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It's not. PIG iron from the blast furnace is treated further to produce steel. Cast iron is a product made from only iron, like a cast iron frying pan. When they make a cast iron frying pan, it's ready to be sold and used. Pig iron is sent to steel mills and converted to steel.
pig iron
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 ?
it purifies it
Iron is removed from a balst furnace, it melts as it seeps down to the higher temperatures at the bottom of the furnace from where it is tapped off. Hope that helps.
A blast furnace is used to extract iron from its ore.
It is 96% iron (the rest is mostly sulphur etc.).
blast furnace
through the top of the blast furnace
It's not. PIG iron from the blast furnace is treated further to produce steel. Cast iron is a product made from only iron, like a cast iron frying pan. When they make a cast iron frying pan, it's ready to be sold and used. Pig iron is sent to steel mills and converted to steel.
pig iron
no
Blast furnace iron is pure iron. It isn't mixed with any other elements. In steel, iron is mixed with small amounts of carbon.
iron is collected from blast furnace by drilling the taphole.Taphole is a hole drill and plug after cycle of time located in blast furnace bottom.
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 ?
In essence nothing, a Cupola furnace is a type of blast furnace in that it is charged at the top and tapped at the bottom and air is blasted into the furnace via a wind belt and tuyres. A blast furnace in a steel works is a huge structure operated for long periods of time, it is charged with iron ore, coke and limestone and reduces the iron ore into pure iron. 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 specifications. A Cupola furnace is usually operated on a daily basis but some types can be continuously operated for several weeks
the Coke supplies carbon monoxide to reduce the ore in a blast furnace and supplies heat to melt the iron.