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What is the function iron ore in a blast furnace?
Iron ore is used in a blast furnace as a raw material for producing iron. It is the primary source of iron, which is essential for the production of steel. The iron ore undergoes a series of chemical reactions in the blast furnace, resulting in the extraction of molten iron.
Why is a blast furnace called blast furnace?
A blast furnace is given its name because it uses a blast of hot air to create high temperatures required for the smelting process. The term "blast" refers to the forced air used to increase the combustion rate and temperature inside the furnace, essential for melting iron ore and producing pig iron.
How long does it take to make iron in a blast furnace?
It typically takes a few hours to produce iron in a blast furnace. The process involves loading the furnace with iron ore, coke, and limestone, heating it to high temperatures, and allowing the molten iron to collect at the bottom of the furnace. Once the iron is ready, it can be tapped and further processed into various forms.
What are the proess of iron production in blast furnace?
In a blast furnace, iron ore, coke (carbon), and limestone are fed into the top of the furnace. Hot air is blown into the bottom of the furnace, causing the coke to burn and generate high temperatures. This reduces the iron ore to produce molten iron, which is tapped off at the bottom of the furnace. Slag, a byproduct of the process, is also formed and removed.
Where does molten iron go in a blast furnace?
Molten iron sinks to the bottom of the blast furnace due to its higher density compared to the other materials. It is tapped from the furnace and cast into molds to solidify into various shapes for further processing.
