MIXER DEVICE, SYSTEM AND METHOD FOR DECOMPOSING A UREA SOLUTION IN SUCH A MIXER DEVICE

摘要

The present invention relates to a mixer device (40) intended to be integrated in an exhaust line (30) of a heat engine (10), upstream of a catalyst of the selective reduction device (25), the mixer device comprising a mixing chamber (41), provided with an input (e) and an output (s) in order to allow a flow of exhaust gases, and an orifice (42), communicating with said mixing chamber (41), which is injected a solution of urea, in the form of a jet sprayed onto the impacters (46) distributed within said mixing chamber (41), the mixer device (40) being characterized in that it further comprises: - a grid (44) disposed on said outlet (s) of said mixing chamber (41), - of the heating elements (45, 47) respectively integrated to the impacters (46) and to the grid (44).