Yang You, Jiabao Guo, Gang Li, Zhuang Zheng, Yong Li, and Xuewei Lv, Effects of process parameters on the growth behavior and granule size distribution of iron ore mixtures in a novel high-shear granulator, Int. J. Miner. Metall. Mater.,(2021). https://doi.org/10.1007/s12613-021-2407-y
Cite this article as:
Yang You, Jiabao Guo, Gang Li, Zhuang Zheng, Yong Li, and Xuewei Lv, Effects of process parameters on the growth behavior and granule size distribution of iron ore mixtures in a novel high-shear granulator, Int. J. Miner. Metall. Mater.,(2021). https://doi.org/10.1007/s12613-021-2407-y
Research Article

Effects of process parameters on the growth behavior and granule size distribution of iron ore mixtures in a novel high-shear granulator

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  • Received: 14 October 2021Revised: 26 December 2021Accepted: 27 December 2021Available online: 28 December 2021
  • This work proposes a novel horizontal high-shear granulator for iron ore granulation before sintering process. The granulation behavior such as growth process and structure of granules were firstly analyzed, followed by the effects of operation conditions such as water content, initial particle size distribution and the concentrate ratio. The results show that the granule size increased significantly with increasing the granulation time, and the structure of granule can be divided into three types: non-nuclei, single-nuclei and multi-nuclei. Water promotes the coalescence and growth of particles, and a better granulation performance was obtained at the water content of 8.8wt% under the current raw material conditions. Increasing the nuclei particle ratio led to an increase in average size of granules and permeability of the granules bed, but a decrease in growth index. Besides, with increasing of concentrate ratio, granulation performance such as granule size, bed permeability and uniformity became worse.

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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