CN203025145U - Detection pool system for interface electrochemical reaction - Google Patents
Detection pool system for interface electrochemical reaction Download PDFInfo
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- CN203025145U CN203025145U CN 201220613384 CN201220613384U CN203025145U CN 203025145 U CN203025145 U CN 203025145U CN 201220613384 CN201220613384 CN 201220613384 CN 201220613384 U CN201220613384 U CN 201220613384U CN 203025145 U CN203025145 U CN 203025145U
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Abstract
The utility model relates to a detection pool system for an interface electrochemical reaction. The detection pool system comprises a detection pool main body, a working electrode, a reference electrode and a counter electrode, wherein the detection pool main body is provided with a main liquid storage cavity, two reference electrode/counter electrode insertion cavities, a liquid feeding hole, an upper liquid discharging hole and a lower liquid discharging hole; an inverted cone body is arranged at the bottom of the main liquid storage cavity, the bottoms of the two reference electrode/counter electrode insertion cavities are communicated with the bottom of the main liquid storage cavity, the liquid feeding hole is formed in the top of the detection pool main body and is communicated with the upper part of the main liquid storage cavity, the upper liquid discharging hole is formed in the side wall of the waist part of the main liquid storage cavity, the lower liquid discharging hole is formed in the bottom of the main liquid storage cavity, the working electrode is placed in the main liquid storage cavity, and the reference electrode and the counter electrode are respectively placed in the two reference electrode/counter electrode insertion cavities. The detection pool system can be used in a scientific research instrument involved in the interface electrochemical reaction, especially a three-phase electrode system, and also can be used in an online monitoring system based on the interface electrochemical reaction.
Description
Technical field
The utility model relates to a kind of detection cell system of electric analysis Instrument, is specifically related to a kind of detection cell system for the interfacial electrochemistry reaction.
Background technology
The electrochemical analysis technology is simple, with low cost because of its instrument, and operation maintenance facilitates grade and is widely used in laboratory routine analysis detection and on-line environmental monitoring.Wherein, the example that is most widely used is the voltamograph that detects for the laboratory constant, and the heavy metal on-line monitoring instrument that is used for the monitoring of water quality heavy metal.Particularly be asserted standard online test method (as U.S. EPA 7198,7063 etc.) by a plurality of countries such as America and Europes based on anodic stripping voltammetry.Along with the generation of the Mass disturbance that causes because of heavy metal pollution in recent years is more and more frequent, and country is to the not only enhancing of heavy metal pollution management, will be more and more universal based on electrochemical on-line monitoring instrument.
The object of various its detections of inspection apparatus is aqueous solution substantially, and its corresponding Electrochemical Detection cell system is also comparatively simple.Although at present the designed detection cell of different instrument manufacturers is different on the market, but its basic structure is consistent:: detection cell is generally cup-shaped, the detection cell bottom is inverted cone, establish leakage fluid dram bottom detection cell, detection cell top wall is distributed with filling opening, and working electrode, contrast electrode and to electrode from the detection cell top or the bottom be inserted into detection cell inside.The part detection cell also is furnished with the functions such as ventilation and/or magnetic agitation.These detection cell structures are comparatively simple, can satisfy the need take aqueous medium or single-phase liquid as the analyzing and testing of object.
Recently, studies show that more and more the interfacial electrochemistry reaction can be used for carrying out analyzing and testing, the part Study achievement enters the practical stage, and this will greatly expand the traditional field that electroanalysis detects.Yet interfacial electrochemistry reaction relates to two-phase liquid, and three phase boundary if the Electrochemical Detection process must be completed online, also relates to the structure of the adding of two-phase fluid, discharge and three phase boundary etc.Therefore, the detection cell system that is applicable to common single-phase liquid electrode reaction no longer is applicable to the interfacial electrochemistry reaction system, and not yet finds to be exclusively used on the market at present the detection cell system of interfacial electrochemistry reaction.
Summary of the invention
The purpose of this utility model is to provide a kind of detection cell system for the interfacial electrochemistry reaction, this detection cell system can control the interpolation of mutual exclusive two-phase fluid easily, be conducive to the structure at three-phase electricity chemical reaction interface and the discharging of waste liquid, also be conducive to the maintenance of electrode and replacing etc.
the purpose of this utility model is to be achieved through the following technical solutions: a kind of detection cell system for the interfacial electrochemistry reaction, comprise the detection cell main body, working electrode, contrast electrode and to electrode, described detection cell main body has main reservoir compartment, two contrast electrodes/electrode is assigned the chamber, filling opening, upper leakage fluid dram and lower leakage fluid dram, the bottom of described main reservoir compartment is inverted cone, described two contrast electrodes/chamber of assigning of electrode is communicated with the bottom of main reservoir compartment in the bottom, described filling opening is opened in the top of detection cell main body and is communicated with the top of main reservoir compartment to downward-extension, liquid enters main reservoir compartment from filling opening, then enter contrast electrode/electrode is assigned the chamber, described upper leakage fluid dram is arranged on the sidewall of described main reservoir compartment waist, for the liquid level that is connected with pump to discharge upper solution and adjust lower floor's solution, described lower leakage fluid dram is positioned at the bottom of main reservoir compartment, be used for being connected to discharge with pump lower floor's solution, described working electrode is placed in main reservoir compartment, described contrast electrode and electrode is placed in respectively two contrast electrodes/electrode is assigned in the chamber.
Described main reservoir compartment and two contrast electrodes/assign the chamber to arrange side by side to electrode, described main reservoir compartment is at described two contrast electrodes/electrode is assigned between the chamber, described filling opening is several, take main reservoir compartment, two contrast electrodes/electrode is assigned the line of centres of the opening in chamber be symmetrically distributed in the periphery of described main reservoir compartment as axis of symmetry.
Two contrast electrodes described in the utility model/assign the bottom in chamber to be communicated with the bottom of main reservoir compartment by a ramp way respectively to electrode are confluxing in the bottom of main reservoir compartment liquid naturally under the self gravitation effect, be convenient to the discharging of liquid.
The utility model can be done following improvement: an end of described ramp way stretches out and form the passway on the sidewall in described contrast electrode/electrode is assigned chamber along axis direction wherein, the place is provided with dismountable plug in described passway, in order to the described passway of shutoff, avoid the seepage of solution in the detection cell system work process, and when cleaning, can extract the ramp way that plug cleans the bottom of detecting.
The utility model also can be done following improvement: be respectively equipped with vent port on the sidewall in described two contrast electrodes/electrode is assigned chambeies, chamber is communicated with atmosphere, prevent that the inside and outside pressure reduction that forms from stoping the liquid natural flow.Described vent port is located near contrast electrode/electrode is assigned on the sidewall at upper port place, chamber, described main reservoir compartment top is provided with the air hole that directly is communicated with described main reservoir compartment, main reservoir compartment is communicated with atmosphere, prevent that the inside and outside pressure reduction that forms from stoping the liquid natural flow.
in the utility model, the top of described main reservoir compartment is provided with the working electrode mounting groove, described working electrode comprises electrode, binding post and is set in bracing frame on binding post, the bracing frame of described working electrode is adaptive to be arranged in described working electrode mounting groove, thereby described working electrode is placed in main reservoir compartment, and its electrode is positioned at main reservoir compartment and does not contact with cavity bottom, described two contrast electrodes/assign top of chamber to be equipped with contrast electrode/to the electrode mounting groove to electrode, described contrast electrode comprises electrode, binding post and the bracing frame that is set on binding post, described contrast electrode adaptive one of them contrast electrode/in the electrode mounting groove of being arranged on of bracing frame, described contrast electrode is placed in contrast electrode/electrode is assigned in the chamber, its electrode is positioned at chamber and does not contact with cavity bottom, described electrode is comprised electrode, binding post and the bracing frame that is set on binding post, described bracing frame to electrode is adaptive is arranged on another contrast electrode/in the electrode mounting groove, with described, electrode is placed in contrast electrode/electrode is assigned in the chamber, its electrode is positioned at chamber and does not contact with cavity bottom.
As an embodiment of the present utility model: described main reservoir compartment top is provided with syndeton, the top cover that this syndeton removably connects for the opening with described main reservoir compartment, the mounting groove of described working electrode is located at the top cover top, and described air hole is arranged on described top cover.In this embodiment, described top cover is removably installed the opening part of described main reservoir compartment, when cleaning, only needs top cover is unloaded, and can clean main reservoir compartment.
The utility model can be done following improvement: be provided with two sections arc grooves that are used for turning operation on described top cover, these two sections arc grooves are symmetrically distributed on the end face of top cover as axis of symmetry take the diameter of top cover.
The opening at described top cover and described main reservoir compartment top is threaded connection.
Described working electrode, contrast electrode and the bracing frame of electrode is threaded connection with each self-corresponding mounting groove respectively.
Detection cell main body described in the utility model adopts anticorrosive to be prepared from, and described anticorrosive is teflon, organic glass etc.
The electrode of working electrode described in the utility model is as the tinsels such as gold, platinum.
Compared with prior art, the utlity model has following beneficial effect:
1. main reservoir compartment and two contrast electrodes/electrode is assigned the chamber are set on detection cell main body of the present utility model, working electrode, contrast electrode, electrode is modularization, just directly inserts in chamber and can build the three phase boundary that carries out the interfacial electrochemistry reaction with the liquid that adds in detection cell.This detection cell system can be used for relating to interfacial electrochemistry and reacts the especially scientific research apparatus of three-phase electrode system, and based on the on-line monitoring system of interfacial electrochemistry reaction.
2. detection cell main body of the present utility model is provided with main reservoir compartment and two contrast electrodes that are communicated with main reservoir compartment in the bottom/electrode is assigned the chamber, allow working electrode, contrast electrode and electrode is positioned at different chambers, avoid contrast electrode and electrode is contacted with oil phase.
The interfacial electrochemistry reaction relates to two-phase liquid: upper solution is oil phase, and lower floor's solution is water.And at work, contrast electrode be to contact with oil phase electrode, thereby, arrange three independently and the chamber that is interconnected, filling opening directly is communicated with main reservoir compartment, forms a linker, makes the water advanced person become owner of reservoir compartment, then enter again contrast electrode/electrode is assigned the chamber from the bottom, can avoid like this after the oil phase that adds enter contrast electrode/electrode is assigned in the chamber.
3. main reservoir compartment bottom of the present utility model and waist respectively arrange a leakage fluid dram, and under the bottom, leakage fluid dram is convenient in lower floor's solution that proportion is larger and pond all liq and is all discharged; The upper leakage fluid dram of waist is convenient to the upper solution discharge detection cell system that proportion is less, and this leakage fluid dram can be used for controlling lower floor's solution level height simultaneously.And adopt the structure of liquids double-rows mouth can realize organic phase waste liquid and water waste liquid are collected respectively.
Two contrast electrodes of the present utility model/assign the bottom in chamber to be communicated with the bottom of main reservoir compartment by a ramp way respectively to electrode, liquid is being confluxed under the self gravitation effect naturally at the bottom of the back taper of main reservoir compartment, be convenient to the discharging of liquid, and it is residual also not have solution.Dismountable plug is established in the passway of ramp way, in order to the shutoff passway, avoids the seepage of solution in the detection cell system work process, and when cleaning, can extract the ramp way that plug cleans the bottom of detecting.
4. the opening part of main reservoir compartment of the present utility model arranges top cover, and this top cover is for the syndeton that is connected with working electrode, and top cover removably is connected with the opening of main reservoir compartment, when cleaning, only needs top cover is unloaded, and can clean main reservoir compartment.
5. the interfacial electrochemistry reaction relates to two-phase liquid, wherein water often relates to strong acid and strong base, oil phase is often solution as stronger in corrosivity such as acetone, chloroforms, therefore, its corresponding detection cell main body must have the ability of acid and alkali resistance preferably, organic solvent corrosion, needs to adopt anticorrosive processing.The utility model preferably adopts teflon, polytetrafluoroethylmaterial material has very good acid and alkali resistance and the ability of organic solvent, utilizes the detection cell main body of this materials processing can effectively overcome the defective that other material detection cell main bodys do not tolerate part soda acid and organic solvent.
6. the electrode of working electrode of the present utility model is as the tinsels such as gold, platinum, this tinsel vertically passes the interface that the up and down two phase liquid forms, utilize the three phase boundary of tinsel and two-phase interface formation as the place of interfacial electrochemistry generation, very convenient by the three phase boundary that this mode forms.
Working electrode of the present utility model, contrast electrode, electrode all removably is fixed in corresponding chamber, install, safeguard with replacing all very convenient.
Description of drawings
Fig. 1 is detection cell main body side sectional view.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the vertical view of detection cell main body.
1. the detection cell main body, 2. go up leakage fluid dram, 3. descends leakage fluid dram, 4. filling opening, 5. top cover, 6. holding nut, 7. the binding post of working electrode 8. turns the arc groove of operation, 9. electrode, 10. main reservoir compartment, 11. air hole, 12. contrast electrodes/electrode is assigned the chamber, 13. plugs, 14. contrast electrode/to the electrode mounting groove, 15. vent ports.
Embodiment
The detection cell system that is used for the interfacial electrochemistry reaction shown in Fig. 1 ~ 3 is an embodiment of the present utility model, and it is by detection cell main body 1, working electrode, contrast electrode and electrode is consisted of.Wherein, detection cell main body 1 adopts teflon to process.Detection cell main body 1 has main reservoir compartment 10, two contrast electrodes/electrode is assigned chamber 12,6 filling openings 4, upper leakage fluid dram 2 and lower leakage fluid drams 3.Main reservoir compartment 10, two contrast electrodes/assign chamber 12 to arrange side by side to electrode.Main reservoir compartment 10 is the cylindrical cavity of inverted cone for the bottom.Two contrast electrodes/chamber 12 of assigning of electrode is communicated with by a ramp way respectively with the bottom of main reservoir compartment 10 in the bottom are confluxing at the bottom of the back taper of main reservoir compartment 10 liquid naturally under the self gravitation effect, be convenient to the discharging of liquid.The angle of ramp way and surface level is 15 degree.One end of ramp way stretches out and form the passway on the sidewall of detection cell main body 1 along axis direction wherein, the place is provided with dismountable plug 13 in the passway, in order to the shutoff passway, avoid the seepage of solution in the detection cell system work process, and when cleaning, can extract the ramp way that plug 13 cleans the bottom of detecting.6 filling openings 4 are opened in the top of detection cell main body 1, and take the line of centres of the opening in main reservoir compartment 10, two contrast electrodes/electrode is assigned chamber 12 as axis of symmetry is symmetrically distributed in main reservoir compartment 10 peripheries, these 6 filling openings and two contrast electrodes/to electrode assign chamber 12 to form to take in the center of circle of main reservoir compartment 10 as the concentric circles in the center of circle.Each filling opening 4 is tilted to downward-extension and is communicated with the top of main reservoir compartment 10, and the axis of filling opening 4 and the angle of surface level are 30 degree, and liquid enters main reservoir compartment 10 from filling opening, then enters contrast electrode/electrode is assigned chamber 12.Upper leakage fluid dram 2 is located on the sidewall of waist of main reservoir compartment 10, is used for being connected to discharge upper solution with pump and adjusting lower floor's solution level height.Lower leakage fluid dram 3 is located on the sidewall of bottom of main reservoir compartment 10, is positioned at the below of leakage fluid dram 2, and flushes with at the bottom of the inverted-cone shape of main reservoir compartment 10, is used for being connected to discharge with pump lower floor's solution.The top of main reservoir compartment 10 is provided with the syndeton of installing for working electrode, this syndeton is a top cover 5, top cover 5 is connected with main reservoir compartment 10 open-top screw threads, top cover 5 is provided with air hole 11 and is used for installment work electrode mounting groove, be provided with two sections arc grooves 8 that are used for turning operation on top cover 5, these two sections arc grooves 8 are symmetrically distributed on the end face of top cover 5 as axis of symmetry take the diameter of top cover 5.Air hole 11 communicates with atmosphere and prevents that the inside and outside pressure reduction that forms from stoping the liquid natural flow.Working electrode comprises electrode 9, binding post 7 and is set in bracing frame on binding post, and the bracing frame of working electrode is holding nut 6, and electrode 9 is gold or platinum silk.Holding nut 6 is fixed in the working electrode mounting groove of top cover 5 by screw thread, thereby described working electrode is placed in main reservoir compartment 10, and 9, its electrode is positioned at main reservoir compartment 10 and electrode 9 does not contact with the bottom of main reservoir compartment 10, and binding post 7 is positioned at main reservoir compartment 10 outsides.Two contrast electrodes/assign 12 tops, chamber to be equipped with contrast electrode/to the electrode mounting groove to electrode, contrast electrode and the bracing frame of electrode is holding nut, be fixed on contrast electrode/in the electrode mounting groove by screw thread respectively, contrast electrode and to the electrode of electrode be positioned at contrast electrode/to electrode assign chamber 12, binding post is positioned at outside chamber.Be respectively equipped with on the sidewall in two contrast electrodes/electrode is assigned chamber and contrast electrode/electrode is assigned the contrast electrode that the chamber is communicated with/to electrode vent port 15.This contrast electrode/electrode vent port 15 is located near contrast electrode/electrode is assigned 12 upper port places, chamber.Contrast electrode comprises electrode, binding post and is set in bracing frame on binding post, the bracing frame of contrast electrode is holding nut, be fixed therein a contrast electrode/in the electrode mounting groove by screw thread, contrast electrode is placed in contrast electrode/electrode is assigned in the chamber, and its electrode is positioned at chamber and electrode does not contact with cavity bottom.Electrode is comprised electrode, binding post and is set in bracing frame on binding post, bracing frame to electrode is holding nut, be fixed on another contrast electrode/in the electrode mounting groove by screw thread, to be placed in contrast electrode/electrode is assigned in the chamber to electrode, its electrode is positioned at chamber and does not contact with cavity bottom.
The above is only preferred embodiment of the present utility model for the utility model, be not limited to the utility model, although with reference to previous embodiment, the utility model is had been described in detail, for a person skilled in the art, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. one kind is used for the detection cell system that interfacial electrochemistry reacts, comprise the detection cell main body, working electrode, contrast electrode and to electrode, it is characterized in that, described detection cell main body has main reservoir compartment, two contrast electrodes/electrode is assigned the chamber, filling opening, upper leakage fluid dram and lower leakage fluid dram, the bottom of described main reservoir compartment is inverted cone, described two contrast electrodes/chamber of assigning of electrode is communicated with the bottom of main reservoir compartment in the bottom, described filling opening is opened in the top of detection cell main body and is communicated with the top of main reservoir compartment to downward-extension, liquid enters main reservoir compartment from filling opening, then enter contrast electrode/electrode is assigned the chamber, described upper leakage fluid dram is arranged on the sidewall of described main reservoir compartment waist, for the liquid level that is connected with pump to discharge upper solution and adjust lower floor's solution, described lower leakage fluid dram is positioned at the bottom of main reservoir compartment, be used for being connected to discharge with pump lower floor's solution, described working electrode is placed in main reservoir compartment, described contrast electrode and electrode is placed in respectively two contrast electrodes/electrode is assigned in the chamber.
2. the detection cell system for interfacial electrochemistry reaction according to claim 1, it is characterized in that, described main reservoir compartment and two contrast electrodes/assign the chamber to arrange side by side to electrode, described main reservoir compartment is at described two contrast electrodes/electrode is assigned between the chamber, described filling opening is several, take main reservoir compartment, two contrast electrodes/electrode is assigned the line of centres of the opening in chamber be symmetrically distributed in the periphery of described main reservoir compartment as axis of symmetry.
3. the detection cell system for interfacial electrochemistry reaction according to claim 1, it is characterized in that, described two contrast electrodes/assign the bottom in chamber to be communicated with the bottom of main reservoir compartment by a ramp way respectively to electrode, liquid is being confluxed in the bottom of main reservoir compartment under the self gravitation effect naturally, be convenient to the discharging of liquid.
4. the detection cell system for interfacial electrochemistry reaction according to claim 3, it is characterized in that, one end of described ramp way stretches out and form the passway on the sidewall in described contrast electrode/electrode is assigned chamber along axis direction wherein, the place is provided with dismountable plug in described passway, in order to the described passway of shutoff.
5. according to claim 1 and 2 or 3 or 4 described detection cell systems for interfacial electrochemistry reaction, it is characterized in that, be respectively equipped with on the sidewall in described two contrast electrodes/electrode is assigned chamber and contrast electrode/to the vent port that electrode assigns the chamber to be communicated with, described vent port is located near contrast electrode/electrode is assigned upper port place, chamber; Described main reservoir compartment top is provided with the air hole that directly is communicated with described main reservoir compartment.
6. the detection cell system for interfacial electrochemistry reaction according to claim 5, it is characterized in that, the top of described main reservoir compartment is provided with the working electrode mounting groove, described working electrode comprises electrode, binding post and is set in bracing frame on binding post, the bracing frame of described working electrode is adaptive to be arranged in described working electrode mounting groove, thereby described working electrode is placed in main reservoir compartment, and its electrode is positioned at main reservoir compartment and does not contact with cavity bottom, described two contrast electrodes/assign top of chamber to be equipped with contrast electrode/to the electrode mounting groove to electrode, described contrast electrode comprises electrode, binding post and the bracing frame that is set on binding post, described contrast electrode adaptive one of them contrast electrode/in the electrode mounting groove of being arranged on of bracing frame, described contrast electrode is placed in contrast electrode/electrode is assigned in the chamber, its electrode is positioned at chamber and does not contact with cavity bottom, described electrode is comprised electrode, binding post and the bracing frame that is set on binding post, described bracing frame to electrode is adaptive is arranged on another contrast electrode/in the electrode mounting groove, with described, electrode is placed in contrast electrode/electrode is assigned in the chamber, its electrode is positioned at chamber and does not contact with cavity bottom.
7. the detection cell system for interfacial electrochemistry reaction according to claim 6, it is characterized in that, described main reservoir compartment top is provided with syndeton, the top cover that this syndeton removably connects for the opening with described main reservoir compartment, the mounting groove of described working electrode is located at the top cover top, and described air hole is arranged on described top cover.
8. the detection cell system for interfacial electrochemistry reaction according to claim 7, it is characterized in that, be provided with two sections arc grooves that are used for turning operation on described top cover, these two sections arc grooves are symmetrically distributed on the end face of top cover as axis of symmetry take the diameter of top cover.
9. according to claim 7 or 8 described detection cell systems for interfacial electrochemistry reaction, it is characterized in that, described top cover is connected with the open-top screw thread at described main reservoir compartment top, described working electrode, contrast electrode and the bracing frame of electrode is threaded with each self-corresponding mounting groove respectively.
10. the detection cell system for the interfacial electrochemistry reaction according to claim 1, is characterized in that, described detection cell main body adopts anticorrosive to be prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220613384 CN203025145U (en) | 2012-11-20 | 2012-11-20 | Detection pool system for interface electrochemical reaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220613384 CN203025145U (en) | 2012-11-20 | 2012-11-20 | Detection pool system for interface electrochemical reaction |
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| CN203025145U true CN203025145U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220613384 Withdrawn - After Issue CN203025145U (en) | 2012-11-20 | 2012-11-20 | Detection pool system for interface electrochemical reaction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980921A (en) * | 2012-11-20 | 2013-03-20 | 广东电网公司电力科学研究院 | Detection tank system for interface electrochemical reaction |
-
2012
- 2012-11-20 CN CN 201220613384 patent/CN203025145U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980921A (en) * | 2012-11-20 | 2013-03-20 | 广东电网公司电力科学研究院 | Detection tank system for interface electrochemical reaction |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20141015 |
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| RGAV | Abandon patent right to avoid regrant |