The main components of the evaporative air cooler is hot dip galvanized steel. However, zinc is a very reactive metal, so the appropriate method in chemical cleaning is particularly important. To analyze the causes and effects of factors on the evaporative air cooler tube bundle outer wall. To choose jet cleaning and chemical cleaning method of combining and effectively cleared the fouling of evapora- tive air cooler tube bundle outer wall.%蒸发式空冷器的主要构件采用热镀锌钢制作。而锌是一种非常活泼的金属，所以化学清洗时选择适合的清洗方法尤为重要。通过对空冷器管束外壁结垢产生的原因和影响因素的分析，选择喷射清洗和化学清洗相结合的方法，有效清除了空冷器管柬外壁的积垢。
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