lança de sopro de oxigênio com elemento de proteção

An oxygen blowing lance for steel production, the lance having a protection element. The end of a main oxygen tube at the lance head has a cover shell with outlets. An oxygen outlet nozzle is removably and exchangeably fastened to each outlet. The protection element is provided removably and exchang...

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Bibliographische Detailangaben
Hauptverfasser: HELMUT KERSCHBAUM, HARALD TRAXINGER, STEFAN LACHNER, PETER WIMMER, MARINKO LEKIC-NINIC, EWALD REISENBERGER
Format: Patent
Sprache:por
Schlagworte:
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Beschreibung
Zusammenfassung:An oxygen blowing lance for steel production, the lance having a protection element. The end of a main oxygen tube at the lance head has a cover shell with outlets. An oxygen outlet nozzle is removably and exchangeably fastened to each outlet. The protection element is provided removably and exchangeably at the lance head end of the oxygen blowing lance. An intermediate space is present between the lance head end of the oxygen blowing lance and the protection element. Penetrations are provided in the protection element, the oxygen outlet nozzles passing through the penetrations from the shell outward, and a gap remains between the oxygen outlet nozzle and the protection element. A protective gas line feeds into the intermediate space between the lance head end of the oxygen blowing lance and the protection element. A method for operating the oxygen blowing lance is also described.