1. Overview Tubular cooler is a heat exchange device commonly used in metallurgy, chemical industry, energy, transportation, light industry, food and other industrial sectors. It is suitable for different working conditions such as cooler, condensation, heating, evaporation, and waste heat recovery. Due to its sturdy structure, great flexibility in use, and strong adaptability, a lot of improvements have been made to the structure, technology and materials in recent years, making its technical performance more reasonable and advanced.