CN210946451U - Full-aqueous heavy anti-corrosion coating structure for bridge - Google Patents
Full-aqueous heavy anti-corrosion coating structure for bridge Download PDFInfo
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- CN210946451U CN210946451U CN201920805126.4U CN201920805126U CN210946451U CN 210946451 U CN210946451 U CN 210946451U CN 201920805126 U CN201920805126 U CN 201920805126U CN 210946451 U CN210946451 U CN 210946451U
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Abstract
The utility model relates to a both replaced solvent type coating, reduce VOC and discharge, satisfy the environmental protection requirement, have the full waterborne heavy anti-corrosion coating structure of steel bridge roof beam that the weatherability is good again, including steel bridge roof beam part, scribble the inorganic zinc priming paint layer that riches of waterborne on the steel bridge roof beam part face, scribble waterborne two ingredient epoxy on the inorganic zinc priming paint layer that riches of waterborne and seal the layer, scribble waterborne two ingredient epoxy cloud iron intermediate coat on the waterborne two ingredient epoxy closed coat, scribble waterborne two ingredient polyurethane finish coat on the waterborne two ingredient epoxy cloud iron intermediate coat, scribble waterborne two ingredient fluorocarbon finish coat on the waterborne two ingredient polyurethane finish coat. The advantages are that: firstly, the water-based coating structure realizes heavy corrosion resistance of steel bridges, reduces VOC emission and meets the requirement of new environmental protection; secondly, by the structural design of the coating, the anti-corrosion performance of the coating structure is ensured to meet the requirement of heavy anti-corrosion; thirdly, the coating process design ensures that the construction quality such as coating adhesive force meets the product quality requirement.
Description
Technical Field
The utility model relates to a both replaced solvent type coating, reduced VOC and discharged, satisfied environmental protection requirement, have the full-water-based heavy anti-corrosion coating structure of steel bridge that the weatherability is good again, belong to bridge heavy anti-corrosion coating structure and make the field.
Background
CN 208747989U, name "a graphite alkene heavy anti-corrosion composite coating for steel structure bridge coating", including graphite alkene heavy anti-corrosion priming paint, epoxy micaceous iron floating coat, acrylic acid polyurethane finish, its characterized in that: the surface of the steel structure bridge is respectively provided with a graphene heavy-duty anticorrosion primer, an epoxy micaceous iron intermediate coat and an acrylic polyurethane finish from bottom to top. The method has the following defects: the coating structure has poor adaptability to temperature and humidity, and the weather resistance of the coating structure can not meet the heavy-duty anticorrosive requirement.
Disclosure of Invention
The design purpose is as follows: the defects in the background art are avoided, and the steel bridge full-water-based heavy-duty anticorrosive coating structure which replaces a solvent-based coating, reduces VOC (volatile organic compounds) emission, meets the environmental protection requirement and has good weather resistance is designed.
The design scheme is as follows: in order to achieve the above design objectives. The utility model discloses in structural design, mainly be applicable to the heavy anticorrosive application of steel bridge roof beam, the structural feature who constitutes from the coating designs the steel bridge roof beam heavy corrosion at the complete water based paint supporting system of C3-C5 environment starting, according to site operation condition and the optimal coating structure system of current coating product design bridge, and this coating structure system does not have heavy metal harmful substance, it is low to make organic volatile (priming paint voc is about 0, the sealing paint voc is less than 100g/L, the intermediate coat is less than 80g/L, the finish paint is less than 80 g/L), corrosion protection can reach high resistant salt fog (> 3000h neutral salt fog), high water proofness (bubble water, bubble salt water >1000 h), high weatherability (> 3000h is ageing).
The technical scheme is as follows: the utility model provides a full waterborne heavy anti-corrosion coating structure of steel bridge, includes the steel bridge part, scribbles waterborne inorganic zinc-rich priming paint layer on the steel bridge part face, scribbles waterborne two ingredient epoxy seal paint layer on the waterborne inorganic zinc-rich priming paint layer, scribbles waterborne two ingredient epoxy cloud iron intermediate coat layer on the waterborne two ingredient epoxy seal paint layer, scribbles waterborne two ingredient polyurethane finish coat on the waterborne two ingredient epoxy cloud iron intermediate coat layer, scribbles waterborne two ingredient fluorocarbon finish coat layer on the waterborne two ingredient polyurethane finish coat layer.
Compared with the background technology, the utility model has the advantages that firstly, the water-based coating structure realizes the heavy corrosion protection of the steel bridge, reduces the VOC emission and adapts to the new environmental protection requirement; secondly, by the structural design of the coating, the anti-corrosion performance of the coating structure is ensured to meet the requirement of heavy anti-corrosion; thirdly, the coating process design ensures that the construction quality such as coating adhesive force meets the product quality requirement.
Drawings
FIG. 1 is a structural schematic diagram of a full-water-based heavy-duty anticorrosive coating for a steel bridge.
Detailed Description
Example 1: reference is made to figure 1. The utility model provides a steel bridge roof beam is full waterborne heavy anti-corrosion coating structure, includes steel bridge roof beam part 1, scribbles waterborne inorganic zinc-rich priming paint layer 2 on the 1 face of steel bridge roof beam part, scribbles waterborne two ingredient epoxy sealer paint layer 3 on waterborne inorganic zinc-rich priming paint layer 2, scribbles waterborne two ingredient epoxy cloud iron intermediate coat layer 4 on waterborne two ingredient epoxy sealer paint layer 3, scribbles waterborne two ingredient polyurethane finish coat layer 5 on waterborne two ingredient epoxy cloud iron intermediate coat layer 4, scribbles waterborne two ingredient fluorocarbon finish coat layer 6 on waterborne two ingredient polyurethane finish coat layer 5.
The thickness of the water-based inorganic zinc-rich primer layer 2 is 70-90um, the thickness of the water-based two-component epoxy sealing paint layer 3 is 30-40um, the thickness of the water-based two-component epoxy micaceous iron intermediate paint layer 4 is 120-140um, the thickness of the water-based two-component polyurethane finish paint layer 5 is 40-50um, and the thickness of the water-based two-component fluorocarbon finish paint layer 6 is 40-50 um.
The water-based inorganic zinc-rich primer, the water-based two-component epoxy sealer 3, the water-based two-component epoxy micaceous iron intermediate paint, the water-based two-component polyurethane finish paint and the water-based two-component fluorocarbon finish paint are the same product but are slightly different from the name of the prior art, and are not described herein.
Example 2: on the basis of the embodiment 1, the thickness of the aqueous two-component epoxy micaceous iron intermediate paint layer 4 of 120-.
It is to be understood that: although above-mentioned embodiment is right the utility model discloses a design has done more detailed word description, but these word descriptions, are only right the utility model relates to a simple word description of idea, rather than right the utility model relates to a restriction of idea, any do not surpass the utility model relates to a combination, increase or the modification of idea all fall into the utility model discloses a within the protection scope.
Claims (3)
1. The utility model provides a full waterborne heavy anti-corrosion coating structure of bridge, includes steel bridge parts (1), characterized by: a water-based inorganic zinc-rich primer layer (2) is coated on the surface of a steel bridge component (1), a water-based two-component epoxy closed paint layer (3) is coated on the water-based inorganic zinc-rich primer layer (2), a water-based two-component epoxy micaceous iron intermediate paint layer (4) is coated on the water-based two-component epoxy micaceous iron intermediate paint layer (3), a water-based two-component polyurethane finish paint layer (5) is coated on the water-based two-component epoxy micaceous iron intermediate paint layer (4), and a water-based two-component fluorocarbon finish paint layer (6) is coated on.
2. The bridge full-water heavy-duty coating structure of claim 1, characterized in that: the thickness of the water-based inorganic zinc-rich primer layer (2) is 70-90um, the thickness of the water-based two-component epoxy sealing paint layer (3) is 30-40um, the thickness of the water-based two-component epoxy micaceous iron intermediate paint layer (4) is 120-140um, the thickness of the water-based two-component polyurethane finish paint layer (5) is 40-50um, and the thickness of the water-based two-component fluorocarbon finish paint layer (6) is 40-50 um.
3. The bridge full-water heavy-duty coating structure of claim 1, characterized in that: the thickness of the water-based two-component epoxy micaceous iron intermediate paint layer (4) is 120-140 mu m, which is the thickness of two-layer spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805126.4U CN210946451U (en) | 2019-05-31 | 2019-05-31 | Full-aqueous heavy anti-corrosion coating structure for bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920805126.4U CN210946451U (en) | 2019-05-31 | 2019-05-31 | Full-aqueous heavy anti-corrosion coating structure for bridge |
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| CN210946451U true CN210946451U (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115851075A (en) * | 2022-12-09 | 2023-03-28 | 洛阳双瑞防腐工程技术有限公司 | Water-based epoxy sealing coating for sealing inorganic zinc-rich surface and preparation method thereof |
-
2019
- 2019-05-31 CN CN201920805126.4U patent/CN210946451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115851075A (en) * | 2022-12-09 | 2023-03-28 | 洛阳双瑞防腐工程技术有限公司 | Water-based epoxy sealing coating for sealing inorganic zinc-rich surface and preparation method thereof |
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