BLAST FURNACE TUYERE

FIELD: metallurgy, namely structures of blast furnace tuyeres. ^ SUBSTANCE: tuyere of blast furnace includes mutually joined flange, outer and inner housings and nozzle part with cooling ducts. Total surface area of cross sections of cooling ducts consists of 0.07 - 0,54 of cross section area of wal...

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Hauptverfasser:	LIKHACHEV GENNADIJ VLADIMIROVICH, SAMOJLOV MIKHAIL IVANOVICH, KARANIK JURIJ APPOLINAR'EVICH, MIZIN VLADIMIR GRIGOR'EVICH, SHLJAPIN EHDUARD VIKTOROVICH, BELKIN GENNADIJ ANATOL'EVICH, VETER VLADIMIR VLADIMIROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON
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Beschreibung
Zusammenfassung:	FIELD: metallurgy, namely structures of blast furnace tuyeres. ^ SUBSTANCE: tuyere of blast furnace includes mutually joined flange, outer and inner housings and nozzle part with cooling ducts. Total surface area of cross sections of cooling ducts consists of 0.07 - 0,54 of cross section area of wall of tuyere nozzle part. Spacing from inner surface of cooling duct till outer surface of nozzle part of tuyere consists of 0.05 -0.50 of thickness of nozzle part wall in zone of cooling duct arrangement. Spacing between inner surfaces of adjacent cooling ducts along axis of tuyere consists of 0.01 -0.60 of length of nozzle part of tuyere. ^ EFFECT: improved strength of tuyere. ^ 5 cl, 2 dwg, 1 ex