Japan, March 5 -- NIPPON STEEL CORP has got intellectual property rights for 'OPERATION METHOD FOR BLAST FURNACE.' Other related details are as follows:
Application Number: JP,2022-123098
Category (FI): C21B5/00,311,C21B5/00,313
Stage: PROBLEM TO BE SOLVED: To suppress an increase in the thickness of a mixed layer in a cohesive zone and to enhance the air permeability in a furnace.SOLUTION: The present invention provides an operation method for a blast furnace for producing pig iron by alternately forming coke layers and ore layers. With a furnace diameter position included in the range of 0.1 or more and 0.3 or less in the blast furnace dimensionless radius as a boundary, the area on the furnace center side of this boundary is defined a...