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Beginning of Paper
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Producing Steel
Purifying pig iron produces steel, to get rid of the many impurities during smelting. I am going to explain how this is done, and the uses of steel produced in four furnaces.
BASSEMER CONVERTER
This was made in England. Molten pig iron was change to steel when air was blown through it ....
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Middle of Paper
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.... with scrap and pig iron make up the charge.
The tap hole is located in the back wall; ports are in the sidewalks, through which preheated gas from the blast furnace and air are blown into the furnace. These mix and burn with a very hot flame. The flame above the bath of molten metal, raising it to a temperature of about 1650C. The gasses leak through ports in the contrast wall, going through a heating chamber of checquered brickwork. A similar set of chambers is situated at the opposite side of the furnace. The valves are fitted which allows the directi ....
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SUBJECTS
