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Anti-corrosion project for the gas system in a certain city: The long-distance natural gas pipelines are equipped with an enhanced petroleum asphalt glass fiber cloth anti-corrosion coating, and dual protection is provided through combined use with external current cathodic protection stations; these pipelines have been in use for 5 years now, and the coating is in good condition. Case study on anti-corrosion treatment for the inner wall of chimneys: High-performance ceramic coatings resistant to high temperatures and chemical corrosion are used, along with spray robots and a multi-layer spraying process, to ensure that the anti-corrosion layer is uniform and dense, thereby significantly improving its anti-corrosion capabilities. 2. Anti-corrosion renovation of salt storage tanks in large chlor-alkali plants: The Dillin anti-corrosion system is employed, which includes sealants, leveling mortars, and heavy-duty anti-corrosion coatings, to address the issue of penetration through concrete pores; after the renovation, no leaks were observed over 6 years of continuous operation, with a coating integrity rate of over 98%. 3. Emergency repair of the brine tank in an old chlor-alkali plant: By using Dilin 6900 underwater curing coating along with specialized underwater construction tools, the emergency repair was successfully completed without shutting down the plant, thereby avoiding production losses. Anti-corrosion project for the gas system in a certain city: The long-distance natural gas pipelines are equipped with an enhanced petroleum asphalt glass fiber cloth anti-corrosion coating, and dual protection is provided through combined use with external current cathodic protection stations; these pipelines have been in use for 5 years now, and the coating is in good condition. The above cases illustrate the application of anti-corrosion coatings in various industrial scenarios, covering aspects such as material selection, construction methods, and inspection standards, and provide valuable experience for similar projects.