With the application of the model, the exergy efficiency and the exergy loss in the system of ironmaking (sintering, spheric, ironmaking) is analyzed and direction and path of energy conservation are described.

• 应用该模型，分析了铁前各工序（烧结、球团、炼铁工序）的（火用）效率、（火用）损失，指出了铁前工序的节能方向和途径。