CN202974871U - Argon-air dual-gas-source gas-path system for element analysis - Google Patents
Argon-air dual-gas-source gas-path system for element analysis Download PDFInfo
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- CN202974871U CN202974871U CN 201220673113 CN201220673113U CN202974871U CN 202974871 U CN202974871 U CN 202974871U CN 201220673113 CN201220673113 CN 201220673113 CN 201220673113 U CN201220673113 U CN 201220673113U CN 202974871 U CN202974871 U CN 202974871U
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Abstract
The utility model discloses an argon-air dual-gas-source gas-path system for element analysis. The system is used for spot rapid detection, and comprises an argon gas-source gas-path system, an air gas-source gas-path system and an electromagnetic valve; the argon-air dual-gas-source gas-path system comprises an argon bottle, a pressure gage and a mass flow meter which are connected in sequence; the air gas-source gas-path system comprises a filter, a dryer, an active carbon purifier, a golden amalgam purifier, an air extracting pump, a buffer and a flow sensor which are connected in sequence; the electromagnetic valve is a two-position three-way electromagnetic valve, and is provided with two inlets A and B and an outlet C, wherein the inlet A is connected with the flow sensor of the air gas-source gas-path system, the inlet B is connected with the mass flow meter of the argon gas-source gas-path system, and the outlet C is connected with a portable an atomic fluorescence spectrometer. The air gas-source system is directly utilized without carrying a high-pressure argon bottle, and the convenience, safety and operability of the spot analysis are realized.
Description
Technical field
The utility model relates to the air-channel system field of atomic fluorescence, especially relates to the air-channel system field for the Portable atomic fluorescence spectrograph of Site Detection.
Background technology
Argon gas is due to the inert gas that is monoatomic molecules, and molecular cross sectional area is little, so the quenching effect of its atomic fluorescence is little, and sensitivity for analysis is high, thereby is widely used as the carrier gas in the atomic fluorescence spectrometry technology.In the laboratory, the argon gas that atomic fluorescence analysis is used provides as source of the gas by the Large-scale High-Pressure gas cylinder, can keep the analytic process of long period to guarantee atomic fluorescence.
For the Portable atomic fluorescence spectrograph that needs the field condition analysis, be generally to use the minitype high voltage argon bottle as source of the gas, the scene of being easy to carry is analyzed.Because the gas-storing capacity of minitype high voltage argon bottle is limited, and carry and operate very inconvenience, there is certain potential safety hazard in gas cylinder itself, secondary filling or replacing all can't be completed in the open air, and therefore the use of small-sized argon bottle has limited portability and the operability of Portable atomic fluorescence spectrograph on-the site analysis greatly.
Be the flame method elements such as arsenic, lead for detected object, the argon gas source of the gas is absolutely necessary; But for the cold atom method elements such as mercury, cadmium, in the less demanding situation to detection sensitivity, can use to purify air as source of the gas, need not to carry small-sized argon bottle, solve portability and the operability problem of on-the site analysis.Analyze requirement for the difference of the cold atom method elements such as mercury, cadmium, if realize the design of the automatic switchover of argon gas and air source of the gas, can satisfy to the full extent on-the site analysis fast, demand easily, convenient vast analytical work person.
But yet there are no report and patent relevant for the argon gas ambient dual gas supply air-channel system that is used for the analysis of mercury and cadmium element.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is: provide a kind of argon gas ambient dual gas supply air-channel system for ultimate analysis, the problem of source of the gas when having solved the Portable atomic fluorescence spectrograph Site Detection that exists in the background technology.
For this reason, a kind of argon gas ambient dual gas supply air-channel system for ultimate analysis of the present utility model, the field quick detection for Portable atomic fluorescence spectrograph comprises argon gas source of the gas air-channel system, air source of the gas air-channel system and solenoid valve;
Described argon gas source of the gas air-channel system comprises argon bottle, tensimeter and the mass flowmeter that connects in turn;
Described air source of the gas air-channel system comprises filtrator, exsiccator, activated-charcoal purifier, gold amalgam clarifier, aspiration pump, impact damper and the flow sensor that connects in turn;
Described solenoid valve is two-bit triplet type solenoid valve, have two inbound port A, B and an outbound port C, described inbound port A is connected with the described flow sensor of described air source of the gas air-channel system, described inbound port B is connected with the described mass flowmeter of described argon gas source of the gas air-channel system, and described outbound port C is used for being connected with described Portable atomic fluorescence spectrograph.
Wherein, the filter membrane aperture of described filtrator is 0.2 μ m～2 μ m.
Wherein, the packing material of described exsiccator is the soda-lime particle.
Wherein, the packing material of described activated-charcoal purifier is activated carbon granule.
Wherein, the packing material of described gold amalgam clarifier is that diameter is the spun gold of 0.1 μ m～100 μ m.
Wherein, the internal volume of described impact damper is 10mL～1000mL.
Wherein, the traffic probe scope of described flow sensor is 20mL/min～2000mL/min.
Wherein, described aspiration pump is membrane pump, adopts the width modulation mode of operation, and its flow range is 20mL/min～2000mL/min.
The beneficial effects of the utility model are: adopt the design of argon gas ambient dual gas supply air-channel system, when utilizing Portable atomic fluorescence spectrograph field quick detection mercury and cadmium element, can directly utilize the built-in air air supply system of Portable atomic fluorescence spectrograph, the analyst need not to carry the high pressure argon bottle can complete analytic process, has realized convenience, security and the operability of on-the site analysis.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals
The 1-filtrator; The 2-exsiccator; The 3-activated-charcoal purifier; 4-gold amalgam clarifier; The 5-aspiration pump; The 6-impact damper; The 7-flow sensor; The 8-solenoid valve; The 9-mass flowmeter; The 10-tensimeter; The 11-argon bottle.
Embodiment
For shape of the present utility model, structure and characteristics can be understood better, below will enumerate preferred embodiment and be elaborated by reference to the accompanying drawings.
As shown in Figure 1, a kind of argon gas ambient dual gas supply air-channel system is used for the on-the-spot express-analysis of element, comprises argon gas source of the gas air-channel system, air source of the gas air-channel system and solenoid valve.
Described argon gas source of the gas air-channel system comprises argon bottle 11, tensimeter 10 and the mass flowmeter 9 that connects in turn.
Described air source of the gas air-channel system comprises filtrator 1, exsiccator 2, activated-charcoal purifier 3, gold amalgam clarifier 4, aspiration pump 5, impact damper 6 and the flow sensor 7 that connects in turn.
Described solenoid valve 8 is two-bit triplet type solenoid valve, have two inbound port A, B and an outbound port C, inbound port A is connected with the outlet side of the flow sensor 7 of air source of the gas air-channel system, inbound port B is connected with the outlet of the mass flowmeter 9 of argon gas source of the gas air-channel system, and outbound port C is connected with the four-way mixing module of Portable atomic fluorescence spectrograph.
The filter membrane aperture of described filtrator 1 is 0.2 μ m～2 μ m;
The packing material of described exsiccator 2 is the soda-lime particle;
The packing material of described activated-charcoal purifier 3 is activated carbon granule;
The packing material of described gold amalgam clarifier 4 is that diameter is the spun gold of 0.1 μ m～100 μ m;
The internal volume of described impact damper 6 is 10mL～1000mL;
The traffic probe scope of described flow sensor 7 is 20mL/min～2000mL/min;
Described aspiration pump 5 is membrane pump, adopts the width modulation mode of operation, and its flow range is 20mL/min～2000mL/min;
Above-mentioned argon gas ambient dual gas supply air-channel system for ultimate analysis, its course of work illustrates as follows.
When mercury and cadmium element sensitivity for analysis are had high requirement, adopt argon gas as source of the gas, its course of work is as follows:
(1) the inbound port B of solenoid valve 8 and outbound port C are communicated with;
(2) argon gas in argon bottle 11 is through after decompression output, flow through successively tensimeter 10 and mass flowmeter 9, and the four-way mixing module that enters Portable atomic fluorescence spectrograph of inbound port B and the outbound port C by solenoid valve 8, participate in steam and react at last.
When mercury and cadmium element are carried out the less demanding conventional analysis of sensitivity for analysis, adopt to purify air as source of the gas, its course of work is as follows:
(1) the inbound port A of solenoid valve 8 and outbound port C are communicated with;
(2) aspiration pump 5 is selected suitable modulating frequency extracting air according to the gas flow demand of Portable atomic fluorescence spectrograph;
(3) air stream of aspiration pump 5 absorptions is through filter 1, the airborne particle of filtering; And then the exsiccator 2 of flowing through and being filled with the soda-lime particle, remove airborne water vapour and the sour gas that comprises carbon dioxide;
(4) through filtering and the dry air of processing enters the activated-charcoal purifier 3 that is filled with activated carbon granule, further go out the organism that wherein contains and the component of other interference measurements;
(5) air through three grades of purifications flows into gold amalgam clarifier 4, and airborne mercury vapour is adsorbed by spun gold, forms amalgam, and air is cleaned as being inhaled into aspiration pump 5 after Zero mercury air;
(6) enter impact damper 6 after the air after the process level Four purifies is pressurized in aspiration pump 5;
(7) after air eliminates the pulsation of aspiration pump 5 in impact damper 6, through flow sensor 7 then flow through the inbound port A of solenoid valve 8 and the four-way mixing module that outbound port C enters Portable atomic fluorescence spectrograph, participate in steam and react.
The utility model is by adopting the design of argon gas ambient dual gas supply air-channel system, when utilizing Portable atomic fluorescence spectrograph field quick detection mercury and cadmium element, the analyst need not to carry the high pressure argon bottle can directly utilize the built-in air air supply system of Portable atomic fluorescence spectrograph, make on-the site analysis have the advantages such as convenient, safe, reliable, have better application and promotional value.
The utility model is by carrying out thermostatic control to the steam process of reacting, and makes variation of ambient temperature no longer affect the steam efficient that reacts, and guaranteed Portable atomic fluorescence spectrograph sensitivity and the repeatability of Site Detection in the open air.
Above is illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in protection domain of the present utility model all.
Claims (8)
1. argon gas ambient dual gas supply air-channel system that is used for ultimate analysis is used for the field quick detection of Portable atomic fluorescence spectrograph, it is characterized in that, comprises argon gas source of the gas air-channel system, air source of the gas air-channel system and solenoid valve;
Described argon gas source of the gas air-channel system comprises argon bottle, tensimeter and the mass flowmeter that connects in turn;
Described air source of the gas air-channel system comprises filtrator, exsiccator, activated-charcoal purifier, gold amalgam clarifier, aspiration pump, impact damper and the flow sensor that connects in turn;
Described solenoid valve is two-bit triplet type solenoid valve, have two inbound port A, B and an outbound port C, described inbound port A is connected with the described flow sensor of described air source of the gas air-channel system, described inbound port B is connected with the described mass flowmeter of described argon gas source of the gas air-channel system, and described outbound port C is used for being connected with described Portable atomic fluorescence spectrograph.
2. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, the filter membrane aperture of described filtrator is 0.2 μ m～2 μ m.
3. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, the packing material of described exsiccator is the soda-lime particle.
4. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, the packing material of described activated-charcoal purifier is activated carbon granule.
5. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, the packing material of described gold amalgam clarifier is that diameter is the spun gold of 0.1 μ m～100 μ m.
6. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, the internal volume of described impact damper is 10mL～1000mL.
7. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, the traffic probe scope of described flow sensor is 20mL/min～2000mL/min.
8. the argon gas ambient dual gas supply air-channel system for ultimate analysis as claimed in claim 1, is characterized in that, described aspiration pump is membrane pump, adopts the width modulation mode of operation, and its flow range is 20mL/min～2000mL/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673113 CN202974871U (en) | 2012-12-07 | 2012-12-07 | Argon-air dual-gas-source gas-path system for element analysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673113 CN202974871U (en) | 2012-12-07 | 2012-12-07 | Argon-air dual-gas-source gas-path system for element analysis |
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| CN202974871U true CN202974871U (en) | 2013-06-05 |
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| CN 201220673113 Expired - Lifetime CN202974871U (en) | 2012-12-07 | 2012-12-07 | Argon-air dual-gas-source gas-path system for element analysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175887A (en) * | 2011-12-20 | 2013-06-26 | 中国科学院大连化学物理研究所 | External connection gas source and ion mobility spectrometry combination system |
| CN103868893A (en) * | 2012-12-07 | 2014-06-18 | 北京瑞利分析仪器有限公司 | Argon-air double-gas source gas passage system for element analysis |
-
2012
- 2012-12-07 CN CN 201220673113 patent/CN202974871U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175887A (en) * | 2011-12-20 | 2013-06-26 | 中国科学院大连化学物理研究所 | External connection gas source and ion mobility spectrometry combination system |
| CN103868893A (en) * | 2012-12-07 | 2014-06-18 | 北京瑞利分析仪器有限公司 | Argon-air double-gas source gas passage system for element analysis |
| CN103868893B (en) * | 2012-12-07 | 2016-12-21 | 北京瑞利分析仪器有限公司 | Argon gas ambient dual gas supply air-channel system for elementary analysis |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |