分析了热管空气预热器的传热特性和抗低温腐蚀能力以及防积灰能力，提出了控制低温腐蚀和减少积灰的有效措施，为热管空气预热器在中、小型工业锅炉和动力锅炉以及各种工业窑炉上推广应用提供了可行的依据． The heat transfer characteristics, anti-low-temperature corrosion resistance and anti-fouling ability of heat pipe air preheater were analyzed. Effective measures to control low-temperature corrosion and reduce fouling were put forward. It is an effective measure for heat pipe air preheater in medium- and small-sized industrial boilers and power boilers As well as a variety of industrial furnaces to promote the use of provided a viable basis.