CN103900892A - Aerosol diluting device - Google Patents
Aerosol diluting device Download PDFInfo
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- CN103900892A CN103900892A CN201410114220.7A CN201410114220A CN103900892A CN 103900892 A CN103900892 A CN 103900892A CN 201410114220 A CN201410114220 A CN 201410114220A CN 103900892 A CN103900892 A CN 103900892A
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- gasoloid
- proton
- pipe
- flowmeter
- aerosol
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Abstract
The invention relates to an aerosol diluting device. The aerosol diluting device comprises an argon input pipe, proton flow meters, an atomizer, an atomization chamber, a torch pipe and the like, wherein the argon input pipe is respectively connected with a proton flow meter I, a proton flow meter II, a proton flow meter III and a proton flow meter IV connected with the torch pipe; the torch pipe is sleeved with a radio frequency coil; the proton flow meter IV is connected with a sample gas input pipe; the sample gas input pipe is connected with the atomizer; the atomizer is connected into the atomization chamber; the atomization chamber is connected with the torch pipe; a waste liquid discharging opening is formed in the bottom of the atomization chamber; a pipeline between the torch pipe and the atomization chamber is connected with an aerosol split-flow treatment device. The aerosol diluting device has the beneficial effects that an aerosol split-flow technology is adopted so that surplus aerosol in a diluting process does not enter a subsequent analysis flow; gas flow speeds of all pipelines of the device are controlled by the respective proton flow meters MFC, and different diluting times are set according to different samples and standards, so that the intelligent control is realized.
Description
Technical field
The present invention relates to a kind of gasoloid air mix facilities, specifically belong to a kind of gasoloid air mix facilities for ICP-MS or ICP-OES.
Background technology
In general ICP-MS or ICP-OES, conventionally Yong San road argon gas produces plasma, fluid sample is introduced to plasma with aerocolloidal form simultaneously, but in the time of base matter too high levels in sample, ICP-MS can cause the problems such as taper hole obstruction, thereby need to carry out dilution in advance to this class sample, and so likely bring staining of dilution, also increase workload.
Diluting with gasoloid is a kind of new technology that development in recent years is got up.The method adopting is at present to reduce the flow of atomization gas, as shown in Figure 1, increases the mode of a road diluents.But be made with like this some weak point: the one, cannot know definite extension rate; The 2nd, in the time that atomization gas flow is too low, it is very poor that the effect of atomization can become, especially in the time that hope obtains larger extension rate; The 3rd, in the whole process of analyzing, must use same extension rate, can not set different extension rates to different samples and standard solution, thereby cannot realize intellectuality.
Summary of the invention
The object of this invention is to provide a kind of gasoloid air mix facilities, to overcome prior art above shortcomings.
The object of the invention is to realize by following two kinds of technical schemes:
A kind of gasoloid air mix facilities, comprise argon gas input pipe, comprise argon gas input pipe, described argon gas input pipe is connected with respectively proton flowmeter one, proton flowmeter two, proton flowmeter three and proton flowmeter four, described proton flowmeter one, proton flowmeter two is all connected with torch pipe with proton flowmeter three, on described torch pipe, be arranged with radio-frequency coil, described proton flowmeter four is connected with sample gas input pipe, described sample gas input pipe is connected with atomizer, described atomizer is connected in spray chamber, spray chamber is connected with torch pipe, the bottom of spray chamber is provided with waste liquid escape hole, pipeline between torch pipe and spray chamber is provided with gasoloid and divides current processing device.
Further, it is accurate aspiration pump that described gasoloid divides current processing device, the tail end of described accurate aspiration pump is provided with exhaust extractor, consistent for guaranteeing to enter the sample gas speed of torch pipe, the flow velocity of the diluents of being controlled by proton flowmeter three and the flow velocity of gas bleeding are consistent, and in the time changing the speed of evacuation of accurate aspiration pump, the flow velocity of the diluents that proton flowmeter three is controlled changes and compensates simultaneously, thereby improve the stability of instrument, determine the extension rate of sample simultaneously; Preferably, be provided with proton flowmeter five between accurate aspiration pump and spray chamber, the speed of extracting out in order to control waste gas, to change extension rate.Consistent for guaranteeing to enter the sample gas speed of torch pipe, the flow velocity of the diluents of being controlled by proton flowmeter three and the flow velocity of gas bleeding are consistent, in the time changing the speed of evacuation of proton flowmeter five, the flow velocity of the diluents that proton flowmeter three is controlled changes and compensates simultaneously, thereby improve the stability of instrument, determine the extension rate of sample simultaneously.
Preferably, described gasoloid divides current processing device to comprise discarded gasoloid purification plant, described discarded gasoloid purification plant comprises container and the discarded gasoloid that is arranged in container purifies thing, and described discarded gasoloid purifies thing can carry out purified treatment to discarded gasoloid; It is solvent that described gasoloid purifies thing.
The invention has the beneficial effects as follows: gasoloid air mix facilities of the present invention has adopted the technology of gasoloid shunting, and gasoloid unnecessary in dilution is no longer entered in follow-up analysis process; The gas flow rate of each pipeline of this device is controlled by proton flowmeter MFC separately, and extension rate that can be different with standard setting according to different samples is realized intelligent control.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the structured flowchart of the gasoloid air mix facilities of prior art;
Fig. 2 is the structured flowchart of the gasoloid air mix facilities described in the embodiment of the present invention one;
Fig. 3 is the structured flowchart of the gasoloid air mix facilities described in the embodiment of the present invention two.
In figure:
1, argon gas input pipe; 2, proton flowmeter one; 3, proton flowmeter two; 4, proton flowmeter three; 5, proton flowmeter four; 6, torch pipe; 7, radio-frequency coil; 8, atomizer; 9, spray chamber; 10, sample gas input pipe; 11, outlet port; 12, accurate aspiration pump; 13, exhaust extractor; 14, aspiration pump; 15, proton flowmeter five; 16, container; 17, purify aerocolloidal solvent.
Embodiment
As Figure 2-3, gasoloid air mix facilities described in the embodiment of the present invention, comprise argon gas input pipe 1, described argon gas input pipe 1 is connected with respectively proton flowmeter 1, proton flowmeter 23, proton flowmeter 34 and proton flowmeter 45, wherein, proton flowmeter 1 is controlled the flow velocity of cold gas, and proton flowmeter 23 is controlled the flow velocity of assisted gas, proton flowmeter 34 is controlled the flow velocity of atomization gas, and described proton flowmeter 45 is controlled the flow velocity of carrier gas; Described proton flowmeter one 2 proton flowmeters 23 are all connected with torch pipe 6 with proton flowmeter 34, on described torch pipe 6, be arranged with radio-frequency coil 7, described proton flowmeter 45 is connected with sample gas input pipe 10, described sample gas input pipe 10 is connected with atomizer 8, described atomizer 8 is connected in spray chamber 9, spray chamber 9 is connected with torch pipe 6, and the bottom of spray chamber 9 is provided with outlet port 11, is connected with gasoloid and divides current processing device on the pipeline between torch pipe 6 and spray chamber 9.
Embodiment mono-
As shown in Figure 2, described gasoloid divides current processing device to adopt accurate aspiration pump 12, by accurate aspiration pump 12, carrier gas colloidal sol is shunted, the tail end of accurate aspiration pump 12 is provided with exhaust extractor 13, waste gas is discharged by exhaust extractor 13, to guarantee the normal circulation of the gas in spray chamber 9.
The principle of work of this gasoloid air mix facilities is: proton flowmeter 1, proton flowmeter 23 and proton flowmeter 34 are controlled respectively cold gas, the flow velocity of assisted gas and atomization gas, proton flowmeter 45 is controlled the flow velocity of carrier gas, an accurate aspiration pump 12 is used for shunting spray chamber 9 gasoloid out, speed and the proton flowmeter 45 carrier gas gas flow rate out of shunting are consistent, can guarantee that like this flying speed of sample in plasma is consistent, as long as the aerocolloidal flow velocity of change shunting just can be adjusted the extension rate of sample, simultaneously owing to remaining unchanged by the gas flow rate of atomizer 8, thereby atomizer 8 can provide best atomizing effect all the time.
Embodiment bis-
As shown in Figure 3, described gasoloid divides current processing device to adopt discarded gasoloid purification plant, described discarded gasoloid purification plant is made up of the steam-water mixing drainage arrangement 17 that is filled with the container 16 of solvent and be arranged in container 16, in container 16, be filled with solvent, be used for absorbing in discarded gasoloid the objectionable impuritiess such as acid; Container 16 is connected with proton flowmeter 5 15, proton flowmeter 5 15 is connected with aspiration pump 14, control the gas flow rate of shunting by proton flowmeter 5 15, speed and the proton flowmeter 45 carrier gas gas flow rate out of shunting are consistent, can guarantee that like this flying speed of sample in plasma is consistent, as long as the aerocolloidal flow velocity of change shunting just can be adjusted the extension rate of sample, while is owing to remaining unchanged by the gas flow rate of atomizer 8, thereby atomizer 8 can provide best atomizing effect all the time.The tail end of described aspiration pump 14 is provided with exhaust extractor 13, and waste gas is discharged by exhaust extractor 13.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (5)
1. a gasoloid air mix facilities, comprise argon gas input pipe (1) and connect the proton flowmeter one (2) of described argon gas input pipe, proton flowmeter two (3), proton flowmeter three (4) and proton flowmeter four (5), described proton flowmeter one (2), proton flowmeter two (3) is all connected with torch pipe (6) with proton flowmeter three (4), on described torch pipe (6), be arranged with radio-frequency coil (7), described proton flowmeter four (5) is connected with sample gas input pipe (10), described sample gas input pipe (10) is connected with atomizer (8), described atomizer (8) is connected in spray chamber (9), spray chamber (9) is connected with torch pipe (6), the bottom of spray chamber (9) is provided with waste liquid escape hole (11), it is characterized in that: the pipeline between described torch pipe (6) and spray chamber (9) is provided with gasoloid and divides current processing device.
2. gasoloid air mix facilities according to claim 1, is characterized in that: it is accurate aspiration pump (12) that described gasoloid divides current processing device, and the tail end of described accurate aspiration pump (12) is provided with exhaust extractor (13).
3. gasoloid air mix facilities according to claim 2, it is characterized in that: described gasoloid divides current processing device also to comprise discarded gasoloid purification plant, described discarded gasoloid purification plant comprises container (16) and the discarded gasoloid that is arranged in container (16) purifies thing (17), and described discarded gasoloid purifies thing (17) can carry out purified treatment to discarded gasoloid.
4. gasoloid air mix facilities according to claim 3, is characterized in that: it is purifying solvent that described discarded gasoloid purifies thing (17).
5. gasoloid air mix facilities according to claim 2, is characterized in that: described accurate aspiration pump (12) is connected with proton flowmeter five (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114220.7A CN103900892A (en) | 2014-03-25 | 2014-03-25 | Aerosol diluting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114220.7A CN103900892A (en) | 2014-03-25 | 2014-03-25 | Aerosol diluting device |
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| Publication Number | Publication Date |
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| CN103900892A true CN103900892A (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410114220.7A Pending CN103900892A (en) | 2014-03-25 | 2014-03-25 | Aerosol diluting device |
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| CN (1) | CN103900892A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359745A (en) * | 2014-10-31 | 2015-02-18 | 苏州宏瑞净化科技有限公司 | Aerosol diluting device |
| CN111203158A (en) * | 2020-01-09 | 2020-05-29 | 天津大学 | Heterogeneous condensation gas source system with adjustable granularity, concentration and flow |
Citations (9)
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|---|---|---|---|---|
| US4575609A (en) * | 1984-03-06 | 1986-03-11 | The United States Of America As Represented By The United States Department Of Energy | Concentric micro-nebulizer for direct sample insertion |
| US4977785A (en) * | 1988-02-19 | 1990-12-18 | Extrel Corporation | Method and apparatus for introduction of fluid streams into mass spectrometers and other gas phase detectors |
| US20030213907A1 (en) * | 1999-12-17 | 2003-11-20 | Rutzke Michael A. | Spectrometer sample generating and injecting system using a microliter nebulizer |
| US20080035844A1 (en) * | 2006-08-11 | 2008-02-14 | Kenichi Sakata | Inductively coupled plasma mass spectrometer |
| CN101180527A (en) * | 2005-02-11 | 2008-05-14 | 株式会社堀场制作所 | Wide range continuous diluter |
| JP2008275372A (en) * | 2007-04-26 | 2008-11-13 | Agilent Technol Inc | Plasma analyzer and plasma analysis method |
| CN101706436A (en) * | 2009-12-02 | 2010-05-12 | 江苏天瑞仪器股份有限公司 | Atomizing chamber of ICP spectrometer sampling system |
| CN201628684U (en) * | 2009-12-24 | 2010-11-10 | 江苏天瑞仪器股份有限公司 | Atomizing chamber of sampling system of inductively coupled plasma (ICP) spectrometer |
| CN101923035A (en) * | 2009-11-27 | 2010-12-22 | 广东中烟工业有限责任公司 | Method for collecting and detecting aerosol in side-stream smoke applicable to cigarettes having different concentrations of tar |
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2014
- 2014-03-25 CN CN201410114220.7A patent/CN103900892A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575609A (en) * | 1984-03-06 | 1986-03-11 | The United States Of America As Represented By The United States Department Of Energy | Concentric micro-nebulizer for direct sample insertion |
| US4977785A (en) * | 1988-02-19 | 1990-12-18 | Extrel Corporation | Method and apparatus for introduction of fluid streams into mass spectrometers and other gas phase detectors |
| US20030213907A1 (en) * | 1999-12-17 | 2003-11-20 | Rutzke Michael A. | Spectrometer sample generating and injecting system using a microliter nebulizer |
| CN101180527A (en) * | 2005-02-11 | 2008-05-14 | 株式会社堀场制作所 | Wide range continuous diluter |
| US20080035844A1 (en) * | 2006-08-11 | 2008-02-14 | Kenichi Sakata | Inductively coupled plasma mass spectrometer |
| JP2008275372A (en) * | 2007-04-26 | 2008-11-13 | Agilent Technol Inc | Plasma analyzer and plasma analysis method |
| CN101923035A (en) * | 2009-11-27 | 2010-12-22 | 广东中烟工业有限责任公司 | Method for collecting and detecting aerosol in side-stream smoke applicable to cigarettes having different concentrations of tar |
| CN101706436A (en) * | 2009-12-02 | 2010-05-12 | 江苏天瑞仪器股份有限公司 | Atomizing chamber of ICP spectrometer sampling system |
| CN201628684U (en) * | 2009-12-24 | 2010-11-10 | 江苏天瑞仪器股份有限公司 | Atomizing chamber of sampling system of inductively coupled plasma (ICP) spectrometer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359745A (en) * | 2014-10-31 | 2015-02-18 | 苏州宏瑞净化科技有限公司 | Aerosol diluting device |
| CN111203158A (en) * | 2020-01-09 | 2020-05-29 | 天津大学 | Heterogeneous condensation gas source system with adjustable granularity, concentration and flow |
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Application publication date: 20140702 |
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