Tuyere assembly and molten iron manufacturing apparatus using same

Provided is a tuyere assembly for a molten iron manufacturing apparatus, which is capable of preventing tuyere damage and reducing the combustion focal distance for higher combustion efficiency of an auxiliary fuel, and minimizing the abrasion of an intake pipe caused by the intake of the auxiliary...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BAE JINAN, CHOI EUNG-SOO, HEOR GEUM-SIK
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	Provided is a tuyere assembly for a molten iron manufacturing apparatus, which is capable of preventing tuyere damage and reducing the combustion focal distance for higher combustion efficiency of an auxiliary fuel, and minimizing the abrasion of an intake pipe caused by the intake of the auxiliary fuel. The present invention comprises: a tuyere which has a gas channel through which a gas containing oxygen is introduced into a melting gasification furnace; and a fuel intake pipe which is separated from the gas channel, penetrates the tuyere, and introduces the auxiliary fuel into the melting gasification furnace. The fuel intake pipe comprises two pipes connected to each other.