ID: 31229 Blast furnace hot air injection unit Free download Keywords blast furnaceironPOSCOSouth Koreahot air injection unitPohang Steelworks Categories Production Process, Country, Producer, Facility, Ironmaking, South Korea, POSCO, Pohang Steelworks (POSCO) Related items Unloading iron ore pellets Production process of coke Inspecting steel slab in storage Steel billet in production in the hot strip mill Exterior views of facility entrance and office complex Steel plate being prepared for quality inspection Rolling process at NLMK La Louvière Iron ore, the fundamental ingredient of steel, needs to be reduced in blast furnace to remove it of impurities