Patent ID: 7648335

Claim:
An injection nozzle for carrying out a method for interspersing a gas flow with liquid droplets, wherein the liquid droplets are injected into the gas flow, characterized in that an auxiliary gas is injected simultaneously with the liquid droplets into the gas flow, wherein the injection speed of the auxiliary gas is larger than the injection speed of the liquid droplets, so that the injected auxiliary gas stabilizes the injected liquid droplets with respect to trajectory and size, partly shields them from the gas flow and/or entrains them into the gas flow; the nozzle containing: a base surface delimiting the injection nozzle to the gas flow, a liquid inlet opening and a gas inlet opening, at least one liquid orifice connected to the liquid inlet opening, wherein the at least one liquid orifice is designed in a manner such that a liquid introduced into the liquid inlet opening is discharged from it in the form of liquid droplets distributed essentially in a liquid injection plane, and at least one gas orifice connected to the gas inlet opening, wherein the at least one gas orifice is designed and arranged with respect to the at least one liquid orifice in a manner such that an auxiliary gas introduced into the gas inlet opening is discharged from it essentially in at least one gas injection plane, characterized in that the injection nozzle is designed in a manner such that the at least one liquid orifice is arranged on at least one projection protruding out of the base surface into the gas flow; wherein the at least one liquid orifice and the at least one gas orifice are designed in a manner such that the gas injection plane lies essentially parallel to the liquid injection plane and is distanced to this; and wherein: the injection nozzle comprises a liquid orifice and on both sides of this, in each case one gas orifice in a manner such that on both sides of the liquid injection plane in each case an auxiliary gas is discharged in a first and second gas injection plane respectively, said first and second gas injection planes lying essentially parallel to the liquid injection plane and being distanced to this; the distances between the gas orifices and the liquid orifice are unequal; the at least one liquid orifice and the at least one gas orifice are designed in a manner such that the liquid droplets and the auxiliary gas are discharged in the form of fans, wherein the spray angle (α) of the fans is approximately between 20° and 90°; and the at least one liquid orifice and the at least one gas orifice are arranged next to one another and comprise elongate shapes, wherein their longitudinal axes are parallel to one another.