ID: 31229Blast furnace hot air injection unit Free downloadKeywords blast furnaceironPOSCOSouth Koreahot air injection unitPohang SteelworksCategories Production Process, Country, Producer, Facility, Ironmaking, South Korea, POSCO, Pohang Steelworks (POSCO)Related itemsClose-up of freshly rolled steel slab in the hot rolling mill Wire rods cooling Interior view of hot-dip galvanising line Cutting steel slab Close up of billets being cast on a 4 stand caster Steel billet in production in the hot strip mill Unloading bay Main control centre