Lec Smelting Of Iron

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Iron Ores Nomenclature Composition Fe %age Location Magnetite (Black oxide) Fe 3 O 4 72.4 Makarwal, Swabi, Chitral (PAK), Land of midnight sun (Sweden), Pennsylvania(USA), Siberia(Russia) Hematite (red, brown & black) Fe 2 O 3 40-65 Kala bagh, Chnari, Chaghi, Chalghazi (PAK), Lake superior, Utah (USA), Lorraine (France), Amazon basin (Brazil) Limonite & other hydroxide types of ores 2Fe 2 O 3 . H 2 O to Fe 2 O 3 . 3H 2 O 20-55 Not found in PAK, Britain’s East coast Siderite FeCO 3 Low in Fe Hazara, Mardan (PAK), South Wales, Staffordshire &west York (UK) Iron Pyrite (yellow) FeS 42 Mardan, Chitral (PAK)

General view of Blast Furnace plant

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Blast furnace diagram 1. Hot blast from Cowper stoves 2. Melting zone ( bosh ) 3. Reduction zone of ferrous oxide ( barrel ) 4. Reduction zone of ferric oxide ( stack ) 5. Pre-heating zone ( throat ) 6. Feed of ore , limestone , and coke 7. Exhaust gases 8. Column of ore, coke and limestone 9. Removal of slag 10. Tapping of molten pig iron 11. Collection of waste gases

Blast Furnace Charge ,[object Object],[object Object],[object Object],[object Object],[object Object]

Metallurgical Coke ,[object Object],[object Object],[object Object],[object Object],[object Object]

Coke Manufacturing Process ,[object Object],[object Object],[object Object],[object Object],[object Object]

Coke Manufacturing Process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quality Control and Standards ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Flux ,[object Object],[object Object]

Charging Mechanism in Blast Furnace

Smelting operation ,[object Object],[object Object],[object Object]

Smelting operation ,[object Object],[object Object]

Chemical Reactions in Blast Furnace ,[object Object],[object Object],[object Object],[object Object]

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Pig Iron - Properties & uses ,[object Object],[object Object],[object Object]

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Lec Smelting Of Iron

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