CN201438182U - Electrochemical electrolytic bath - Google Patents
Electrochemical electrolytic bath Download PDFInfo
- Publication number
- CN201438182U CN201438182U CN200920107236XU CN200920107236U CN201438182U CN 201438182 U CN201438182 U CN 201438182U CN 200920107236X U CN200920107236X U CN 200920107236XU CN 200920107236 U CN200920107236 U CN 200920107236U CN 201438182 U CN201438182 U CN 201438182U
- Authority
- CN
- China
- Prior art keywords
- pole cup
- reserve tank
- outage
- liquid reserve
- electrochemical cell
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 24
- 239000002253 acid Substances 0.000 abstract description 19
- 238000004140 cleaning Methods 0.000 abstract description 16
- 238000005259 measurement Methods 0.000 abstract description 15
- 239000000523 sample Substances 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 19
- 238000005554 pickling Methods 0.000 description 14
- 235000021110 pickles Nutrition 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000000835 electrochemical detection Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides an electrochemical electrolytic bath, which comprises a pole cup, a fixing device and a liquid storing box, wherein the bottom part of the pole cup is provided with an inlet pipe, and the side wall of the pole cup is provided with at least two first liquid discharging holes which are uniformly distributed; the fixing device is arranged on the upper part of the pole cup and is used for fixing a measuring probe with an electrode inside the pole cup; and the liquid storing box accommodates the pole cup and the measuring medium which is discharged from the first liquid discharging holes of the pole cup, and the bottom part of the liquid measuring box is provided with a second liquid discharging hole. The electrochemical electrolytic bath is used in conjunction with the relative electrochemical measuring probe, thereby the real-time measurement of relevant electrochemical parameters can be realized during the acid cleaning process.
Description
Technical field
The utility model relates to the electrochemical measuring technology field, relates in particular to a kind of electrochemical cell.
Background technology
At present the traditional corrosion speed assay method that adopts during boiler acid pickling is to hang indicating piece in system, and this method is after treating that pickling finishes, and determines the corrosion speed of parent metal by weightless measurement.The limitation of this detection method is to provide the real-time parameters relevant with corrosion such as the corrosion speed of institute's cleaning equipment in the acid cleaning process, do not have these real-time monitoring informations, field staff and slip-stick artist just can't implement effectively control to the acid cleaning process of chemical cleaning process.For some acid cleaning process more rambunctious, as the hydrogen peroxide passivation technology, do not adopt the real-time detection technique of corrosion, will be difficult to obtain the pickling effect of expection.
Though adopt with the corrosion electrochemistry linear polarization technique of the material three-electrode system instantaneous corrosion speed in can instantaneous measurement metal erosion process, be not applicable to the electrolytic cell of in acid cleaning process, measuring boiler corrosion speed in real time but do not exist at present, limited this The Application of Technology.
The utility model content
Because the problems of the prior art, fundamental purpose of the present utility model is to provide a kind of electrochemical cell, to be implemented in the boiler acid pickling process the real-time measurement to the associated electrical chemical parameters.
To achieve these goals, a kind of electrochemical cell of the utility model embodiment comprises:
Pole cup, its bottom is provided with inlet tube, and its sidewall is provided with at least two equally distributed first outages;
Stationary installation is positioned at the top of described pole cup, be used for fixing electrode is installed measuring sonde in pole cup; And
Liquid reserve tank is used to hold described pole cup and reaches the measuring media of getting rid of from first outage of pole cup, and this liquid reserve tank bottom or sidewall are equipped with second outage.
Among another embodiment of the utility model, described liquid reserve tank is provided with inlet tube and stretches out the hole, and the inlet tube of described pole cup stretches out the hole through this and extend out to outside the liquid reserve tank.
Described stationary installation comprises bowl cover with holes, and measuring sonde extend in the pole cup through the hole of bowl cover.
Form hermetically-sealed construction between described bowl cover and the pole cup and between described bowl cover and the measuring sonde.
The position of described first outage is higher than the position of measuring sonde top electrode.
Described liquid reserve tank is provided with gland bonnet.
Described first outage and second outage respectively are provided with stopple.
The utility model adopts electrochemical electrolysis pool structure as above, cooperates corresponding electrochemical sensor probe, can realize the real-time measurement to associated electrical chemical parameters in the acid cleaning process.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the diagrammatic cross-section of the electrolytic cell of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, specific embodiment of the utility model is elaborated below in conjunction with accompanying drawing.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Present embodiment provides a kind of electrochemical electrolysis pool structure that can realize real-time electrochemical measurement.As shown in Figure 1, electrochemical cell of the present utility model comprises:
In the present embodiment, described inlet tube 101 is arranged on the bottom centre of described pole cup, to guarantee that pickling medium evenly flows in the pole cup, this inlet tube is used to insert pickling system, for example, this inlet tube 101 can be connected on the sampling nozzle that the pickling scavenging pump exports in the pickling system by the flexible pipe of one section emulsion tube or other resistance to acid attack or pickling is returned on the liquid liquid flowing tube mouth, an end that is about to emulsion tube or other flexible pipe is enclosed within on the inlet tube of pole cup, the other end is enclosed within on the sampling nozzle of pickling scavenging pump outlet or pickling is returned on the liquid liquid flowing tube mouth, so just electrolytic cell is connected on the inlet or exit position of pickling system.
Described first outage 102 is used for discharging the fluid to be measured (measuring media) of pole cup.Like this, fluid to be measured in the pole cup can flow into from inlet tube, discharge by first outage, therefore the fluid to be measured in the pole cup can constantly be updated, like this, just can detect electrochemical parameters such as the real-time corrosion speed of pickle of pickling system outlet or entry position and electrode potential, thus corrosion process and passivating process in the monitoring acid cleaning process that can be real-time.In the present embodiment, described first outage is at least two or more, and it evenly is arranged on the apical position of pole cup sidewall sustained height, and the height of this apical position is higher than the position of electrode 141.Described first outage also can be provided with stopple, to block described first outage when the not discharge opeing.
In the present embodiment, described stationary installation 120 can be designed as different shapes, as long as it can be fixedly mounted in measuring sonde in the pole cup.As the utility model one embodiment, this stationary installation can fix measuring sonde by screwing screw.In the present embodiment, the measuring sonde that adopts when measurement corrosion speed that the measuring sonde that adopts can use for tradition or electrode potential, probe body for example can be processed into stationary installation be complementary cylindric, it can be needle-like, column or sheet or the like the potential electrode on the probe.Can adopt with the material three-electrode system when measuring the corrosion speed of parent metal in the acid cleaning process, the electrode on this moment measuring sonde be three with the material electrode, the lead-in wire 142 of electrode can be drawn at the afterbody of probe.So-called with the material three-electrode system, be that the electrode by three same materials constitutes three-electrode system in electrolytic cell, contrast electrode, auxiliary electrode, working electrode serve as by the research electrode.Owing to be three electrodes that same material is made, so corrosion situation under the same conditions should be basic identical, therefore come the current potential of another style monitored as contrast electrode with one of them sample and will reduce the use error that traditional contrast electrode brought relatively, and three groups of samples can provide abundanter reference data, make that the acquisition data were both accurate, do not destroy the corrosion process of sample again.If will monitor the electrode potential of metal in the passivating process, a contrast electrode also can be installed.Adopt contrast electrode can measure the electrode potential of metal in electrolyte solution, can estimate passivation effect according to electrode potential, the common used in industry contrast electrode has copper/copper sulphate contrast electrode, silver/silver chloride electrode etc.
Described stationary installation can comprise bowl cover with holes 122, and as shown in Figure 1, measuring sonde extend in the pole cup through the hole of bowl cover.
For having volatile pickle, as hydrogen peroxide, among the utility model embodiment, between described bowl cover 122 and the pole cup 100, form sealed construction between bowl cover 122 and the measuring sonde 140, sealing formula structure has guaranteed not hazard detection personnel healthy of harmful escaping gas in the pickling medium and Korrosionsmedium.
In the present embodiment, the medium of discharging in the pole cup is concentrated by second outage of liquid reserve tank and is drained, if there is not liquid reserve tank, the pickle of discharging in first outage needs two discharging tubes that it is drained at least, in addition, liquid reserve tank holds and has fixed pole cup, has made things convenient for electrochemical cell installation and measurement at the scene.
In the present embodiment, described second outage can be arranged on the bottom and the sidewall of liquid reserve tank, and can be provided with stopple.
Described liquid reserve tank can not be provided with lid, also lid can be set.Described liquid reserve tank is provided with and covers at 162 o'clock, can prevent effectively that harmful escaping gas in the pickle of liquid reserve tank and Korrosionsmedium from evaporating and hazard detection personnel healthy.Can also be provided with aperture 163 on the lid 162 of described liquid reserve tank, so that the lead-in wire 142 of electrode stretches out from this aperture 163.
In addition, described liquid reserve tank bottom also can be provided with the hole of stretching out of inlet tube 101, aligns with the inlet tube 101 of pole cup, and the inlet tube 101 of pole cup is extend out to outside the liquid reserve tank.On liquid reserve tank, be not provided with inlet tube 101 stretch out the hole time, the inlet tube 101 of pole cup can extend out to outside the liquid reserve tank through the opening of liquid reserve tank by the flexible pipe of emulsion tube or other resistance to acid attack.
By aforesaid electrochemical cell, just can realize real-time measurement to associated electrical chemical parameters in the acid cleaning process.Utilize the result who measures in real time, can make things convenient for real-time acid cleaning process is controlled.For example,, can regulate the concentration of pickle according to the corrosion speed of real-time measurement, thus the control corrosion speed.During measurement, measuring sonde is installed in the pole cup by the stationary installation on the pole cup, and pickle is entered by the inlet tube of pole cup bottom, is discharged by first outage on pole cup top.
By aforesaid electrochemical cell, just can realize real-time measurement to associated electrical chemical parameters in the acid cleaning process.Utilize the result who measures in real time, can make things convenient in real time acid cleaning process is controlled.For example,, can regulate the concentration of pickle according to the corrosion speed of real-time measurement, thus the control corrosion speed.During measurement, measuring sonde is installed in the pole cup by the stationary installation on the pole cup, pickle is entered by the inlet tube of pole cup bottom, is flowed out by first outage on pole cup top to enter liquid reserve tank, concentrates at last by second outage of liquid reserve tank bottom and discharges.
As shown in table 1 below for utilizing electrochemical cell shown in Figure 1 real-time detection data to the acid cleaning process of coming.
The Electrochemical Detection data are cleaned in the boiler acid of capital, table 1. Inner Mongol grand generating Ltd
The electrochemical cell of the utility model embodiment be not only applicable to in the acid cleaning process to the measurement of corrosion speed and electrode potential, also can be used for carrying out the measurement of other electrochemical parameters.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. an electrochemical cell is characterized in that, comprising:
Pole cup, its bottom is provided with inlet tube, and its sidewall is provided with at least two equally distributed first outages;
Stationary installation is positioned at the top of described pole cup, be used for fixing electrode is installed measuring sonde in pole cup; And
Liquid reserve tank is used to hold described pole cup and reaches the measuring media of getting rid of from first outage of pole cup, and this liquid reserve tank bottom or sidewall are provided with second outage.
2. electrochemical cell according to claim 1 is characterized in that:
Described liquid reserve tank is provided with inlet tube and stretches out the hole, and the inlet tube of described pole cup stretches out the hole through this and extend out to outside the liquid reserve tank.
3. electrochemical cell according to claim 1 is characterized in that:
Described stationary installation comprises bowl cover with holes, and measuring sonde extend in the pole cup through the hole of bowl cover.
4. electrochemical cell according to claim 3 is characterized in that:
Form hermetically-sealed construction between described bowl cover and the pole cup and between described bowl cover and the measuring sonde.
5. electrochemical cell according to claim 1 is characterized in that:
The position of described first outage is higher than the position of measuring sonde top electrode.
6. electrochemical cell according to claim 2 is characterized in that:
Described liquid reserve tank is provided with gland bonnet.
7. electrochemical cell according to claim 3 is characterized in that:
Described first outage and second outage respectively are provided with stopple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107236XU CN201438182U (en) | 2009-04-21 | 2009-04-21 | Electrochemical electrolytic bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107236XU CN201438182U (en) | 2009-04-21 | 2009-04-21 | Electrochemical electrolytic bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438182U true CN201438182U (en) | 2010-04-14 |
Family
ID=42400156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107236XU Expired - Lifetime CN201438182U (en) | 2009-04-21 | 2009-04-21 | Electrochemical electrolytic bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539496A (en) * | 2012-02-09 | 2012-07-04 | 中国科学院长春应用化学研究所 | Embedded type magnetic stirring device |
-
2009
- 2009-04-21 CN CN200920107236XU patent/CN201438182U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539496A (en) * | 2012-02-09 | 2012-07-04 | 中国科学院长春应用化学研究所 | Embedded type magnetic stirring device |
| CN102539496B (en) * | 2012-02-09 | 2013-11-27 | 中国科学院长春应用化学研究所 | Embedded type magnetic stirring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NORTH CHINA POWER SCIENCE RESEARCH INST., CO., LTD Effective date: 20131029 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: NORTH CHINA POWER SCIENCE RESEARCH INST., CO., LTD. Effective date: 20131029 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100045 XICHENG, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131029 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: North China Electrical Power Research Institute LLC Address before: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Patentee before: North China Electrical Power Research Institute LLC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |
|
| CX01 | Expiry of patent term |