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en.wikipedia.org/wiki/Blast_furnace

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 "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air (sometimes wi...

www.britannica.com/technology/blast-furnace

Blast furnace: Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of a flow of air introduced under pressure into the bottom of the furnace with a mixture of metallic ore, coke, and flux fed into the top. Blast furnaces are used to produce pig iron from iron ore for subsequent

www.answers.com/Q/What_is_Blast_Furnace

A Cupola furnace, as used in the foundry re melts pig iron, from the blast furnace, along with foundry scrap, steel scrap and scrap iron engine blocks and produced iron alloys of various ...

www.answers.com/Q/What_is_the_waste_gas_in_the_Blast...

Iron ore or Haematite (Fe3O2), Carbon in the form of 'Coke', and Limestone (Calcium Carbonate 'CaCO3') are all used in the blast furnace. Iron Ore is melted down with coke, the coke burns heat ...

en.wikipedia.org/wiki/Ground_granulated_blast-furnace_slag

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.

simple.wikipedia.org/wiki/Blast_furnace

A blast furnace is a special type of furnace for smelting iron from ore. Blast furnaces are very large. They can be up to 60 metres (200 ft) tall and 15 metres (49 ft) in diameter. The blast furnace is the biggest chemical reactor. Blast furnaces are also called high ovens.

minecraft.gamepedia.com/Blast_Furnace

Blast furnaces are similar to furnaces but are used to smelt mineral blocks in particular. [needs testing] When a smelting item and a fuel is placed into the blast furnace, the block state will change to lit and the item will smelt, twice as fast as a regular furnace.Fuel is also used at double the rate of regular furnaces, so that the amount of items cooked per fuel stays the same.

www.wisegeek.com/what-is-a-blast-furnace.htm

Blast furnaces are devices that are used in the process of iron smelting.The heat created in the furnace makes it possible to produce the iron from iron oxide ores. A blast of air contained within the blast furnace itself helps to intensify the degree of heat, expediting the smelting process.

oldschool.runescape.wiki/w/Blast_Furnace

The Blast Furnace is a members-only minigame situated in Keldagrim for smelting bars. The furnace here only requires half as much coal when smelting usually, so it can be useful when smelting the ores that require more coal.

runescape.fandom.com/wiki/Blast_Furnace

The Blast Furnace is a members-only minigame located in Keldagrim. Players use the furnace to smelt ore into bars; but to be successful, they must keep it working. The Blast Furnace requires half the amount of coal normally required for a furnace or Superheat Item spell. Although the Blast...