燃烧过程的经济性是工业锅炉控制过程中的一个重要环节，本文提出一种以炉膛温度为被控量，利用模糊控制与PI 控制相结合的控制方法，这种方法在实际应用中大大改善了燃料燃烧的充分性，提高了锅炉的热效率。关键词：锅炉燃烧 经济性 模糊控制自寻优Abstract:The efficient combustion is a important part in the corse of control of industrial boiler.In the following article,a method which is not only making the hearth temperature to be controlled but also combining the fuzzy control and PI control is presented.This method greatly improves the full combustion of the fuel and the heat efficiency of boiler in the practicle application.Key words:boiler; combustion; efficiency; fuzzy control; self-optimization