Aciculiform rotation type SCR developments are mixed and are prevented deposition spray nozzle device

The utility model relates to a gas mixing and prevent deposition technical field, concretely relates to aciculiform rotation type SCR developments are mixed and are prevented deposition spray nozzle device. An aciculiform rotation type SCR developments are mixed and are prevented deposition spray nozzle device is located ammonia injection grid, includes: the ammonia mother of spouting that the even setting of a plurality of nozzles was placed in the level manages, and with spout perpendicular connection of the female pipe of ammonia, the nozzle is cylindricly, the shaft coupling is located thecentral line department of nozzle drum, the movable vane unit bit in the top position of shaft coupling, the movable vane device is provided with multi -disc movable vane blade, the spring top is fixed in the bottom of shaft coupling, the bottom of spring is fixed through controllable nut spout on the female pipe of ammonia, pine needle ash remover set up in the shaft coupling is located part inthe nozzle. The utility mo