It uses a blast of hot air forced through the furnace. I see that you have many more questions- here is a link to more information on blast furnaces- go read. https://en.wikipedia.org/wiki/Blast_furnace
pig iron
what are blast and crucible furnaces
First: Roast the Galena in a blast furnace for 30 minuets. Second: Add Carbon to the blast furnace to remove impurities. Third: Tag off your lead from the bottom of the blast furnace.
Some will give credit to Sir Henry Bessemer invented the modern day blast furnace in 1855. However, if you look historically the Chinese invented the blast furnace. By at least the 4th century the Chinese have developed blast furnaces to obtain cast iron from iron ore. This was 1200 years before the first blast furnace showed up in Europe.
it purifies it
Its because air is forced into the furnace to increase temperature. Steve.
Blast furnace .
the blast furnace got its name , because its bottom which is called a furnace blows hot air to go up.
belly
Blister
Blast furnace = Hochofen
pig iron
A blast furnace is used to extract iron from its ore.
Govăjdia Blast Furnace was created in 1810.
A blast furnace is a forge in which ore is smelted to meal, being intensified by a blast of hot air.
'i' blast furnace of tata steel, jamshedpur,india
through the top of the blast furnace