Iron ore reducing and melting apparatus

An iron ore reducing and melting apparatus comprising: - a furnace comprising from bottom to top: a hearth, a tuyere level, a shaft level and a top level, said blast furnace comprising at least one first gas injector on the tuyere level - at least one first reducing gas generator connected to the at...

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Bibliographische Detailangaben
Hauptverfasser:	DELIKONSTANTIS, EVANGELOS, BANIASADI, MEHDI, DIDELON, FERNAND, JI, JIHONG, KINZEL, KLAUS PETER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CHEMISTRY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MANUFACTURE OF IRON OR STEEL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	An iron ore reducing and melting apparatus comprising: - a furnace comprising from bottom to top: a hearth, a tuyere level, a shaft level and a top level, said blast furnace comprising at least one first gas injector on the tuyere level - at least one first reducing gas generator connected to the at least one first gas injector, wherein the apparatus is adapted to provide reducing gas comprising 30-100 % (vol/vol) hydrogen on the tuyere level and to operate at a coke rate of below 200 kg/t hot metal.