SISTEMA DI GETTO COERENTE NON ESTENSIBILE CON APERTURE ALLINEATE CON INVILUPPO DELLA FIAMMA.

摘要

A coherent jet lance and operating method wherein the need for a lance extension is eliminated using two rings of ports to deliver respectively fuel and oxidant flame envelope gases around the primary gas jets to maintain the gas jets coherent wherein the ports of the two rings are aligned on the lance face.