CN109540619A - A kind of electrochemistry is flushed with hydrogen electrolyte - Google Patents
A kind of electrochemistry is flushed with hydrogen electrolyte Download PDFInfo
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- CN109540619A CN109540619A CN201811404536.4A CN201811404536A CN109540619A CN 109540619 A CN109540619 A CN 109540619A CN 201811404536 A CN201811404536 A CN 201811404536A CN 109540619 A CN109540619 A CN 109540619A
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Abstract
The invention belongs to electrochemical metals to be flushed with hydrogen technical field, and in particular to a kind of electrochemistry is flushed with hydrogen electrolyte.A kind of electrochemistry of the invention is flushed with hydrogen electrolyte, including acid, corrosion inhibiter, Yan Heshui, it is water that every 1000g electrochemistry, which is flushed with hydrogen electrolyte including acid 25-270g, corrosion inhibiter 0.05-1.5g, salt 5-30g, surplus, electrolyte, which is flushed with hydrogen, compared to tradition corrosion often is caused to metal or with the continuous progress for the process being flushed with hydrogen, the phenomenon that being flushed with hydrogen the effect of electrolyte constantly reduces, one kind of the invention, which is flushed with hydrogen electrolyte, can reduce to metallic material corrosion and stablize the electrochemistry that is flushed with hydrogen and be flushed with hydrogen electrolyte.
Description
Technical field
The invention belongs to electrochemical metals to be flushed with hydrogen technical field, and in particular to a kind of electrochemistry is flushed with hydrogen electrolyte.
Background technique
Hydrogen is spread in metal material, regional area enrichment be more than critical concentration after will crack initiation, in external force
Under effect, crackle, which constantly extends, to be caused to be broken (hydrogen embrittlement), to cause sudden pernicious malicious event.In metal material research,
Influence of the Study of Hydrogen to metal is needed, and in the material produced, the content of hydrogen itself may be very low, it is therefore desirable to metal material
Material is flushed with hydrogen, to test influence of the hydrogen to metal material performance.
The existing electrolyte that is flushed with hydrogen often causes corrosion to metal or with the continuous progress for the process being flushed with hydrogen, is flushed with hydrogen electricity
The effect of solution liquid constantly reduces, it is therefore desirable to which one kind, which can reduce, fills metallic material corrosion and the stable electrochemistry being flushed with hydrogen
Hydrogen electrolyte.
Summary of the invention
Goal of the invention of the invention is that providing one kind can reduce to metallic material corrosion, and extension is flushed with hydrogen electrolyte use
The electrochemistry of time is flushed with hydrogen electrolyte.In view of the above problems, a kind of electrochemistry is provided and is flushed with hydrogen electrolyte.
The technical solution adopted by the invention is as follows:
A kind of electrochemistry is flushed with hydrogen electrolyte, including acid, corrosion inhibiter, Yan Heshui, and the acid, corrosion inhibiter, salt and water are uniformly mixed shape
Electrolyte is flushed with hydrogen at electrochemistry.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, it includes the acid that every 1000g electrochemistry, which is flushed with hydrogen electrolyte,
25-270g, corrosion inhibiter 0.05-1.5g, salt 5-30g, surplus are water.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the acid is the mixed acid of sulfuric acid and acetic acid.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, it includes the sulfuric acid that every 1000g electrochemistry, which is flushed with hydrogen electrolyte,
20-90g, acetic acid 5-180g.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the sulfuric acid is the concentrated sulfuric acid of concentration 98%.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the acetic acid is glacial acetic acid.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the corrosion inhibiter is Allyl thiourea or thiocarbamide.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the Allyl thiourea or thiocarbamide are flushed with hydrogen electricity in electrochemistry
Poisonous agent is acted also as in solution liquid.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the salt is sodium chloride or sodium sulphate.
Further, it is flushed with hydrogen in electrolyte in above-mentioned electrochemistry, the water is distilled water.
The course of work that a kind of electrochemistry of the invention is flushed with hydrogen electrolyte is as follows: sample to be flushed with hydrogen is placed in equipped with electrification
The cathode for being flushed with hydrogen the electrolytic cell of electrolyte is learned, platinized platinum is cooked anode.Electrochemistry is flushed with hydrogen electrolyte electrolysis water under the function of current and forms H+, H+Electronics is obtained in cathode, forms Hydrogen chemisorption in cathode surface, hydrogen atom a part of absorption is entered by adsorption and diffusion
Sample carries out electrochemistry to sample and is flushed with hydrogen；Another part is combined into hydrogen molecule in specimen surface, becomes H2Bubble evolution electrolysis
Liquid.
It should be noted that there is electrochemical corrosion during the work time and hydrogen atom is combined into hydrogen molecule evolution phenomenon；
Electrochemical corrosion sample will affect test hydrogen to metal material performance as a result, hydrogen atom, which is combined into hydrogen molecule evolution, will affect electricity
Chemical hydrogen charged efficiency.By adding the thiocarbamide or Allyl thiourea of appropriate amount, it is existing electrochemical corrosion can be reduced as corrosion inhibiter
As, and hydrogen atom can be prevented to be combined into hydrogen molecule evolution as poisonous agent, increase is flushed with hydrogen efficiency.
It should be noted that being flushed with hydrogen electrolyte using the electrochemistry of acid or salt merely compared to tradition, the present invention is using mixing
The use time that electrochemistry is flushed with hydrogen electrolyte can be significantly increased in the matched combined of acid and salt.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are: can to metal material into
Row electrochemistry reduces electrochemical corrosion phenomenon during being flushed with hydrogen, to reduce influence of the corrosion to test hydrogen to metal material performance；
And continual and steady metal material can be flushed with hydrogen, raising is flushed with hydrogen efficiency, and extension is flushed with hydrogen electrolyte and uses the time.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
The present invention is illustrated with specific embodiment below
Embodiment 1
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 20g, acetic acid 5g, acrylic sulphur
Urea 0.05g, sodium chloride 5g and distilled water 969.95g), then it is flushed with hydrogen under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 225h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 2
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 90g, acetic acid 180g, acrylic
Thiocarbamide 1.5g, sodium chloride 30g and distilled water 698.5g), then filled under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Hydrogen electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 240h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 3
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, acrylic sulphur
Urea 0.75g, sodium chloride 18g and distilled water 836.25g), then filled under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Hydrogen electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 230h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 4
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 20g, acetic acid 5g, thiocarbamide
0.05g, sodium chloride 5g and distilled water 969.95g), then electricity is flushed with hydrogen with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Solution liquid carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 225h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 5
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 90g, acetic acid 180g, thiocarbamide
1.5g, sodium chloride 30g and distilled water 698.5g), then electricity is flushed with hydrogen with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Solution liquid carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 240h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 6
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, thiocarbamide
0.75g, sodium chloride 18g and distilled water 836.25g), then it is flushed with hydrogen under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Electrolyte carries out stainless steel to be flushed with hydrogen 144h.
This electrochemistry be flushed with hydrogen electrolyte this electrochemistry be flushed with hydrogen electrolyte be flushed with hydrogen the time be more than be flushed with hydrogen after 230h efficiency it is obvious under
Drop.
Embodiment 7
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 20g, acetic acid 5g, acrylic sulphur
Urea 0.05g, sodium sulphate 5g and distilled water 969.95g), then it is flushed with hydrogen under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 225h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 8
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 90g, acetic acid 180g, acrylic
Thiocarbamide 1.5g, sodium sulphate 30g and distilled water 698.5g), then filled under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Hydrogen electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 240h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 9
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, acrylic sulphur
Urea 0.75g, sodium sulphate 18g and distilled water 836.25g), then filled under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Hydrogen electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 230h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 10
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 20g, acetic acid 5g, thiocarbamide
0.05g, sodium sulphate 5g and distilled water 969.95g), then electricity is flushed with hydrogen with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Solution liquid carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 225h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 11
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 90g, acetic acid 180g, thiocarbamide
1.5g, sodium sulphate 30g and distilled water 698.5g), then electricity is flushed with hydrogen with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Solution liquid carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 240h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Embodiment 12
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, thiocarbamide
0.75g, sodium sulphate 18g and distilled water 836.25g), then it is flushed with hydrogen under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry
Electrolyte carries out stainless steel to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 230h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Comparative example 1
It has configured electrochemistry and has been flushed with hydrogen electrolyte (every 1000g electrolyte includes following components, sulfuric acid 55g and distilled water 945g), so
Electrolyte is flushed with hydrogen with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A afterwards stainless steel is carried out to be flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 200h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Comparative example 2
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, sodium chloride
18g and distilled water 837g), then under the conditions of 20 DEG C of temperature, electric current 0.07A with the electrochemistry be flushed with hydrogen electrolyte to stainless steel into
Row is flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 220h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Comparative example 3
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, thiocarbamide 0.75g, sodium chloride
18g and distilled water 926.25g), then electrolyte is flushed with hydrogen to stainless with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Steel carries out being flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 210h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Comparative example 4
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, thiocarbamide 2g,
Sodium chloride 30g and distilled water 823g), then electrolyte is flushed with hydrogen to not with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Rust steel carries out being flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 230h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Comparative example 5
Configured electrochemistry be flushed with hydrogen electrolyte (every 1000g electrolyte include following components, sulfuric acid 55g, acetic acid 90g, thiocarbamide 4g,
Sodium chloride 30g and distilled water 821g), then electrolyte is flushed with hydrogen to not with the electrochemistry under the conditions of 20 DEG C of temperature, electric current 0.07A
Rust steel carries out being flushed with hydrogen 144h.
It is more than to be flushed with hydrogen efficiency after 230h to be decreased obviously that this electrochemistry, which is flushed with hydrogen electrolyte and is flushed with hydrogen the time,.
Based on the above embodiments with comparative example, tests stainless steel inhibition efficiency and hydrogen content is as shown in the table:
From embodiment 3, embodiment 6 and comparative example 2, it can be seen that the electrolyte of addition thiocarbamide and Allyl thiourea is same
Under the conditions of being flushed with hydrogen, there is higher hydrogen content, thiocarbamide and Allyl thiourea can function as poisonous agent and hydrogen atom prevented to be combined into
Hydrogen molecule evolution, raising is flushed with hydrogen efficiency, and can not play the role of poisonous agent using other kinds of corrosion inhibiter.
From embodiment 1 to embodiment 12, in conjunction with comparative example 1 and comparative example 2, it can be seen that use sulfuric acid and vinegar in electrolyte
The mixed acid of acid can have 10% promotion for using the time using sulfuric acid than merely, and the electrolyte provided by the invention that is flushed with hydrogen is than existing
It is simple that the up time of 10-20% can be improved using the electrolyte that is flushed with hydrogen of sulfuric acid.
From embodiment 4 to embodiment 6, in conjunction with comparative example 4 and comparative example 5, it can be seen that corrosion inhibiter with additive amount increasing
Add, inhibition efficiency increases therewith, after density of corrosion inhibitor reaches 0.15%, when corrosion inhibiter additive amount is further added by, under inhibition efficiency
Drop.
In conclusion using a kind of electrochemistry of the invention be flushed with hydrogen electrolyte be can reduce to metallic material corrosion and
It stable can be flushed with hydrogen, extension is flushed with hydrogen electrolyte and is flushed with hydrogen electrolyte using the electrochemistry of time.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of electrochemistry is flushed with hydrogen electrolyte, it is characterised in that: including acid, corrosion inhibiter, Yan Heshui, the acid, corrosion inhibiter, salt and
Water is uniformly mixed and forms electrochemistry and be flushed with hydrogen electrolyte.
2. electrochemistry as described in claim 1 is flushed with hydrogen electrolyte, it is characterised in that: every 1000g electrochemistry is flushed with hydrogen electrolyte packet
Including the acid 25-270g, corrosion inhibiter 0.05-1.5g, salt 5-30g, surplus is water.
3. electrochemistry as described in claim 1 is flushed with hydrogen electrolyte, it is characterised in that: the acid is the mixing of sulfuric acid and acetic acid
Acid.
4. electrochemistry as claimed in claim 3 is flushed with hydrogen electrolyte, it is characterised in that: every 1000g electrochemistry is flushed with hydrogen electrolyte packet
Containing the sulfuric acid 20-90g, acetic acid 5-180g.
5. electrochemistry as claimed in claim 3 is flushed with hydrogen electrolyte, it is characterised in that: the sulfuric acid is the concentrated sulfuric acid of concentration 98%.
6. electrochemistry as claimed in claim 3 is flushed with hydrogen electrolyte, it is characterised in that: the acetic acid is glacial acetic acid.
7. electrochemistry as described in claim 1 is flushed with hydrogen electrolyte, it is characterised in that: the corrosion inhibiter is Allyl thiourea or sulphur
Urea.
8. electrochemistry as claimed in claim 7 is flushed with hydrogen electrolyte, it is characterised in that: the Allyl thiourea or thiocarbamide are in electrification
Be flushed with hydrogen in electrolyte acts also as poisonous agent.
9. electrochemistry as described in claim 1 is flushed with hydrogen electrolyte, it is characterised in that: the salt is sodium chloride or sodium sulphate.
10. electrochemistry as described in claim 1 is flushed with hydrogen electrolyte, it is characterised in that: the water is distilled water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811404536.4A CN109540619A (en) | 2018-11-23 | 2018-11-23 | A kind of electrochemistry is flushed with hydrogen electrolyte |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811404536.4A CN109540619A (en) | 2018-11-23 | 2018-11-23 | A kind of electrochemistry is flushed with hydrogen electrolyte |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530690A (en) * | 2019-07-24 | 2019-12-03 | 西安交通大学 | A kind of electrochemical cathode hydrogen filling method of metal and alloy sample |
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| CN86102078A (en) * | 1985-04-01 | 1986-10-01 | 标准石油公司 | Energy storage device and the amorphous metal alloy electrodes that is used for sour environment |
| CN103822825A (en) * | 2014-03-10 | 2014-05-28 | 北京科技大学 | Automatic timing device for constant load tensile testing equipment |
| CN107796752A (en) * | 2016-09-06 | 2018-03-13 | 鞍钢股份有限公司 | Method for measuring hydrogen induced cracking performance of steel in hydrogen sulfide corrosion environment |
-
2018
- 2018-11-23 CN CN201811404536.4A patent/CN109540619A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102078A (en) * | 1985-04-01 | 1986-10-01 | 标准石油公司 | Energy storage device and the amorphous metal alloy electrodes that is used for sour environment |
| CN103822825A (en) * | 2014-03-10 | 2014-05-28 | 北京科技大学 | Automatic timing device for constant load tensile testing equipment |
| CN107796752A (en) * | 2016-09-06 | 2018-03-13 | 鞍钢股份有限公司 | Method for measuring hydrogen induced cracking performance of steel in hydrogen sulfide corrosion environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530690A (en) * | 2019-07-24 | 2019-12-03 | 西安交通大学 | A kind of electrochemical cathode hydrogen filling method of metal and alloy sample |
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Application publication date: 20190329 |