CN208297540U - A kind of Flow Injection Analysis device for saving reagent solution - Google Patents
A kind of Flow Injection Analysis device for saving reagent solution Download PDFInfo
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- CN208297540U CN208297540U CN201821016267.XU CN201821016267U CN208297540U CN 208297540 U CN208297540 U CN 208297540U CN 201821016267 U CN201821016267 U CN 201821016267U CN 208297540 U CN208297540 U CN 208297540U
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- coil pipe
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Abstract
It is a kind of save reagent solution Flow Injection Analysis device include peristaltic pump, reaction coil pipe I, reaction coil pipe II, reaction coil pipe III, fixed length pipeline I, fixed length pipeline II, three-way switch valve I, three-way switch valve II, photometer, recorder, sampling valve;Several three-way switch valves are arranged in the utility model, using Vavle switching reagent solution and current-carrying solution, and it is controlled by the timing control software algorithm of PC, it ensure that dispersion effect reproducibility of the sample solution in reagent current-carrying, high cost or poisonous and hazardous reagent solution are saved, reaches and saves testing cost and environmentally friendly purpose.
Description
Technical field
The utility model relates to analyse the Flow Injection Analysis apparatus field in instrument scientifically, in particular to a kind of saving examination
The Flow Injection Analysis device of agent solution.
Background technique
Flow Injection Analysis is that the sample solution of certain volume is injected into one to flow, the examination at non-air interval
In agent solution (or water) current-carrying, the sample solution that is injected flows into reaction coil pipe, forms a region, and with the reagent in current-carrying
Mixing, reaction, enter back into flow-through detector and are measured analysis and record.Since sample solution is under conditions of strict control
Disperse in reagent current-carrying, thus, as long as sample solution injecting method, retention time, temperature and dispersion process etc. in the duct
Condition is identical, and not negate, which should reach equilibrium state, to be surveyed according to comparison method by the working curve that standard solution is drawn
Determine the concentration of measured matter in sample solution.
Analysis test is carried out using existing Flow Injection Analysis equipment, when testing beginning, is reacted needed for each step
Reagent just ceaselessly by injection current-carrying, reacts coil pipe, the reagent injected in advance since sample solution does not reach also accordingly
Solution is not reacted with sample solution and is slatterned;When reagent solution is expensive, the cost of test will certainly be greatly increased,
When reagent solution is toxic, the safety that is unfavorable for the protection of environment and uses.
Utility model content
The purpose of this utility model is to provide a kind of Flow Injection Analysis devices for saving reagent solution, it is intended to by setting
Three-way switch valve is set, using the mode of Vavle switching and timing control, the nontoxic current-carrying solvent replacement reagent using low cost is molten
Liquid achievees the purpose that save high cost or poisonous and hazardous reagent solution.
The technical solution of the utility model is: it is a kind of save reagent solution Flow Injection Analysis device include peristaltic pump,
React coil pipe I, reaction coil pipe II, reaction coil pipe III, fixed length pipeline I, fixed length pipeline II, three-way switch valve I, three-way switch valve
II, photometer, recorder, sampling valve;The outflow end of the three-way switch valve I connects the fixed length pipeline I;The fixed length pipeline
I other end connects the reaction coil pipe I, reaction coil pipe II;The other both ends of the three-way switch valve I are separately connected using pipeline
Current-carrying solution and reagent solution I;The outflow end of the three-way switch valve II connects the fixed length pipeline II;The fixed length pipeline II
The other end connects the reaction coil pipe II, reaction coil pipe III;The other both ends of the three-way switch valve II are connected respectively using pipeline
Carry stream solution and reagent solution II;The sampling valve connects current-carrying solution using pipeline I, connects the reaction using pipeline II
Coil pipe I;The reaction coil pipe I, reaction coil pipe II, reaction coil pipe III successively connect;The reaction coil pipe III is connected to the light
Degree meter;The photometer linkage record instrument;The fixed length pipeline I, fixed length pipeline II, pipeline I connect with the peristaltic pump respectively;
The sampling valve is connected using pipeline III with the peristaltic pump;Current-carrying bypass is additionally provided at sampling valve.
Further, the Flow Injection Analysis device for saving reagent solution is controlled by PC.
The utility model has the beneficial effects that several three-way switch valves are arranged in the utility model, using Vavle switching reagent solution
It with current-carrying solution, and is controlled by the timing control software algorithm of PC, ensure that dispersion effect of the sample solution in reagent current-carrying
Fruit reproducibility saves high cost or poisonous and hazardous reagent solution, reaches and saves testing cost and environmentally friendly purpose.
Detailed description of the invention
Fig. 1 is the utility model principle block diagram;Fig. 2 is the utility model another kind embodiment functional block diagram.
Specific embodiment
As shown in Fig. 1: a kind of Flow Injection Analysis device that saving reagent solution includes peristaltic pump, reaction coil pipe I, anti-
Answer coil pipe II, reaction coil pipe III, fixed length pipeline I, fixed length pipeline II, three-way switch valve I, three-way switch valve II, photometer, record
Instrument, sampling valve;The outflow end of the three-way switch valve I connects the fixed length pipeline I;I other end of fixed length pipeline connects institute
State reaction coil pipe I, reaction coil pipe II;The other both ends of the three-way switch valve I are separately connected current-carrying solution and examination using pipeline
Agent solution I;The outflow end of the three-way switch valve II connects the fixed length pipeline II;II other end of fixed length pipeline connects institute
State reaction coil pipe II, reaction coil pipe III;The other both ends of the three-way switch valve II using pipeline be separately connected current-carrying solution and
Reagent solution II;The sampling valve connects current-carrying solution using pipeline I, connects the reaction coil pipe I using pipeline II;It is described anti-
Coil pipe I, reaction coil pipe II, reaction coil pipe III is answered successively to connect;The reaction coil pipe III is connected to the photometer;The luminosity
Count linkage record instrument;The fixed length pipeline I, fixed length pipeline II, pipeline I connect with the peristaltic pump respectively;The sampling valve makes
It is connected with pipeline III with the peristaltic pump;Current-carrying bypass is additionally provided at sampling valve;The flow injection for saving reagent solution
Analytical equipment is controlled by PC.
Working principle of the utility model is: calculated before starting to test sample solution I from sampling valve reach reaction coil pipe I when
Between T1 and reagent solution I the time t1 of reaction coil pipe I is reached by fixed length pipeline I, sample solution reaches reaction tray from sampling valve
The time T2 and reagent solution II of pipe II reach the time t2 of reaction coil pipe II by fixed length pipeline II, will input PC control the time
In software, start test equipment, three-way switch valve I, three-way switch valve II select current-carrying solution, effect of the sampling valve in peristaltic pump
Lower absorption sample solution, current-carrying bypass path, current-carrying solution are flowed through from current-carrying bypass at this time, and it is complete to draw sample solution to sampling valve
Bi Hou, sampling valve conducting, current-carrying bypass by, sample solution is squeezed out from sampling valve by current-carrying solution, after T1-t1-2s,
Three-way switch valve I switches reagent solution I, and after T2-t2-2S, three-way switch valve II switches reagent solution II, in the process sample
Solution, sample solution successively carry out light splitting detection finally by photometer with reagent solution I, II hybrid reaction of reagent solution,
And the working curve drawn with recorder, the waste liquid discharge after final reaction.What needs to be explained here is that during the test,
After reagent solution I, reagent solution II reach requirement, three-way switch valve I, three-way switch valve II are cut automatically under the control of PC
It changes, selects current-carrying solution, further reduce the usage amount of sample solution, control the cost of test.
A plurality of reagent solution channel and multiple threeways switching can be arranged according to the demand of client in the device of the utility model
Valve (as shown in Fig. 2).
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (2)
1. a kind of Flow Injection Analysis device for saving reagent solution, it is characterised in that: including peristaltic pump, reaction coil pipe I, reaction
Coil pipe II, reaction coil pipe III, fixed length pipeline I, fixed length pipeline II, three-way switch valve I, three-way switch valve II, photometer, record
Instrument, sampling valve;The outflow end of the three-way switch valve I connects the fixed length pipeline I;I other end of fixed length pipeline connects institute
State reaction coil pipe I, reaction coil pipe II;The other both ends of the three-way switch valve I are separately connected current-carrying solution and examination using pipeline
Agent solution I;The outflow end of the three-way switch valve II connects the fixed length pipeline II;II other end of fixed length pipeline connects institute
State reaction coil pipe II, reaction coil pipe III;The other both ends of the three-way switch valve II using pipeline be separately connected current-carrying solution and
Reagent solution II;The sampling valve connects current-carrying solution using pipeline I, connects the reaction coil pipe I using pipeline II;It is described anti-
Coil pipe I, reaction coil pipe II, reaction coil pipe III is answered successively to connect;The reaction coil pipe III is connected to the photometer;The luminosity
Count linkage record instrument;The fixed length pipeline I, fixed length pipeline II, pipeline I connect with the peristaltic pump respectively;The sampling valve makes
It is connected with pipeline III with the peristaltic pump;Current-carrying bypass is additionally provided at sampling valve.
2. a kind of Flow Injection Analysis device for saving reagent solution according to claim 1, it is characterised in that the section
The Flow Injection Analysis device for saving reagent solution is controlled by PC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821016267.XU CN208297540U (en) | 2018-06-29 | 2018-06-29 | A kind of Flow Injection Analysis device for saving reagent solution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821016267.XU CN208297540U (en) | 2018-06-29 | 2018-06-29 | A kind of Flow Injection Analysis device for saving reagent solution |
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Publication Number | Publication Date |
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CN208297540U true CN208297540U (en) | 2018-12-28 |
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CN201821016267.XU Expired - Fee Related CN208297540U (en) | 2018-06-29 | 2018-06-29 | A kind of Flow Injection Analysis device for saving reagent solution |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110646561A (en) * | 2019-10-10 | 2020-01-03 | 杭州浅海科技有限责任公司 | Flow injection method for injecting reagent at fixed time |
CN110646560A (en) * | 2019-10-10 | 2020-01-03 | 杭州浅海科技有限责任公司 | Flow injection method for uniformly distributing reagent |
-
2018
- 2018-06-29 CN CN201821016267.XU patent/CN208297540U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110646561A (en) * | 2019-10-10 | 2020-01-03 | 杭州浅海科技有限责任公司 | Flow injection method for injecting reagent at fixed time |
CN110646560A (en) * | 2019-10-10 | 2020-01-03 | 杭州浅海科技有限责任公司 | Flow injection method for uniformly distributing reagent |
CN110646561B (en) * | 2019-10-10 | 2022-03-08 | 杭州浅海科技有限责任公司 | Flow injection method for injecting reagent at fixed time |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20200629 |