ULTRASONIC NOZZLE FOR USE IN METALLURGICAL INSTALLATIONS AND METHOD FOR DIMENSIONING AN ULTRASONIC NOZZLE

摘要

The invention relates to an ultrasonic nozzle for use in metallurgical installations, in particular for the top blowing of oxygen in a Basic Oxygen Furnace (BOF) or an electric arc furnace (EAF), comprising a convergent portion and a divergent portion, which are adjacent to each other at a nozzle throat (DK), wherein the ultrasonic nozzle is defined by the following group of nozzle forms in the respective design case thereof: (T1)