VORRICHTUNG UND VERFAHREN ZUR REINIGUNG DER AUSLASSDUESE EINES VAKUUMENTGASUNGSBEHAELTERS

摘要

The invention provides an arrangement for cleaning or deskulling the downwardly protruding nozzle of a vacuum degassing vessel comprising a rotatable tool carrier capable of being positioned below the degassing vessel; one or more scraping tools mounted on the tool carrier; means for rotating the tool carrier; and means for lowering the vessel and/or raising the tool carrier so as to engage the nozzle with the tools.