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Metallurgical furnace

Metallurgical furnace - Wikipedia
Metallurgical furnace - Wikipedia

A metallurgical furnace, more commonly referred to as a furnace, is an industrial furnace used to heat and melt metal ore to remove gangue, primarily in iron and steel production. The heat energy to fuel a furnace may be supplied directly by fuel combustion, by electricity such as the electric arc furnace, or through induction heating in induction furnaces. There are several different types of furnaces used in metallurgy to work with specific metal and ores. Smelting furnaces are used in smelting to extract metal from ore. Smelting furnaces include: The blast furnace, used to reduce iron ore to pig iron Cold blast Hot blast Steelmaking furnaces, including: Puddling furnace Reverberatory furnace Open hearth furnace Basic oxygen furnace Electric arc furnace Electric induction furnace Various smelting furnaces called converters for converting (metallurgy): A Bessemer converter for the Bessemer process A Manhès–David converter for the Manhès–David process Furnaces used to remelt metal in foundries. Furnaces used to reheat and heat treat metal for use in: Rolling mills, including tinplate works and slitting mills.

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Related concepts (16)
Electric arc furnace
An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to about 400-tonne units used for secondary steelmaking. Arc furnaces used in research laboratories and by dentists may have a capacity of only a few dozen grams. Industrial electric arc furnace temperatures can reach , while laboratory units can exceed .
Foundry
A foundry is a factory that produces metal castings. Metals are cast into shapes by melting them into a liquid, pouring the metal into a mold, and removing the mold material after the metal has solidified as it cools. The most common metals processed are aluminum and cast iron. However, other metals, such as bronze, brass, steel, magnesium, and zinc, are also used to produce castings in foundries. In this process, parts of desired shapes and sizes can be formed.
Hot blast
Hot blast refers to the preheating of air blown into a blast furnace or other metallurgical process. As this considerably reduced the fuel consumed, hot blast was one of the most important technologies developed during the Industrial Revolution. Hot blast also allowed higher furnace temperatures, which increased the capacity of furnaces. As first developed, it worked by alternately storing heat from the furnace flue gas in a firebrick-lined vessel with multiple chambers, then blowing combustion air through the hot chamber.
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