Hot air under pressure
Its because air is forced into the furnace to increase temperature. Steve.
A blast furnace is a forge in which ore is smelted to meal, being intensified by a blast of hot air.
the blast furnace got its name , because its bottom which is called a furnace blows hot air to go up.
to let air out
Hot air is blasted into the blast furnace to burn the coke (a cheap form of carbon) added to form carbon dioxide.
Blast furnace = Hochofen
to burn coke that will burn the raw material
A blast furnace is used to extract iron from its ore.
how does the blast furnace maintain the heat ?what is the function of CaCO3 ?how the slag protect the molten iron ?why does iron flow down to the bottom /how does the slag and molten iron get seperated ?what is use of waste gas /what is main impurity of iron in blast furnace ?
Govăjdia Blast Furnace was created in 1810.
'i' blast furnace of tata steel, jamshedpur,india
through the top of the blast furnace