The outer wall of the cooling tower is painted (the waist line of the cooling tower is painted with navigation beacons).
With the continuous development of industrial production, cooling towers are widely used in various industries, and the coating and painting of their outer walls have attracted more and more attention. This article will focus on the process of painting the outer wall of the cooling tower, the selection of coating materials, and the precautions for safety and environmental protection.
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First, the process flow.
The process of painting the outer wall of the cooling tower generally includes the following steps:
1.Preliminary preparation: clean the outer wall of the cooling water tower to ensure that the surface is clean and free of dust, rust, oil and other impurities. For local damage or rust, sanding, rust removal and repair are required.
2.Coating primer: Priming on a cleaned outer wall, the role of the primer is to increase the adhesion of the coating, prevent corrosion, and at the same time provide a good base for the topcoat. Commonly used primers include anti-rust paint, epoxy zinc-rich primer, etc.
3.Painting topcoat: After the primer has dried, the topcoat is applied. The role of the topcoat is to provide long-term protection and decorative effect. Commonly used topcoats are acrylic topcoats, polyurethane topcoats, etc.
4.Painting the waistline: In the waistline of the cool water tower, special attention needs to be paid to the painting effect to ensure that the lines are clear, uniform and beautiful. Commonly used waistline paints include navigation paint, fluorescent yellow, etc.
5.Quality inspection: After the coating is completed, the quality inspection is carried out to check whether the coating surface is smooth, flat, no bubbles, no falling off and other phenomena. Repair and repaint non-conforming parts.
6.Later maintenance: regularly maintain and maintain the outer wall of the cooling tower to keep the coating intact and beautiful.
Second, the selection of coating materials.
When choosing a coating material, the following factors need to be taken into account:
1.Weather resistance: The coating material needs to have good weather resistance and be able to withstand the harsh conditions such as sunlight, rain, snow, wind and sand in the natural environment.
2.Corrosion resistance: The coating material needs to have good anti-corrosion performance, which can effectively prevent the corrosion of water, oxygen, and chemicals on the outer wall of the cooling tower.
3.Adhesion: The coating material needs to have strong adhesion, which can be tightly attached to the outer wall of the cool water tower and is not easy to fall off.
4.Decorative: The coating material needs to be well decorative, which can make the outer wall of the cooling tower beautiful and generous, and enhance the overall image.
5.Safety and environmental protection: The coating materials need to meet the safety and environmental protection requirements and will not cause harm to the human body and the environment. Commonly used coating materials include paints, coatings, powders, etc., among which paint has good adhesion and weather resistance, coatings have long service life and decoration, and powder has good environmental performance and production efficiency. The specific choice needs to be comprehensively considered according to the actual situation.
3. Safety and environmental protection precautions.
In the process of painting the outer wall of the cooling tower, the following safety and environmental protection matters need to be paid attention to:
1.Operators need to be professionally trained to master safety operation procedures and skills to avoid accidents.
2.The construction site needs to set up safety warning signs and be equipped with safety protection facilities to ensure the safety of workers.
3.Choose environmentally friendly coatings to reduce environmental pollution and harm to the human body.
4.During the construction process, it is necessary to pay attention to ventilation to reduce the harm of harmful gases to workers and the surrounding environment.
5.For waste paints, waste solvents and other wastes, it is necessary to classify and dispose of them in accordance with relevant regulations to avoid harm to the environment.