CN207964719U - A kind of circular electrolyte method cathodic disbonding detection device - Google Patents
A kind of circular electrolyte method cathodic disbonding detection device Download PDFInfo
- Publication number
- CN207964719U CN207964719U CN201820260645.2U CN201820260645U CN207964719U CN 207964719 U CN207964719 U CN 207964719U CN 201820260645 U CN201820260645 U CN 201820260645U CN 207964719 U CN207964719 U CN 207964719U
- Authority
- CN
- China
- Prior art keywords
- electrolyte
- detection device
- cathodic disbonding
- detection
- oxygen concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a kind of circular electrolyte method cathodic disbonding detection device, the cathodic disbonding detection device includes a detection electrolytic cell container, the reference electrode being inserted in the electrolytic cell container and to electrode, which is characterized in that including：Electrolyte in one cycle detection portion, with the cathodic disbonding detection device forms an electrolyte circulation loop, and the temperature, pH value and oxygen concentration of the electrolyte are detected and are adjusted.The utility model recycles by electrolyte and carries out external monitoring during the test, stablizes to the property retention of electrolyte.Cathodic disbonding test under the conditions of this, the service condition of (especially marine structure coating) closer to during the practical military service of coating.
Description
Technical field
The utility model is related to a kind of cathodic disbonding detections that can effectively control electrolyte PH, dissolved oxygen concentration and temperature
Device, especially a kind of circular electrolyte method cathodic disbonding detection device.
Background technology
In the industries such as pipeline transportation, ship, bridge, metallic structures corrosion is to influence its service life and operational safety
An important factor for.It is lost caused by corrosion to reduce, generally erosion shield, cathodic protection and two methods is used to make jointly
With (such as：Ship, petroleum gas transport pipeline) carry out the anticorrosion of metallic structures.Two methods are used in conjunction with
Situation, when coating cannot be provided effective protection by local damage to metal structure, cathodic protection can be to holiday area
Domain provides and is effectively protected；But at the same time, since the adjoint hydrogen of cathode reaction is precipitated and PH raisings will cause coating to accelerate
It falls off (i.e. the cathodic disbonding of coating).The cathodic disbonding of coating will cause works reduced service life and anticorrosion cost to increase
Add.Therefore, the antikathode stripping performance of coating becomes one of the important indicator of evaluation coating performance.
Cathodic disbonding detection is the important detection for characterizing coating antikathode stripping performance.But according to the inspection of existing standard
Survey method, cathode reaction can cause that electrolyte PH is significantly increased, dissolved oxygen concentration is substantially reduced；Anode reaction can consume electrolyte
In chlorion (Cl-)；And the true use environment of coating is often open, the OH of cathodic reaction zone-Ion can obtain dilute
It releases, the Cl of anode region-It can be supplemented, the concentration of dissolved oxygen can also be supplemented；Existing major part standard is (such as：GB/T
23257-2017 normative appendix D, SY/T 0315-2013 normative appendix C and ISO 21809-3:2016Annex G
Deng) environment in detection process residing for sample is different from the environment in actual use.
In addition, petroleum gas acquisition or transportation industry in, section of tubing transport mass temperature be up to 100 DEG C with
On, in order to evaluate antikathode stripping performance of coating at a temperature of actual use, then need to carry out 100 DEG C or more of cathodic disbonding
Detection；If according to traditional detection method and device, electrolyte will boil and the progress of serious shadow influence cathode reaction, but real
The electrolyte of pipeline conducts its heat to the electrolyte far from pipeline under the service condition of border, can't boil.
To realize that the environment in cathodic disbonding detection process residing for sample is more in line with the environmental condition of actual use, need
Control to the PH of detection process electrolyte, dissolved oxygen concentration and temperature.
Utility model content
It should be appreciated that the general description and the following detailed description more than disclosure is all exemplary and illustrative,
And it is intended that the disclosure as claimed in claim provides further explanation.
In view of the drawbacks described above of existing detection method, problem to be solved in the utility model is to provide a kind of more realistic
Use environment, and the device and method that high temperature cathode stripping detection can be carried out.
To achieve the above object, the utility model provides a kind of circular electrolyte method cathodic disbonding detection device：Including
Electrolyte storage bin, feed liquor diaphragm pump, into flow meters, into flow controller, feed liquor current divider, liquid flowing valve, sample electricity
Xie Chi lids, sample electrolysis pond return liquid interflow device, return flow meters, return liquid diaphragm pump, return flow controller, cooler bin, PH
Electrode, PH meters, HCl solution pond, peristaltic pump, dissolved oxygen concentration electrode, dissolved oxygen concentration meter, oxygen increasing pump.
The utility model discloses a kind of circular electrolyte method cathodic disbonding detection device, the cathodic disbonding detection devices
Including a detection electrolytic cell container, the reference electrode being inserted in the electrolytic cell container and to electrode, which is characterized in that packet
It includes：
Electrolyte in one cycle detection portion, with the cathodic disbonding detection device forms an electrolyte circulation loop, right
Temperature, pH value and the oxygen concentration of the electrolyte are detected and adjust.
It is preferable to, the utility model further discloses a kind of circular electrolyte method cathodic disbonding detection device,
It is characterized in that,
The electrolytic cell container includes inlet opening and hole for back flow, time liquid portion and feed liquor portion phase with the cycle detection portion
Even, wherein the cycle detection portion further comprises：
The output end in described time liquid portion is arranged in one temperature regulation section；
One PH adjustment portions and an oxygen concentration adjustment portion are arranged between the temperature regulation section and the feed liquor portion.
It is preferable to, the utility model further discloses a kind of circular electrolyte method cathodic disbonding detection device,
It is characterized in that,
Distance of the hole for back flow away from the electrolytic cell container bottom is H, H >=70mm.
It is preferable to, the utility model further discloses a kind of circular electrolyte method cathodic disbonding detection device,
It is characterized in that,
One electrolyte storage bin is arranged between the temperature regulation section and the feed liquor portion, for storing through temperature tune
Electrolyte after section.
It is preferable to, the utility model further discloses a kind of circular electrolyte method cathodic disbonding detection device,
It is characterized in that,
The PH adjustment portions further comprise：
One PH electrodes are plugged in the pH values of the detection electrolyte in the electrolyte storage bin；
One PH is counted, the pH value and setting PH threshold values measured for the PH electrodes,
And trigger and whether to the electrolyte storage bin be pumped into adjusting liquid, realize the PH of electrolyte
Control；
One PH adjusts liquid device, provides the adjusting liquid.
It is preferable to, the utility model further discloses a kind of circular electrolyte method cathodic disbonding detection device,
It is characterized in that,
The oxygen concentration adjustment portion further comprises：
One oxymeter, the oxygen concentration for measuring the electrolyte；
One oxygen-increasing device, for supplementing the oxygen for reacting consumption in the cathodic disbonding detection device.
It is preferable to, the utility model further discloses a kind of circular electrolyte method cathodic disbonding detection device,
It is characterized in that,
The adjusting liquid is dilute hydrochloric acid.
When being tested using above-mentioned circular electrolyte method cathodic disbonding detection device, due to being recycled simultaneously by electrolyte
External monitoring is carried out, is stablized to the property retention of electrolyte.Cathodic disbonding test under the conditions of this, closer to coating reality
The service condition of (especially marine structure coating) during border is on active service.
Description of the drawings
Example is described implementation of the disclosure with detailed reference to attached drawing now.Now with detailed reference to the preferred implementation of the disclosure
Example, its example is shown in the drawings.In the case of any possible, phase will be indicated using identical label in all the appended drawings
Same or similar part.In addition, although the term used in the disclosure is selected from public term, this
Some terms mentioned in prospectus may be that applicant carrys out selection by his or her judgement, and detailed meanings are at this
Illustrate in the relevant portion of the description of text.In addition, it is desirable that not only by used actual terms, and be also to by each
Meaning that term is contained understands the disclosure.
In the following, with reference to attached drawing, for those skilled in the art, from the detailed description to the utility model
In, the above and other objects, features and advantages of the utility model will be evident.
Fig. 1 is a kind of composition frame chart of electrolyte round-robin method cathodic disbonding detection device of the utility model；
Fig. 2 is the structure diagram according to a preferred embodiment of Fig. 1；
Fig. 3 is the composition schematic diagram in cycle detection portion 400 in Fig. 1.
Reference numeral
1-- electrolyte storage bin
2-- feed liquor diaphragm pumps
3-- into flow meters
4-- into flow controller
5-- liquid flowing valves
6-- sample electrolysis ponds
7-- return liquid diaphragm pump
8-- return flow meters
9-- return flow controller
10-- temperature regulating chambers
11-- PH electrodes
12-- PH is counted
13-- peristaltic pumps
14-- HCl solution ponds
15-- dissolved oxygen concentration electrodes
16-- dissolved oxygen concentration meters
17-- oxygen increasing pumps
18-- outlet tubes
19-- inlet tubes
20-- feed liquor portions
60-- electrolytic cell containers
61-- electrolytic cell lids
62-- to electrode
63-- reference electrodes
64-- inlet openings
65-- hole for back flow
70-- go back to liquid portion
100-- temperature control portions
200-- PH adjustment portions
300-- oxygen concentration adjustment portions
400-- cycle detection portions
500-- cathodic disbonding detection devices
Specific implementation mode
Subject description discloses one or more embodiments for combining the utility model feature.The disclosed embodiments only example
Show the utility model.The scope of the utility model is not limited to the disclosed embodiments.The utility model is by the attached claims
To limit.
" one embodiment " for being quoted in specification, " embodiment ", " exemplary embodiment " etc. show described
Embodiment may include specific characteristic, structure or characteristic, but all embodiments need not include the specific characteristic, structure or characteristic.
In addition, these phrases are not necessarily related to identical embodiment.In addition, describing specific characteristic, mechanism or characteristic contacting an embodiment
When, be considered as contact other embodiment (regardless of whether being expressly recited) realize this feature, structure or characteristic this field skill
Within the knowledge of art personnel.
Furthermore, it is to be understood that spatial description used herein (on for example, under, top, the left side, the right, lower section, top
Portion, bottom, vertical, level etc.) purpose that is merely to illustrate, and the practical realization method of structure as described herein can be
It is spatially arranged by any orientation or mode.
Technical solutions of the utility model are described in detail below, but the scope of protection of the utility model and its be applicable in
Range is not limited to the embodiment.
As shown in Figure 1, a kind of circular electrolyte method cathodic disbonding detection device of the utility model is examined in cathodic disbonding
It surveys on the basis of device 500, adds monitoring adjustment portion, be temperature regulation section 100, PH adjustment portions 200 and oxygen concentration tune respectively
Section portion 300, three electricity for monitoring test sample in the cathodic disbonding detection device 500 that adjustment portions obtain cycle detection portion 400
Solution liquid temperature, pH value concentration and oxygen concentration are monitored.
Fig. 2 illustrates a kind of composition schematic diagram of preferred embodiment based on Fig. 1.
Including：Electrolyte storage bin 1, feed liquor diaphragm pump 2, into flow meters 3, into flow controller 4, liquid flowing valve 5,
Sample electrolysis pond 6 returns liquid diaphragm pump 7, returns flow meters 8, returns flow controller 9, temperature regulating chamber 10, PH electrodes 11, PH
Meter 12, peristaltic pump 13, HCl solution pond 14, dissolved oxygen concentration electrode 15, dissolved oxygen concentration meter 16, oxygen increasing pump 17.
Wherein, sample electrolysis pond 6 connects electrolyte storage bin 1 by an outlet tube 18, will be in electrolytic cell by outlet tube 18
Electrolyte be transported in storage bin 1, on the pipeline of outlet tube 18, also set up liquid portion 70 once and temperature regulating chamber 10,
This time liquid portion 70 includes back liquid diaphragm pump 7, returns flow meters 8 and returns flow controller 9, is stored returning liquid portion 70 to electrolyte
The temperature regulating chamber 10 of pipeline between case 1 plays the role of the current electrolyte temperature of control, finally will be in sample electrolysis pond 6
Electrolyte is sent into storage bin 1, which is provided with oxygen concentration electrode 15, PH electrodes 11 are used as measurement sensor, matches respectively
Oxymeter 16 and PH meters 12 are closed to measure the oxygen concentration and pH value of electrolyte, in addition, also a HCl solution pond 14 is by compacted
The current pH value for the electrolyte that dynamic pump 13 is measured according to PH meters 12 adjusts the electrolyte in storage bin 1, an oxygen increasing pump 17
Oxygenating is carried out according to the current value that current oxygen concentration meter 16 measures.
In diagram, temperature, pH value and oxygen concentration are also met specified requirement by electrolyte storage bin 1 by an inlet tube 19
Electrolyte return to again in sample electrolysis pond 6, illustrate in figure be directed to each sample electrolysis pond 6, set on the inlet tube 19
There is liquid flowing valve 5.
In addition, in order to control the cycle rate of electrolyte, on the pipeline of the inlet tube 19, it is equipped with a feed liquor portion 20, it should be into
Liquid portion 20 includes feed liquor diaphragm pump 2, into flow meters 3 and into flow controller 4, each composition illustrated by Fig. 2, can be with
Reach oxygen concentration, pH value and the temperature of effectively control electrolyte.
Fig. 3 further illustrates the concrete composition in sample electrolysis pond 6 in Fig. 2.
The sample electrolysis pond 6 includes an electrolytic cell container 60, the electrolytic cell lid 61 in 60 upper end of electrolytic cell container, the electricity
It further includes having an inlet opening 64 and a hole for back flow 65 to solve on pool capacity device 60, and distance from bottom of the hole for back flow 65 away from electrolytic cell container 60 is
H, this need to highly meet condition and is：
H≥70mm (1)
In addition, in the preferred embodiment, electrolytic cell container is stretched by electrolytic cell lid 61 to electrode 62 and reference electrode 63
In 60, and meet following require：62 end of electrode is located at the surface distance A about 10mm in specimen test hole, reference electrode
63 ends with to 62 end of electrode, in same level, and horizontal distance B is about 20mm ± 2mm, inlet opening 64, to electrode
63 and reference electrode 64 center point-blank, and inlet opening 64 to the distance C of electrode 63 away from being not less than 25mm.
In above-mentioned detection device, electrolyte storage bin 1 is acidproof alkali salt and transparent plastics or glass material；With temperature control
Effect, ranging from 5 DEG C to 65 DEG C of controllable temperature；The upper cover of the electrolyte storage bin 1 has for inlet tube 19, outlet tube 18, PH
The mounting hole of electrode 11, HCl solution input pipe, dissolved oxygen concentration electrode and air inlet duct, PH electrodes 11 and dissolved oxygen concentration
The measurement sensor of electrode should be located under liquid level of electrolyte.
Feed liquor diaphragm pump 2 and into flow meters 3, all is the plastics material of acidproof alkali salt with electrolyte contacts components
Matter.
Solution flowing in inlet tube 19 causes to generate feed liquor flow information into flow meters 3, and feed liquor flow information transmits
To into flow controller 4, the flow fed back into flow controller 4 according to set flow and flowmeter 3 is to feed liquor
Diaphragm pump 2 carries out power regulation；
Inlet tube 19 is divided solution to each sample electrolytic cell branch pipe equally by feed liquor current divider.
Liquid flowing valve 5 is the plastic material of acidproof alkali salt, by adjust each liquid flowing valve 5 be adjusted each branch pipe into liquid speed
Degree.
Electrolytic cell lid 61 is the plastic material that can be used for a long time at 120 DEG C or more, interior can be embedded to electrolytic cell container 60 and energy
Form effectively sealing；The circle centre position of the electrolytic cell lid 61 has mounting hole for fixed to electrode 62；Also have for fixed ginseng
Than the mounting hole of electrode 63 so that the lower edge of reference electrode 63 is apart from auxiliary electrode 20mm ± 2mm；With fixed inlet tube
Inlet opening 64.
Electrolytic cell container 60 is acid and alkali-resistance, glass or plastic material of the temperature at 120 DEG C or more is used for a long time, away from electrolytic cell
There is hole for back flow 65 electrolyte outlet, the electrolyte of each electrolytic cell outflow to be used as to be passed through back by returning liquid diaphragm pump 7 at 60 bottom H of container
Electrolyte storage bin 1 is flowed into after flow meters 8 and temperature regulating chamber 10.
Solution flowing in outlet tube 18 causes back flow meters 8 to generate back flow quantity information, returns flow quantity information and transmits
To flow controller 9 is returned, return flow that flow controller 9 is fed back according to set flow and flowmeter to return liquid every
Membrane pump 7 carries out power regulation；Temperature regulating chamber 10 is the cooling equipment of temperature-controllable, has and enters the access of outlet tube 18 and pick out
Interface, for cooling down the electrolyte in outlet tube 18.
11 available standards PH buffer solutions of PH electrodes calibrated and calibrated after per for 24 hours PH drift≤0.02, have temperature
Compensation function, acidproof alkali salt are spent, use temperature range is 0-65 DEG C, can long-term (no less than 30d) on-line monitoring electrolyte PH.PH
The resolution ratio of meter 12 is 0.01, the upper and lower bound value of pH value can be arranged, and by comparing the upper limit value for surveying pH value and setting
The break-make of peristaltic pump 13 is controlled with lower limiting value, and can be connected to control terminal by communications protocol, realizes the reality of electrolyte ph
Shi Jilu simultaneously stores record file；
HCl solution pond 14 is the plastic ware of salt tolerant acid solution, and the part that peristaltic pump 13 is contacted with HCl solution is salt tolerant
The material of acid corrosion, flow are 4mL/min~65mL/min (or flow is adjustable), and power cord and the PH of peristaltic pump 13 count 12
Relay contacts point series connection forming circuit.
Oxygen concentration electrode 15 in electrolyte storage bin 1 can by carried out respectively in anaerobic water and air Zero calibration and
Calibration is realized in slope calibration, and it is 0~65 DEG C to have temperature compensation function, acidproof alkali salt, use temperature range, can be long-term (many
In 30d) on-line monitoring electrolyte dissolved oxygen concentration.
The dissolved oxygen concentration resolution ratio of oxymeter 16 is 0.01mg/L, and the upper and lower bound of dissolved oxygen concentration can be arranged
Value, and the break-make of oxygen increasing pump 17 is controlled by comparing the upper limit value and lower limiting value of surveying dissolved oxygen concentration and setting, and can lead to
It crosses communications protocol and is connected to control terminal, realize that the real-time of dissolved oxygen concentration records and store record file in electrolyte.
The power cord of oxygen increasing pump 17 is connected forming circuit with the relay contacts of oxymeter 16 point.
In conjunction with the circular electrolyte method cathodic disbonding detection device of the utility model of above-mentioned composition, to related work principle
It is described below：
The sample of cathodic disbonding test is arranged in sample electrolysis pond 6, and the sample is as working electrode and external direct current
The cathode of power supply is connected, and anode is connected with the anode of external dc power, and the electric current that DC power supply provides is through anode, electrolysis
Liquid stream enters the sample as working electrode, then flows into the cathode of DC power supply.
Due to reference electrode 63 have constant potential, be used to indicate the current potential of working electrode, if by voltmeter series connection with
The potential difference that can measure the two between reference electrode 63 and working electrode, so as to which the current potential of working electrode is calculated.
It is well known that electric current is realized because of the free electron reverse movement in metal in the metallic conductor as sample.
And in the electrolytic solution, the flowing of electric current needs to realize along with ion movement and electrochemical reaction in electrolyte, therefore
During this, cathodic disbonding is tested along with following electrochemical reaction：
The cathode reaction that cathode (sample) area occurs mainly has the following two kinds form：
2H2O+O2+4e-→4OH- (2)
2H2O+2e-→2OH-+H2 (3)
The anode reaction that anode region occurs mainly has the following two kinds form：
2Cl--2e-→Cl2 (4)
4OH--4e-→2H2O+O2 (5)
From above-mentioned reaction：
O2It is the reactant of cathode reaction, in common cathodic disbonding test method, the dissolved oxygen in electrolysis can be because of reaction
Progress and gradually use up to reduced levels；This test method can maintain the oxygen concentration of entire test process electrolyte certain
In range, the service condition of (especially marine structure coating) closer to during the practical military service of coating.
OH-It is the product of cathode reaction, in common cathodic disbonding test method, the OH in electrolysis-Concentration can be because of test
Progress and gradually rise the raising of i.e. electrolyte ph, and then inhibit the progress of cathode reaction；This method can pass through electrolysis
The work of liquid PH adjustment portions 200 maintains entire test process electrolysis pH value in a certain range, is on active service closer to coating is practical
The service condition of (especially marine structure coating) in the process.
Cl-It is the reactant of anode, this method uses adjusting liquid of the HCl solution as electrolyte ph, in electrolyte
Cl-Also function to supplementary function.
In entire test process, since external monitoring is recycled and carried out by electrolyte, to the property retention of electrolyte
Stablize.Under the conditions of this cathodic disbonding test, closer to coating it is practical be on active service during (especially marine structure painting
Layer) service condition.
This method has the temp regulating function of electrolyte, solves in traditional test methods and (is more than 100 to superhigh temperature
DEG C) cathodic disbonding test not applicable problem.
It is hereafter (in detection process electric with 105 DEG C ± 3 DEG C of test temperature (the metal substrate temperature of sample), electrolyte temperature
Electrolyte temperature in Xie Chi) 65 DEG C ± 5 DEG C, sample current potential (generally select by current potential of the sample relative to reference electrode, reference electrode
Saturated calomel electrode) to carry out cathodic disbonding detection for -1.5V, introduce the electrolyte round-robin method cathode stripping of the utility model
The method for carrying out cathodic disbonding detection from detection device.
The processing such as drill is carried out to coating sample according to the examination criteria of required execution, and forms sample shown in Fig. 3
Electrolytic cell 6；
Each sample (i.e. sample electrolysis pond 6) is placed in temperature regulating device, and is connected according to general illustration shown in Fig. 2
Connect electrolysis liquid pipeline；
The electrolyte that configuration is completed is fitted into electrolyte storage bin 1；
Start the feed liquor diaphragm pump 2 in feed liquor portion 20 and return in liquid portion 70 and return liquid diaphragm pump 7, feed liquor diaphragm pump 2 will be electric
Solution liquid, which passes through into flow meters 3, is pumped into sample electrolysis pond 6, generates flow signal into flow meters 3 and is transferred into flow quantity control
Device 4 processed will be adjusted to setting value according to the flow signal fed back into flow meters 3 into flow controller 4 into flow quantity；
Adjust the corresponding liquid flowing valve of each sample 5 so that the feed liquor rate of each sample electrolytic cell 6 is identical；
Solution fill electrolytic cell, when liquid level is increased to 65 height of electrolytic cell hole for back flow or more, electrolyte through hole for back flow 65,
Flow meters 8 and cooler bin 10 are returned to electrolyte storage bin 1, the electrolyte in outlet tube 18 is cooled to 60 DEG C or less by cooler bin
Afterwards more accurate temperature adjusting is carried out into electrolyte storage bin 1；
The PH threshold values for setting PH meters 12 are the pH value of the induction electrolyte of 6.5 to 8.5, PH electrodes 11 and generate signal and be transferred to
PH meters 12, PH counts relay and is closed triggering peristaltic pump 13 if pH value ＞ 8.5, and the HCl solution of 1mol/L is pumped by the ponds HCl 14
Electrolyte storage bin 1 is to reduce the pH value of solution in electrolytic cell, until when its pH value is less than 6.5, the relay of PH meters 12 is disconnected
It opens, peristaltic pump is stopped；
The threshold value of dissolved oxygen concentration meter 16 is set as 6mg/L to 8mg/L, dissolved oxygen concentration electrode 15 incudes in electrolyte
Dissolved oxygen concentration simultaneously generates signal and is transferred to dissolved oxygen concentration meter 16, if dissolved oxygen concentration ＜ 6mg/L, dissolved oxygen concentration meter
Relay is closed oxygen increasing pump 17 and is pumped into air into electrolyte to increase the dissolved oxygen concentration of electrolyte, until dissolved oxygen is dense
The relay of degree >=8mg/L, dissolved oxygen concentration meter 16 disconnects, and oxygen increasing pump 17 is stopped；
Adjusting temperature control device makes the metal substrate temperature in the tested region of sample stablize within the scope of 105 DEG C ± 3 DEG C, simultaneously
Each sample electrolytic cell 6 is adjusted by the temperature of the circulation rate of adjusting electrolyte, the temperature of cooler bin and electrolyte storage bin 1
In electrolyte temperature in 65 DEG C ± 5 DEG C specified of temperature range；
Start potentiostat (DC constant voltage power supply or constant-current supply can also be used) each sample metal substrate phase of control
Current potential for saturated calomel electrode is -1.5V.
One specific embodiment of the utility model described in detail above.It should be appreciated that test temperature is (with sample metal
The temperature of ground), electrolyte temperature, (sample noble metal ground is relative to reference electrode for Arrays Aluminum Films in Acid Solution and concentration, test voltage
Current potential and reference electrode type) and the size and shape of electrolytic cell can modify according to required testing conditions.
The description to preferred embodiment provided above, so that any technical staff in the art can be used or utilize this
Utility model.The various modifications of these embodiments are evident for personnel skilled in the art, it can be described here
Total principle be applied to other embodiment without the use of creativeness.Thus, the utility model is not limited to reality depicted herein
Example is applied, and should be according to the widest range for meeting teachings disclosed herein and new feature.
Claims (7)
1. a kind of circular electrolyte method cathodic disbonding detection device, the cathodic disbonding detection device includes a detection electrolytic cell
Container, the reference electrode being inserted in the electrolytic cell container and to electrode, which is characterized in that including：
Electrolyte in one cycle detection portion, with the cathodic disbonding detection device forms an electrolyte circulation loop, to described
Temperature, pH value and the oxygen concentration of electrolyte are detected and adjust.
2. circular electrolyte method cathodic disbonding detection device according to claim 1, which is characterized in that
The electrolytic cell container includes inlet opening and hole for back flow, is connected with time liquid portion in the cycle detection portion and feed liquor portion,
In, the cycle detection portion further comprises：
The output end in described time liquid portion is arranged in one temperature regulation section；
One PH adjustment portions and an oxygen concentration adjustment portion are arranged between the temperature regulation section and the feed liquor portion.
3. circular electrolyte method cathodic disbonding detection device according to claim 2, which is characterized in that
Distance of the hole for back flow away from the electrolytic cell container bottom is H, H >=70mm.
4. circular electrolyte method cathodic disbonding detection device according to claim 3, which is characterized in that
One electrolyte storage bin, be arranged between the temperature regulation section and the feed liquor portion, for store it is conditioned after
Electrolyte.
5. circular electrolyte method cathodic disbonding detection device according to claim 4, which is characterized in that the PH adjustment portions
Further comprise：
One PH electrodes are plugged in the pH value of the detection electrolyte in the electrolyte storage bin；
Whether one PH is counted, the pH value and setting PH threshold values measured for the PH electrodes, and trigger and stored up to the electrolyte
It deposits case and is pumped into adjusting liquid, realize the PH controls of electrolyte；
One PH adjusts liquid device, provides the adjusting liquid.
6. circular electrolyte method cathodic disbonding detection device according to claim 5, which is characterized in that the oxygen concentration tune
Section portion further comprises：
One oxymeter, the oxygen concentration for measuring the electrolyte；
One oxygen-increasing device, for supplementing the oxygen for reacting consumption in the cathodic disbonding detection device.
7. circular electrolyte method cathodic disbonding detection device according to claim 6, which is characterized in that
The adjusting liquid is dilute hydrochloric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820260645.2U CN207964719U (en) | 2018-02-13 | 2018-02-13 | A kind of circular electrolyte method cathodic disbonding detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820260645.2U CN207964719U (en) | 2018-02-13 | 2018-02-13 | A kind of circular electrolyte method cathodic disbonding detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964719U true CN207964719U (en) | 2018-10-12 |
Family
ID=63739641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820260645.2U Active CN207964719U (en) | 2018-02-13 | 2018-02-13 | A kind of circular electrolyte method cathodic disbonding detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375621A (en) * | 2018-02-13 | 2018-08-07 | 艾图科（上海）防腐技术有限公司 | A kind of circular electrolyte method cathodic disbonding detection device and method |
| CN109813635A (en) * | 2019-01-01 | 2019-05-28 | 中国人民解放军63653部队 | Based on electric field through the device of diffusion method measurement nucleic diffusion coefficient in rock soil medium |
-
2018
- 2018-02-13 CN CN201820260645.2U patent/CN207964719U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375621A (en) * | 2018-02-13 | 2018-08-07 | 艾图科（上海）防腐技术有限公司 | A kind of circular electrolyte method cathodic disbonding detection device and method |
| CN109813635A (en) * | 2019-01-01 | 2019-05-28 | 中国人民解放军63653部队 | Based on electric field through the device of diffusion method measurement nucleic diffusion coefficient in rock soil medium |
| CN109813635B (en) * | 2019-01-01 | 2021-04-30 | 中国人民解放军63653部队 | Device for measuring diffusion coefficient of nuclide in rock-soil medium based on electric field penetration diffusion method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207964719U (en) | A kind of circular electrolyte method cathodic disbonding detection device | |
| CN109494388A (en) | A kind of method and system for real-time monitoring all-vanadium flow battery side reaction | |
| CN105929334B (en) | A kind of positive electrolyte for all-vanadiumredox flow battery state-of-charge assay method | |
| CN103614729A (en) | Testing device and method for cathode protection of indoor ship body | |
| CN107782662A (en) | The method of cathode protection testing probe, device and evaluation metal cathodic protection effect in the seawater | |
| CN104990862B (en) | The thin liquid film corrosion testing apparatus of thickness of liquid film can be automatically controlled | |
| CN109585883A (en) | The method of real-time and system of charge state of all-vanadium redox flow battery | |
| CN203174208U (en) | Continuous blanking device used for aluminium cell and aluminium cell comprising continuous blanking device | |
| US7459067B2 (en) | Semi-permanent reference electrode | |
| CN102305817A (en) | Multi-functional probe for monitoring corrosion of water pipeline and protecting water pipeline | |
| CN108375621A (en) | A kind of circular electrolyte method cathodic disbonding detection device and method | |
| CN113406284A (en) | Online testing device and method for biological biocide | |
| CN107576699B (en) | A kind of carbon-based Ag/AgCl electric field electrode preparation method of high-specific surface area foam | |
| CN202166630U (en) | Multifunctional probe for monitoring corrosion and protection of water pipelines | |
| CN208568025U (en) | A kind of New electrode electric water gauge | |
| CN204313923U (en) | Remote gauged rainfall gaging station | |
| CN106148969A (en) | A kind of sacrificial magnesium alloy anode current efficiency device for fast detecting and method | |
| CN210117434U (en) | Storage box for controlling conductivity of anolyte | |
| CN207457033U (en) | A kind of single electrode crossed array wire beam electrode system corroded under Test coverage object | |
| CN208536972U (en) | A kind of level sensing charger | |
| CN205333154U (en) | Water level early warning system monitoring station supporting device based on big dipper satellite | |
| TW201821786A (en) | Coating corrosion accelerating test method capable of shortening the test cycle by generating a special corrosion accelerating effect different from the corrosion factor reaction | |
| CN108385156A (en) | The flexibly coating or passivation layer preparation facilities and application method of control environmental parameter | |
| CN220040321U (en) | Service life evaluation device for titanium anode for PCB electroplating | |
| CN219239340U (en) | Slightly acidic electrolyzed water generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |