Patent ID: 7377771

Claim:
Apparatus for the thermal treatment of process exhaust gases containing pollutants, comprising a combustion chamber, in a top cover of which there is arranged at least one burner with a process exhaust gas feed, a feed for washing liquid, which forms a film for the discharge of particles on the inner wall of the combustion chamber, and a discharge for exhaust gas and washing liquid arranged at the bottom of the combustion chamber, wherein the feed for the washing liquid is arranged immediately beneath the cover and is designed in such a way that a continuous film forms over the entire inner lateral surface of the combustion chamber exclusively as a result of the force of gravity, and that part of the cover with burner(s) which faces into the interior of the combustion chamber is not wetted by the washing liquid, and the feed for the washing liquid is designed with a radially encircling annular channel and an overflow edge, which faces toward the interior of the combustion chamber, and the overflow edge forms the top of the inner lateral surface.