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往高炉内喷吹辅助燃料(天然气、焦炉煤气:重油、煤炭)可节约焦炭,到底能节约多少则取决于燃料化学成分和焦炭含碳量以及高炉内的还原效率。还原效率可用高炉数学模式推导出来。对高炉冶炼时喷吹辅助燃料的经济效益作了解析,结果发现,不管还原效率如何,煤粉是最有利可图的工艺燃料。往还原效率高的高炉内喷吹煤炭,每喷1公斤煤,可降低生铁生
Depending on the chemical composition of the fuel and the carbon content of the coke, as well as the reduction efficiency in the blast furnace, the amount of auxiliary fuel (natural gas, coke oven gas: heavy oil, coal) injected into the blast furnace can save coke. Reduction efficiency can be deduced from blast furnace mathematical model. The economic benefits of blowing auxiliary fuel for blast furnace smelting were analyzed and it was found that pulverized coal was the most profitable process fuel regardless of reduction efficiency. Blast furnace to restore the high efficiency of the injection of coal, each spray 1 kg of coal, can reduce the students