Tail gas treating device

The utility model discloses a tail gas treating device, tail gas treating device includes: the tail gas treatment pipeline, temperature compensating unit, catalytic oxidation unit, the selective catalytic reduction unit arranged in order on the tail gas treatment pipeline, reductant supply unit, reductant supply unit's export with the import of selective catalytic reduction unit links to each other, the lower floor holds the room and the upper strata holds the room, the upper strata room of holding is located the lower floor holds the top of room, the floor that the upper strata holds the roomhas first fly leaf, second fly leaf and third fly leaf, the temperature compensating unit the catalytic oxidation unit selective catalytic reduction unit equipartition is put the upper strata holds indoorly, and the one -to -one arrange the top of first fly leaf the top of second fly leaf the top of third fly leaf. The utility model discloses a tail gas treating device can be conveniently overhauls each part of tail gas