在工业生产中,人们力求减少单位重量产品所需燃烧燃料的尝试,改善了燃料的利用。但是,据估计,大约有5%的燃料在人们利用的过程中仍然被浪费掉。缺乏对于燃料燃烧的经济价值十分重要的操作因素方面的知识,是燃料被浪费的关键原因。通常是偏重于控制过量空气、烟囱无黑烟、最低的排烟温度、最佳的火焰状态以及所有烟道的通风等。 At industrial production, attempts have been made to reduce the amount of fuel needed to burn a unit weight of product, improving fuel utilization. However, it is estimated that about 5% of the fuel is still wasted in people’s use. The lack of knowledge about the operational factors that are important for the economic value of fuel combustion is a key cause of wasted fuel. Often the emphasis is on controlling excess air, smokeless chimney, lowest smoke temperature, best flame condition and ventilation of all flue gases.