CN211921399U - Steel structure base material with anticorrosive coating and ocean engineering equipment - Google Patents
Steel structure base material with anticorrosive coating and ocean engineering equipment Download PDFInfo
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- CN211921399U CN211921399U CN201922355553.XU CN201922355553U CN211921399U CN 211921399 U CN211921399 U CN 211921399U CN 201922355553 U CN201922355553 U CN 201922355553U CN 211921399 U CN211921399 U CN 211921399U
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Abstract
The utility model relates to a steel construction substrate and ocean engineering equipment with anticorrosive coating, including steel construction substrate body, steel construction substrate body's surface has anticorrosive coating, anticorrosive coating comprises waterborne epoxy priming paint layer, waterborne epoxy intermediate coat layer and waterborne acrylic acid polyurethane finish coat layer coincide in proper order, waterborne epoxy priming paint layer is attached to steel construction substrate body on the surface. The utility model discloses an anticorrosive coating film thickness on the steel construction substrate is reasonable, and the coating water proofness is strong, and the salt spray performance is excellent.
Description
Technical Field
The utility model relates to a steel construction substrate and ocean engineering equipment with anticorrosive coating.
Background
At present, most of ocean engineering equipment uses an oily heavy-duty anticorrosive coating, a large amount of solvents are used in the traditional oily heavy-duty anticorrosive coating, the voc discharge capacity is high, the atmosphere is polluted, the trend of changing oil into water is changed along with the gradual improvement of the national environmental protection policy, and the water-based coating can use water as a diluent, so that the environmental pollution is reduced, the energy consumption is reduced, and the emission is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, provide a steel construction substrate with anticorrosive coating to promote steel construction substrate long-term corrosion protection ability under high humidity, high salt fog environment.
A steel structure substrate with an anti-corrosion coating comprises a steel structure substrate body, wherein the surface of the steel structure substrate body is provided with the anti-corrosion coating, the anti-corrosion coating is composed of a water-based epoxy primer layer, a water-based epoxy intermediate paint layer and a water-based acrylic polyurethane finish paint layer which are sequentially overlapped, and the water-based epoxy primer layer is attached to the surface of the steel structure substrate body; the thickness of the water-based epoxy primer layer is 80-100 mu m, the thickness of the water-based epoxy intermediate paint layer is 100-120 mu m, and the thickness of the water-based acrylic polyurethane finish paint layer is 80-100 mu m.
The steel structure substrate with the anticorrosive coating has excellent anticorrosive performance in a marine environment, can completely replace the existing oily coating system structure, has low voc content, high gloss of finish paint, smoothness, fullness, no defect of paint film, simple and convenient construction, high once-forming film thickness, strong water resistance of the coating, excellent salt spray performance and higher ultraviolet aging resistance, and can obviously improve the anticorrosive capacity of marine engineering equipment in a high-humidity high-salt spray environment. In addition, the applicant repeatedly researches and discovers that under the thickness combination, the coating structure not only has the best substrate adhesion and good mechanical property, but also has excellent corrosion resistance and aging resistance.
Further, the thickness of the water-based epoxy primer layer is 85-95 μm, the thickness of the water-based epoxy intermediate paint layer is 105-115 μm, and the thickness of the water-based acrylic polyurethane finish paint layer is 85-95 μm.
Further, the water-based epoxy primer layer is made of a water-based two-component epoxy zinc-rich primer, such as the water-based two-component epoxy zinc-rich primer described in CN201510032583.0 and CN 201811393120.7.
Optionally, the water-based epoxy intermediate paint layer is made of water-based epoxy micaceous iron intermediate paint, such as the intermediate paint described in CN 201410755756.7.
Further, the water-based acrylic polyurethane finish paint layer is made of water-based acrylic polyurethane finish paint, such as the finish paint described in CN201010163994.0, CN201910184294.0, CN201711241200.6 and the like.
Further, the steel structure base material is one of a steel structure pipe and a steel structure plate.
The ocean engineering equipment is provided with the steel structure base material.
The utility model discloses an anticorrosive coating on steel construction substrate surface simple structure, the voc content is low, finish paint layer gloss is high, and smooth abundant, no film defect, the construction is simple and convenient to once only film forming thickness is high, and the coating water proofness is strong, and the salt spray performance is excellent, has long-term anticorrosion ability under marine environment, and has higher resistant ultraviolet ageing resistance, can show the anticorrosion ability of improvement ocean engineering equipment under the high salt spray environment of high humidity.
Compared with the prior art, the utility model discloses beneficial results lie in:
1. compared with the conventional solvent coating layer on the market, the anticorrosive coating of the steel structure substrate has low voc content, is safe in production, storage and transportation, has no potential toxic and side effects on human bodies and environment, and accords with the national environmental protection concept;
2. the utility model discloses an anticorrosive coating simple structure, coating voc content is low, and finish paint gloss is high, and smooth plump, does not have the film disadvantage.
3. The utility model discloses an anticorrosive coating film thickness on the steel construction substrate is reasonable, and the coating water proofness is strong, and the salt spray performance is excellent.
Drawings
Fig. 1 is a schematic sectional structure view of a steel structure substrate according to a first embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
Referring to fig. 1, a steel structure substrate with anticorrosive coating, includes steel structure substrate body 4, the surface of steel structure substrate body 4 has anticorrosive coating, anticorrosive coating comprises waterborne epoxy priming paint layer 3, waterborne epoxy intermediate coat layer 2 and waterborne acrylic acid polyurethane finish coat layer 1 of coincide in proper order, waterborne epoxy priming paint layer 3 is attached to on the surface of steel structure substrate body 4.
The thickness of the water-based epoxy primer layer 3 is 90 mu m, the thickness of the water-based epoxy intermediate paint layer 2 is 110 mu m, and the thickness of the water-based acrylic polyurethane finish paint layer 1 is 90 mu m.
The steel structure base material is a steel structure plate.
The ocean engineering equipment is provided with the steel structure base material.
The anti-corrosion coating on the surface of the steel structure substrate has the advantages of reasonable structure, higher thickness and doubled salt spray performance and aging performance, and can be suitable for corrosion prevention in marine environment. Detection shows that the adhesion of the anticorrosive coating on the surface of the steel structure base material can reach 15MPa, the salt spray resistance can reach 3000h, and the ultraviolet aging resistance can reach 2000 h.
The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.
Claims (3)
1. The steel structure substrate with the anti-corrosion coating comprises a steel structure substrate body (4), wherein the surface of the steel structure substrate body (4) is provided with the anti-corrosion coating, and the anti-corrosion coating is characterized by comprising a water-based epoxy primer layer (3), a water-based epoxy intermediate paint layer (2) and a water-based acrylic polyurethane finish paint layer (1) which are sequentially overlapped, wherein the water-based epoxy primer layer (3) is attached to the surface of the steel structure substrate body (4); the thickness of the water-based epoxy primer layer (3) is 85-95 μm, the thickness of the water-based epoxy intermediate paint layer (2) is 105-115 μm, and the thickness of the water-based acrylic polyurethane finish paint layer (1) is 85-95 μm.
2. The steel structural substrate of claim 1, wherein the steel structural substrate is one of a steel structural pipe and a steel structural plate.
3. An ocean engineering apparatus, wherein the steel structure substrate as set forth in any one of claims 1-2 is provided on the ocean engineering apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355553.XU CN211921399U (en) | 2019-12-25 | 2019-12-25 | Steel structure base material with anticorrosive coating and ocean engineering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355553.XU CN211921399U (en) | 2019-12-25 | 2019-12-25 | Steel structure base material with anticorrosive coating and ocean engineering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211921399U true CN211921399U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922355553.XU Active CN211921399U (en) | 2019-12-25 | 2019-12-25 | Steel structure base material with anticorrosive coating and ocean engineering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211921399U (en) |
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2019
- 2019-12-25 CN CN201922355553.XU patent/CN211921399U/en active Active
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