Improving the sintering performance of blends containing Canadian specularite concentrate by modifying the binding medium

Feng Zhang; De-qing Zhu; Jian Pan; Ya-ping Mo; Zheng-qi Guo

doi:10.1007/s12613-018-1607-6

Cite this article as:

Feng Zhang, De-qing Zhu, Jian Pan, Ya-ping Mo, and Zheng-qi Guo, Improving the sintering performance of blends containing Canadian specularite concentrate by modifying the binding medium, Int. J. Miner. Metall. Mater., 25(2018), No. 6, pp.598-608. https://doi.org/10.1007/s12613-018-1607-6

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Improving the sintering performance of blends containing Canadian specularite concentrate by modifying the binding medium

摘要: Canadian specularite concentrate (CSC) possesses high total iron grade and low impurity content. However, due to the poor granulating performance and weak reactivity of CSC at high temperature, the proportion of CSC used in sintering blends is restricted. In this research, the effects of fine limonite, slake lime, and bentonite particles on the granulation performance of blends containing a high ratio of CSC were studied through granulation test. Based on the test results, the effects of modification of the binding medium on the sintering performance of blends containing a high ratio of CSC were revealed by the sintering pot test. Both the granulation property and sintering performance of blends with a high proportion of CSC were improved by modifying the binding medium.

Improving the sintering performance of blends containing Canadian specularite concentrate by modifying the binding medium

Abstract: Canadian specularite concentrate (CSC) possesses high total iron grade and low impurity content. However, due to the poor granulating performance and weak reactivity of CSC at high temperature, the proportion of CSC used in sintering blends is restricted. In this research, the effects of fine limonite, slake lime, and bentonite particles on the granulation performance of blends containing a high ratio of CSC were studied through granulation test. Based on the test results, the effects of modification of the binding medium on the sintering performance of blends containing a high ratio of CSC were revealed by the sintering pot test. Both the granulation property and sintering performance of blends with a high proportion of CSC were improved by modifying the binding medium.

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