Method for manufacturing pig iron in blast furnace e.g. cupola, involves passing powdered fuels through equipped area of heated pipe during sinking process in container, in order to stir up powdered fuel

摘要

The method involves heating different powdered fuels stored in container by using heated pipe. The heated powdered fuels are injected into tuyeres (6) of blast furnace (7) by using single pressure line (5), such that the powdered fuels supplied to the containers from above is sunk downwards. The powdered fuels are supplied to lower portion of the container using intermediate pressure line (3) or single pressure line. The powdered fuels are passed through an equipped area of heated pipe during sinking process in the container, in order to stir up the powdered fuel.