CN203881724U - Analysis function switching device of liquid chromatogram atomic fluorescence combined instrument - Google Patents
Analysis function switching device of liquid chromatogram atomic fluorescence combined instrument Download PDFInfo
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- CN203881724U CN203881724U CN201420280550.9U CN201420280550U CN203881724U CN 203881724 U CN203881724 U CN 203881724U CN 201420280550 U CN201420280550 U CN 201420280550U CN 203881724 U CN203881724 U CN 203881724U
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Abstract
The utility model relates to an analysis function switching device of a liquid chromatogram atomic fluorescence combined instrument, which is capable of automatically realizing switching of element aggregate analysis and elemental speciation analysis to achieve rapid and automatic switching without manually connecting a plugging pipeline by a user so that the existing analysis work is more convenient and rapid. The analysis function switching device comprises an element speciation reaction system, an element aggregate reaction system, an automatic flow path switching device, a secondary gas-liquid separator and an atomizer, the element speciation reaction system and the element aggregate reaction system are connected with the automatic flow path switching device through pipelines, a valve position I and a valve position II are arranged on the automatic flow path switching device and are connected with two connectors of a tee joint through pipelines, a third connector of the tee joint is connected with the secondary gas-liquid separator through a pipeline, and the secondary gas-liquid separator is connected with the atomizer through a pipeline.
Description
Technical field
The utility model relates to liquid chromatography atomic fluorescence coupling Instrument technology field, relates in particular to a kind of liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter.
Background technology
At present, on market, existing liquid chromatography atomic fluorescence combined analytical instrument of the same type mostly adopts a set of chemical evapn system that reacts, need under a set of reactive system, realize two kinds of mode of operations, unavoidably need to connect liquid line, change, very inconvenient.Meanwhile, also bring the basic pollution problem solving not yet so far of puzzlement atomic fluorescence.And adopt the equipment that two cover steams react also mostly connect by very complicated pipeline and switch, or artificial manual connecting line.
Because above-mentioned defect, the design people, actively research and innovation in addition, to founding a kind of liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter, makes it have more the value in industry.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of conversion that can automatically realize element macroanalysis and Elemental Speciation Analysis, accomplish quick automatic switching, without the manual plug pipeline that connects of user, make that existing analytical work is convenient, liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter efficiently.
Liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter of the present utility model, comprise element morphology reactive system, element total amount reactive system, stream automatic switching control equipment, secondary gas-liquid separator, atomizer, described element morphology reactive system is all connected with stream automatic switching control equipment by pipeline with element total amount reactive system, on stream automatic switching control equipment, be provided with valve position one and valve position two, valve position one is connected with two interfaces of threeway by pipeline with valve position two, the 3rd interface of threeway is connected with secondary gas-liquid separator by pipeline, secondary gas-liquid separator is connected with atomizer by pipeline.
Further, described element morphology reactive system comprises reaction block, one-level gas-liquid separator and another secondary gas-liquid separator, on described reaction is fast, be provided with symmetrical potassium borohydride entrance and sample current-carrying entrance, between potassium borohydride entrance and sample current-carrying entrance, be provided with carrier gas inlet, the endpiece of reaction block is connected with described one-level gas-liquid separator, the bottom of one-level gas-liquid separator is provided with waste liquid escape hole, the top of one-level gas-liquid separator is connected with another secondary gas-liquid separator by pipeline, the top of another secondary gas-liquid separator is connected with another atomizer and is connected with stream automatic switching control equipment valve position one respectively by pipeline.
Further, described element total amount reactive system comprises specimen holder, current-carrying groove, syringe pump, peristaltic pump and gas-liquid separator, the gas vent on described gas-liquid separator top is connected with the valve position two on described stream automatic switching control equipment, gas-liquid separator bottom is connected with reaction tank by pipeline, reaction tank is connected with described peristaltic pump by two flexible pipes, in one of them pipeline, carry sample, in another flexible pipe, transmission bearing gas is carried, peristaltic pump is by pipeline current-carrying groove, specimen holder and syringe pump are connected, on the pipeline being wherein connected with peristaltic pump with syringe pump, be also provided with Valve for compressing tubular liner.
Further, the waste liquid escape hole of described peristaltic pump is connected with liquid waste collector by pipeline, and the reductive agent entrance of peristaltic pump is connected with reductive agent adder by pipeline, and the current-carrying entrance of peristaltic pump is connected with current-carrying adder by pipeline.
By such scheme, the utility model at least has the following advantages: with two reactive system automatic switching control equipments (element morphology reactive system and element total amount reactive system), can conveniently realize the switching between two streams.Especially have more good application prospect for the high-load such as arsenic, mercury sample analysis.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand 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 coordinate accompanying drawing to be described in detail as follows.
Brief description of the drawings
Fig. 1 is the structural representation of liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter described in the utility model;
Fig. 2 is the structural representation of element morphology reactive system in Fig. 1;
Fig. 3 is the structural representation of element total amount reactive system in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Shown in Fig. 1-3, a kind of liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter, comprise element morphology reactive system 1, element total amount reactive system 2, stream automatic switching control equipment 3, secondary gas-liquid separator 4, atomizer 5, described element morphology reactive system 1 is all connected with stream automatic switching control equipment 3 by pipeline with element total amount reactive system 2, on stream automatic switching control equipment 3, be provided with valve position 1 and valve position 27, valve position 1 is connected with two interfaces of threeway 8 by pipeline with valve position 27, the 3rd interface of threeway 8 is connected with secondary gas-liquid separator 4 by pipeline, secondary gas-liquid separator 4 is connected with atomizer 5 by pipeline.
Described element morphology reactive system 1 comprises reaction block 11, one-level gas-liquid separator 12 and another secondary gas-liquid separator 13, in described reaction fast 11, be provided with symmetrical potassium borohydride entrance 14 and sample current-carrying entrance 15, between potassium borohydride entrance 14 and sample current-carrying entrance 15, be provided with carrier gas inlet 16, the endpiece of reaction block 11 is connected with described one-level gas-liquid separator 12, the bottom of one-level gas-liquid separator 12 is provided with waste liquid escape hole 17, the top of one-level gas-liquid separator 12 is connected with another secondary gas-liquid separator 13 by pipeline, the top of another secondary gas-liquid separator 13 is successively connected and is connected with another atomizer 18 with stream automatic switching control equipment valve position 1 respectively by pipeline.
Described element total amount reactive system 2 comprises specimen holder 21, current-carrying groove 22, syringe pump 23, peristaltic pump 24 and gas-liquid separator 25, the gas vent on described gas-liquid separator 25 tops is connected with the valve position 27 on described stream automatic switching control equipment 3, gas-liquid separator 25 bottoms are connected with reaction tank 26 by pipeline, reaction tank 26 is connected with described peristaltic pump 24 by two flexible pipes 27, the interior conveying sample of one of them pipeline 27, the interior transmission bearing gas of another flexible pipe 27 is carried, peristaltic pump 24 is by pipeline current-carrying groove 22, specimen holder 21 and syringe pump 23 are connected, on the pipeline being wherein connected with peristaltic pump 24 with syringe pump 23, be also provided with Valve for compressing tubular liner 28.
The waste liquid escape hole of described peristaltic pump 24 is connected with liquid waste collector 241 by pipeline, and the reductive agent entrance of peristaltic pump 24 is connected with reductive agent adder 242 by pipeline, and the current-carrying entrance of peristaltic pump 24 is connected with current-carrying adder 243 by pipeline.
The course of work of element total amount reactive system 2 is as follows:
1, syringe pump 23 sucks sampling ring by the sample on specimen holder 21 automatically by injector, and now Valve for compressing tubular liner 28 is opened;
2, Valve for compressing tubular liner 28 is closed, peristaltic pump 24 pushes reaction tank 26 by reductive agent in sample in sampling pipe and reductive agent adder 242 simultaneously, produces chemical reaction;
3, generated reactive gas enters gas-liquid separator 25 bottom inlets by pipeline, waste liquid is discharged to liquid waste collector 241 via peristaltic pump 23, after gas-liquid two-phase separates, reacting gas enters threeway 8 by the valve position 27 on automatic switching control equipment 3, enter separation vessel 4 by pipeline, in atomizer 5, realize atomization.
The utility model is in the time of work, acquiescence is under element macroanalysis pattern, now the valve position 27 of stream automatic switching control equipment 3 is in open mode, valve position 1, in closed condition, starts element total amount operational mode state, and the gaseous compound being produced by element total amount reactive system 2 enters threeway 8 via stream automatic switching control equipment 3, then gas enters secondary gas-liquid separator 4, after secondary gas-water separation, enter atomizer 5, realize atomization.
Exceed standard in situation in element total amount, need to carry out Elemental Speciation Analysis, now pattern is switched, and now instrument is operated in morphological analysis pattern, and now the valve position 1 of stream automatic switching control equipment 3 is in open mode, valve position 27 is in closed condition, the gaseous compound being produced by element morphology reactive system 1 enters threeway 8 via stream automatic switching control equipment 3, and then gas enters secondary gas-liquid separator 4, after secondary gas-water separation, enter atomizer 5, realize atomization.
The utility model adopts two reactive system automatic switching control equipments (element morphology reactive system 1 and element total amount reactive system 2), can conveniently realize the switching between two streams.Especially have more good application prospect for the high-load such as arsenic, mercury sample analysis.
The above is only preferred implementation of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (4)
1. a liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter, comprise element morphology reactive system, element total amount reactive system, stream automatic switching control equipment, secondary gas-liquid separator, atomizer, it is characterized in that: described element morphology reactive system is all connected with stream automatic switching control equipment by pipeline with element total amount reactive system, on stream automatic switching control equipment, be provided with valve position one and valve position two, valve position one is connected with two interfaces of threeway by pipeline with valve position two, the 3rd interface of threeway is connected with secondary gas-liquid separator by pipeline, secondary gas-liquid separator is connected with atomizer by pipeline.
2. liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter according to claim 1, it is characterized in that, described element morphology reactive system comprises reaction block, one-level gas-liquid separator and another secondary gas-liquid separator, on described reaction block, be provided with symmetrical potassium borohydride entrance and sample current-carrying entrance, between potassium borohydride entrance and sample current-carrying entrance, be provided with carrier gas inlet, the endpiece of reaction block is connected with described one-level gas-liquid separator, the bottom of one-level gas-liquid separator is provided with waste liquid escape hole, the top of one-level gas-liquid separator is connected with another secondary gas-liquid separator by pipeline, the top of another secondary gas-liquid separator is connected with another atomizer and is connected with stream automatic switching control equipment valve position one respectively by pipeline.
3. liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter according to claim 1, it is characterized in that, described element total amount reactive system comprises specimen holder, current-carrying groove, syringe pump, peristaltic pump and gas-liquid separator, the gas vent on described gas-liquid separator top is connected with the valve position two on described stream automatic switching control equipment, gas-liquid separator bottom is connected with reaction tank by pipeline, reaction tank is connected with described peristaltic pump by two flexible pipes, in one of them pipeline, carry sample, in another flexible pipe, transmission bearing gas is carried, peristaltic pump is by pipeline current-carrying groove, specimen holder and syringe pump are connected, on the pipeline being wherein connected with peristaltic pump with syringe pump, be also provided with Valve for compressing tubular liner.
4. liquid chromatography atomic fluorescence coupling instrument analytic function switching device shifter according to claim 3, it is characterized in that, the waste liquid escape hole of described peristaltic pump is connected with liquid waste collector by pipeline, the reductive agent entrance of peristaltic pump is connected with reductive agent adder by pipeline, and the current-carrying entrance of peristaltic pump is connected with current-carrying adder by pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280550.9U CN203881724U (en) | 2014-05-29 | 2014-05-29 | Analysis function switching device of liquid chromatogram atomic fluorescence combined instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280550.9U CN203881724U (en) | 2014-05-29 | 2014-05-29 | Analysis function switching device of liquid chromatogram atomic fluorescence combined instrument |
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| CN203881724U true CN203881724U (en) | 2014-10-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678027A (en) * | 2015-02-04 | 2015-06-03 | 天津科技大学 | Rapid multi-mode element speciation analysis pretreatment system |
| CN106442815A (en) * | 2016-11-15 | 2017-02-22 | 成都市食品药品检验研究院 | Integrated speciation and aggregate analysis atomic fluorescence sample feeding and pre-treating system |
| CN109444308A (en) * | 2018-12-19 | 2019-03-08 | 浙江福立分析仪器股份有限公司 | A kind of pipeline reversing service and its method for morphological analysis |
| CN109444099A (en) * | 2018-11-06 | 2019-03-08 | 北京博晖创新生物技术股份有限公司 | Hydrogenation integrated device |
| CN110658139A (en) * | 2019-09-29 | 2020-01-07 | 北京海光仪器有限公司 | Permanganate index analysis system |
-
2014
- 2014-05-29 CN CN201420280550.9U patent/CN203881724U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678027A (en) * | 2015-02-04 | 2015-06-03 | 天津科技大学 | Rapid multi-mode element speciation analysis pretreatment system |
| CN106442815A (en) * | 2016-11-15 | 2017-02-22 | 成都市食品药品检验研究院 | Integrated speciation and aggregate analysis atomic fluorescence sample feeding and pre-treating system |
| CN106442815B (en) * | 2016-11-15 | 2019-03-15 | 成都市食品药品检验研究院 | Integral type form and macroanalysis atomic fluorescence sample introduction and pretreatment system |
| CN109444099A (en) * | 2018-11-06 | 2019-03-08 | 北京博晖创新生物技术股份有限公司 | Hydrogenation integrated device |
| CN109444308A (en) * | 2018-12-19 | 2019-03-08 | 浙江福立分析仪器股份有限公司 | A kind of pipeline reversing service and its method for morphological analysis |
| CN109444308B (en) * | 2018-12-19 | 2024-03-26 | 浙江福立分析仪器股份有限公司 | Pipeline switching device and method for morphological analysis |
| CN110658139A (en) * | 2019-09-29 | 2020-01-07 | 北京海光仪器有限公司 | Permanganate index analysis system |
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