Patent ID: 9187791
Filing Date: 2015-11-17
Classification: C21B,C21C,F27B,F27D

Abstract:
1. A method of dispensing an additive into a molten metal, the method comprising: positioning an outlet of a lance below a surface of a metallurgical melt, the positioning including determining location data relative to the surface of the metallurgical melt; and dispensing an additive wire out of the outlet while the outlet is below the surface of the metallurgical melt, wherein the determining of the location data includes emitting a laser beam from a distance measuring assembly toward the surface of the metallurgical melt, and the positioning of the outlet of the lance includes sending a signal from the distance measuring assembly to a displacing assembly configured to move the lance, and wherein the positioning of the outlet of the lance is performed in accordance with information from an encoder configured to track movement of the lance and in accordance with the location data.