The causes of corrosion and fouling are discussed depending on the following variables:type of fuel, firing procedures, sulfur content, degree of slagging and excess air.

• 从锅炉燃料的含硫量、燃烧过程、锅炉结渣倾向、过剩空气量等几个方面分析了低温受热面的腐蚀和积灰发生的原因。