Iron powders are mainly produced by Hoganas process and water atomization process, while both of which have the disadvantages of energy consumption. To obtain iron powders with higher particle sphericity, more uniform particle size distribution and higher proportion of total iron (TFe), a novel method considering of energy conservation was developed in this paper. The hot metal was transformed into granules with air cooling in a rotary disc atomizer, iron powder particles and hot off-gas were collected respectively. It was found that the property of the obtained iron powders was mainly controlled by the flow rate of the hot metal, the diameter of the rotary disc and the rotary speed and the heat of off-gas has a high level of value as well.
CITATION STYLE
He, W., Li, X., Lv, X., Qiu, J., & Dang, J. (2017). Dry granulation of hot metal and heat recovery from off-gas. In Minerals, Metals and Materials Series (pp. 117–122). Springer International Publishing. https://doi.org/10.1007/978-3-319-52192-3_12
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