CN101788523A - On-line detecting device of electrochemical process product - Google Patents
On-line detecting device of electrochemical process product Download PDFInfo
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- CN101788523A CN101788523A CN201010103996A CN201010103996A CN101788523A CN 101788523 A CN101788523 A CN 101788523A CN 201010103996 A CN201010103996 A CN 201010103996A CN 201010103996 A CN201010103996 A CN 201010103996A CN 101788523 A CN101788523 A CN 101788523A
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Abstract
The invention relates to an on-line detecting device of an electrochemical process product, comprising a working electrode (7), a reference electrode (10) and an auxiliary electrode (12). The on-line detecting device is characterized in that the working electrode (7) is fixed on a fixed plate (2); the reference electrode (10) and the auxiliary electrode (12) are installed in an electrolytic bath (3) and positioned by a supporting frame (9); the electrolytic bath (3) is fixedly installed on the fixed plate (2); a through hole (18) which enables an electrolyte to flow to the working electrode (7) is processed on the electrolytic bath (3); one end of an incident optical fiber (14) and one end of a reflective optical fiber (16) are both arranged in an optical fiber (13) in a penetrating way; the lower ends of the incident optical fiber (14) and the reflective optical fiber (16) and the lower end of the optical fiber (13) pass through the supporting frame (9) and extend into the through hole (18) together and are opposite to the upper surface of the working electrode (7); an incident light source (15) is installed on one end where the incident optical fiber (14) is positioned outside the optical fiber (13); and a detector (17) is installed on one end where the reflective optical fiber (16) is positioned outside the optical fiber (13). The invention has simple structure, is easy to realize and solves the difficulty of on-line detection for related detection items.
Description
Technical field
The present invention relates to a kind of chemical reaction equipment, but the pick-up unit of especially a kind of online observation Electroanalytical Chemistry and analytical chemistry course of reaction, specifically a kind of on-line detecting device of electrochemical process product.
Background technology
As everyone knows, electrochemical analysis method becomes the universal method of environmental monitoring day by day, and various electrochemistry detecting apparatus, different Study of Electrochemical Sensors increase day by day.Adopt electrochemical method combining nano technology, realize arsenic, fluorine, the selective adsorption of heavy metal high power capacity, thereby utilize leaching to detect.Electrochemical method can be handled micro-polluted water in conjunction with mixing the canopy diamond film electrode simultaneously, reaches to detect and handle incorporate purpose.Though it is so many that electrochemical method is used, the fundamental research of present various electrochemical process and electrochemical treatment is also a lot, and the research of the various reaction product in the on-line measurement electrochemical process seldom.Though the infrared and uv measurement reaction product of research and utilization is arranged, and near the integrated approach research work electrode surface almost there is not the method for reaction system product.
At present for various electrochemical process, especially galvanochemistry sewage disposal process, off-line method is mainly adopted in research for electrochemical process product, seldom in conjunction with Flow Injection Analysis and chromatographic technique or the online analysis of carrying out the reaction system product of high-efficient liquid phase chromatogram technology coupling.
Summary of the invention
The objective of the invention is at the problem that lacks the electrochemical reaction on-line measuring device at present, design a kind of electrolytic cell that is applied to the sheet working electrode, while integrated optical fiber spectral detection, near the composition of the solution can the on-line determination electrode, thereby can determine near the actual response electrode, the on-line detecting device of electrochemical process product of detection means is provided for research galvanochemistry basis.
Technical scheme of the present invention is:
A kind of on-line detecting device of electrochemical process product, comprise working electrode 7, reference electrode 10 and auxiliary electrode 12, it is characterized in that described working electrode 7 is fixed on the fixed head 2, reference electrode 10, auxiliary electrode 12 are installed in the electrolytic cell 3 and by support 9 and locate, electrolytic cell 3 is fixedly mounted on the fixed head 2, be processed with on the electrolytic cell 3 and make electrolytic solution lead to the through hole 18 of working electrode 7, the O-ring seal 8 that prevents solution leakage is installed on the faying face of electrolytic cell 3 and fixed head 2; One end of incident optical 14 and mirror based fiber optica 16 all is installed in the optical fiber 13, and their lower end and the lower end of optical fiber 13 are passed together that support 9 stretches in the described through hole 18 and be relative with the upper surface of working electrode 7; Incident optical 14 is positioned on optical fiber 13 end outward incident light source 15 is installed, and mirror based fiber optica 16 is positioned on optical fiber 13 end outward detecting device 17 is installed.
Offer air hole 11 on the described support 9.
Described incident light source 15 is single LASER Light Source or light spectrometer, and described light spectrometer can provide detection light such as the ultraviolet light or the infrared light of specific wavelength.
On the described support 9 reference electrode 10 is installed also.
Described detecting device 17 is light spectrometer or the PMT (photomultiplier) in the high sensitivity fluorescence detector, the APD (avalanche photodide) that links to each other with computing machine.
Beneficial effect of the present invention:
The invention solves near the difficult problem of the solution composition of on-line determination electrode, can determine near the actual response that electrode is intuitively, for research galvanochemistry basis provides economical and practical detection means.
The present invention both can be connected with general electrochemical appliance also and can carry out electrolytic reaction to reaction system by what adopt two electrode systems in the mode of galvanochemistry three-electrode system, thereby detected the time dependent curve of electrolysate.
The present invention is simple in structure, is easy to realize that it can carry out various routines and special detection near the reaction system electrode.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1.
A kind of on-line detecting device of electrochemical process product, comprise working electrode 7, reference electrode 10 and auxiliary electrode 12, described working electrode 7 is fixed on the fixed head 2, reference electrode 10, auxiliary electrode 12 are installed in the electrolytic cell 3 and by support 9 and locate, electrolytic cell 3 is fixedly mounted on the fixed head 2, be processed with on the electrolytic cell 3 and make electrolytic solution lead to the through hole 18 of working electrode 7, the O-ring seal 8 that prevents solution leakage is installed on the faying face of electrolytic cell 3 and fixed head 2; One end of incident optical 14 and mirror based fiber optica 16 all is installed in the optical fiber 13, and their lower end and the lower end of optical fiber 13 are passed together that support 9 stretches in the described through hole 18 and be relative with the upper surface of working electrode 7; Incident optical 14 is positioned on optical fiber 13 end outward incident light source 15 is installed, and mirror based fiber optica 16 is positioned on optical fiber 13 end outward detecting device 17 is installed.On support 9, offer air hole 11.As shown in Figure 1, electrolytic cell 3 is linked together working electrode fixed head 2 and electrolytic cell 3 by set bolt 1,4,5,6, and working electrode 7 is connected with electrolytic cell 3 by O-ring seal 8.Reference electrode 10, auxiliary electrode 12 stretch in the electrolytic bath of electrolytic cell 3 by reference electrode support 9.The method that the on-line monitoring of electrochemical process adopts optical fiber to detect.Incident light source 15 detects by near the reaction system 13 pairs of working electrode surfaces of incident optical 14 incoming fiber optics, and reflected light inserts mirror based fiber optica 16 by optical fiber 13 and enters detecting device 17.Incident light source 15 is wherein looked into and is adopted single LASER Light Source or light spectrometer, should adopt the light spectrometer that the detection of specific wavelength light such as ultraviolet light or infrared light can be provided as the light spectrometer of incident light source 15.Detecting device 17 should adopt light spectrometer or the PMT (photomultiplier) in the high sensitivity fluorescence detector, the APD (avalanche photodide) that links to each other with computing machine.Detecting device 17 detected parameters are sent in the computing machine automatically and are handled, and obtain result under software control.
Utilize the project of the online detection that device of the present invention can carry out to mainly contain:
1, can carry out the detection of infrared, ultraviolet, Raman spectrum to the reaction product of working electrode surface in the electrochemical electrolysis process, thereby determine the mechanism of electrochemical electrolysis reaction system.
2, can carry out the detection of infrared, ultraviolet, Raman spectrum to the reaction product of working electrode surface in the galvanochemistry three-electrode system testing process, thereby determine the mechanism of electrochemical redox reaction system.
3, utilize transparent diamond electrode, can adopt transmission or method for reflection that diamond electrode reaction system product is monitored, thereby determine reaction mechanism from experimental viewpoint.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (5)
1. on-line detecting device of electrochemical process product, comprise working electrode (7), reference electrode (10) and auxiliary electrode (12), it is characterized in that described working electrode (7) is fixed on the fixed head (2), reference electrode (10), auxiliary electrode (12) is installed in the electrolytic cell (3) and by support (9) and locatees, electrolytic cell (3) is fixedly mounted on the fixed head (2), be processed with the through hole (18) that makes electrolytic solution lead to working electrode (7) on the electrolytic cell (3), the O-ring seal (8) that prevents solution leakage is installed on the faying face of electrolytic cell (3) and fixed head (2); One end of incident optical (14) and mirror based fiber optica (16) all is installed in the optical fiber (13), and their lower end and the lower end of optical fiber (13) are passed together that support (9) stretches in the described through hole (18) and be relative with the upper surface of working electrode (7); Incident optical (14) is positioned on the outer end of optical fiber (13) incident light source (15) is installed, and mirror based fiber optica (16) is positioned on the outer end of optical fiber (13) detecting device (17) is installed.
2. on-line detecting device of electrochemical process product according to claim 1 is characterized in that offering on the described support (9) air hole (11).
3. on-line detecting device of electrochemical process product according to claim 1 is characterized in that described incident light source (15) is single LASER Light Source or light spectrometer.
4. on-line detecting device of electrochemical process product according to claim 1 is characterized in that also being equipped with on the described support (9) reference electrode (10).
5. on-line detecting device of electrochemical process product according to claim 1 is characterized in that described detecting device (17) is the light spectrometer that links to each other with computing machine or PMT or the APD in the high sensitivity fluorescence detector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010103996A CN101788523A (en) | 2010-02-01 | 2010-02-01 | On-line detecting device of electrochemical process product |
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| CN201010103996A CN101788523A (en) | 2010-02-01 | 2010-02-01 | On-line detecting device of electrochemical process product |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389331A (en) * | 2013-08-07 | 2013-11-13 | 苏州扬清芯片科技有限公司 | Sealed electrolytic cell for ultraviolet-visible spectrum |
| CN104215624A (en) * | 2014-09-18 | 2014-12-17 | 浙江工业大学 | In-situ electrochemical-surface enhanced raman spectroscopy (EC-SERS) detection system and detection method thereof |
| CN104237201A (en) * | 2014-09-18 | 2014-12-24 | 浙江工业大学 | Electrochemical cell based on in-situ EC-SERS (electrochemical-surface enhanced raman scattering) spectrum chip and detection method of electrochemical cell |
| CN104458872A (en) * | 2014-12-17 | 2015-03-25 | 中国计量学院 | Device for measuring heavy metal ions in water |
| CN104502430A (en) * | 2014-12-26 | 2015-04-08 | 浙江清华长三角研究院萧山生物工程中心 | Seal Raman spectrum electrolytic cell |
| CN104695002A (en) * | 2013-12-05 | 2015-06-10 | 应用材料公司 | Closed loop electrolyte analyzer |
| CN104977334A (en) * | 2015-06-11 | 2015-10-14 | 中国科学院力学研究所 | Experiment device and method for measuring biological oxygen demand |
| CN105758906A (en) * | 2016-04-18 | 2016-07-13 | 青岛科技大学 | Electrochemical testing device |
| CN106645332A (en) * | 2017-01-12 | 2017-05-10 | 上海交通大学 | Electrochemical performance detection system and photoelectrochemical performance detection system |
| CN109211885A (en) * | 2017-06-29 | 2019-01-15 | 宁夏软件工程院有限公司 | A kind of electrolytic process manganese ion concentration measuring device and measurement method |
| CN110579520A (en) * | 2019-10-24 | 2019-12-17 | 蚌埠学院 | Method for monitoring quinone compound electro-oxidation reduction reaction process |
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| CN101004403A (en) * | 2006-12-22 | 2007-07-25 | 攀钢集团攀枝花钢铁研究院 | Electrolytic cell in use for electrochemical tests |
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| CN101004403A (en) * | 2006-12-22 | 2007-07-25 | 攀钢集团攀枝花钢铁研究院 | Electrolytic cell in use for electrochemical tests |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389331A (en) * | 2013-08-07 | 2013-11-13 | 苏州扬清芯片科技有限公司 | Sealed electrolytic cell for ultraviolet-visible spectrum |
| CN104695002A (en) * | 2013-12-05 | 2015-06-10 | 应用材料公司 | Closed loop electrolyte analyzer |
| CN104215624A (en) * | 2014-09-18 | 2014-12-17 | 浙江工业大学 | In-situ electrochemical-surface enhanced raman spectroscopy (EC-SERS) detection system and detection method thereof |
| CN104237201A (en) * | 2014-09-18 | 2014-12-24 | 浙江工业大学 | Electrochemical cell based on in-situ EC-SERS (electrochemical-surface enhanced raman scattering) spectrum chip and detection method of electrochemical cell |
| CN104458872B (en) * | 2014-12-17 | 2019-06-07 | 中国计量学院 | The device of heavy metal ion in a kind of measurement water |
| CN104458872A (en) * | 2014-12-17 | 2015-03-25 | 中国计量学院 | Device for measuring heavy metal ions in water |
| CN104502430A (en) * | 2014-12-26 | 2015-04-08 | 浙江清华长三角研究院萧山生物工程中心 | Seal Raman spectrum electrolytic cell |
| CN104977334A (en) * | 2015-06-11 | 2015-10-14 | 中国科学院力学研究所 | Experiment device and method for measuring biological oxygen demand |
| CN104977334B (en) * | 2015-06-11 | 2018-04-27 | 中国科学院力学研究所 | A kind of experimental provision and method for measuring BOD |
| CN105758906A (en) * | 2016-04-18 | 2016-07-13 | 青岛科技大学 | Electrochemical testing device |
| CN106645332A (en) * | 2017-01-12 | 2017-05-10 | 上海交通大学 | Electrochemical performance detection system and photoelectrochemical performance detection system |
| CN106645332B (en) * | 2017-01-12 | 2019-01-22 | 上海交通大学 | Chemical property detection system and photoelectrochemical behaviour detection system |
| CN109211885A (en) * | 2017-06-29 | 2019-01-15 | 宁夏软件工程院有限公司 | A kind of electrolytic process manganese ion concentration measuring device and measurement method |
| CN109211885B (en) * | 2017-06-29 | 2021-03-12 | 宁夏软件工程院有限公司 | Manganese ion concentration measuring equipment and method in electrolytic process |
| CN110579520A (en) * | 2019-10-24 | 2019-12-17 | 蚌埠学院 | Method for monitoring quinone compound electro-oxidation reduction reaction process |
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Application publication date: 20100728 |