CN202994715U - Double-cell test device for hydrogen penetration of metal - Google Patents
Double-cell test device for hydrogen penetration of metal Download PDFInfo
- Publication number
- CN202994715U CN202994715U CN 201220691601 CN201220691601U CN202994715U CN 202994715 U CN202994715 U CN 202994715U CN 201220691601 CN201220691601 CN 201220691601 CN 201220691601 U CN201220691601 U CN 201220691601U CN 202994715 U CN202994715 U CN 202994715U
- Authority
- CN
- China
- Prior art keywords
- solution
- sample
- vial
- electrode
- test device
- 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 - Fee Related
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to a double-cell test device for hydrogen penetration of metal used in a H2S environment. According to the technical scheme, the test device comprises a glass bottle functioning as a cathode cell, a glass tank functioning as an anode cell, a constant potential or current meter, a reference electrode, an electrochemical workstation, an electrode and a sample fixture, wherein an H2S solution is filled in the glass bottle, a NaOH solution is filled in the glass tank, the nickel plated surface of a metal sheet sample, which functions as a detected surface, is exposed to the NaOH solution, the other surface of the metal sheet sample is exposed to the H2S solution, the metal sample is fixed and sealed by the sample fixture, the H2S solution is pumped into the glass bottle through a liquid inlet pipe on the glass bottle, and overflow gas enters a balloon. The double-cell test device has the beneficial effects that shortages of difficult loading and gripping of a double-cell sample, inaccurate electrode mounting position, poor sealing performance of the H2S solution and the like in the past are overcome. In addition, two electrolytic cells are conveniently assembled without need of a corresponding mechanical assembly, and heating temperature control for the whole test device is pretty convenient.
Description
Technical field
The utility model relates to a kind of experimental provision, and is particularly a kind of for H
2Metallic hydrogen infiltration double cell experimental provision under the S environment.
Background technology
At present, hydrocarbon resources is more and more in short supply, and oil exploitation has entered the middle and later periods.Deep-well, ultra deep well and deep-sea oil have been exploited into tendency.The problem that these hydrocarbon resources exploitations face is exactly to contain increasing H in oil gas
2S/CO
2Temperature in the sour gas extremely strong etc. corrosivity, and along with oil well develops to ultra deep well, oil well, pressure are all higher, cause like this Frequent Accidents such as oil-gas pipe material burn into hydrogen induced cracking.Therefore, under hydrogen permeation behavior, especially the H2S environment of research metal, the hydrogen permeation behavior of metal has great importance.
For the research of the hydrogen permeation behavior of metal, mostly from material research itself, be placed on metal or with the metal of corrosion product study in corrosion environment also fewer.The hydrogen permeation behavior of research metal is all generally to adopt hydrogen infiltration double cell, but for existing device, the clamping of sample is more difficult, and electrode is difficult to well be placed in position accurately.In addition, due to H
2S has severe toxicity, H
2S solution seals in device and will get well, and prevent that oxygen from entering impact experiment and H
2S severe toxicity gas overflowing.Therefore, to have special safeguard procedures be necessary to the hydrogen permeability experimental facility.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, and a kind of metallic hydrogen infiltration double cell experimental provision is provided, and has overcome double cell specimen clamping difficulty in the past, and the electrode installation site is inaccurate, H
2The shortcomings such as S solution poor sealing; In addition, two electrolytic cells are easy to assembly, do not need corresponding machinery assembling, whole experimental provision added the heat control temperature more convenient.
Its technical scheme is: comprise vial, the glass box as anode pool, constant potential or electric current instrument, contrast electrode, electrochemical workstation, electrode and specimen holder as cathode pool, H is housed in vial
2S solution is equipped with NaOH solution in glass box, be exposed in NaOH solution as the one side of the sheet metal sample nickel plating of detection faces, and another side is exposed to H
2In S solution, test button is fixed by specimen holder and is sealed, H
2S solution is pressed into vial by the feed tube on vial, and the gas that overflows enters in balloon; Contrast electrode is connected with constant potential or electric current instrument.
Above-mentioned specimen holder is made by two blocks of organic glass, and half fixes on vial with silica gel solid, is connected with second half fixture by bolt, teflon gasket is installed on fixture plays the seal sample effect.
The top of above-mentioned vial is provided with rubber plug, and electrode is connected with electrochemical workstation; Salt bridge is placed in specimen surface 2-3mm distance; Wire is connected with sample.
The beneficial effects of the utility model are: apply a continuous current or constant potential by constant potential/electric current instrument to oozing the hydrogen sample, in the anode pool side, detect hydrogenation electric current by electrochemical workstation, the final hydrogen infiltration current density curve that obtains, with the hydrogen permeation behavior of characterizing metal, experimental provision is simple; Overcome double cell specimen clamping difficulty in the past, the electrode installation site is inaccurate, H
2The shortcomings such as S solution poor sealing.In addition, two electrolytic cells are easy to assembly, do not need corresponding machinery assembling, whole experimental provision added the heat control temperature more convenient.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model;
Embodiment
By reference to the accompanying drawings 1, the utility model will be further described:
The utility model comprises vial 5, the glass box 7 as anode pool, Potentiostat 1, feed tube 2, balloon 3, rubber plug 4, contrast electrode 6, specimen holder 8, electrode 9, salt bridge 10, wire 11, the electrochemical workstation 12 as cathode pool, in vial 5, H is housed
2S solution is equipped with NaOH solution in glass box 7, be exposed in NaOH solution as the one side of the sheet metal sample nickel plating of detection faces, and another side is exposed to H
2In S solution, test button is fixing and sealing by specimen holder 8, H
2S solution is pressed into vial 5 by the feed tube 2 on vial 5, and the gas that overflows enters in balloon 3; Contrast electrode 6 is connected with constant potential or electric current instrument 1, and good sealing is so not only arranged, and can also guarantee H
2The concentration of S solution.Apply a continuous current or constant potential by constant potential or electric current instrument to oozing the hydrogen sample, in the anode pool side, detect hydrogenation electric current by electrochemical workstation, finally obtain hydrogen infiltration current density curve, with the hydrogen permeation behavior of characterizing metal.Experimental provision is simple.
As Fig. 1, constant potential or electric current instrument 1 are mainly used in test button is applied a continuous current or constant potential, to play the cathodic polarization effect; Feed tube 2 is used for pushing H to vial
2S solution, solution is squeezed compress into after, feed tube is sealed, and can avoid like this solution to contact with oxygen and toxic gas H
2S overflows; Balloon 3 is connected with glass tube, is convenient to like this press solution and H
2The gases such as S can be collected in balloon; Rubber plug 4 is used for the sealed glass jars cathode pool; Vial 5 fills H
2S solution, as cathode pool, vial can take out from glass box; Contrast electrode 6 is connected with constant potential/electric current instrument; Glass box 7 is as anode pool, in-built NaOH solution; Specimen holder 8 specimen holders are made by two blocks of organic glass, and half fixes on vial with silica gel solid, are connected with second half fixture by bolt, and sample holder is equipped with teflon gasket and plays the seal sample effect between two fixtures on fixture; Electrode 9 is connected with electrochemical workstation; Salt bridge 10 is placed in specimen surface 2-3mm distance; Wire 11 is connected with sample; Electrochemical workstation 12 is for detection of specimen surface hydrogen infiltration current density.Hydrogen infiltration current density can be detected by this device, but the hydrogen permeation behavior of last characterizing metal.
Claims (3)
1. a metallic hydrogen permeates the double cell experimental provision, it is characterized in that: comprise vial (5), the glass box (7) as anode pool, constant potential or electric current instrument (1), contrast electrode (6), electrochemical workstation (12), electrode (9) and specimen holder (8) as cathode pool, vial is equipped with H in (5)
2S solution, glass box is equipped with NaOH solution in (7), is exposed in NaOH solution as the one side of the sheet metal sample nickel plating of detection faces, and another side is exposed to H
2In S solution, test button is fixing and sealing by specimen holder (8), H
2S solution is pressed into vial (5) by the feed tube (2) on vial (5), and the gas that overflows enters in balloon (3); Contrast electrode (6) is connected with constant potential or electric current instrument (1).
2. metallic hydrogen according to claim 1 permeates the double cell experimental provision, it is characterized in that: described specimen holder (8) is made by two blocks of organic glass, half fixes on vial with silica gel solid, be connected with second half fixture by bolt, teflon gasket be installed on fixture play the seal sample effect.
3. metallic hydrogen according to claim 1 permeates the double cell experimental provision, and it is characterized in that: the top of described vial (5) is provided with rubber plug (4), and electrode (9) is connected with electrochemical workstation; Salt bridge (10) is placed in specimen surface 2-3mm distance; Wire (11) is connected with sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220691601 CN202994715U (en) | 2012-12-14 | 2012-12-14 | Double-cell test device for hydrogen penetration of metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220691601 CN202994715U (en) | 2012-12-14 | 2012-12-14 | Double-cell test device for hydrogen penetration of metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994715U true CN202994715U (en) | 2013-06-12 |
Family
ID=48565885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220691601 Expired - Fee Related CN202994715U (en) | 2012-12-14 | 2012-12-14 | Double-cell test device for hydrogen penetration of metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994715U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630465A (en) * | 2013-12-11 | 2014-03-12 | 江苏科技大学 | Determination device for metallic hydrogen diffusion current |
| CN107796739A (en) * | 2017-10-17 | 2018-03-13 | 中石化炼化工程（集团）股份有限公司 | The devices and methods therefor that metallic hydrogen penetrating quality is tested under wet gas environments |
| CN109444218A (en) * | 2018-12-17 | 2019-03-08 | 西南科技大学 | Improved ambient condition simulator and application method in a kind of reaction of oxidation kinetics |
| CN112630273A (en) * | 2020-12-30 | 2021-04-09 | 核工业西南物理研究院 | Electrochemical hydrogen permeation electrolytic cell in multi-atmosphere environment and application method thereof |
| CN114364975A (en) * | 2019-09-11 | 2022-04-15 | 株式会社神户制钢所 | Hydrogen permeation test device |
| CN114371119A (en) * | 2021-12-10 | 2022-04-19 | 核工业西南物理研究院 | Liquid metal multi-sample constant-load stress corrosion test device and method |
-
2012
- 2012-12-14 CN CN 201220691601 patent/CN202994715U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630465A (en) * | 2013-12-11 | 2014-03-12 | 江苏科技大学 | Determination device for metallic hydrogen diffusion current |
| CN107796739A (en) * | 2017-10-17 | 2018-03-13 | 中石化炼化工程（集团）股份有限公司 | The devices and methods therefor that metallic hydrogen penetrating quality is tested under wet gas environments |
| CN107796739B (en) * | 2017-10-17 | 2020-06-12 | 中石化炼化工程（集团）股份有限公司 | Device and method for testing metal hydrogen permeability in moisture environment |
| CN109444218A (en) * | 2018-12-17 | 2019-03-08 | 西南科技大学 | Improved ambient condition simulator and application method in a kind of reaction of oxidation kinetics |
| CN109444218B (en) * | 2018-12-17 | 2024-02-20 | 西南科技大学 | Improved environment state simulation device in oxidation kinetics reaction and use method |
| CN114364975A (en) * | 2019-09-11 | 2022-04-15 | 株式会社神户制钢所 | Hydrogen permeation test device |
| CN114364975B (en) * | 2019-09-11 | 2024-02-20 | 株式会社神户制钢所 | Hydrogen permeation test device |
| CN112630273A (en) * | 2020-12-30 | 2021-04-09 | 核工业西南物理研究院 | Electrochemical hydrogen permeation electrolytic cell in multi-atmosphere environment and application method thereof |
| CN114371119A (en) * | 2021-12-10 | 2022-04-19 | 核工业西南物理研究院 | Liquid metal multi-sample constant-load stress corrosion test device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202994715U (en) | Double-cell test device for hydrogen penetration of metal | |
| CN102323308B (en) | Device and method for researching hydrogen permeation behavior of metal subjected to dead-load pulling stress in gaseous medium | |
| CN103398942B (en) | Metal regional area hydrogen permeation behavior experimental provision | |
| WO2014060949A3 (en) | Electrochemical hydrogen sensor | |
| CN102809525A (en) | Device and method of testing hydrogen diffusion coefficient of steel and iron material at low temperature | |
| CN104897490B (en) | High Pressure Hydrogen penetration kinetics test device and method of testing | |
| CN203083889U (en) | Corrosion fatigue three-point bending crack propagation testing device | |
| CN105300874A (en) | Stress corrosion and hydrogen measuring electrochemical in-situ measurement device under slow strain speed condition | |
| CN103792182B (en) | A kind of double-electrolyzer and application of simulating underdeposit corrosion | |
| CN204831998U (en) | A hydrogen sulfide hydrogen infiltration testing arrangement for steel corrosion test | |
| CN102288654B (en) | Device and method for research on hydrogen permeation of metal in acidic atmospheric medium | |
| CN103808648A (en) | Atmospheric environment corrosion testing device for high sulfur natural gas purification plant | |
| CN104880400B (en) | High Pressure Hydrogen pervasion test device and method of testing | |
| US9410932B2 (en) | Method of measuring dissolved methane in seawater | |
| CN100510735C (en) | Evaluating method for hydrogen penetrating quality of coating material | |
| CN103630465A (en) | Determination device for metallic hydrogen diffusion current | |
| CN202024952U (en) | Concrete permeability test clamp holder | |
| CN209476025U (en) | It is a kind of to determine gas liquid dispensing device | |
| CN204255822U (en) | A kind of nickel-base alloy pitting resistance evaluating apparatus | |
| CN103149254B (en) | Surface coating performance testing device and evaluation method for timber, concrete or other materials | |
| CN202735294U (en) | Dual-purpose type electrochemical capacitor testing device | |
| CN205593884U (en) | Measure diffusion equipment of hydrogen in metal | |
| CN102323205B (en) | Method for detecting hydrogen permeation current and hydrogen distribution at metal stress corrosion crack | |
| CN203287295U (en) | Air permeability testing device for proton exchange membrane fuel cell membrane electrode assembly | |
| CN104359955B (en) | A kind of Novel electrolytic tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131214 |