CN108034947A - A kind of metal surface treating method - Google Patents
A kind of metal surface treating method Download PDFInfo
- Publication number
- CN108034947A CN108034947A CN201711315659.6A CN201711315659A CN108034947A CN 108034947 A CN108034947 A CN 108034947A CN 201711315659 A CN201711315659 A CN 201711315659A CN 108034947 A CN108034947 A CN 108034947A
- Authority
- CN
- China
- Prior art keywords
- metal surface
- acid solution
- corrosion
- pressure nozzle
- treating method
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention relates to a kind of metal surface treating method, comprise the following steps：To cleaning metal surface, to remove the grease of metal surface；Prepare acid solution, the concentration of acid solution is 3% 5%；Using high-pressure nozzle acid solution is sprayed to metal surface；Injection pressure is 20 30MPa；High-pressure nozzle is 1 3cm/ seconds relatively with the translational speed of metal surface；Metal surface after cleaning injection acid solution, and it is dry；Dried metal surface is coated into corrosion-inhibiting coating.The technical program to metal surface by spraying high pressure acid solution, so that with metal surface oxidation reaction occurs for acid solution, corrosion is gone out to invisible micro- hole, after corrosion-inhibiting coating is carried out, add the contact area of metal surface and corrosion-inhibiting coating and increase with reference to power, corrosion-inhibiting coating can effectively be reduced to separate with metal surface, reduce the risk that metal surface is corroded.
Description
Technical field
The invention belongs to field of metal surface treatment technology, particularly relates to a kind of metal surface treating method.
Background technology
Metal material is that existing application amount in the world is maximum, the widest metal material of application range, but metal material exists
During use, because contacted with the direct or indirect of external environment, and the oxidizable characteristic of metal material, every year, because
The corrosion of metal material and the loss that produces also result in the waste of the energy in terms of 10,000,000,000 dollars, so because metal
Loss is unmeasurable caused by corrosion.
In order to reduce the corrosion loss of metal material, over the past thousands of years, always search for solving the side of metallic material corrosion
Method or approach, but never realize.
Anticorrosion of the prior art to metal material be by using alloy, metal surface by plating, by gold
Metal surface sets the modes such as inorganic or organic coating to corrode to prevent or delay, such as by being coated with anti-corrosion material in metal surface
Or coating etc. carrys out anti-corrosion, but corrosion-inhibiting coating and the combination influential effect of metal surface be to the anti-corrosion of metal surface, because, anti-corrosion
Coating is easily separated in metal surface, and causes air to enter and corrode metal surface.
The content of the invention
The object of the present invention is to provide a kind of metal surface treating method, to improve the combination of corrosion-inhibiting coating and metal surface
Power, improves anticorrosion ability.
The present invention is achieved by the following technical solutions：
A kind of metal surface treating method, comprises the following steps：
1) to cleaning metal surface, to remove the grease of metal surface；
2) acid solution is prepared, the concentration of the acid solution is 3%-5%；
3) using high-pressure nozzle to metal surface injecting step 2) in acid solution；Injection pressure is 20-30MPa；
The high-pressure nozzle is 1-3cm/ seconds relatively with the translational speed of the metal surface；
4) cleaning step 3) metal surface after acid solution is sprayed, and it is dry；
5) dried metal surface is coated into corrosion-inhibiting coating.
The acid solution is sulfuric acid solution, salpeter solution or hydrochloric acid solution.
The center line of the high-pressure nozzle and the angle of the metal surface are less than 45 degree.
Multiple spray orifices are provided with the high-pressure nozzle, multiple spray orifices arrange for yi word pattern.
The metal surface is fixed on station in a vertical manner, the high-pressure nozzle from the upper end of the metal surface to
Move lower end.
The beneficial effects of the invention are as follows：
The technical program to metal surface by spraying high pressure acid solution so that with metal surface oxidation occurs for acid solution instead
Should, corrosion is gone out to invisible micro- hole, after corrosion-inhibiting coating is carried out, adds metal surface and corrosion-inhibiting coating
Contact area and increase with reference to power, can effectively reduce corrosion-inhibiting coating and be separated with metal surface, reduce metal surface be corroded
Risk.
Embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, following embodiment is only exemplary, only
It can be used for explanation and illustration technical scheme, and be not to be construed as the limitation to technical solution of the present invention.
The technical solution of the application is to increase the area of metal surface by praying for hole in metal surface manufacture, and is passed through
The shape in irregular micro- hole improves the combination power of metal surface and corrosion-inhibiting coating, to achieve the purpose that to improve anti-corrosion effect.
A kind of metal surface treating method, comprises the following steps：
1) to cleaning metal surface, to remove the grease of metal surface；The cleaning of this step is the cleaning of the prior art, clearly
The selection of lotion, scavenging period do not influence the realization of technical scheme, therefore, no in this step clearly
Ask, in the case of not having grease for some metal surfaces, this step can also be cancelled, but in order to improve metal surface with preventing
The combination effect of rotten coating, should retain this step.
2) acid solution is prepared, the concentration of acid solution is 3%-5%；In this application, mainly using strong acid, as sulfuric acid is molten
Liquid, salpeter solution or hydrochloric acid solution, in the other embodiments of the application, can also select other acid solutions, but need
Time by can it is longer, so increase metal surface with the external world time of contact, it is unfavorable to anti-corrosion, certainly in protective gas atmosphere
Under enclosing, other acid solutions can also be used.
In this application, the concentration of acid solution, can be to metal watch because acid solutions are excessive no more than more than 5%
The corrosion in face is accelerated, and the depth in so micro- hole is larger, can influence the flatness of metal surface, and can destroy the knot of metal surface
Structure forms, for alloy.
3) using high-pressure nozzle to metal surface injecting step 2) in acid solution；Injection pressure is 20-30MPa；Pressure
The too low amount that can increase acid solution in metal surface and residence time, accelerate reaction, if hypertonia, can produce excessive sputtering and
Reflection, and the shape in micro- hole is influenced, it is also easy to produce bar shaped micropore and destroys the architectural characteristic of metal surface or change answering for metal surface
Power, and influence the performance of metalwork.
High-pressure nozzle is 1-3cm/ seconds relatively with the translational speed of metal surface.
4) cleaning step 3) metal surface after acid solution is sprayed, and it is dry.
5) dried metal surface is coated into corrosion-inhibiting coating.
The center line of high-pressure nozzle and the angle of metal surface are less than 45 degree, are so conducive to accelerate acid solution and metal surface
Separating rate reduce time of contact of acid solution and metal surface.
Multiple spray orifices are provided with high-pressure nozzle, multiple spray orifices arrange for yi word pattern, and such acid solution is in metal surface
Same position only once contacts, and does not interfere with the performance of metal surface.
Metal surface is fixed on station in a vertical manner, and high-pressure nozzle is moved from the upper end of metal surface to lower end, with
Reduce residence time of the acid solution in metal surface.
It the above is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Objectively there are unlimited concrete structure, for those skilled in the art, the principle of the invention is not being departed from
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
- A kind of 1. metal surface treating method, it is characterised in that：Comprise the following steps：1) to cleaning metal surface, to remove the grease of metal surface；2) acid solution is prepared, the concentration of the acid solution is 3%-5%；3) using high-pressure nozzle to metal surface injecting step 2) in acid solution；Injection pressure is 20-30MPa；The high pressure Nozzle is 1-3cm/ seconds relatively with the translational speed of the metal surface；4) cleaning step 3) metal surface after acid solution is sprayed, and it is dry；5) dried metal surface is coated into corrosion-inhibiting coating.
- 2. metal surface treating method according to claim 1, it is characterised in that：The acid solution is sulfuric acid solution, nitre Acid solution or hydrochloric acid solution.
- 3. metal surface treating method according to claim 1, it is characterised in that：The center line of the high-pressure nozzle with it is described The angle of metal surface is less than 45 degree.
- 4. metal surface treating method according to claim 1, it is characterised in that：It is provided with the high-pressure nozzle multiple Spray orifice, multiple spray orifices arrange for yi word pattern.
- 5. metal surface treating method according to claim 1, it is characterised in that：The metal surface is solid in a vertical manner Due on station, the high-pressure nozzle is moved from the upper end of the metal surface to lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315659.6A CN108034947A (en) | 2017-12-11 | 2017-12-11 | A kind of metal surface treating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315659.6A CN108034947A (en) | 2017-12-11 | 2017-12-11 | A kind of metal surface treating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108034947A true CN108034947A (en) | 2018-05-15 |
Family
ID=62101923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711315659.6A Pending CN108034947A (en) | 2017-12-11 | 2017-12-11 | A kind of metal surface treating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108034947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692795A (en) * | 2018-11-20 | 2019-04-30 | 吴江市格瑞福金属制品有限公司 | A kind of metallic insulation pad process for surface coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668236A (en) * | 2013-11-28 | 2014-03-26 | 浙江鸿峰铝业有限公司 | Stamping part surface treatment method before coating |
| CN105331850A (en) * | 2015-11-10 | 2016-02-17 | 湖州华特不锈钢管制造有限公司 | High-corrosion-resistance nickel-copper alloy seamless pipe and manufacturing method thereof |
-
2017
- 2017-12-11 CN CN201711315659.6A patent/CN108034947A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668236A (en) * | 2013-11-28 | 2014-03-26 | 浙江鸿峰铝业有限公司 | Stamping part surface treatment method before coating |
| CN105331850A (en) * | 2015-11-10 | 2016-02-17 | 湖州华特不锈钢管制造有限公司 | High-corrosion-resistance nickel-copper alloy seamless pipe and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692795A (en) * | 2018-11-20 | 2019-04-30 | 吴江市格瑞福金属制品有限公司 | A kind of metallic insulation pad process for surface coating |
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| PB01 | Publication | ||
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Application publication date: 20180515 |