CN108048864B - Common cathode ultrasonic electrochemical device - Google Patents
Common cathode ultrasonic electrochemical device Download PDFInfo
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- CN108048864B CN108048864B CN201711434340.5A CN201711434340A CN108048864B CN 108048864 B CN108048864 B CN 108048864B CN 201711434340 A CN201711434340 A CN 201711434340A CN 108048864 B CN108048864 B CN 108048864B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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Abstract
The invention discloses a kind of common cathode ultrasonic electrochemical devices, including electrolytic cell, cathode plate, anode plate, ultrasonic transducer, ultrasonic-frequency power supply, DC power supply, cathode plate and anode plate are provided in electrolytic cell, cathode plate is spaced a distance with anode plate, the side of cathode plate is fixedly installed ultrasonic transducer, ultrasonic transducer is arranged between sealing cover and cathode plate, and sealing cover is covered on ultrasonic transducer and is integrated with cathode plate sealing；Ultrasonic transducer is made of front shroud, central electrode, back shroud, the first piezoelectric chip, the second piezoelectric chip；Ultrasonic transducer is connect with ultrasonic-frequency power supply, and ultrasonic-frequency power supply is connect with DC power supply.The effects of present invention accelerates liquid phase quality to pass on, and accelerates reaction rate, enhances electrochemical luminescence, change electrochemical reaction yield, preferably plays the efficiency of ultrasonic electrochemical.
Description
Technical field
The present invention relates to advanced oxidation technical field of chemistry, and in particular to a kind of common cathode ultrasonic electrochemical device.
Background technique
The combination of the research and development of ultrasonic electrochemical in recent years ultrasound and electrochemistry quickly have the advantages that it is many potential,
These advantages include the cleaning and degasification, the erosion of the depassivation of electrode surface, electrode surface of electrode surface;Accelerate liquid phase matter
Amount transmission;Accelerate reaction rate;Enhance electrochemical luminescence;Change (the Zhang Chengxiao ultrasound electrification such as yield of electro synthesis reaction
And its progress [J] Shaanxi Normal University's journal (natural science edition), 2001,29(2): 103-109).
Currently, ultrasonic electrochemical reactor can substantially be divided into ultrasonic bath and probe system two types, two kinds of devices are each
There is feature (application [J] plating and finish of Cheng Jingquan, Yao Suwei the ultrasonic wave in electrochemistry, 2005,27(1): 17-
19).
The ultrasonic electrochemical reactor constructed using ultrasonic bath, ultrasonic transducer is mainly fitted in be built-in with anode
The bottom of the electrolytic cell of plate (+pole) and cathode plate (- pole) is built-up.As: the big turbulent waves invention of Xi'an building technology
(number of patent application: it 2010145135.9) is equipped with pure platinum in a cell using the method that ultrasonic electrochemical prepares permonosulphuric acid
Anode and stereotype cathode, and by sulfonic group anion selective membrane separate anode and cathode, bottom of electrolytic tank be added ultrasonic wave.The party
Method has easy method, reduction energy consumption, shortening reaction time and life than the method that conventional high concentration synthetic method prepares permonosulphuric acid
The features such as higher at anti-oxidant active.
Using the ultrasonic electrochemical reactor of ultrasonic probe system, mainly electricity will be inserted into using ultrasonic probe (ultrasonic head)
It solves built-up between the anode plate (+pole) and cathode plate (- pole) in slot.Such as: the one of China, the State of Zhao invention of Tongji University
The ultrasonic electrochemical device and method of kind processing waste water (number of patent application: 200710047061.3) have using ultrasonic wave promotion
The mass transport process of machine pollutant, while the adsorbance of pollutant on the anode electrode is controlled, the activity of electrode is kept, electrification is accelerated
Learn oxidizing reaction rate.
Although above-mentioned document realizes the synergistic effect of ultrasonic electrochemical with patent and similar technology, patent, method
Process, improve reaction efficiency, but there are still defects and deficiency for technology:
Firstly, mainly having DC power supply, electrode (anode and cathode) electricity according to the composition of the basic principle electrochemical appliance of electrolysis
Electrolyte solution (or fused electrolyte), and the ultrasonic head of still insertion of existing ultrasonic electrochemical device either ultra sonic bath slot type
The ultrasonic electrochemical reactor that the electrolytic cell of formula is constituted, between anode plate (+pole) and cathode plate (- pole) all in a cell
One is introduced by ultrasonic head or positioned at the new electrode of the ultrasonic radiation plate of the bottom of electrolytic cell (hereinafter referred to as applicator), this is by energy
The applicator for being effectively conducted the metal of ultrasound or other are conductive/lead sound material composition is typically grounded, i.e. minus earth, to ensure
Electrical equipment using safe.The access of applicator in fact changes field regime in electrolytic cell, so that the reaction of electrochemistry is dynamic
Mechanical condition changes, it is possible to influence the reaction result of electrolytic cell.
Secondly as in electrolytic cell electrochemistry and ultrasonic cavitation effect, what the material of applicator was difficult to avoid that is corroded,
The change for causing electrolyte response characteristic influences the result of reaction.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of common cathode ultrasonic electrochemical devices.
The technical solution of the present invention is as follows: a kind of common cathode ultrasonic electrochemical device, including electrolytic cell, cathode plate, anode plate,
Ultrasonic transducer, ultrasonic-frequency power supply, DC power supply are provided with cathode plate and anode plate, cathode plate and anode plate interval in electrolytic cell
A certain distance, the side of cathode plate are fixedly installed ultrasonic transducer, ultrasonic transducer setting sealing cover and cathode plate it
Between, sealing cover is covered on ultrasonic transducer and is integrated with cathode plate sealing；Ultrasonic transducer by front shroud, central electrode,
Back shroud, the first piezoelectric chip, the second piezoelectric chip composition；Ultrasonic transducer is connect with ultrasonic-frequency power supply, ultrasonic-frequency power supply and direct current
Power supply connection.
Further, the front shroud of the cathode plate and ultrasonic transducer connects to form common cathode.
Further, the side of the front shroud is provided with central electrode, and the other side of central electrode is provided with back shroud,
Central electrode is arranged between front shroud and back shroud.
Further, first piezoelectric chip is arranged between front shroud and central electrode, the setting of the second piezoelectric chip
Between central electrode and back shroud.
Further, the same axis of the front shroud, the first piezoelectric chip, central electrode, the second piezoelectric chip, back shroud
It is provided with the bolt hole passed through for fastening bolt on line, ultrasonic transducer fastening bolt is by front shroud, the first piezoelectric chip, center
Electrode, the second piezoelectric chip, back shroud are fixed integrally ultrasonic transducer.
Further, the electrolytic cell is made of electrically non-conductive material.
Further, the cathode plate and anode plate are made of stainless steel plate or titanium mesh.
Further, the sealing cover is made of waterproof electrically non-conductive material.
The invention has the benefit that
Due to realizing the ground terminal of ultrasonic transducer and the common cathode structure of electrolytic negative plate (- pole), applicator is eliminated
Influence to electric field in electrolytic cell, is also corroded without applicator, and the condition of the kinetics of electrochemistry will not be changed；It simultaneously can
The cleaning and degasification, the erosion of the depassivation of electrode surface, electrode surface of electrode surface are played, accelerates liquid phase quality transmission, adds
The effects of fast response rate enhances electrochemical luminescence, changes electrochemical reaction yield preferably plays the effect of ultrasonic electrochemical
Energy.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing, and the present embodiment is not constituted to the present invention
Limitation.
As shown in Figure 1, a kind of common cathode ultrasonic electrochemical device, including electrolytic cell 1, cathode plate 2, anode plate 3, ultrasound are changed
It can device, ultrasonic-frequency power supply 11, DC power supply 12.
Electrolytic cell 1 is made of electrically non-conductive material, and cathode plate 2 and anode plate 3, cathode plate 2 and anode are provided in electrolytic cell 1
Plate 3 is spaced a distance, and cathode plate 2 and anode plate 3 are by 10 × 5 × 0.1cm3Stainless steel plate or titanium mesh be made.
The side of cathode plate 2 is provided with ultrasonic transducer, ultrasonic transducer by front shroud 5, central electrode 6, back shroud 7,
First piezoelectric chip 8 and the second piezoelectric chip 9, fastening bolt 10 form.
The front shroud 5 of ultrasonic transducer is the Ultrasonic Radiation output end of ultrasonic transducer, and conventional electrical is wanted using safe
Ask ground connection, the front shroud 5 of cathode plate 2 and ultrasonic transducer is led sound bonded adhesives by common conductive and is bonded or welded securely, so that
The radiant output end (i.e. electrical ground) of the ultrasonic wave of ultrasonic transducer and cathode plate 2 form common cathode.
The side of front shroud 5 is provided with central electrode 6, and the other side of central electrode 6 is provided with back shroud 7, central electrode 6
It is arranged between front shroud 5 and back shroud 7.The first piezoelectric chip 8, central electrode are provided between front shroud 5 and central electrode 6
The second piezoelectric chip 9 is provided between 6 and back shroud 7.First piezoelectric chip 8 and the second piezoelectric chip 9 can be realized electro-acoustic and turn
It changes.
Front shroud 5, the first piezoelectric chip 8, central electrode 6, the second piezoelectric chip 9, back shroud 7 same axis on be arranged
There is a bolt hole passed through for fastening bolt 10, ultrasonic transducer fastening bolt 10 is by front shroud 5, the first piezoelectric chip 8, middle electrocardio
Pole 6, the second piezoelectric chip 9, back shroud 7 are fixed integrally ultrasonic transducer.
Sealing cover 4 is covered on ultrasonic transducer, and sealing cover 4 is made of waterproof electrically non-conductive material, and is sealed with cathode plate 2
It is integrated, guarantees that ultrasonic transducer is isolated with the hydraulic seal in electrolytic cell 1.
Ultrasonic transducer is connect with ultrasonic-frequency power supply 11, and ultrasonic-frequency power supply 11 provides ultrasound-driven power supply for ultrasonic transducer, is surpassed
It is 0.3W/cm that 11 output frequency of acoustic-electric source, which is 20kHz power,2Ultrasound, the ultrasonic-frequency power supply 11 of ultrasound-driven and DC power supply 12
Connection, DC power supply 12 provide DC power supply for electrolysis, and 12 current stabilization of DC power supply exports Faradaic current 10mA/cm2 。
Cathode plate (- pole) 2 and anode plate (+pole) when common cathode ultrasonic electrochemical device is powered on, in electrolytic cell 1
3 are electrolysed under the driving of DC power supply 12；The ultrasonic radiation of ultrasonic transducer acts on electricity by front shroud 5 and cathode plate (- pole) 2
In solution, the cleaning and degasification, the erosion of the depassivation of electrode surface, electrode surface of electrode surface are played, liquid phase quality is accelerated to turn
The effects of passing, accelerating reaction rate, enhance electrochemical luminescence, change electrochemical reaction yield.
After handling time 60min, the algae toxin concentration tested in water body drops to 0.02 μ g/L, with same experimental conditions
The simple electrolysis concentration for the treatment of of lower no ultrasonication drops to 0.02 μ g/L institute for the algae toxin concentration of the water containing algae toxin of 1 μ g/L
Need Faradaic current 40mA/cm2, processing time 90min compare, needed for common cathode ultrasonic electrochemical device of the present invention
Faradaic current it is smaller, processing the time it is shorter, improve degradation water in algae toxin efficiency, embody advantages of the present invention.
The above described is only a preferred embodiment of the present invention, being not used in the limitation present invention, those skilled in the art can
It is this to modify or equally replace within the spirit and scope of the present invention, to make various modifications or equivalent replacements to the present invention
Changing, which also should be regarded as, falls in the protection scope of technical solution of the present invention.
Claims (4)
1. a kind of common cathode ultrasonic electrochemical device, it is characterised in that: including electrolytic cell, cathode plate, anode plate, ultrasonic transduction
Device, ultrasonic-frequency power supply and DC power supply, are provided with cathode plate and anode plate in electrolytic cell, cathode plate and anode plate interval it is certain away from
It is provided with bolt hole on same axis from, front shroud, the first piezoelectric chip, central electrode, the second piezoelectric chip and back shroud,
Fastening bolt by the bolt hole by front shroud, the first piezoelectric chip, central electrode, the second piezoelectric chip and back shroud successively
It is fixed integrally ultrasonic transducer, the ultrasonic transducer is arranged between sealing cover and cathode plate, cathode plate and front cover
Plate connects to form common cathode, and sealing cover is covered on ultrasonic transducer and is integrated with cathode plate sealing, ultrasonic transducer and super
The connection of acoustic-electric source, ultrasonic-frequency power supply are connect with DC power supply.
2. common cathode ultrasonic electrochemical device according to claim 1, it is characterised in that: the electrolytic cell is by non-conductive material
Material is constituted.
3. common cathode ultrasonic electrochemical device according to claim 1, it is characterised in that: the cathode plate and anode plate are equal
It is made of stainless steel plate or titanium mesh.
4. common cathode ultrasonic electrochemical device according to claim 1, it is characterised in that: the sealing cover is not led by waterproof
Electric material is constituted.
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| CN201711434340.5A CN108048864B (en) | 2017-12-26 | 2017-12-26 | Common cathode ultrasonic electrochemical device |
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| CN201711434340.5A CN108048864B (en) | 2017-12-26 | 2017-12-26 | Common cathode ultrasonic electrochemical device |
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| CN108048864B true CN108048864B (en) | 2019-10-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111286747A (en) * | 2018-12-10 | 2020-06-16 | 彭志军 | Built-in ultrasonic electrolysis system oxyhydrogen device |
| CN111092033A (en) * | 2019-12-24 | 2020-05-01 | 广东工业大学 | Ultrasonic electrochemical composite wafer cleaning device and cleaning method thereof |
| CN112981435B (en) * | 2020-12-10 | 2024-02-09 | 中核二七二铀业有限责任公司 | Method for treating electrolytic bath anode effect |
| WO2024040295A1 (en) * | 2022-08-23 | 2024-02-29 | Royal Melbourne Institute Of Technology | An electrolytic cell and method of electrolysis |
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