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Production of Iron

The blast furnace

TermDefinition
Charge What is put into the furnace
Limestone Separates the waste and floats it to the top of the molten iron
Iron ore The rock mined from the ground. The iron is melted out ot the ore.
Coke The fuel used to create the heat in the furnace.
Double bell valve system. To stop heat loss when loading the charge.
Gas pipe. To extract the waste gases from the furnace.
Tuyere The pipe which air is blasted through to rise the temperature in the furnace
Slag Waste material produced.
Pig iron The separated iron produced in the blast furnace
Fire brick. Also known as refractory lining which stop heat loss through the walls of the furnace
Tapping spouts Pipes which are at the bottom of the furnace for emptying.
The Hearth The hottest part of the blast furnace.
Created by: Martin Gleeson
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