METHOD FOR CONTROLLING CHARGE OF CENTER COKE IN BELL-LESS BLAST FURNACE

摘要

PROBLEM TO BE SOLVED: To provide a control method of the charge of center coke in a bell-less blast furnace, with which the stable blast furnace operation can be obtd. and the iron tapping quantity at the production increasing time can be secured. ;SOLUTION: In this bell-less blast furnace, a charging raw material and a center coke are synchronously charged, and the center coke is charged into the center part of the blast furnace and the charging raw material is charged into surroundings thereof. Then, in the above charging method, based on the number of swings, swing position and swing speed of a charging chute 2 for raw material, the starting timing and the completing timing of the center coke are controlled.;COPYRIGHT: (C)2000,JPO