CN215066395U - Pretreatment device for high-concentration metal salt solution anion analysis - Google Patents
Pretreatment device for high-concentration metal salt solution anion analysis Download PDFInfo
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Abstract
The utility model relates to an anion analysis technical field, concretely relates to preceding processing apparatus for high concentration metal salt solution anion analysis, including sample stock solution bottle, autoinjection device, advection transfer pump I, electrolysis micro-membrane inhibitor, reflux unit, automatic collection device, sample collection bottle and electrical source controller. The pretreatment device provided by the utility model has the advantages of convenient use, long service life, repeated use and application cost reduction; the method can effectively remove metal ions in the complex solution and simultaneously effectively retain anions, has high metal ion removal efficiency and high anion recovery rate, and can meet the detection requirement of electrode materials on the high-precision detection of the anions in the battery industry. Additionally, the utility model provides a preceding processing apparatus can once handle a plurality of samples, and check-out time is short, and the treatment effeciency is high.
Description
Technical Field
The utility model relates to an anion analysis technical field, concretely relates to preceding processing apparatus for high concentration metal salt solution anion analysis.
Background
Ion chromatography is currently the most efficient method for analyzing ionic species, and the greatest contribution to anion detection is the conventional 7 anions (F)-、Cl-、NO2 -、Br-、NO3 -、PO4 3-、SO4 2-) Detection of (3). The ion chromatography is one of high performance liquid chromatography, and has the advantages of fast analysis, high sensitivity, strong selectivity and the like, and is widely applied to the aspects of environment, electronics, chemical industry, medicine and the like. At present, the anion analysis of the solution rich in metal ions, especially transition metal ions, is always a difficult problem in ion chromatographic analysis, because the interior of the solution contains transition metal ions with higher concentration, the retention time of target ions is reduced, and chromatographic peak value distortion is causedAnd the alkaline eluent can react to generate precipitates, the service life of the ion chromatograph is greatly shortened, the detection precision is reduced, and the trace or trace analysis of the ion chromatograph in a complex solution is limited. Therefore, when detecting the anions, the detection sample needs to be subjected to pre-processing, and particularly, the detection with high accuracy requirement on the detection of the anions and high transition metal content per se, such as the detection of a battery anode material, and the like, is required. The traditional metal ion treatment mode is a pretreatment small column such as an H column and an Na column, and the method can only carry out analysis and test on metal ions with certain concentration and has narrow application range; in addition, the small column belongs to a disposable product, the single selling price is higher, and the cost is higher for the user with a large sample testing amount every day; therefore, it is important to develop a pretreatment device which is convenient and sustainable to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a preceding processing apparatus for high concentration metal salt solution anion analysis to solve the prior art problem that exists among the above-mentioned background art.
For solving the above technical problem, the utility model provides a technical scheme does: the utility model provides a preceding processing apparatus for high concentration metal salt solution anion analysis, including sample stock solution bottle, autoinjection device, advection transfer pump I, electrolysis micro-membrane suppressor, reflux unit, automatic collection device, sample collecting bottle and electrical source controller, the sample stock solution bottle passes through autoinjection device and is connected with electrolysis micro-membrane suppressor one end, the sample collecting bottle passes through the other end of autoinjection device and electrolysis micro-membrane suppressor to be connected, advection transfer pump I sets up between autoinjection device and electrolysis micro-membrane suppressor, electrolysis micro-membrane suppressor is provided with a plurality ofly and is series connection, reflux unit installs on electrolysis micro-membrane suppressor, electrical source controller is connected with electrolysis micro-membrane suppressor electricity.
On the basis of the technical scheme, the automatic sample feeding device comprises a sample feeding electromagnetic valve and a sample feeding valve cutting device, wherein the sample feeding electromagnetic valve is provided with a sample feeding port, a sample feeding channel and a flushing port, the head end of the sample feeding port is communicated with the sample feeding channel or the flushing port, the tail end of the sample feeding port is communicated with an electrolytic micro-membrane suppressor, one end of the sample feeding channel is connected with a sample liquid storage bottle, and the flushing port is connected with a flushing bottle; one end of the sample injection valve cutter is electrically connected with the sample injection electromagnetic valve.
On the basis of the technical scheme, the automatic collection device comprises a sample outlet electromagnetic valve and a sample outlet valve cutter, wherein the sample outlet electromagnetic valve is provided with a sample outlet, a sample outlet channel and a waste liquid port, the head end of the sample outlet is communicated with the electrolytic micro-membrane suppressor, the tail end of the sample outlet is communicated with the sample outlet channel or the waste liquid port, the sample outlet channel is connected with a sample collection bottle, and the waste liquid port is connected with a waste liquid bottle; one end of the sample outlet valve cutting device is electrically connected with the sample outlet electromagnetic valve.
On the basis of the technical scheme, the reflux device comprises a regeneration liquid bottle and an advection infusion pump II, wherein the regeneration liquid bottle is connected to an inlet of a regeneration liquid channel of the electrolytic micro-membrane suppressor, and the advection infusion pump II is arranged between the regeneration liquid bottle and the electrolytic micro-membrane suppressor.
On the basis of the technical scheme, the sample liquid storage bottle and the sample collecting bottle are both provided with a plurality of sample liquid storage bottles.
On the basis of the technical scheme, the number of the sample feeding channels is matched with that of the sample storage bottles, and the number of the sample discharging channels is matched with that of the sample collecting bottles.
The utility model provides a beneficial effect that technical scheme produced lies in:
the pretreatment device provided by the utility model has the advantages of convenient use, long service life, repeated use and application cost reduction; the method can effectively remove metal ions in the complex solution and simultaneously effectively retain anions, has high metal ion removal efficiency and high anion recovery rate, and can meet the detection requirement of electrode materials on the high-precision detection of the anions in the battery industry. Additionally, the utility model provides a preceding processing apparatus can once handle a plurality of samples, and check-out time is short, and the treatment effeciency is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an automatic sample feeding device of the present invention;
FIG. 3 is a schematic structural view of the automatic sample discharging device of the present invention;
Detailed Description
The invention will be further explained with reference to the following figures and examples:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a preceding processing apparatus for high concentration metal salt solution anion analysis, including sample liquid storage bottle 1, autoinjection device 2, advection transfer pump I3, electrolysis micro-membrane inhibitor 4, reflux unit 5, automatic collection device 6, sample receiving flask 7 and electrical source controller 8, sample liquid storage bottle 1 is connected with electrolysis micro-membrane inhibitor 4 one end through autoinjection device 2, sample receiving flask 7 is connected with the other end of electrolysis micro-membrane inhibitor 4 through autoinjection device 6, advection transfer pump I3 sets up between autoinjection device 2 and electrolysis micro-membrane inhibitor 4, electrolysis micro-membrane inhibitor 4 is provided with a plurality ofly and is the series connection structure, reflux unit 5 installs on electrolysis micro-membrane inhibitor 4, electrical source controller 8 is connected with electrolysis micro-membrane inhibitor 4 electricity. The electrolytic micro-membrane suppressor 4 is an anionic electrolytic micro-membrane suppressor SH-a-Y-06 of this company. A plurality of electrolytic micro-film suppressors 4 are arranged and are arranged in a series structure; according to the test results, the series structure of the electrolytic micro-membrane suppressor 4 is arranged, so that the processing speed and the processing time can be improved, the working efficiency is improved, more importantly, the removal efficiency of metal ions can be enhanced, and the detection precision is improved. Experiments prove that when the concentration of metal ions in the solution is 0.5mol/L, the removal efficiency of the metal ions of a single suppressor can reach more than 92%, the series effect of two suppressors can reach 98%, and the series effect of three suppressors can reach more than 99%.
The pretreatment device provided by the utility model has the advantages of convenient use, long service life, repeated use and application cost reduction; the method can effectively remove metal ions in the complex solution and simultaneously effectively retain anions, has high metal ion removal efficiency and high anion recovery rate, and can meet the detection requirement of electrode materials on the high-precision detection of the anions in the battery industry. Additionally, the utility model provides a preceding processing apparatus can once handle a plurality of samples, and check-out time is short, and the treatment effeciency is high.
On the basis of the above technical solution, as shown in fig. 2, the automatic sample feeding device 2 includes a sample feeding solenoid valve 21 and a sample feeding valve cutter 22, the sample feeding solenoid valve 21 is provided with a sample feeding port 211, a sample feeding channel 212 and a flushing port 213, the head end of the sample feeding port 211 is communicated with the sample feeding channel 212 or the flushing port 213, the tail end is communicated with the electrolytic micro-membrane suppressor 4, one end of the sample feeding channel 212 is connected with the sample liquid storage bottle 1, and the flushing port 213 is connected with the flushing bottle 9; one end of the sample injection valve cutter 22 is electrically connected with the sample injection electromagnetic valve 21.
On the basis of the above technical solution, as shown in fig. 3, the automatic collection device 6 includes a sample outlet solenoid valve 61 and a sample outlet valve cutter 62, the sample outlet solenoid valve 61 is provided with a sample outlet 611, a sample outlet channel 612 and a waste liquid port 613, the head end of the sample outlet 611 is communicated with the electrolytic micro-membrane suppressor 4, the tail end of the sample outlet 611 is communicated with the sample outlet channel 612 or the waste liquid port 613, the sample outlet channel 612 is connected with the sample collection bottle 7, and the waste liquid port 613 is connected with the waste liquid bottle 10; one end of the sample outlet valve cutter 62 is electrically connected with the sample outlet electromagnetic valve 61.
It should be noted that the above mentioned head end and tail end are defined according to the direction of the liquid flowing in the processing system, and are not intended to limit the inventive concept in this application. It should be further understood that the same sample cut valve device 22 of the automatic sample feeding device 2 and the same sample cut valve device 62 of the automatic sample discharging device 6 can be used, so that the structure of the whole processing device can be more compact, that is, one end of the valve cut device is electrically connected with the sample feeding solenoid valve 21, and the other end is electrically connected with the sample discharging solenoid valve 61.
By arranging the sample injection solenoid valve 2, the sample outlet solenoid valve 4 and the valve cutting device to be used together, and switching the combination modes of the sample injection channel 212, the flushing port 213, the sample outlet channel 612, the waste liquid port 613 and the like, the automatic flushing, automatic sample injection and automatic collection processes of the treatment system can be realized, the use is more convenient, and the treatment efficiency is high; the current in the treatment system can be adjusted by arranging the power controller 8, so that more optimized removal treatment conditions for metal ions are realized, and the detection precision of anion analysis is better improved.
On the basis of the technical scheme, the reflux device 5 comprises a regeneration liquid bottle 51 and an advection infusion pump II52, the regeneration liquid bottle 51 is connected at the inlet of a regeneration liquid channel of the electrolytic micro-membrane suppressor 4, and the advection infusion pump II52 is arranged between the regeneration liquid bottle 51 and the electrolytic micro-membrane suppressor 4. The arrangement of the reflux device 5 and the advection liquid conveying pump II52 can provide the regeneration liquid with stable and adjustable flow rate for the electrolytic micro-membrane suppressor 4, thereby obtaining a more preferable treatment process for removing metal ions and more effectively improving the detection precision.
On the basis of the technical scheme, the sample liquid storage bottle 1 and the sample collecting bottle 7 are both provided with a plurality of sample liquid storage bottles. On the basis of the technical scheme, the number of the sample inlet channels 212 is matched with that of the sample storage bottles 1, and the number of the sample outlet channels 612 is matched with that of the sample collection bottles 7. By the arrangement, a plurality of samples can be installed at one time and processed, so that time is saved, and pretreatment efficiency is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a preceding processing apparatus for high concentration metal salt solution anion analysis, its characterized in that includes sample liquid storage bottle (1), autoinjection device (2), advection transfer pump I (3), electrolysis micro-membrane inhibitor (4), reflux unit (5), automatic collection device (6), sample receiving flask (7) and electrical source controller (8), sample liquid storage bottle (1) is connected with electrolysis micro-membrane inhibitor (4) one end through autoinjection device (2), sample receiving flask (7) are connected with the other end of electrolysis micro-membrane inhibitor (4) through automatic collection device (6), advection transfer pump I (3) set up between autoinjection device (2) and electrolysis micro-membrane inhibitor (4), electrolysis micro-membrane inhibitor (4) are provided with a plurality ofly and are the serial structure, reflux unit (5) are installed on electrolysis micro-membrane inhibitor (4), the power supply controller (8) is electrically connected with the electrolytic micro-film suppressor (4).
2. The pretreatment device for anion analysis of high concentration metal salt solution according to claim 1, wherein the automatic sample injection device (2) comprises a sample injection solenoid valve (21) and a sample injection valve cutter (22), the sample injection solenoid valve (21) is provided with a sample injection port (211), a sample injection channel (212) and a flushing port (213), the head end of the sample injection port (211) is communicated with the sample injection channel (212) or the flushing port (213), the tail end of the sample injection port is communicated with the electrolytic micro-membrane suppressor (4), one end of the sample injection channel (212) is connected with the sample storage bottle (1), and the flushing port (213) is connected with the flushing bottle (9); one end of the sample injection valve cutter (22) is electrically connected with the sample injection electromagnetic valve (21).
3. The pretreatment apparatus for anion analysis of high concentration metal salt solution according to claim 2, wherein the automatic collection apparatus (6) comprises a sample outlet solenoid valve (61) and a sample outlet valve cutter (62), the sample outlet solenoid valve (61) is provided with a sample outlet (611), a sample outlet channel (612) and a waste liquid outlet (613), the head end of the sample outlet (611) is communicated with the electrolytic micro-membrane suppressor (4), the tail end of the sample outlet (611) is communicated with the sample outlet channel (612) or the waste liquid outlet (613), the sample outlet channel (612) is connected with the sample collection bottle (7), and the waste liquid outlet (613) is connected with the waste liquid bottle (10); one end of the sample outlet valve cutter (62) is electrically connected with the sample outlet electromagnetic valve (61).
4. The pretreatment apparatus for anion analysis of high concentration metal salt solution according to claim 1, wherein the reflux apparatus (5) comprises a regeneration liquid bottle (51) and an advection liquid pump II (52), the regeneration liquid bottle (51) is connected to the inlet of the regeneration liquid channel of the electrolytic micro-membrane suppressor (4), and the advection liquid pump II (52) is arranged between the regeneration liquid bottle (51) and the electrolytic micro-membrane suppressor (4).
5. The pretreatment apparatus for anion analysis of high concentration metal salt solution according to claim 1, wherein a plurality of sample storage bottles (1) and sample collection bottles (7) are provided.
6. The pretreatment apparatus according to claim 3, wherein the number of the sample inlet channels (212) is matched with the number of the sample storage bottles (1), and the number of the sample outlet channels (612) is matched with the number of the sample collection bottles (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447242.0U CN215066395U (en) | 2021-03-02 | 2021-03-02 | Pretreatment device for high-concentration metal salt solution anion analysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447242.0U CN215066395U (en) | 2021-03-02 | 2021-03-02 | Pretreatment device for high-concentration metal salt solution anion analysis |
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| CN215066395U true CN215066395U (en) | 2021-12-07 |
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| CN202120447242.0U Active CN215066395U (en) | 2021-03-02 | 2021-03-02 | Pretreatment device for high-concentration metal salt solution anion analysis |
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