An accumulation heat model and its application in iron ore sintering

An autoaccumulation heat model of material beds was constructed with reference to the iron ore sintering process. The effects of the thickness of the combustion layer and the heat distribution ratio in material beds were studied. Simulation results show that the heat of the material beds declines as the combustion layer thickness increases and heat increases as the distribution of calories in the preheating layer increases. Dividing the 300 mm bed into 3 layers, the ratio of heat accumulation in the upper, middle and lower beds is 1∶1.08∶1.13. When the model is applied to the rational distribution of sintering fuel under laboratory conditions, the amount of fuel used is reduced.

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