In the harsh environments of metallurgy, characterized by high temperatures, heavy dust, and continuous operation, the reliability of the cooling system directly determines the lifespan of equipment and the quality of products. Closed-circuit cooling towers, with their excellent water quality assurance and stable heat exchange performance, have become indispensable key equipment in modern metallurgical processes. Their application in the metallurgical industry is widespread, spanning almost the entire production process from ironmaking and steelmaking to casting and rolling.