CN211785133U - Atomic fluorescence vapor injection peristaltic composite pump feeding, separating and enriching generation system - Google Patents
Atomic fluorescence vapor injection peristaltic composite pump feeding, separating and enriching generation system Download PDFInfo
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- CN211785133U CN211785133U CN202020045401.XU CN202020045401U CN211785133U CN 211785133 U CN211785133 U CN 211785133U CN 202020045401 U CN202020045401 U CN 202020045401U CN 211785133 U CN211785133 U CN 211785133U
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- peristaltic
- atomic fluorescence
- generation system
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Abstract
An atomic fluorescence steam injection peristaltic composite pump enters a separation enrichment generation system, a sample disc (2) and an injection pump (3) are connected together to enter an electromagnetic valve (4), are connected to enter a peristaltic pump (9) through the electromagnetic valve (4), are led out by the peristaltic pump (9) to be connected to a reactor (10), and are sequentially connected with a primary gas-liquid separator (12) and a secondary gas-liquid separator (13) through the reactor (10). The separation and enrichment system is designed by combining an injection pump and a peristaltic pump with a sample introduction method, and a metering pump is adopted by matching with the injection pump 3, so that the quantitative collection process is completed, the sampling and quantification are accurate, the steam generation and sample introduction system is ensured to have no residue, and the single-concentration-point automatic configuration standard is realized. The method has the advantages of accurate control, improvement of the sensitivity of the instrument, more sufficient steam generation reaction, no residue, improvement of precision and detection limit, better analysis effect, effective improvement of the sensitivity of the instrument, improvement of precision and detection limit, and better analysis effect.
Description
Technical Field
The utility model relates to an atomic fluorescence spectrometer and vapour generation technique thereof, especially atomic fluorescence vapour injection wriggling composite pump advances to separate enrichment emergence system.
Background
The atomic fluorescence photometer uses inert gas argon as carrier gas, gaseous hydride, excessive hydrogen and the carrier gas are mixed and then introduced into a heated atomization device, the hydrogen and the argon are burnt and heated in a special flame device, the hydride is heated and then rapidly decomposed, and the detected element is dissociated into ground state atomic vapor, wherein the ground state atomic weight is several orders of magnitude higher than that generated by simply heating elements such as arsenic, antimony, bismuth, tin, selenium, tellurium, lead, germanium and the like.
In gas chromatography, the mobile phase is a gas, which is referred to as a carrier gas. The carrier gas carries the gas sample or the gasified sample gas together at a certain flow rate and enters the chromatographic column for separation, then each separated component is loaded into a detector for detection, and finally the components flow out of the chromatographic system for emptying or collection, and the carrier gas only carries the gas sample but basically does not participate in the separation. Common carrier gases are hydrogen, helium, nitrogen, argon, carbon dioxide, etc., and the selection and purification of the carrier gas depends on the detector.
In the prior art, an atomic fluorescence vapor generation system adopts a peristaltic pump for sample injection, wherein the product with the best effect is a product with a double-peristaltic pump sample injection structure. The peristaltic pump advances kind mode, although can satisfy the analysis effect basically, the sample ration is very accurate accuracy, but every repeated sampling volume can, can't realize single concentration point automatic configuration standard series, also can't realize carrying out advanced automatic function such as automatic dilution to the high concentration sample on line, the sample dispersion controlled degree is low, often there is few partial residue, the steam takes place to react generally, the gas-liquid separation effect is general, the sensitivity of instrument, precision and detection limit are lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an atomic fluorescence vapour injection wriggling composite pump advances to separate the enrichment emergence system, solves above technical problem, effectively improves the sensitivity of instrument, improves precision and detection limit, and the analysis effect is better.
The purpose of the utility model is realized by the following technical measures: comprises a sample tray, an injection pump, an electromagnetic valve, a peristaltic pump, a reactor, a primary gas-liquid separator and a secondary gas-liquid separator; the sample plate and the injection pump are connected together to enter the electromagnetic valve, connected to enter the peristaltic pump by the electromagnetic valve, then led out by the peristaltic pump to be connected to the reactor, and sequentially connected to the primary gas-liquid separator and the secondary gas-liquid separator by the reactor.
In particular, the injection pump employs a metering pump.
In particular, a peristaltic pump is introduced into the connecting carrier bottle and then drawn off by the peristaltic pump into the connecting carrier tank.
In particular, a peristaltic pump is connected with a reducing agent bottle in an introduction way, and is connected to the reactor in an extraction way by the peristaltic pump.
Particularly, the waste liquid separated by the primary gas-liquid separator returns to the peristaltic pump through a tee joint arranged on the peristaltic pump and then is connected into a waste liquid bottle.
In particular, the atomic fluorescence vapor separated by the secondary gas-liquid separator is connected into the atomizer.
Particularly, the front end of the reactor is connected with a carrier gas pipe.
The utility model discloses an advantage and effect: the control is accurate, the sensitivity of the instrument is improved, the steam generation reaction is more sufficient, no residue is generated, the precision and the detection limit are improved, and the analysis effect is better.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
The reference numerals include:
1-carrying flow groove, 2-sample plate, 3-injection pump, 4-electromagnetic valve, 5-carrying flow bottle, 6-reducing agent bottle, 7-waste liquid bottle, 8-tee joint, 9-peristaltic pump, 10-reactor, 11-carrying gas pipe, 12-first stage gas-liquid separator, 13-second stage gas-liquid separator and 14-atomizer.
Detailed Description
The utility model discloses the principle lies in, combines sampling method design separation enrichment system with the peristaltic pump through the syringe pump to, cooperation syringe pump 3 adopts the measuring pump, accomplishes quantitative collection process, and the sample ration is accurate, guarantees that vapour takes place sampling system does not have and remains, realizes single concentration point automatic configuration standard.
The utility model discloses a: a sample tray 2, an injection pump 3, an electromagnetic valve 4, a peristaltic pump 9, a reactor 10, a primary gas-liquid separator 12 and a secondary gas-liquid separator 13.
Example 1: as shown in the attached figure 1, a sample plate 2 and an injection pump 3 are connected together to enter an electromagnetic valve 4, are connected to enter a peristaltic pump 9 through the electromagnetic valve 4, are led out from the peristaltic pump 9 to be connected to a reactor 10, and are sequentially connected with a primary gas-liquid separator 12 and a secondary gas-liquid separator 13 through the reactor 10.
In the foregoing, the syringe pump 3 is a metering pump.
In the foregoing, the peristaltic pump 9 is introduced into the connecting carrier bottle 5 and then is led out by the peristaltic pump 9 to be connected to the carrier tank 1.
In the foregoing, a peristaltic pump 9 is connected to the reducing agent bottle 6, and then the peristaltic pump 9 is connected to the reactor 10.
In the above, the waste liquid separated by the primary gas-liquid separator 12 is returned to the peristaltic pump 9 by the tee 8 installed on the peristaltic pump 9 and then is connected to the waste liquid bottle 7.
In the foregoing, the atomic fluorescence vapor separated by the secondary gas-liquid separator 13 is connected to the atomizer 14.
In the above, the front end of the reactor 10 is connected to the carrier gas pipe 11.
The embodiment of the utility model provides an in, further increase and join in marriage the automatic preliminary treatment function of sample, the dilution valve is thoughtlessly joined in marriage in the installation between sample dish 2 and solenoid valve 4, and the convenience carries out automatic online dilution to the high concentration sample, and the controlled degree of sample dispersion is higher, and the gas-liquid separation effect is better.
Claims (7)
1. An atomic fluorescence vapor injection peristaltic composite pump separation enrichment generation system comprises a sample disc (2), an injection pump (3), an electromagnetic valve (4), a peristaltic pump (9), a reactor (10), a primary gas-liquid separator (12) and a secondary gas-liquid separator (13); the device is characterized in that a sample disc (2) and an injection pump (3) are connected together to enter an electromagnetic valve (4), the electromagnetic valve (4) is connected to enter a peristaltic pump (9), then the peristaltic pump (9) is led out to be connected into a reactor (10), and the reactor (10) is sequentially connected with a primary gas-liquid separator (12) and a secondary gas-liquid separator (13).
2. The atomic fluorescence vapor injection peristaltic composite pump-in separation and enrichment generation system as claimed in claim 1, wherein the injection pump (3) adopts a metering pump.
3. The atomic fluorescence vapor injection peristaltic composite pump-in separation and enrichment generation system as claimed in claim 1, characterized in that the peristaltic pump (9) is introduced into the connecting carrier flow bottle (5) and then is led out by the peristaltic pump (9) to be connected to the carrier flow groove (1).
4. The atomic fluorescence vapor injection peristaltic composite pump-in separation and enrichment generation system as claimed in claim 1, characterized in that a peristaltic pump (9) is connected with a reducing agent bottle (6) in an introducing way, and is connected with the reactor (10) by the peristaltic pump (9) in an leading way.
5. The atomic fluorescence vapor injection peristaltic composite pump feed separation and enrichment generation system as claimed in claim 1, wherein the waste liquid separated by the primary gas-liquid separator (12) returns to the peristaltic pump (9) through a tee joint (8) arranged on the peristaltic pump (9) and then is connected into a waste liquid bottle (7).
6. The atomic fluorescence vapor injection peristaltic composite pump-in separation enrichment generation system as claimed in claim 1, characterized in that the atomic fluorescence vapor separated by the secondary gas-liquid separator (13) is connected to the atomizer (14).
7. The atomic fluorescence vapor injection peristaltic composite pump-in separation and enrichment generation system as claimed in claim 1, characterized in that the front end of the reactor (10) is connected with a carrier gas pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045401.XU CN211785133U (en) | 2020-01-09 | 2020-01-09 | Atomic fluorescence vapor injection peristaltic composite pump feeding, separating and enriching generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045401.XU CN211785133U (en) | 2020-01-09 | 2020-01-09 | Atomic fluorescence vapor injection peristaltic composite pump feeding, separating and enriching generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211785133U true CN211785133U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020045401.XU Active CN211785133U (en) | 2020-01-09 | 2020-01-09 | Atomic fluorescence vapor injection peristaltic composite pump feeding, separating and enriching generation system |
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| Country | Link |
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| CN (1) | CN211785133U (en) |
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2020
- 2020-01-09 CN CN202020045401.XU patent/CN211785133U/en active Active
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