Spear for Drilling and / or Thermal Cutting fusion, which comprises at least four tubular Profiles and more than 17 cavities inside the Spear

摘要

The present Invention relates to a Thermal lance to Pierce and Open Passages of bleeding of the melting Furnaces that use earplugs or mixtures of Clay, alumina, silica, Carbon and other, which comprises at least four tubular Profiles and more than Seventeen contained inside the cavities SpearAnd where the tubular Profiles are selected tubular Profile cross section round, Square, triangular, hexagonal, oval, Star of multiple tips