FLUORITE SUBSTITUTE FOR FLUORITE FREE REFINING

摘要

The present invention provides a fluorite substitute for fluorite free refining in a steelmaking ladle to facilitate to make ferroalloys and quicklime injected into a ladle into slag during a converter tapping process and to substitute for fluorite for lowering the melting point of the slag. The fluorite substitute includes 30-40 wt% of sodium components, 45-55 wt% of ladle slag, and 10-20 wt% of binders.