| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of sinter ore capable of improving sinterability or molded article quality during recycling in a sintering process of a steel slag.SOLUTION: There is provided a manufacturing method of sinter ore including a compression molding process of compression molding a steel slag having the iron content of 15 mass% or more, the POcontent of less than 5.5 mass%, the SiOcontent of 20 mass% or less to prepare a molded article having volume of over 0.0063 cmand less than 2.3 cmand a granulation process of mixing and granulating an iron-containing raw material, an auxiliary material, a return ore, a dust and a carbonaceous material and a process for firing with a downward suction type sintering machine after mixing granular obtained in the granulation process. |
