CN206862844U - A kind of metal local corrosion device in simulated solution - Google Patents
A kind of metal local corrosion device in simulated solution Download PDFInfo
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- CN206862844U CN206862844U CN201720469593.5U CN201720469593U CN206862844U CN 206862844 U CN206862844 U CN 206862844U CN 201720469593 U CN201720469593 U CN 201720469593U CN 206862844 U CN206862844 U CN 206862844U
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- glass
- test
- serum cap
- test glass
- sample
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- 238000005260 corrosion Methods 0.000 title claims abstract description 35
- 230000007797 corrosion Effects 0.000 title claims abstract description 35
- 239000002184 metal Substances 0.000 title claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 75
- 210000002966 serum Anatomy 0.000 claims abstract description 25
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 15
- 239000002689 soil Substances 0.000 description 7
- 230000003628 erosive effect Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000012085 test solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 239000005343 cylinder glass Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
A kind of metal local corrosion device in simulated solution, including gas cylinder（1）, flowmeter（2）, serum cap（3）, glass guide channel（4）, heating oscillator（5）, thermometer（6）, potentiostat（7）, reference electrode（8）, test glass（9）, test glass lid（10）, barrier film（12）, short tube（13）, interior sample（11）With outer sample（14）.The utility model apparatus structure is simple, possesses multiple functions, can fast and effectively analyze negative electrode, the anodic attack mechanism of test button local corrosion, and all kinds of ion pair test button corrosion impact situations, even influence of the corrosion inhibiter to local corrosion.
Description
Technical field
A kind of metal local corrosion device in simulated solution is the utility model is related to, belongs to metal erosion technical field.
Background technology
Corrosive medium increase metal material triggers spot corrosion, crevice corrosion etc. local rotten the sensitiveness of local corrosion
Erosion, so as to cause huge economic loss and environmental loss.The wherein local corrosion such as spot corrosion, crevice corrosion has a common trait,
I.e. local corrosion region is prevented with external solution convection current, and so as to form " simulating occluded corrosion cell ", block section that is to say part
Corrode most critical position, control occluded corrosion cell corrosion is the effective way for fundamentally preventing local corrosion.
The content of the invention
The object of the present invention is in order to study influence and part of the factors such as corrosion inhibiter, all kinds of ions to local corrosion
The negative electrode of corrosion, anodic attack mechanism, the utility model provide a kind of metal local corrosion device in simulated solution.
The technical solution of the utility model is as follows：A kind of metal local corrosion device in simulated solution, including gas cylinder,
Flowmeter, serum cap, glass guide channel, heating oscillator, thermometer, potentiostat, reference electrode, test glass, test glass lid, barrier film,
Short tube, interior sample and outer sample.
The glass guide channel is heavy caliber circle tube glass container, and top-open portion is equipped with serum cap, the glass trench bottom
Provided with heating oscillator；Center is placed with test glass on heating oscillator, and test glass lid is stamped on test glass；Pipeline is connected in the gas cylinder
Glass guide channel bottom is directly stretched by serum cap, flowmeter is provided between gas cylinder mouth and serum cap and on pipeline；Connect thermometer
Thermocouple is passed through in serum cap straight cutting glass guide channel；Reference electrode and interior sample, reference electrode and interior sample phase are placed with test glass
At a certain distance；The wire of connection reference electrode connects the electrode terminal of potentiostat through test glass lid with serum cap；Connection
The wire of interior sample connects the positive pole of potentiostat through test glass lid with serum cap；Outer examination is placed in glass guide channel outside test glass
Sample, the wire of outer sample is connected through the negative pole of serum cap connection potentiostat；Test glass side wall is provided with short tube, and short tube is by test glass
Space is connected with glass slot space, and barrier film is provided with short tube.
The heating oscillator can heat concussion to the test solution in glass guide channel.
It is filled with barrier film in the short tube, the Convention diffusion of solution, causes blocked state inside and outside prevention.
Any chemical reaction does not occur for test solution in test solution and test glass in the glass guide channel.
Operation principle of the present utility model is that the utility model is the sample in glass guide channel and in test glass, as a corruption
Erosion is overall, is divided into two by barrier film, and the sample in glass guide channel is local corrosion area, and the sample in test glass is non-corrosion region,
Shadow of the different factors to local corrosion is studied by changing external environment (such as gas, temperature, ion concentration, voltage, electric current)
Ring.
The beneficial effects of the utility model are that the utility model apparatus structure is simple, possess multiple functions, can be fast and effective
The analysis negative electrode of test button local corrosion, anodic attack mechanism, and all kinds of ion pair test button corrosion impact situations,
Even influence of the corrosion inhibiter to local corrosion.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device；
In figure, 1 is gas cylinder；2 be flowmeter；3 be serum cap；4 be glass guide channel；5 be heating oscillator；6 be thermometer；7
It is potentiostat；8 be reference electrode；9 be test glass；10 be test glass lid；11 be interior sample；12 be barrier film；13 be short tube；14 are
Outer sample.
Embodiment
Specific embodiment of the present utility model is as shown in Figure 1.
A kind of metal local corrosion device in simulated solution of the present embodiment, including gas cylinder 1, flowmeter 2, serum cap 3,
Glass guide channel 4, heating oscillator 5, thermometer 6, potentiostat 7, reference electrode 8, test glass 9, test glass lid 10, barrier film 12, short tube
13rd, interior sample 11 and outer sample 14.
The glass guide channel 4 is heavy caliber circle tube glass container, and top-open portion is equipped with and opens foraminate serum cap 3, institute
State the bottom of glass guide channel 4 and be provided with heating oscillator 5；Center is placed with test glass 9 on heating oscillator 5, be stamped on test glass 9 be provided with it is small
The test glass lid 10 in hole；Airway tube is connected in the gas cylinder 1 bottom of glass guide channel 4 is directly stretched by serum cap, in gas cylinder mouth and serum cap
Between airway tube be provided with flowmeter 2；The thermocouple for connecting thermometer 6 is passed through in the straight cutting glass guide channel 4 of serum cap 3；In test glass
Reference electrode 8 and interior sample 11 are placed with, reference electrode 8 and interior sample 11 are separated by a distance；Connect the wire of reference electrode 8
The electrode terminal of potentiostat 7 is connected with serum cap through test glass lid；The wire of sample 11 passes through test glass lid and rubber in connection
The positive pole of Jiao Gai connections potentiostat 7；Outer sample 14 is placed in glass guide channel 4 outside test glass, the wire for connecting outer sample 14 is worn
Cross the negative pole of serum cap connection potentiostat 7；The side wall of test glass 9 is provided with short tube 13, and short tube is by space in test glass and glass slot space
Connect, barrier film 12 is filled with short tube.
Glass guide channel is interior and the liquid of test glass holding is all Simulated Soil Solution, and the compound method of wherein Simulated Soil Solution is more
Kind is various, takes its supernatant to be pressed as Simulated Soil Solution, then with chemical reagent and water generally according to certain water and soil mixed liquor
Solution is prepared as Simulated Soil Solution according to certain ratio, during experiment, because there is the presence of barrier film, can be caused interior
Different changes occurs for outer liquid component, and this is also that inside and outside sample corrodes one of inconsistent factor.In glass guide channel and test glass
The liquid of holding is all Simulated Soil Solution, can also change some composition in the Simulated Soil Solution in glass guide channel or in test glass
Content (such as chlorion), to study initial inside and outside influence of the sample corrosive environment difference to local corrosion.
Claims (2)
- A kind of 1. metal local corrosion device in simulated solution, it is characterised in that described device include gas cylinder, flowmeter, It is serum cap, glass guide channel, heating oscillator, thermometer, potentiostat, reference electrode, test glass, test glass lid, barrier film, short tube, interior Sample and outer sample；The glass guide channel is heavy caliber circle tube glass container, and top-open portion is equipped with serum cap, and the glass trench bottom is provided with Heating oscillator；Center is placed with test glass on heating oscillator, and test glass lid is stamped on test glass；The gas cylinder is connected to pipeline, the pipe Glass guide channel bottom is directly stretched in road by serum cap, and flowmeter is provided with the pipeline between gas cylinder mouth and serum cap；Connect thermometer Thermocouple through in serum cap straight cutting glass guide channel；Reference electrode and interior sample, reference electrode and interior sample are placed with test glass It is separated by a distance；The wire of connection reference electrode connects the electrode terminal of potentiostat through test glass lid with serum cap；Even The wire for connecing interior sample connects the positive pole of potentiostat through test glass lid with serum cap；Outer examination is placed in glass guide channel outside test glass Sample, the wire of outer sample is connected through the negative pole of serum cap connection potentiostat；Test glass side wall is provided with short tube, and short tube is by test glass Space is connected with glass slot space, and barrier film is provided with short tube.
- 2. a kind of metal local corrosion device in simulated solution according to claim 1, it is characterised in that described short It is filled with barrier film in pipe, the Convention diffusion of solution, causes blocked state inside and outside prevention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469593.5U CN206862844U (en) | 2017-05-02 | 2017-05-02 | A kind of metal local corrosion device in simulated solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469593.5U CN206862844U (en) | 2017-05-02 | 2017-05-02 | A kind of metal local corrosion device in simulated solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206862844U true CN206862844U (en) | 2018-01-09 |
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ID=60822267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469593.5U Expired - Fee Related CN206862844U (en) | 2017-05-02 | 2017-05-02 | A kind of metal local corrosion device in simulated solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206862844U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194518A (en) * | 2019-05-31 | 2019-09-03 | 大连理工大学 | Iron concentration control method in a kind of drinking water distributing system |
| CN111239038A (en) * | 2020-01-21 | 2020-06-05 | 南京工业大学 | Simulation device for on-line continuous monitoring of metal local corrosion process and determination method thereof |
| CN111289428A (en) * | 2020-01-21 | 2020-06-16 | 南京工业大学 | Fluorine-chlorine ion transmission channel of metal local corrosion blocking battery simulation device |
-
2017
- 2017-05-02 CN CN201720469593.5U patent/CN206862844U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194518A (en) * | 2019-05-31 | 2019-09-03 | 大连理工大学 | Iron concentration control method in a kind of drinking water distributing system |
| CN111239038A (en) * | 2020-01-21 | 2020-06-05 | 南京工业大学 | Simulation device for on-line continuous monitoring of metal local corrosion process and determination method thereof |
| CN111289428A (en) * | 2020-01-21 | 2020-06-16 | 南京工业大学 | Fluorine-chlorine ion transmission channel of metal local corrosion blocking battery simulation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |