Center coke charging method of Bell-type blast furnace

摘要

PROBLEM TO BE SOLVED: To accurately and efficiently heap a core coke into a core part. ;SOLUTION: In a charging method of the core coke for charging the core coke 7 into the core part by arranging an exclusive charging chute 3 at the furnace top part of a bell type blast furnace, at the same time of or just before starting extraction of charging raw material, the core coke 7 is extracted. Further, the completing times of extractions of the charging raw material 6 and the core coke 7 are adjusted and the core coke heaped layer 8 is exposed from the upper end surface 5 of the charged raw material formed with the charging raw material 6.;COPYRIGHT: (C)1997,JPO