01. Iron Making . After undergoing processing, ironore and coke are fed into a blast furnace reaching upwards of 100-meters tall. Inside the furnace, a steady blast of super-heated 1,200℃ air is blown upthrough the raw materials, creation a reaction in which the burning coke pushes the furnace temperature to iron's melting point of 1,535℃.
The process begins by preparing the puddling furnace. This involves bringing the furnace to a low temperature and then fettling it. Fettling is the process of painting the grate and walls around it with iron oxides, typically hematite; this acts as a protective coating keeping the melted metal from burning through the furnace.
Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. iron; production of steelIron ore is one of the most abundant elements on Earth, and ...
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