Patent ID: 6450799
Filing Date: 2002-09-17
Classification: C21C,F23D,F23L,Y02E,Y02P

Abstract:
A method for producing a coherent gas jet comprising:(A) passing at least one gas jet from at least one nozzle into an injection volume, said nozzle(s) housed in a lance having a lance face and communicating with the injection volume at the lance face; (B) passing liquid fuel into a recession on the lance face, said recession being around the nozzle(s); (C) passing motive gas into the recession, creating a flow of liquid fuel within the recession, atomizing the liquid fuel, and passing atomized liquid fuel out from the recession into the injection volume annularly to the gas jet(s); and (D) passing oxidant into the injection volume and combusting the oxidant with atomized liquid fuel to produce a flame shroud around the gas jet(s).