Method for producing pig iron and blast furnace facility using same

Abstract

This blast furnace facility is provided with: a blast furnace main body (110); starting material charging means (111-113) that charge a starting material (1) containing iron ore and coke into the interior of the blast furnace main body (110) from the apex thereof; hot airflow blow-in means (114, 115) that blows in a hot airflow (101) from a tuyere to the interior of the blast furnace main body (110); and blast-furnace-blow-in charcoal supply means (120-129) that blow in blast-furnace-blow-in charcoal (11) from the tuyere to the interior of the blast furnace main body (110). The blast-furnace-blow-in charcoal supply means (120-129) blow in a blast-furnace-blow-in charcoal (11) having an oxygen atom content (on a dry basis) of 10-20 wt % and an average pore size of 10-50 nm.

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