Patent Number: 6,254,665

Title: Method for producing reduced iron agglomerates

Abstract: A moving hearth is formed by providing a layer of hearth material primarily composed of iron oxide on a base refractory in a reducing furnace and then sintering the hearth material so that the sintered moving hearth is not melted at an operational temperature in a reducing step. The moving hearth is more easily constructed compared to providing a shaped or amorphous refractory on the base refractory, has high durability, and can maintain surface flatness during operation.

Inventors: Matsushita; Koichi (Tokyo, JP), Tateishi; Masataka (Kakogawa, JP), Tanaka; Hidetoshi (Kakogawa, JP), Harada; Takao (Kakogawa, JP)

Assignee: Kobe Steel, Ltd.

International Classification: C21B 13/00 (20060101); C21B 13/10 (20060101); F27B 21/00 (20060101); F27B 9/16 (20060101); F27D 1/16 (20060101); F27B 21/02 (20060101); F27B 9/00 (20060101); F27D 3/00 (20060101); C21B 011/00 (); C21B 013/00 ()

Expiration Date: 07/03/2018