1.情况分析空气预热器对锅炉的重要作用是众所周知的。在电站锅炉中,空气预热器已经成为不可缺少的重要部件。在工业锅炉尤其是在小型工业锅炉中,虽然目前采用空气预热器的尚属少数,但近几年的实践证明,空气预热器对工业锅炉的节能和可靠运行,有着重大的经济、社会价值。 1. Case Study The importance of air preheaters to boilers is well known. In utility boilers, air preheaters have become an indispensable and important component. In the industrial boilers, especially in the small industrial boilers, although there are still a few air preheaters currently used, the practice in recent years has proved that the air preheaters have a significant economic and social impact on the energy-saving and reliable operation of industrial boilers. value.