METHOD OF CONTINUOUSLY MELTING DOWN SCRAP, IRON SPONGE OR THE LIKE

摘要

This invention relates to a method of continuously melting down scrap, iron sponge and the like in a vertically arranged shaft furnace in which a flame produced by fuel-oxygen combustion is applied to the bottom of a column of charge material in the furnace to melt such material in an oxidising melting zone, the invention being characterised by the creation of a reducing zone beneath said oxidising melting zone and said reducing zone being provided by admixing slow-reacting large pieces of coal to the charge material so that such pieces of coal will pass through said oxidising melting zone and collect at the bottom of the furnace.