Research for improving the performance of rotary air preheater

Rotary air preheater is widely used in good-sized power station boilers as tail unit equipment.The performance of air preheater has much effect on the whole efficiency of the utility.This paper,which analyzes some common problems during the running course of air preheater,puts forward methods for improving the performance of air preheater.Some measures which can resolve the problems are analyzed.The principle will guide the improvement of performance for air preheater.