device can uniformly distribute the liquid standard solution into the gas, so that a working curve is manufactured by using the gas standard sample.
Description
Technical Field
The utility model relates to the technical field of air element detection, in particular to a full atomization marking device.
Background
For the detection of target substances in gases, only organic substances on the market currently have corresponding standard gases with known content. For the detection of elements in the gas, an ICP-MS (Inductively coupled plasma-Mass Spectrometry ) instrument is conventionally used to detect inorganic elements in the gas. However, when an ICP-MS instrument is used to detect inorganic elements in a gas, a working curve must be made from standard solutions having known element contents, and the difference between the liquid and gas substrates causes a large deviation in the detection results. There is no corresponding standard gas available at present, and no method and apparatus for adding standard gas.
Disclosure of Invention
The utility model aims to provide a full-atomization marking device which can uniformly distribute a liquid standard solution into gas so as to realize the production of a working curve by using a gas standard sample.
To achieve the purpose, the utility model adopts the following technical scheme:
a full-atomization marking device, which comprises a trace liquid injection device, a sample inlet tube, an atomizer and a fog chamber; the micro liquid injection device can inject the liquid standard solution into the sample injection tube according to a set flow rate; the atomizer is provided with an inlet, an outlet and a carrier gas interface, the inlet is communicated with the sample injection pipe, and the outlet is communicated with the fog chamber; the carrier gas interface is communicated with carrier gas equipment for providing inert gas; the fog chamber is provided with an interface for communicating with an ICP-MS instrument.
Further, the micro-liquid injection device is a micro-injection pump, and the needle end of the injector of the micro-injection pump can extend into the sample injection tube.
Further, the sample inlet pipe is a transparent rubber pipe.
Further, the device also comprises a fixing seat, wherein a positioning groove is formed in the top surface of the fixing seat; the fog chamber is vertically clamped in the positioning groove, and the lower end of the fog chamber is arranged in a suspending manner; the interface is arranged at the lower end of the fog chamber.
Further, a through hole is formed in the top surface of the fog chamber, and the outlet end of the atomizer is connected into the through hole in a sealing mode.
Further, the side wall of the fog chamber is arranged in a transparent mode.
The beneficial effects of the utility model are as follows: compared with the prior art, the full-atomization marking device can uniformly distribute the liquid standard solution into the gas, so that the ICP-MS instrument is utilized to manufacture a working curve with the gas standard sample.
Drawings
Fig. 1 is a schematic structural diagram of a full atomization marking device provided by the utility model.
In the figure: 1-a micro liquid injection device; 11-a syringe needle end; 2-a sample feeding tube; 3-atomizer; 31-carrier gas interface; 4-fog room; 41-interface; 5-fixing seat.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in FIG. 1, the full-atomization marking device comprises a micro-liquid injection device 1, a sample injection tube 2, an atomizer 3 and a fog chamber 4. Wherein, the micro liquid injection device 1 is used for injecting the liquid standard solution into the sample inlet tube 2 according to the set flow rate; the atomizer 3 is communicated with the sampling tube 2 and the fog chamber 4 and is used for atomizing the liquid standard solution input by the sampling tube 2 into aerosol and inputting the aerosol into the fog chamber 4; the fog chamber 4 is communicated with an ICP-MS instrument and is used for caching and stabilizing aerosol.
In particular, in the full-atomizing marking device, the micro-fluid injection device 1 is preferably a micro-injection pump, and the syringe needle end 11 of the micro-injection pump can extend into the sample inlet tube 2. When in use, the liquid standard solution is sucked by the syringe, and then the liquid standard solution in the syringe is injected into the sample inlet tube 2 according to the set flow rate.
The sample tube 2 is used to transport the liquid standard solution injected by the syringe into the atomizer 3. When in use, the sample injection tube 2 can be arranged in an inclined shape with height difference at two ends, so that the liquid standard solution can smoothly flow into the atomizer 3 at the lower end. Wherein, the sample tube 2 is preferably a transparent rubber tube so as to facilitate the observation of the liquid standard solution in the sample tube 2 during the use process.
The atomizer 3 is provided with an inlet, an outlet and a carrier gas interface 31. Wherein, the inlet is communicated with the sample injection tube 2, and the outlet is communicated with the fog chamber 4; the carrier gas interface 31 communicates with a carrier gas apparatus that supplies an inert gas. The mist chamber 4 is provided with an interface 41 for communicating with ICP-MS instruments.
Further, the full-atomization marking device also comprises a fixing seat 5, and a positioning groove is formed in the top surface of the fixing seat 5; the fog chamber 4 is vertically clamped in the positioning groove, and the lower end of the fog chamber is suspended; the interface 41 is provided at the lower end of the mist chamber 4. Wherein, the through-hole has been seted up to the top surface of fog chamber 4, and the exit end seal of atomizer 3 inserts in the through-hole. Preferably, the side wall of the fog chamber 4 is arranged in a transparent way so as to observe whether the inner wall of the fog chamber has condensation phenomenon or not.
When in use, when the aerosol generated by the atomizer 3 is smaller than 10 mu m, the inner wall of the fog chamber 4 is not condensed, so that the full atomization of the liquid is represented; if condensation exists on the inner wall of the fog chamber 4, the carrier gas and liquid flow rates need to be optimized.
The utility model relates to a full-atomization marking device, which has the following working process and principle:
first, the liquid standard solution is pushed out at a set flow rate by the micro-liquid injection device 1, and the liquid standard solution enters the atomizer 3 through the sample tube 2.
Then, under the driving of the carrier gas input from the carrier gas interface 31, at the outlet position of the atomizer 3, the negative pressure is generated by the airflow, so that the liquid standard solution entering the atomizer 3 is rapidly atomized into aerosol under the action of the negative pressure.
Finally, after the atomized aerosol is cached and stabilized in the fog chamber 4, the aerosol enters an ICP-MS instrument through an interface 41; the ICP-MS instrument can draw a working curve according to signals generated by elements under different set flow rate conditions.
Therefore, the full-atomization marking device for ICPMS detection of inorganic elements in gas can uniformly distribute liquid standard solution into the gas, so that an ICP-MS instrument is utilized to manufacture a working curve with a gas standard sample.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (6)
1. The full-atomization marking device is characterized by comprising a trace liquid injection device (1), a sample injection pipe (2), an atomizer (3) and a fog chamber (4); the micro liquid injection device (1) can inject a liquid standard solution into the sample injection tube (2) according to a set flow rate; the atomizer (3) is provided with an inlet, an outlet and a carrier gas interface (31), the inlet is communicated with the sample injection tube (2), and the outlet is communicated with the fog chamber (4); the carrier gas interface (31) is communicated with carrier gas equipment for providing inert gas; the fog chamber (4) is provided with an interface (41) for communicating with an ICP-MS instrument.
2. A fully atomized marking device according to claim 1, characterized in that the micro-fluid injection device (1) is a micro-injection pump, the syringe needle end (11) of which can extend into the sample injection tube (2).
3. The full-atomization marking device according to claim 1, wherein the sample injection tube (2) is a transparent rubber tube.
4. The full-atomization marking device according to claim 1, further comprising a fixing seat (5), wherein a positioning groove is formed in the top surface of the fixing seat (5); the fog chamber (4) is vertically clamped in the positioning groove, and the lower end of the fog chamber is suspended; the interface (41) is arranged at the lower end of the fog chamber (4).
5. The full-atomization marking device according to claim 4, wherein a through hole is formed in the top surface of the fog chamber (4), and the outlet end of the atomizer (3) is hermetically connected into the through hole.
6. A full mist labelling device according to claim 4, characterised in that the side walls of the mist chamber (4) are arranged transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320258121.0U CN220207513U (en) | 2023-02-20 | 2023-02-20 | Full-atomization marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320258121.0U CN220207513U (en) | 2023-02-20 | 2023-02-20 | Full-atomization marking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220207513U true CN220207513U (en) | 2023-12-19 |
Family
ID=89142029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320258121.0U Active CN220207513U (en) | 2023-02-20 | 2023-02-20 | Full-atomization marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220207513U (en) |
-
2023
- 2023-02-20 CN CN202320258121.0U patent/CN220207513U/en active Active
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