CN-224213631-U - Corrosion-resistant coating heat-insulating color steel plate

Abstract

The utility model provides a corrosion-resistant coating heat-insulating color steel plate, which relates to the technical field of color steel plates and comprises a metal substrate, a heat-insulating layer and a surface coating, wherein the heat-insulating layer is arranged on one side of the metal substrate, the surface coating is arranged on the other side of the metal substrate, the heat-insulating layer is formed by compounding a vacuum heat-insulating plate and a closed-pore foam layer, the vacuum heat-insulating plate is attached to the metal substrate, the closed-pore foam layer is filled on the outer side of the vacuum heat-insulating plate, the surface coating comprises an anti-corrosion primer layer, a weather-resistant intermediate layer and a self-cleaning surface layer, the anti-corrosion primer layer forms an anti-rust protective film on the surface of the metal substrate by arranging the anti-corrosion primer layer, the weather-resistant intermediate layer and the self-cleaning surface layer, the weather-resistant intermediate layer is enhanced to resist different climates, the self-cleaning surface layer decomposes stains under illumination, keeps clean, and the heat-insulating layer is compounded by the vacuum heat-insulating plate and the closed-pore foam layer by arranging the heat-insulating layer, heat-insulating and mechanical strength are taken into account, and building energy consumption is reduced.

Inventors

• Weng Yaqin
• ZHOU ZHENYANG

Assignees

• 苏州市百顺耐火材料有限公司

Dates

Publication Date

20260508

Application Date

20250227

Claims (6)

1. 1. The corrosion-resistant coating heat-insulating color steel plate comprises a metal substrate (1), a heat-insulating layer and a surface coating, and is characterized in that the heat-insulating layer is arranged on one side of the metal substrate (1), the surface coating is arranged on the other side of the metal substrate (1), the heat-insulating layer is formed by compounding a vacuum heat-insulating plate (5) and a closed-pore foam layer (6), the vacuum heat-insulating plate (5) is attached to the metal substrate (1), the closed-pore foam layer (6) is filled outside the vacuum heat-insulating plate (5), the surface coating comprises a corrosion-resistant primer layer (2), a weather-resistant intermediate layer (3) and a self-cleaning surface layer (4), and the surface of the metal substrate (1) is sequentially coated with the corrosion-resistant primer layer (2), the weather-resistant intermediate layer (3) and the self-cleaning surface layer (4).
2. 2. The corrosion-resistant coated heat-insulating color steel plate according to claim 1, wherein the self-cleaning surface layer (4) contains titanium dioxide particles with the particle size of 10-50nm, and the coating thickness is 10-20 μm.
3. 3. The corrosion-resistant coated heat-insulating color steel plate according to claim 1, wherein the heat conductivity coefficient of the vacuum insulation panel (5) is less than or equal to 0.005W/(mK), and the density of the closed-cell foam layer (6) is 40-60kg/m3.
4. 4. The corrosion-resistant coated heat-insulating color steel plate according to claim 1, wherein the corrosion-resistant primer layer (2) is an epoxy zinc yellow primer.
5. 5. The corrosion-resistant coating heat-insulating color steel plate as set forth in claim 1, wherein the two sides of the metal substrate (1) are provided with integrated snap-in connecting edges, and the snap-in connecting edges comprise a flange (8) fixedly connected with one side of the metal substrate (1) and a groove (7) fixedly connected with the other side of the metal substrate (1).
6. 6. The corrosion-resistant coating heat-insulating color steel plate according to claim 5, wherein the sealing rubber strips (9) are embedded in the grooves (7), and the sealing rubber strips (9) are made of ethylene propylene diene monomer rubber.

Description

Corrosion-resistant coating heat-insulating color steel plate Technical Field The utility model relates to the technical field of color steel plates, in particular to a corrosion-resistant coating heat-insulating color steel plate. Background The color steel is a color-coated steel plate, which is a steel plate with an organic coating, and has the advantages of good corrosion resistance, bright color, attractive appearance, convenient processing and forming, original strength of the steel plate, low cost and the like. The utility model provides a high stability sound insulation heat preservation foam color steel board, the disclosed number is CN220035910U, including the base plate, be equipped with color steel board on the base plate, the base plate below is equipped with the counter weight bottom plate, the counter weight bottom plate with be equipped with the puigging between the base plate, the puigging includes sound insulation frame and soundproof cotton, the counter weight bottom plate below is equipped with the foam board, the foam board below is equipped with fire-retardant protection shield, counter weight bottom plate both sides are equipped with the one-level spout, the foam board both ends are equipped with the second grade spout, fire-retardant protection shield both ends are equipped with one-level slider and second grade slider, the one-level slider inserts to locate in the one-level spout, the second grade slider is placed on the second grade spout. However, the color steel plate has the problem of insufficient corrosion resistance, and the common coating is easy to corrode in humid, salt fog or industrial polluted environments, so that the base material is corroded, and the service life is shortened. Disclosure of utility model The utility model aims to solve the problems in the prior art, and provides a corrosion-resistant coating heat-insulating color steel plate. In order to achieve the aim, the corrosion-resistant coating heat-insulation color steel plate comprises a metal substrate, a heat-insulation layer and a surface coating, wherein the heat-insulation layer is arranged on one side of the metal substrate, the surface coating is arranged on the other side of the metal substrate, the heat-insulation layer is formed by compounding a vacuum heat insulation plate and a closed-cell foam layer, the vacuum heat insulation plate is attached to the metal substrate, the closed-cell foam layer is filled on the outer side of the vacuum heat insulation plate, the surface coating comprises an anti-corrosion primer layer, a weather-resistant intermediate layer and a self-cleaning surface layer, and the surface of the metal substrate is sequentially coated with the anti-corrosion primer layer, the weather-resistant intermediate layer and the self-cleaning surface layer. Preferably, the self-cleaning surface layer contains titanium dioxide particles with the particle size of 10-50nm, and the thickness of the coating is 10-20 mu m. Preferably, the heat conductivity coefficient of the vacuum insulation panel is less than or equal to 0.005W/(m.K), and the density of the closed-cell foam layer is 40-60kg/m 3. Preferably, the anti-corrosion primer layer is an epoxy zinc yellow primer. Preferably, the two sides of the metal substrate are provided with integrated buckle type connecting edges, and the buckle type connecting edges comprise flanges fixedly connected with one side of the metal substrate and grooves fixedly connected with the other side of the metal substrate. Preferably, the sealing rubber strip is embedded in the groove, and the sealing rubber strip is made of ethylene propylene diene monomer rubber. Compared with the prior art, the utility model has the advantages and positive effects that, 1. According to the utility model, the anti-rust protective film is formed on the surface of the metal substrate by arranging the anti-corrosion primer layer, the weather-resistant intermediate layer and the self-cleaning surface layer, the weather-resistant intermediate layer is enhanced to resist different climates, the self-cleaning surface layer decomposes stains under illumination and keeps clean, and the heat-insulating layer is compounded by the vacuum heat-insulating plate and the closed-pore foam layer, so that heat insulation and mechanical strength are both considered, and building energy consumption is reduced. 2. According to the utility model, through arranging the integrated buckle type connecting edge, the rapid and stable connection is realized through the matching of the flange and the groove, the ethylene propylene diene monomer rubber sealing rubber strip is embedded in the groove, and the groove is filled with the gap through compression deformation, so that the waterproof and airtight properties are enhanced. Drawings FIG. 1 is a schematic diagram showing the three-dimensional structure of a corrosion-resistant coated heat-insulating color steel plate according to the present utility