Apparatus for injecting gas into a vessel

Apparatus for injecting as into a vessel including a gas flow duct 31 which receives hot gas through a gas inlet structure 32 at a rear end of the duct. An elongate central structure 33 extends throughout the length of duct 31 and carries a series of vanes 34 for imparting swirl to the gas flow exit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WILLIAMS, TREVOR, CALVI, JOHN ADRIAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MANUFACTURE OF IRON OR STEEL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	Apparatus for injecting as into a vessel including a gas flow duct 31 which receives hot gas through a gas inlet structure 32 at a rear end of the duct. An elongate central structure 33 extends throughout the length of duct 31 and carries a series of vanes 34 for imparting swirl to the gas flow exiting the forward end of the duct. The forward end of the duct 31 has an internally water cooled tip 36 and water flows to and from tip 36 through annular passages 43, 44 in the wall of duct 31. Vanes 34 are mounted on central structure 33 so as to extend to forward ends disposed within the duct tip 36 and are dimensioned such that during operation of the apparatus their forward ends are engaged and supported by the internally water cooled duct tip 36.