CN204977652U - Have nano -ceramics membrane galvanized steel corrosion -resistant and thermal -insulated function concurrently - Google Patents
Have nano -ceramics membrane galvanized steel corrosion -resistant and thermal -insulated function concurrently Download PDFInfo
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- CN204977652U CN204977652U CN201520679392.9U CN201520679392U CN204977652U CN 204977652 U CN204977652 U CN 204977652U CN 201520679392 U CN201520679392 U CN 201520679392U CN 204977652 U CN204977652 U CN 204977652U
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Abstract
(B, ) the utility model discloses a have nano -ceramics membrane galvanized steel corrosion -resistant and thermal -insulated function concurrently includes the cold -rolled steel sheet as the base plate, and its characterized in that cold -rolled steel sheet outwards one side under the user state is formed with first galvanizing coat through hot plating zinc process, and inwards one side is then be formed with the second galvanizing coat through hot plating zinc process, wherein the surface passivation of first galvanizing coat is formed with the passivation layer, be provided with the nano -ceramics rete on the passivation layer, the nano -ceramics rete is nanometer zirconium dioxide layer. The utility model discloses collect heat -proof quality, corrosion resisting property in an organic whole, the nano -ceramics rete forms the one deck protection film on the surface, can prevent or postpone destruction, corrosion's emergence and development to the life who makes the steel sheet further prolongs, thermal -insulated requirement when good thermal -insulated, the heat resistance of nano -ceramics rete ensures to satisfy as the building board simultaneously. Consequently, event the utility model discloses the application is extensive, can be used for infrastructure, building curtain, has better effect to outdoor application. (B, )
Description
Technical field
the utility model relates to a kind of galvanized steel plain sheet technical field, is specifically related to a kind of corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function of having concurrently.
Background technology
the development of world industry, require more and more higher to the service life of steel, the decay resistance improving steel is the important channel of improving the steel life-span, and this problem more and more causes the attention of people.Also come for a long time, people study the method much preventing corrosion of steel, but facts have proved, adopt galvanizing anticorrosion the most effective, cost is minimum, and its coating is firm, outward appearance is beautiful, the life-span is long.The aluminium zinc silicon alloy clad steel sheet that decay resistance, high temperature oxidation resistance and processing characteristics are more excellent is also developed in recent years on the basis of galvanizing.
along with the raising of expanding economy and industry automaticity, various hot-dip galvanizing sheet steel is widely used in the production of daily life and industrial products and the product for civilian use, and the effect of heat insulation improving hot-dip galvanizing sheet steel is also one of elementary object of scientific research and technological development.Since 20 century 70s, world climate warms, and earth energy is increasingly exhausted.Therefore, develop the hot-dip galvanizing sheet steel with effect of heat insulation and there is larger realistic meaning, the especially closely-related heat-insulating sheet material with human lives.
known nano zirconium dioxide is nonpoisonous and tasteless white powder, its good dispersion, there is good thermo-chemical stability, pyroconductivity and higher intensity and toughness, machinery, calorifics, electricity, optical property are good, mainly for the preparation of nanostructured zirconia coating, thermal barrier coating and other nano ceramic coat material, have anticorrosion, antibacterial in functional coating material, improve wear-resisting, high temperature resistant, fire-resistant effect.Thermal barrier coatings prepared by the nano zirconium dioxide VK-R50YT adding 2%, its strength ratio traditional coating improves more than 50%, and Nano-Powder Coatings toughness will be far superior to conventional coating.
about the developmental research of nano zirconium dioxide as ceramic coating material, caused the great attention of world industry advanced country, and become research, investment, produce very active field, especially Japan, the U.S. etc. are national all drops into considerable funds.China always pays much attention to Development of Novel ceramic material, and achieves many great achievements.Domestic a lot of company can produce high-quality superfine zirconium dioxide powder, and most of products export.Development from now on will towards ultra-fine, high-purity future development, and product manufacturing aspect towards New function, new opplication field future development, constantly will expand zirconia application.
but, domesticly at present not ceramic coating material not to be used to the report on hot-dip galvanizing sheet steel, in known technology, lack a kind of hot-dip galvanizing sheet steel collecting heat-proof quality, corrosion resistance, environmental-protecting performance, anti-wear performance and anti-microbial property and be integrated in one.
Summary of the invention
the utility model object is: provide a kind of and have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, it not only has high decay resistance, and there is excellent heat insulating function simultaneously, hot-dip galvanizing sheet steel can be solved as required satisfied insulation requirement during heat-insulating sheet material.
the technical solution of the utility model is: a kind ofly have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, comprise the cold-rolled steel sheet as substrate, it is characterized in that described cold-rolled steel sheet in a state of use one side be outwardly formed with the first zinc coat by hot dip galvanizing process, one side inwardly is then formed with the second zinc coat by hot dip galvanizing process, the surface passivating treatment of wherein said first zinc coat is formed with passivation layer, described passivation layer is provided with nano ceramics rete, described nano ceramics rete is nanometer titanium dioxide zirconium layer.
further, the rete of nano ceramics described in the utility model is the surface with roll coating model, nano zirconium dioxide sol paint being coated to passivation layer, then formed through calcining solidification.
further, the thickness h of the rete of nano ceramics described in the utility model, and the thickness of the first zinc coat is H, h=1/8 ~ 1H.
preferably, described in the utility model, the thickness of first, second zinc-plated structure sheaf is 10-40 μm.
preferably, passivation layer thickness described in the utility model is 50nm-2 μm.
preferably, the thickness of the rete of nano ceramics described in the utility model is 5-10 μm.
manufacture craft of the present utility model is as follows:
a) cleaning steel plate, selects surperficial flawless cold-rolled steel sheet, and cleans the surface of cold-rolled steel sheet, dry after cleaning, obtain substrate;
b) apply zinc coat, zinc liquid hot-dip process be coated in substrate two surfaces, wherein substrate in a state of use a side surface toward the outside form the first zinc coat, and form the second zinc coat towards an interior side surface in a state of use;
c) passivation, carries out Passivation Treatment by passivator to the surface of the first zinc coat, and carries out drying process after passivation, uses and forms passivation layer on the surface of the first zinc coat;
d) the heat insulation and corrosion-resistance treatment in surface, is coated to the surface of passivation layer by nano zirconium dioxide sol paint with roll coating model, then through calcining solidification, forms the nano ceramics rete of heat insulating and corrosion erosion on the surface of passivation layer.
in above-mentioned processing step, steps A) described in flawless cold-rolled steel sheet refer to the cold-rolled steel sheet of surface without incrustation, pit and/or micro-crack; Step B) described in be applied to dip-coating method coating; Step C) described in the trivalent chromium solutions of passivator to be mass concentration be 25-35g/L, the temperature of described passivation is normal temperature, and the baking temperature of described drying process is 60-85 DEG C, and drying time is 40-70s.Step D) described in calcining solidification temperature be 250-300 DEG C, calcining solidification time be 35-85s.
the utility model has the advantages that:
1. the utility model is a kind of hot-dip galvanizing sheet steel integrating heat-proof quality, decay resistance; nano ceramics rete forms layer protecting film on surface; can stop or delayed fracture, the generation of corrosion phenomenon and development; thus the service life of steel plate is extended further, nano ceramics rete is excellent simultaneously heat insulation, heat resistance guarantee that it meets as insulation requirement during building board.Therefore the utility model application is extensive, may be used for infrastructure, building curtain wall, has better effect for outdoor utility.
heat-proof quality is tested: be put in Muffle furnace by the utility model finished product, be warmed up to 850 DEG C, places after 10 hours and takes out, cool to room temperature, observes finished surface without pull-away, be full of cracks situation, paint film heat resistance good (GB1735 ~ 89) is described.
corrosion resistance is tested: the utility model finished product is put into salt fog machine, does spray testing with the NaCL solution of 5%, observes finished product without bubbling, phenomenon of getting rusty, and its decay resistance good (GB/T1771 ~ 91) is described.
2. the nano ceramics rete of the utility model surface coating further ensures the environmental-protecting performance of product, anti-wear performance and anti-microbial property.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the utility model is further described:
fig. 1 is structural representation of the present utility model.
wherein: 1, substrate; 2, the first zinc coat; 3, the second zinc coat; 4, passivation layer; 5, nano ceramics rete.
Detailed description of the invention
embodiment 1: shown in composition graphs 1, for the utility model has a kind of detailed description of the invention that is corrosion-resistant and the nano ceramics film hot-dip galvanizing sheet steel of heat insulating function concurrently, it has the cold-rolled steel sheet as substrate 1, described cold-rolled steel sheet in a state of use one side is outwardly formed with the first zinc coat 2 by hot dip galvanizing process, one side inwardly is then formed with the second zinc coat 3 by hot dip galvanizing process, the surface passivating treatment of wherein said first zinc coat 2 is formed with passivation layer 4, described passivation layer 4 is provided with nano ceramics rete 5, described nano ceramics rete 5 is nanometer titanium dioxide zirconium layer.
described nano ceramics rete 5 in the present embodiment is the surfaces with roll coating model, nano zirconium dioxide sol paint being coated to passivation layer 4, then formed through calcining solidification.
described in the present embodiment, the thickness H of first, second zinc coat 2,3 is 20 μm.And the thickness h of described nano ceramics rete 5 is 10 μm.H=1/2H in the present embodiment.
described passivation layer 4 thickness is 2 μm.
the manufacture craft of the present embodiment is as follows:
a) cleaning steel plate, selects surperficial flawless cold-rolled steel sheet, and cleans the surface of cold-rolled steel sheet, dry after cleaning, obtain substrate 1, and flawless cold-rolled steel sheet refers to the cold-rolled steel sheet of surface without incrustation, pit and/or micro-crack;
b) apply zinc coat, zinc liquid dip-coating method be coated in substrate 1 two surfaces, wherein substrate 1 in a state of use a side surface toward the outside form the first zinc coat 2, and form the second zinc coat 3 towards an interior side surface in a state of use;
c) passivation, carries out Passivation Treatment by the surface of passivator to the first zinc coat 2, and carries out drying process after passivation, uses and forms passivation layer 4 on the surface of the first zinc coat 2; The trivalent chromium solutions of described passivator to be mass concentration be 25-35g/L, the temperature of described passivation is normal temperature, and the baking temperature of described drying process is 60-85 DEG C, and drying time is 40-70s.
d) the heat insulation and corrosion-resistance treatment in surface, is coated to the surface of passivation layer 4 by nano zirconium dioxide sol paint with roll coating model, then through calcining solidification, forms the nano ceramics rete 5 of heat insulating and corrosion erosion on the surface of passivation layer 4.The temperature of described calcining solidification is 250-300 DEG C, and the time of calcining solidification is 35-85s.
embodiment 2: described in the present embodiment, the thickness H of the first zinc coat 2 is 10 μm, the thickness of the second zinc coat 3 is 15 μm.And the thickness h of described nano ceramics rete 5 is also 10 μm.H=H in the present embodiment.Described passivation layer 4 thickness is 1 μm.The present embodiment all the other with embodiment 1, its pie graph can be shown in Figure 1.
embodiment 3: described in the present embodiment, the thickness H of the first zinc coat 2 and the second zinc coat 3 is 40 μm.And the thickness h of described nano ceramics rete 5 is also 5 μm.H=1/8H in the present embodiment.Described passivation layer 4 thickness is 50nm.The present embodiment all the other with embodiment 1, its pie graph can be shown in Figure 1.
certain above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All modifications done according to the Spirit Essence of the utility model main technical schemes, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. one kind has corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, comprise the cold-rolled steel sheet as substrate (1), it is characterized in that described cold-rolled steel sheet in a state of use one side be outwardly formed with the first zinc coat (2) by hot dip galvanizing process, one side inwardly is then formed with the second zinc coat (3) by hot dip galvanizing process, the surface passivating treatment of wherein said first zinc coat (2) is formed with passivation layer (4), described passivation layer (4) is provided with nano ceramics rete (5), described nano ceramics rete (5) is nanometer titanium dioxide zirconium layer.
2. according to claim 1ly have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, it is characterized in that described nano ceramics rete (5) is the surface with roll coating model, nano zirconium dioxide sol paint being coated to passivation layer (4), then formed through calcining solidification.
3. according to claim 1ly have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, it is characterized in that the thickness h of described nano ceramics rete (5), and the thickness of the first zinc coat (2) is H, h=1/8 ~ 1H.
4. according to claim 1 or 3, have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, it is characterized in that the thickness of described first, second zinc coat (2,3) is 10-40 μm.
5. according to claim 1ly have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, it is characterized in that described passivation layer (4) thickness is 50nm-2 μm.
6. according to claim 1 or 3, have corrosion-resistant and nano ceramics film hot-dip galvanizing sheet steel that is heat insulating function concurrently, it is characterized in that the thickness of described nano ceramics rete (5) is 5-10 μm.
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| CN201520679392.9U CN204977652U (en) | 2015-09-02 | 2015-09-02 | Have nano -ceramics membrane galvanized steel corrosion -resistant and thermal -insulated function concurrently |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150632A (en) * | 2015-09-02 | 2015-12-16 | 常熟华冶薄板有限公司 | Nano-ceramic membrane hot-dip galvanized steel sheet with corrosion resisting and heat insulating functions |
| CN106868506A (en) * | 2017-02-21 | 2017-06-20 | 江阴韩钢铁有限公司 | Fuel tube of automobile production technology |
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2015
- 2015-09-02 CN CN201520679392.9U patent/CN204977652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150632A (en) * | 2015-09-02 | 2015-12-16 | 常熟华冶薄板有限公司 | Nano-ceramic membrane hot-dip galvanized steel sheet with corrosion resisting and heat insulating functions |
| CN106868506A (en) * | 2017-02-21 | 2017-06-20 | 江阴韩钢铁有限公司 | Fuel tube of automobile production technology |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20161010 Granted publication date: 20160120 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
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Date of cancellation: 20170410 Granted publication date: 20160120 |