A process for keeping a tuyere passing through a metallurgical vessel free of a skull

The present invention relates to a process for keeping a tuyere passing through a metallurgical vessel free of a skull by intermittendly passing an oxygen-containing gas through the tuyere to dissolve the skull, wherein it is determined that an interval for passing said oxygen-containing gas through...

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Bibliographische Detailangaben
Hauptverfasser:	ROLF LAMM, CHRISTOPH CARLHOFF, WILHELM MERKENS
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY COLORIMETRY 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 MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PHYSICS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RADIATION PYROMETRY RETORTS TESTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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