Abstract
The sea sand vanadium titanomagnetite has coarse particles, small specific surface area, and great difficulty in agglomeration process. It is difficult for ironmaking enterprises to use it as an ironmaking raw material in large quantities. In this paper, the different methods were adopted to optimize the pellet performance indexes of sea sand vanadium titanomagnetite in order to increase the usage of SSO. The effects of adding ordinary iron ore powder, vanadia-titania fine powder and ball milling pretreatment of SSO on the preparation process of pellet were studied, and the performance indexes of pellet were analyzed. The results showed that the proportion of unground SSO in pellets was up to 40%. The experimental results provided some reference methods to improve the dosage of SSO.
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