CN201555807U - Atomization chamber of ICP spectrometer sampling system - Google Patents
Atomization chamber of ICP spectrometer sampling system Download PDFInfo
- Publication number
- CN201555807U CN201555807U CN2009202560638U CN200920256063U CN201555807U CN 201555807 U CN201555807 U CN 201555807U CN 2009202560638 U CN2009202560638 U CN 2009202560638U CN 200920256063 U CN200920256063 U CN 200920256063U CN 201555807 U CN201555807 U CN 201555807U
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- atomizing cup
- intercommunicating pore
- atomizing
- sampling system
- atomization
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Abstract
The utility model discloses an atomization chamber of an ICP spectrometer sampling system. The atomization chamber is concentrically sheathed by three atomization cylinders; the clearance between any two atomization cylinders forms a passage in which the aerosol flows; as the air inlet and the air outlet of each atomization cylinder are far away from each other, the journey of the aerosol in the atomization chamber is prolonged and the volume of the atomization chamber is increased, thus minimizing the influences on the signals by the drippage of the atomizer waste liquid drops or the fluctuation of the sampling speed of the aerosol due to the fluctuation of the carrier gas pressure, thereby reinforcing the stability of the signals.
Description
Technical field
The utility model relates to a kind of ICP spectrometer, particularly a kind of spray chamber of ICP spectrometer sampling system.
Background technology
The ICP spectrometer is a kind of Atomic Emission Spectrometer AES device of precision, and chief component comprises several parts such as inductively coupled plasma generator (being the ICP light source), sampling system, beam splitting system, photo-translating system, signal Processing.Wherein, the inductively coupled plasma generator produces plasma torch, and the high temperature of torch can excite sample atoms of elements to be analyzed, thereby produces the signature analysis line of this element; Sampling system is used for sample solution to be measured is formed gasoloid, and this gasoloid is sent into deexcitation in the plasma torch; The wavelength separated of the signature analysis line that beam splitting system is then sent plasma torch comes and qualitative its wavelength; Photo-translating system then is converted to electric signal with the light intensity signal of analytical line; Signal Processing comprises that amplification, filtering, the AD of photoelectric conversion signal change, calculate or the like.
Sampling system is a very important system in the ICP spectrometer, and the stability of sampling system and repeatability directly influence the stable and repeated of ICP spectrometer complete machine.The major function of sampling system is exactly that sample solution to be measured is formed the gasoloid that mixes all by atomizer and spray chamber, by spray chamber this gasoloid is imported the central passage of torch pipe then, excites.In use find, spray chamber is bigger to the repeatability and the stability influence of sampling system, its reason is that former atomizer is the concentric spray chamber of the bitubular, the spray chamber internal volume is less, because the drippage of atomizer waste liquid drop, perhaps because the fluctuation of the gasoloid sample introduction speed that the fluctuation of nebulizer gas pressure causes, spray chamber can not well cushion the influence that this fluctuation causes.In addition, the stroke of gasoloid in spray chamber that atomizer forms is also shorter, and the aerosol particle uniformity coefficient that can cause entering torch tube hub passage is relatively poor, also can cause the fluctuation of excitation signal, thereby influence the stability of signal.
The utility model content
At above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model provides a kind of spray chamber of new ICP spectrometer sampling system, this spray chamber is by increasing internal volume, prolong the stroke of gasoloid in spray chamber and come the influence of better cushion gas colloidal sol fluctuation to signal, the stability of enhancing signal.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of spray chamber of ICP spectrometer sampling system, it is characterized in that: it comprises first atomizing cup, second atomizing cup and the 3rd atomizing cup, described first atomizing cup is positioned at described second atomizing cup, leave the gap between described first atomizing cup and second atomizing cup, described second atomizing cup is positioned at described the 3rd atomizing cup, leave the gap between described second atomizing cup and the 3rd atomizing cup, one end of described first atomizing cup is provided with the atomizer installing port, described first atomizing cup is provided with first intercommunicating pore away from an end of atomizer installing port, described first atomizing cup is communicated with by described first intercommunicating pore with second atomizing cup, described second atomizing cup is provided with second intercommunicating pore away from an end of described first intercommunicating pore, described second atomizing cup is communicated with by described second intercommunicating pore with described the 3rd atomizing cup, described the 3rd atomizing cup is provided with the gasoloid outlet away from the upside of described second intercommunicating pore, one end, and described the 3rd atomizing cup is provided with the waste liquid escape hole away from the downside of described second intercommunicating pore, one end.
Preferably, the dead in line of described first atomizing cup, second atomizing cup, the 3rd atomizing cup.
Such scheme has following beneficial effect: spray chamber adopts three atomizing cups to be socketed to form in such scheme, gap between the atomizing cup forms the passage that gasoloid flows, because each atomizing cup air intake opening and gas outlet are all away from each other, so just prolonged the stroke of gasoloid in spray chamber, increased the volume of spray chamber, thereby, strengthened the stability of signal with the drippage of atomizer waste liquid drop or because the fluctuation of the gasoloid sample introduction speed that the fluctuation of nebulizer gas pressure causes reduces to minimum to the influence of signal.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, the spray chamber of this ICP spectrometer sampling system, comprise first atomizing cup 1, second atomizing cup 2 and the 3rd atomizing cup 3, first atomizing cup 1 is positioned at described second atomizing cup 2, second atomizing cup 2 is positioned at the dead in line of the 3rd atomizing cup 3, the first atomizing cups 1, second atomizing cup 2, the 3rd atomizing cup 3, and three materialization tube concentric locking collars together, leave the gap between first atomizing cup 1 and second atomizing cup 2, leave the gap between second atomizing cup 2 and the 3rd atomizing cup 3.One end of first atomizing cup 1 is provided with the atomizer installing port that is connected with atomizer 4, and first atomizing cup 1 is provided with first intercommunicating pore, 7, the first atomizing cups 1 away from an end of atomizer installing port and is communicated with by first intercommunicating pore 7 with second atomizing cup 2.Second atomizing cup 2 is provided with second intercommunicating pore, 8, the second atomizing cups 2 away from an end of first intercommunicating pore 7 and is communicated with by second intercommunicating pore 8 with the 3rd atomizing cup 3.The 3rd atomizing cup 3 is provided with gasoloid outlet 5, the three atomizing cups 3 away from the upside of second intercommunicating pore, 8 one ends and is provided with waste liquid escape hole 6 away from the downside of second intercommunicating pore, 8 one ends.
This spray chamber is when work, gasoloid enters in first atomizing cup 1 by atomizer 4, get rid of from gasoloid outlet 5 along the direction of A among the figure along the first materialization tube, the second materialization tube 2, the 3rd materialization tube 3 gap each other then, the waste liquid of generation is got rid of by waste liquid escape hole 6.Gasoloid is got rid of the path of having passed through " an it " font from entering spray chamber to exporting 5 from gasoloid, rather than " U " shape path of original bitubular shape spray chamber.By such design, gasoloid in spray chamber stroke and the time of stop increased more than one times, effectively improved the aerocolloidal homogeneity in spray chamber exit, with the drippage of atomizer waste liquid drop or because the fluctuation of the gasoloid sample introduction speed that the fluctuation of nebulizer gas pressure causes reduces to minimum to the influence of signal, strengthened the stability of signal.
More than the spray chamber of a kind of ICP spectrometer sampling system that the utility model embodiment is provided be described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; part in specific embodiments and applications all can change; in sum; this description should not be construed as restriction of the present utility model, and all any changes of being made according to the utility model design philosophy are all within protection domain of the present utility model.
Claims (2)
1. the spray chamber of an ICP spectrometer sampling system, it is characterized in that: it comprises first atomizing cup, second atomizing cup and the 3rd atomizing cup, described first atomizing cup is positioned at described second atomizing cup, leave the gap between described first atomizing cup and second atomizing cup, described second atomizing cup is positioned at described the 3rd atomizing cup, leave the gap between described second atomizing cup and the 3rd atomizing cup, one end of described first atomizing cup is provided with the atomizer installing port, described first atomizing cup is provided with first intercommunicating pore away from an end of atomizer installing port, described first atomizing cup is communicated with by described first intercommunicating pore with second atomizing cup, described second atomizing cup is provided with second intercommunicating pore away from an end of described first intercommunicating pore, described second atomizing cup is communicated with by described second intercommunicating pore with described the 3rd atomizing cup, described the 3rd atomizing cup is provided with the gasoloid outlet away from the upside of described second intercommunicating pore, one end, and described the 3rd atomizing cup is provided with the waste liquid escape hole away from the downside of described second intercommunicating pore, one end.
2. the spray chamber of ICP spectrometer sampling system according to claim 1 is characterized in that: the dead in line of described first atomizing cup, second atomizing cup, the 3rd atomizing cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202560638U CN201555807U (en) | 2009-12-02 | 2009-12-02 | Atomization chamber of ICP spectrometer sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202560638U CN201555807U (en) | 2009-12-02 | 2009-12-02 | Atomization chamber of ICP spectrometer sampling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555807U true CN201555807U (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202560638U Expired - Lifetime CN201555807U (en) | 2009-12-02 | 2009-12-02 | Atomization chamber of ICP spectrometer sampling system |
Country Status (1)
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| CN (1) | CN201555807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507536A (en) * | 2011-11-16 | 2012-06-20 | 天津重型装备工程研究有限公司 | Method for analyzing trace element capable generating hydride gas through hydrogenation |
-
2009
- 2009-12-02 CN CN2009202560638U patent/CN201555807U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507536A (en) * | 2011-11-16 | 2012-06-20 | 天津重型装备工程研究有限公司 | Method for analyzing trace element capable generating hydride gas through hydrogenation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100818 Effective date of abandoning: 20091202 |