METHOD FOR SCREENING IRON STEEL SLAG, METHOD FOR RECYCLING IRON STEEL SLAG AND METHOD FOR MANUFACTURING RAW MATERIAL FOR IRON MAKING

摘要

PROBLEM TO BE SOLVED: To provide a method for screening iron steel slag capable of screening iron steel slag into 3 kinds with a form suitable for a recycling method while suppressing increase of magnetic force screening processes.SOLUTION: There is provided a method for screening iron steel slag having a fragmentation process for fragmenting the iron steel slag to make a slag fragmented article, a first magnetic force screening process for screening the slag fragmented article into a magnetically attracted article and a non-magnetically attracted by magnetic force screening, a classification process for sieving the magnetically attracted article into a coarse particle and fine particle, and a second magnetic force screening process for screening the fine particle into a magnetically attracted article and a non-magnetically attracted article by the magnetic force screening.SELECTED DRAWING: Figure 1