CN214335071U - Industrial electrochemical electrode surface potential testing device - Google Patents
Industrial electrochemical electrode surface potential testing device Download PDFInfo
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- CN214335071U CN214335071U CN202023133600.5U CN202023133600U CN214335071U CN 214335071 U CN214335071 U CN 214335071U CN 202023133600 U CN202023133600 U CN 202023133600U CN 214335071 U CN214335071 U CN 214335071U
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Abstract
The utility model provides an industry electrochemistry electrode surface potential testing arrangement, includes the voltmeter of being connected with the electrode electricity that awaits measuring, and reference electrode is connected to the other end electricity of voltmeter, and reference electrode has the lujin capillary through the hose connection, is connected with the fender bracket at the glass head of lujin capillary, the fender bracket includes the protective surface that links to each other with the glass head, is equipped with three landing leg on the protective surface. The tip of landing leg is equipped with the fender bracket feeler, and the glass head of lujin capillary passes the protective surface of fender bracket, and the distance of glass head and fender bracket feeler is not less than the diameter of lujin capillary glass head. The device for accurately measuring the surface potential of the electrode on line in real time is convenient to operate, and can ensure that an operator can accurately judge the real-time service condition of the electrode in the use process of the electrode.
Description
Technical Field
The invention belongs to the field of electrochemical measurement, and relates to an industrial electrochemical electrode surface potential testing device.
Background
Electrochemistry is the science of studying the charged interface phenomena formed by two types of conductors and the changes that occur on them. Electrochemistry is widely applied to the scientific and technological fields of chemical industry, metallurgy, machinery, electronics, aviation, aerospace, light industry, instruments, medicine, materials, energy, metal corrosion and protection, environmental science and the like. Electrochemistry is the only discipline underlying the large industry. The application of the method is mainly applied to the electrolysis industry, wherein the chlor-alkali industry is the inorganic substance basic industry second only to the synthesis of ammonia and sulfuric acid; the smelting of light metals such as aluminum and sodium, and the refining of copper and zinc are all performed by an electrolytic method; the mechanical industry uses electroplating, electropolishing, electrocoating, etc. to accomplish the surface finish of the part; an electrode is a conductor of current into or out of the electrolyte during electrolysis. In the place where the electrolytic reaction occurs, the existence of the electrode is bound to be participated, the quality and the service condition of the electrode are the key directly related to whether the electrolytic reaction can be normally carried out, and the quality of the electrode can be judged only from the bath pressure of the electrolytic bath and/or the quality of the product at present, however, the method is not a very direct, reliable and convenient method for measuring whether the electrode is qualified or not and whether the electrode is normally operated or not in real time.
Disclosure of Invention
In order to solve the problems, the invention provides an industrial electrochemical electrode surface potential testing device, which is a device convenient to operate and capable of accurately measuring the surface potential of an electrode on line in real time, and can enable an operator to accurately judge the real-time service condition of the electrode in the electrode using process. Has good guiding significance for industrial production.
The technical scheme adopted by the invention is as follows:
the utility model provides an industry electrochemical electrode surface potential testing arrangement, includes the voltmeter of being connected with the electrode electricity that awaits measuring, and the reference electrode is connected to the other end electricity of voltmeter, and the reference electrode has lujin capillary through the hose connection.
Furthermore, a glass head of the Lujin capillary tube is connected with a protective frame.
Furthermore, the protection frame comprises a protection surface connected with the glass head, and three support legs are arranged on the protection surface.
Furthermore, the end part of the supporting leg of the protection frame is provided with a supporting corner of the protection frame.
Furthermore, the glass head of the luggin capillary tube penetrates through the protection surface of the protection frame, and the distance between the glass head and the contact angle of the protection frame is not less than the diameter of the glass head of the luggin capillary tube.
Further, the hose is made of a soft corrosion-resistant material.
The invention has the beneficial effects that:
1. the potential difference between the surfaces of the reference electrode and the electrode to be measured is directly measured, so that the surface potential of the electrode can be accurately measured, and the catalytic activity of the surface of the electrode can be reflected;
2. whether the electrode fails or at which stage can be judged according to data measured by a voltmeter;
3. the saturated potassium chloride solution is used for replacing other solutions with poor conductivity and liquid contact potential, so that the potential difference between the reference electrode and the electrode to be measured can be accurately measured;
the device can accurately measure the surface electrode potential in the working process of the electrode in real time through detection, so that a worker can know the service condition of the electrode in time.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus of the present invention. 1. The device comprises an electrode to be tested, 2, a voltmeter, 3, a reference electrode, 4, a hose, 5, a Roujin capillary tube, 6, a protective frame, 7 and a protective frame antenna.
Detailed Description
As shown in figure 1, the industrial electrochemical electrode surface potential testing device comprises a voltmeter 2 electrically connected with an electrode 1 to be tested, the other end of the voltmeter 2 is electrically connected with a reference electrode 3, and the reference electrode 3 is connected with a Rujin capillary 5 through a hose 4. The reference electrode acts as a reference for the overpotential at the surface of the test electrode. The Rujin capillary is mainly used for conducting solution on the surface of an electrode and a reference electrode, so that the potential between the reference electrode and the solution is eliminated.
The glass head of the lujin capillary 5 is connected with a protective frame 6. The protective frame is mainly used for protecting the hard glass head from scratching and damaging the electrode, and the main material is made of corrosion-resistant hard materials such as plastics. The protective frame 6 comprises a protective surface connected with the glass head, and three supporting legs are arranged on the protective surface. And a protective frame antenna 7 is arranged at the end part of the supporting leg of the protective frame 6. The feeler adopts corrosion-resistant soft material to make for steadily compress tightly the electrode surface that awaits measuring with the fender bracket, if hard to hard contact, then compress tightly with the electrode that awaits measuring all the time in order to guarantee the fender bracket, can keep great pressure, simultaneously, still can scratch the electrode surface.
The glass head of the luggin capillary 5 passes through the protection surface of the protection frame 6, and the distance between the glass head and the contact angle of the protection frame is not less than the diameter of the glass head of the luggin capillary. The hose 4 is made of a soft corrosion-resistant material. The connecting device is an important connecting movable part, and the whole loop is lengthened, so that the corresponding scene is more diversified.
When the device is used, an operator fills the robust gold capillary and the corrosion-resistant hose with a saturated potassium chloride solution to conduct the reference electrode and the electrolyte, then attaches a protective frame antenna at the position of the thin opening (glass head) of the robust gold capillary to a point to be measured on the surface of the electrode, and finally connects the voltmeter with the electrode to be measured and the reference electrode respectively and records the reading.
1L of sulfuric acid solution with the volume of 1M is prepared, a self-made water electrolysis device, an iridium tantalum titanium anode and a cathode are used for testing the surface electrode potential of the anode, the area of the anode is 100 square centimeters, a power supply is set to be constant current electrolysis, the current value is 2A, 10 points are taken through the test of the device, and the data records are shown in Table 1.
TABLE 1 surface electrode potential of the electrode after multipoint testing
The results show that: the numerical ranges of the multiple measuring points are stable and have small difference, so that the result requirement is met.
Claims (6)
1. The device for testing the surface potential of the industrial electrochemical electrode is characterized by comprising a voltmeter (2) electrically connected with an electrode (1) to be tested, wherein the other end of the voltmeter (2) is electrically connected with a reference electrode (3), and the reference electrode (3) is connected with a Rujin capillary tube (5) through a hose (4).
2. An industrial electrochemical electrode surface potential testing device as claimed in claim 1, characterized in that a protection frame (6) is connected to the glass head of the luggin capillary (5).
3. An industrial electrochemical electrode surface potential testing device as claimed in claim 2, characterized in that the protective frame (6) comprises a protective surface connected to a glass head, on which protective surface three legs are provided.
4. An industrial electrochemical electrode surface potential testing device as claimed in claim 3, characterized in that the ends of the legs of the protective frame (6) are provided with protective frame feelers (7).
5. An industrial electrochemical electrode surface potential testing device as claimed in claim 3, characterized in that the glass head of the Rougu capillary (5) passes through the protection surface of the protection frame (6), and the distance between the glass head and the contact angle of the protection frame is not less than the diameter of the glass head of the Rougu capillary.
6. An industrial electrochemical electrode surface potential testing device as claimed in claim 1, wherein said hose (4) is made of a soft corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133600.5U CN214335071U (en) | 2020-12-23 | 2020-12-23 | Industrial electrochemical electrode surface potential testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133600.5U CN214335071U (en) | 2020-12-23 | 2020-12-23 | Industrial electrochemical electrode surface potential testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214335071U true CN214335071U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023133600.5U Active CN214335071U (en) | 2020-12-23 | 2020-12-23 | Industrial electrochemical electrode surface potential testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214335071U (en) |
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2020
- 2020-12-23 CN CN202023133600.5U patent/CN214335071U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 710299 No. 15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Taijin Xinneng Technology Co.,Ltd. Address before: No.15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province 710201 Patentee before: XI'AN TAIJIN INDUSTRIAL ELECTROCHEMICAL TECHNOLOGY Co.,Ltd. |
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