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在机械制造行业中燃料炉的热效率较低,而废气带走的热量达50～60％,因此,提高炉子的热效率是有着现实的经济意义的。下面介绍我厂燃油热处理的余热利用。我们安装了空气预热器,将废气用来加热空气,从而提高鼓入炉内的空气温度,来提高热效率。空气预热器(结构如图)安装在加热炉的炉顶上,由于受车间行车的影响,高度较低,只有2.5米。预热
In the machinery manufacturing industry, the thermal efficiency of the fuel furnace is low, while the heat of the exhaust gas is 50-60%. Therefore, increasing the thermal efficiency of the furnace has realistic economic significance. The following describes my plant fuel heat treatment of waste heat utilization. We installed an air preheater that uses the exhaust air to heat the air, thereby increasing the temperature of the air blown into the furnace to increase thermal efficiency. Air preheater (structure shown) is installed on the furnace roof, due to the impact of the workshop traffic, low height, only 2.5 meters. Preheat