Blast furnace
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A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being
Former AHM blast furnace in Port of Sagunt, Valencia, Spain
Blast furnaces of Třinec Iron and Steel Works in Czech Republic
Charcoal burning iron blast furnace in Jackson County, Ohio, 1923
Rising carbon monoxide reduces iron oxides to pure iron through a series of reactions that occur at different areas within a blast furnace.
Direct reduction
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In the iron and steel industry, direct reduction is a set of processes for obtaining iron from iron ore, by reducing iron oxides without melting the metal. The resulting product is pre-reduced iron or
New Zealand Steel steel complex, fed by direct reduction rotary furnaces (SL/RN process) (capacity 650,000 t/year).
Pre-reduced iron ore briquettes.
Lebeddinskv GOK-1 unit at Gubkin (Russia): HYL process started up in 1999, capacity 0.9 Mt/year.