Development of the technology of steel treatment

The paper studies the process of metallic melt refining using out-of-furnace treatment in a ladle, which allows to produce castings with minimal rejection by casting defect. A plant model was designed and made for the process of removing non-metallic inclusions from liquid by blowing with inert gas through the bottom plug and the top lance. Particularly the influence of top lance on stirring intensity and blowing time on the amount of removed non-metallic inclusions was estimated.