CN205022090U - Galvanized sheet with reinforcing non -corrosibility ability - Google Patents
Galvanized sheet with reinforcing non -corrosibility ability Download PDFInfo
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- CN205022090U CN205022090U CN201520756799.7U CN201520756799U CN205022090U CN 205022090 U CN205022090 U CN 205022090U CN 201520756799 U CN201520756799 U CN 201520756799U CN 205022090 U CN205022090 U CN 205022090U
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- zinc
- galvanized sheet
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Abstract
The utility model discloses a galvanized sheet with reinforcing non -corrosibility ability, including the steel sheet body all there are zinc -iron alloy -layer, first zinc layer and second zinc layer in steel sheet body both sides surface from interior outwards the range in proper order, is provided with surface protective layer outside second zinc layer, surface protective layer 5 is chromate passivation rete or varnish rete steel sheet body 1 is provided with impressed watermark pattern 6 on the surface. Adopt the utility model discloses a galvanized sheet with reinforcing non -corrosibility ability can have better non -corrosibility ability than galvanized sheet commonly used.
Description
Technical field
The utility model relates to a kind of sheet metal, particularly relates to the steel plate that a kind of surface is coated with zinc layers.
Background technology
Galvanized sheet is the steel plate that a kind of surface is coated with layer of metal zinc, in order to prevent surface of steel plate from being corroded, and extending steel plate service life.Galvanized sheet is at the etch-proof industry of manufacture and civil building roof covering plate, roof grid, household chimney, kitchen utensils, appliance shell, automobile component and grain storage and transportation, the freeze cutting apparatus of meat and aquatic products and the accumulating of goods and materials, the aspects such as packing appliance are widely used, although the zinc-plated rear decay resistance of steel plate is greatly improved, if but galvanized sheet Several Thiourea Derivatives on Zinc Plate Surface in use transporting procedures adheres to one deck condensate water, with oxygen, carbon dioxide, hydrocarbon, sulfur dioxide, cigarette ash, after dust and other chemical gas effect, become one there is corrosive aqueous solution and be attached to Several Thiourea Derivatives on Zinc Plate Surface, a kind of electrolyte can be formed, this electrolyte is by the zinc layers generation electrochemical corrosion poor with chemical stability, produce the corrosion product of white powder, thus service life larger impact is produced to galvanized sheet.In order to prevent the generation of this kind of corrosion, usually can carry out oiling on the surface of galvanized sheet, but the galvanized sheet after oiling can cause oil pollution, also affecting the making processing in galvanized sheet application process.In addition conventional galvanized sheet is all be applied to general anticorrosion occasion, and for more important application scenario or in the environment that corrosivity is heavier, its antiseptic property still can not adapt to its requirement for anticorrosion.
Utility model content
For the above-mentioned deficiency existing for prior art, technical problem to be solved in the utility model is to provide a kind of galvanized sheet with enhancing antiseptic property, and it can have more excellent antiseptic property than conventional galvanized sheet.
In order to solve the problems of the technologies described above; a kind of galvanized sheet with enhancing antiseptic property of the present utility model; comprise steel plate body; all from inside to outside be arranged in sequence with zinc-iron alloy layer, the first zinc layers and the second zinc layers in described steel plate body both side surface, be outside equipped with sealer in the second zinc layers.
In said structure, owing to being all from inside to outside arranged in sequence with zinc-iron alloy layer in described steel plate body both side surface, first zinc layers and the second zinc layers, zinc-iron alloy layer then between steel plate body and the first zinc layers makes to form a kind of metallurgical binding between the first zinc layers and steel plate body, thus the adhesion between the first zinc layers and steel plate body is strengthened, as everyone knows, the corrosion resistance of coating often depends on the integrality of coating, if coating well damage, the corrosion process of iron and steel can will begin in a minute, so, the intensity of zinc coating is quite important, zinc-iron alloy layer between steel plate body and the first zinc layers makes the first zinc layers can be combined in well on steel plate body, improve the integrality of the first zinc layers, the antiseptic property of galvanized sheet is made to obtain basic guarantee, and the second zinc layers outside the first zinc layers again plating be coated with one deck zinc layers, closed protective effect is played to the first zinc layers, further ensure that the antiseptic property of steel plate.Again owing to being outside equipped with sealer in the second zinc layers; then arranging of sealer plays good insulation blocking function to zinc coat; prevent the etch to zinc coat such as the moisture content in atmospheric environment, dust, flue gas; effectively prevent the oxidation of zinc coat; after zinc coat obtains protection; zinc coat will be more reliable and effective to the protection of steel plate body, thus make galvanized sheet be provided with more excellent antiseptic property.
A kind of preferred embodiment of the present utility model, described first zinc layers is the acidic zinc coating of thickness≤6 μm, and the second zinc layers is Alkaline Zinc coating.Adopt this embodiment, acidic zinc coating can produce good complexing with zinc-iron alloy layer, make coating comparatively careful, and plating rate is fast; efficiency is high, and cost is lower, and Alkaline Zinc coating is soft; brightness is high, easily carries out chromating, thus ensures the protection to zinc coat.
Another kind of preferred embodiment of the present utility model, described first zinc layers is the acidic zinc coating of thickness≤3 μm, and the second zinc layers is non-cyanide alkali zinc coating.Adopt this embodiment, non-cyanide alkali zinc coating is well ornamental, and coating is even, non-environmental-pollution; And its coating fragility is low, can obtain thicker zinc coat, the acidic zinc coating thus as the first zinc layers can adopt≤the thinner thickness of coating of 3 μm.
Another preferred embodiment of the present utility model, described sealer is chromating rete.Adopt this embodiment, chromate and zinc coat produce chemical reaction, the stable chromate passivation film of one deck is formed at Several Thiourea Derivatives on Zinc Plate Surface, because a large amount of 3 valency chromium compoundses in this passivating film are insoluble in water, isolate the infiltration of oxygen in air and moisture, enclose the hole of zinc coat, thus the oxidation making zinc coat avoid corrosive gas in environment or moisture content to produce it.
The further preferred embodiment of the utility model, described sealer is varnish rete.Adopt this embodiment, varnish rete can produce isolation corrosive gas or the effect of moisture content to zinc coat equally, and the easy construction of varnish rete, cost are lower, can also keep the original beautiful outward appearance of zinc coat.
Another further preferred embodiment of the utility model, described steel plate body surface is provided with pattern of indentations.Adopt this embodiment, pattern of indentations makes steel plate body surface present the different pattern of the depth and texture by male and female mold, has obvious embossment third dimension, enhances the appearance of galvanized sheet.
Accompanying drawing explanation
To the utility model, there is the galvanized sheet strengthening antiseptic property below in conjunction with the drawings and specific embodiments to be described in further detail.
Fig. 1 is the structural section schematic diagram that the utility model has a kind of detailed description of the invention of galvanized sheet strengthening antiseptic property;
Fig. 2 is the top view of structure shown in Fig. 1.
In figure: 1-steel plate body, 2-zinc-iron alloy layer, 3-first zinc layers, 4-second zinc layers, 5-sealer, 6-pattern of indentations.
Detailed description of the invention
Shown in Fig. 1 have strengthen antiseptic property galvanized sheet in; steel plate body 1 is carbon steel thin plate; all from inside to outside be arranged in sequence with zinc-iron alloy layer 2, first zinc layers 3 and the second zinc layers 4 in steel plate body 1 both side surface, be outside equipped with sealer 5 in the second zinc layers 4.First zinc layers 3 is acidic zinc coating, and its thickness is≤6 μm, and the zinc-iron alloy layer 2 be between steel plate body 1 and the first zinc layers 3 is formed by electroplating, and the second zinc layers 4 is Alkaline Zinc coating; Certainly, the first zinc layers 3 also can be hot galvanized layer, and correspondingly, zinc-iron alloy layer 2 is generated by the chemical reaction of zinc and iron in the first zinc layers 3 hot galvanizing process of galvanizing; The sealer 5 be arranged at outside the second zinc layers 4 is chromating rete.
Fig. 2, for having the top view of the galvanized sheet strengthening antiseptic property shown in Fig. 1, as shown in Figure 2, is provided with pattern of indentations 6 at described steel plate body 1 on the surface.Pattern of indentations 6 can be the pattern with certain decorative effect, to enrich the outward appearance of galvanized sheet, certainly, also can be the embossing that a class has certain function, as being convenient to the grid type embossing etc. of bending and molding.
Below detailed description of the invention more of the present utility model are only listed, but the utility model is not limited in this, more improvement and conversion can also be made, as described in as described in the first zinc layers 3 can also be the acidic zinc coating of thickness≤3 μm, correspondingly the second zinc layers 4 is non-cyanide alkali zinc coating; And described sealer 5 is varnish rete.And so on, as long as improvement done on the utility model general principle basis and conversion, all should be considered as falling in protection domain of the present utility model.
Claims (6)
1. one kind has the galvanized sheet strengthening antiseptic property; comprise steel plate body (1); it is characterized in that: be all from inside to outside arranged in sequence with zinc-iron alloy layer (2), the first zinc layers (3) and the second zinc layers (4) in described steel plate body (1) both side surface, be outside equipped with sealer (5) in the second zinc layers (4).
2. according to claim 1 have strengthen the galvanized sheet of antiseptic property, it is characterized in that: the acidic zinc coating that described first zinc layers (3) is thickness≤6 μm, the second zinc layers (4) is Alkaline Zinc coating.
3. according to claim 1 have strengthen the galvanized sheet of antiseptic property, it is characterized in that: the acidic zinc coating that described first zinc layers (3) is thickness≤3 μm, the second zinc layers (4) is non-cyanide alkali zinc coating.
4. according to claim 1 have the galvanized sheet strengthening antiseptic property, it is characterized in that: described sealer (5) is chromating rete.
5. according to claim 1 have the galvanized sheet strengthening antiseptic property, it is characterized in that: described sealer (5) is varnish rete.
6. according to claim 1 have the galvanized sheet strengthening antiseptic property, it is characterized in that: be provided with pattern of indentations (6) on the surface described steel plate body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756799.7U CN205022090U (en) | 2015-09-28 | 2015-09-28 | Galvanized sheet with reinforcing non -corrosibility ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756799.7U CN205022090U (en) | 2015-09-28 | 2015-09-28 | Galvanized sheet with reinforcing non -corrosibility ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205022090U true CN205022090U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520756799.7U Expired - Fee Related CN205022090U (en) | 2015-09-28 | 2015-09-28 | Galvanized sheet with reinforcing non -corrosibility ability |
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| CN (1) | CN205022090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313711A (en) * | 2016-08-19 | 2017-01-11 | 苏州禾盛新型材料股份有限公司 | Anti-microbial fingerprint-resisting compound plate for household appliance |
| CN113321951A (en) * | 2021-05-14 | 2021-08-31 | 浙江工业大学 | Galvanized sheet surface protective coating solution, galvanized sheet and welding method |
| CN114214683A (en) * | 2021-12-13 | 2022-03-22 | 广州超邦化工有限公司 | Acidic galvanizing method |
-
2015
- 2015-09-28 CN CN201520756799.7U patent/CN205022090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313711A (en) * | 2016-08-19 | 2017-01-11 | 苏州禾盛新型材料股份有限公司 | Anti-microbial fingerprint-resisting compound plate for household appliance |
| CN113321951A (en) * | 2021-05-14 | 2021-08-31 | 浙江工业大学 | Galvanized sheet surface protective coating solution, galvanized sheet and welding method |
| CN113321951B (en) * | 2021-05-14 | 2022-03-01 | 浙江工业大学 | Galvanized sheet surface protective coating solution, galvanized sheet and welding method |
| CN114214683A (en) * | 2021-12-13 | 2022-03-22 | 广州超邦化工有限公司 | Acidic galvanizing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20180928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |