METHOD FOR MELTING OF CAST IRON IN GAS CUPOLA

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...

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Bibliographische Detailangaben
Hauptverfasser:	DVORNIK S.I, GRACHEV V.A, MORGUNOV V.N, CHERNYJ A.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING CHEMISTRY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	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. ^ 1 tbl, 1 ex