Whirl combination aerator is sprayed to promotion formula

The utility model relates to a whirl combination aerator is sprayed to promotion formula belongs to sewage treatment device technical field, and the device is including urceolus and intake pipe, the urceolus includes bottom and lateral wall, and the bottom is equipped with the air inlet, and air inlet department connects intake pipe one end, and the intake pipe other end links to each other with external fan, and the intake pipe is equipped with mixing nozzle in the one end of air inlet department, and the mixing nozzle export is located urceolus the central axis, and the mixing nozzle outside is equipped with gas -liquid refluence barrel, and gas -liquid refluence barrel is hollow cylinder, and gas -liquid refluence barrel one end links to each other with the refluence pterygoid lamina, the urceolus is inside to be equipped with wedge spiral cutting ware, and wedge spiral cutting ware includes trapezoidal cutting rod, and trapezoidal cutting rod spiral distribution is on the urceolus lateral wall. The mixed