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(i) Draw a neat labelled diagram of blast furnace used for the extraction of iron and mention different zones. (ii) What is the role of coke and lime stone during the extraction of cast iron? |
Answer» SOLUTION :(i)  Diagram and labelling Combustion zone implies 1773 K or `1500^(@)C` Fusion zone implies 1473 K - 1573 K or `1200^(@)C-1300^(@)C` Slag zone implies 1073 K - 1273 k or `900^(@)C-1000^(@)C` Reduction zone 873 K implies `600^(@)C` (ii) Coke implies Fuel or REDUCING agent Lime STONE implies Flux |
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