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 Loading packaged steel coils for delivery Engineer in the control centre of POSCO’s FINEX 3 plant Hot rolled slab The seamless steel pipe production line Close-up of cutting and casting steel billets Iron ore, the fundamental ingredient of steel, needs to be reduced in blast furnace to remove it of impurities Hot-rolling process at NLMK Indiana (NLMK Group) Exterior view of blast furnace