CN108842148A - The method of automobile radiators surface anticorrosion processing - Google Patents
The method of automobile radiators surface anticorrosion processing Download PDFInfo
- Publication number
- CN108842148A CN108842148A CN201811047059.0A CN201811047059A CN108842148A CN 108842148 A CN108842148 A CN 108842148A CN 201811047059 A CN201811047059 A CN 201811047059A CN 108842148 A CN108842148 A CN 108842148A
- Authority
- CN
- China
- Prior art keywords
- automobile radiators
- blackening
- emulsifier
- acid
- blackening process
- 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.)
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Classifications
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/17—Orthophosphates containing zinc cations containing also organic acids
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
Abstract
The present invention provides a kind of method of automobile radiators surface anticorrosion processing, and the method for the present invention includes following steps:(1)Ungrease treatment is carried out to automobile radiators;(2)Automobile radiators after ungrease treatment are washed and dried;(3)It configures blackening solution and carries out blackening process:The blackening solution includes copper sulphate, selenium dioxide, nickel sulfate, zinc nitrate, phosphoric acid, sodium thiosulfate, citric acid, boric acid, emulsifier, complexing agent, the concentration of the blackening solution is copper sulphate 3-6 g/L, selenium dioxide 2-4 g/L, nickel sulfate 1-3 g/L, zinc nitrate 3-5 g/L, phosphatase 11 0-15 g/L, sodium thiosulfate 2-5 g/L, citric acid 8-12 g/L, boric acid 3-5 g/L, emulsifier 1-2 g/L, complexing agent 1-2 g/L, the temperature of the blackening process is 55-65 DEG C, and the time of the blackening process is 2-5 minutes;(4)Hot water cleaning is carried out to the automobile radiators after blackening process to dry.The present invention effectively can avoid automobile radiators from corroding, and improve the safety that automobile uses.
Description
Technical field:
The present invention relates to a kind of methods of automobile radiators surface anticorrosion processing, belong to field of metal surface treatment technology.
Background technique:
Surface treatment is that one layer of table different from the machinery of matrix, physical and chemical properties is artificially formed on substrate material surface
The process of layer.The purpose of surface treatment is the corrosion resistance for meeting product, wearability, decoration or other features requirements.
For metal casting, our more commonly used surface treatment methods are mechanical grindings, chemical treatment, and Surface heat-treatent sprays table
Face, surface treatment be exactly workpiece surface is cleaned, is cleaned, deburring, degreasing, descale etc..
Blackening process is to heat steel in air or directly in the leaching dense oxidizing solution of what, generate its surface very thin
The material protection technology of oxidation film.Solution composition, reaction temperature and time when nigrescence is depending on the ingredient of steel substrate.Hair
The ingredient of black film is magnetic iron oxide, and with a thickness of 0.5~1.5 micron, color is related with material composition and process conditions, there is ash
Black, pitch black, brilliant blue etc..Individual black film corrosion resistance is poor.
Heat-conduction component of the automobile radiators as automotive interior, plays an important role for automobile, with regard to its material
For, radiator is metal material, is easy to happen corrosion and is easy to cause medium to outflow, to draw after automobile radiators corrosion
The corrosion for playing automobile other component, has an adverse effect to the safety and service life of automobile.
Summary of the invention:
The purpose of the present invention is providing a kind of method of automobile radiators surface anticorrosion processing in view of the above problems, pass through
After preservative treatment, effectively automobile radiators can be avoided to corrode, improve the safety that automobile uses.
Above-mentioned purpose is realized by following technical scheme:
The method of automobile radiators surface anticorrosion processing, this method comprises the following steps:
(1)Ungrease treatment is carried out to automobile radiators;
(2)Automobile radiators after ungrease treatment are washed and dried;
(3)It configures blackening solution and carries out blackening process:The blackening solution includes copper sulphate, selenium dioxide, nickel sulfate, nitric acid
Zinc, phosphoric acid, sodium thiosulfate, citric acid, boric acid, emulsifier, complexing agent, the concentration of the blackening solution are copper sulphate 3-6 g/
L, selenium dioxide 2-4 g/L, nickel sulfate 1-3 g/L, zinc nitrate 3-5 g/L, phosphatase 11 0-15 g/L, sodium thiosulfate 2-5 g/
L, citric acid 8-12 g/L, boric acid 3-5 g/L, emulsifier 1-2 g/L, complexing agent 1-2 g/L, the temperature of the blackening process are
55-65 DEG C, the time of the blackening process is 2-5 minutes;
(4)Hot water cleaning is carried out to the automobile radiators after blackening process to dry.
The method of the automobile radiators surface anticorrosion processing, step(3)Described in emulsifier use octylphenol polyethylene
Ethylene oxide ether.
The method of the automobile radiators surface anticorrosion processing, step(3)Described in complexing agent use divinyl three
Amine pentacarboxylic acid salt.
Beneficial effect:
The present invention effectively can avoid automobile radiators from corroding after preservative treatment, improve the safety that automobile uses.
Specific embodiment:
Embodiment 1:
The method of automobile radiators surface anticorrosion processing, this method comprises the following steps:
(1)Ungrease treatment is carried out to automobile radiators;
(2)Automobile radiators after ungrease treatment are washed and dried;
(3)It configures blackening solution and carries out blackening process:The blackening solution includes copper sulphate, selenium dioxide, nickel sulfate, nitric acid
Zinc, phosphoric acid, sodium thiosulfate, citric acid, boric acid, emulsifier, complexing agent, the concentration of the blackening solution are copper sulphate 3-6 g/
L, selenium dioxide 2-4 g/L, nickel sulfate 1-3 g/L, zinc nitrate 3-5 g/L, phosphatase 11 0-15 g/L, sodium thiosulfate 2-5 g/
L, citric acid 8-12 g/L, boric acid 3-5 g/L, emulsifier 1-2 g/L, complexing agent 1-2 g/L, the temperature of the blackening process are
55-65 DEG C, the time of the blackening process is 2-5 minutes;
(4)Hot water cleaning is carried out to the automobile radiators after blackening process to dry.
The method of the processing of automobile radiators surface anticorrosion described in the present embodiment, step(3)Described in emulsifier adopt
Use octyl phenol polyoxyethylene ether.
The method of the processing of automobile radiators surface anticorrosion described in the present embodiment, step(3)Described in complexing agent adopt
With diethylenetriamine pentacarboxylic acid salt.
The above is only highly preferred embodiment of the present invention, the method for the present invention includes but be not limited to the above embodiments, the present invention
Unaccomplished matter, belong to the common knowledge of those skilled in the art.
Claims (3)
1. a kind of method of automobile radiators surface anticorrosion processing, it is characterized in that:This method comprises the following steps:
(1)Ungrease treatment is carried out to automobile radiators;
(2)Automobile radiators after ungrease treatment are washed and dried;
(3)It configures blackening solution and carries out blackening process:The blackening solution includes copper sulphate, selenium dioxide, nickel sulfate, nitric acid
Zinc, phosphoric acid, sodium thiosulfate, citric acid, boric acid, emulsifier, complexing agent, the concentration of the blackening solution are copper sulphate 3-6 g/
L, selenium dioxide 2-4 g/L, nickel sulfate 1-3 g/L, zinc nitrate 3-5 g/L, phosphatase 11 0-15 g/L, sodium thiosulfate 2-5 g/
L, citric acid 8-12 g/L, boric acid 3-5 g/L, emulsifier 1-2 g/L, complexing agent 1-2 g/L, the temperature of the blackening process are
55-65 DEG C, the time of the blackening process is 2-5 minutes;
(4)Hot water cleaning is carried out to the automobile radiators after blackening process to dry.
2. the method for automobile radiators surface anticorrosion processing according to claim 1, it is characterized in that:Step(3)Described in
Emulsifier use octyl phenol polyoxyethylene ether.
3. the method for automobile radiators surface anticorrosion processing according to claim 1, it is characterized in that:Step(3)Described in
Complexing agent use diethylenetriamine pentacarboxylic acid salt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811047059.0A CN108842148A (en) | 2018-09-08 | 2018-09-08 | The method of automobile radiators surface anticorrosion processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811047059.0A CN108842148A (en) | 2018-09-08 | 2018-09-08 | The method of automobile radiators surface anticorrosion processing |
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Publication Number | Publication Date |
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CN108842148A true CN108842148A (en) | 2018-11-20 |
Family
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CN201811047059.0A Withdrawn CN108842148A (en) | 2018-09-08 | 2018-09-08 | The method of automobile radiators surface anticorrosion processing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110760857A (en) * | 2019-11-25 | 2020-02-07 | 天津金力通金属制品有限公司 | Surface treatment process of heating radiator |
-
2018
- 2018-09-08 CN CN201811047059.0A patent/CN108842148A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110760857A (en) * | 2019-11-25 | 2020-02-07 | 天津金力通金属制品有限公司 | Surface treatment process of heating radiator |
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PB01 | Publication | ||
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Application publication date: 20181120 |