CPC F01N 3/206 (2013.01) [F01N 3/2892 (2013.01); F01N 2240/16 (2013.01); F01N 2610/02 (2013.01); F01N 2610/102 (2013.01)] | 25 Claims |
1. A mixing apparatus for introducing and distributing a liquid additive into a gas flow, said mixing apparatus comprising
a gas-guiding section for guiding the gas flow;
a metering-in device for introducing the liquid additive into a metering-in region of the gas-guiding section; and
a heating device for actively heating at least one heating section of the gas-guiding section,
wherein the heating section is arranged in the metering-in region and/or downstream of the metering-in region and the gas-guiding section has, in the heating section, at least one elevated portion projecting radially into the gas flow for influencing the flow of the gas flow,
wherein the elevated portion extends in a peripheral direction of the gas-guiding section,
wherein at least two elevated portions are provided that are arranged behind one another, viewed in a direction of flow of the gas flow,
wherein the elevated portion is produced by a reshaping process of the gas-guiding section, and/or wherein the elevated portion is formed by a local thickening of a wall of the gas-guiding section.
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