Hot gas torches, hot gas torch systems and hot gas heating methods

摘要

Hot gas torches include a nozzle 20 that includes an internal conduit 25 that extends between an inlet end 21 and an outlet end 22 and a heating unit 30 disposed external the internal conduit, wherein the heating unit 30 heats the internal conduit 25 such that a gas that enters the internal conduit at the inlet end 21 is heated before it exits the internal conduit at the outlet end 22.