Anticorrosive paint on the outer wall of the chimney
First, the necessity of anti-corrosion paint on the outer wall of the chimney.
With the continuous development of industrialization, chimneys are more and more widely used in the industrial field, but chimneys are often affected by corrosion and pollution during use. In order to protect the chimney from corrosion and pollution, we need to apply anti-corrosion paint to the outer wall of the chimney. Therefore, the necessity of anticorrosive paint on the outer wall of the chimney is mainly reflected in the following aspects:
1.Anti-corrosion protection: Anti-corrosion paint can effectively prevent the contact between the outer wall of the chimney and corrosive substances, so as to avoid the corrosion and damage of the outer wall of the chimney.
2.Enhanced durability: Anticorrosive paints can improve the durability of the chimney wall, extend the life of the chimney, and reduce the cost of replacement and repair.
3.Aesthetic decoration: anticorrosive paint can also play a role in beautifying decoration, making the appearance of the chimney more beautiful and tidy.
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Second, the selection of anti-corrosion paint on the outer wall of the chimney.
Choosing the right anti-corrosion paint is the key to the corrosion protection of the outer wall of the chimney. When choosing an anticorrosive paint, we need to consider the following factors:
1.Weather resistance: Anticorrosive paints need to be weather-resistant and able to withstand the effects of sunlight, rain, wind and snow in the natural environment.
2.Corrosion resistance: Anticorrosive paints need to be corrosion-resistant and able to resist chemicals such as acids, alkalis, and salts.
3.Mechanical properties: Anticorrosive paints need to have good mechanical properties and are not easy to fall off, crack or blister.
4.Environmental protection: anticorrosive paints need to meet environmental protection requirements, not easy to volatilize harmful gases, and will not pollute the environment.
According to the above factors, the more common anticorrosive paints on the outer wall of chimneys on the market are as follows:
1.Epoxy resin anticorrosive paint: Epoxy resin anticorrosive paint has excellent weather resistance and corrosion resistance, and is widely used in chimney exterior wall anticorrosive paint. It is effective against chemicals such as acids, alkalis, salts, etc., and is not easy to fall off, crack or blister.
2.Polyurethane anticorrosive paint: Polyurethane anticorrosive paint has good mechanical properties and corrosion resistance, and can maintain stable performance over a wide range of temperatures. In addition, polyurethane anticorrosive paints also have excellent decorative properties, which can make the appearance of chimneys more aesthetically pleasing.
3.Chlorinated rubber anticorrosive paint: Chlorinated rubber anticorrosive paint has excellent weather resistance and corrosion resistance, and can maintain stable performance in various harsh environments. The coating process of chlorinated rubber anticorrosive paint is simple, the coating surface is smooth, and it is not easy to accumulate dust and pollution.
4.Polymer anticorrosive paint: Polymer anticorrosive paint is a new type of anticorrosive material with excellent weather resistance, corrosion resistance and mechanical properties. Polymer anticorrosive paint is also environmentally friendly, does not volatilize harmful gases, and is environmentally friendly.
Third, the construction process of anticorrosive paint on the outer wall of the chimney.
The construction technology of anti-corrosion paint on the outer wall of the chimney is the key link to ensure the anti-corrosion effect. The following is the construction process of anticorrosive paint on the outer wall of the chimney:
1.Surface treatment: Surface treatment of the outer wall of the chimney is the basis of anti-corrosion paint construction. Surface treatment needs to remove impurities such as oil, dust and rust on the surface, so that the surface is smooth, dry, free of cracks and unevenness. For some special environments, such as high temperature, high humidity and other harsh environments, special surface treatment measures are required to ensure the adhesion and durability of the coating.
2.Primer coating: Primer is an important component of anticorrosive paint.