METHOD FOR MELTING OF CAST IRON IN GAS CUPOLA Russian patent published in 2005 - IPC

FIELD: metallurgy.

SUBSTANCE: method involves heating carbon-containing refractory coke bed and melting-through charged burden by burning of air-and-gas mixture flowing from burners; cutting-off supply of gas and air in some burners in case decrease of furnace capacity is required without stopping of melting process course, with flow rate of air-and-gas mixture from operating burners being kept at the same level.

EFFECT: reduced thermal loading of furnace shaft without changing process parameters of melting procedure other than furnace capacity, which may be decreased.

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