Aeration systems blowdown structure

The utility model discloses an aeration systems blowdown structure, including installing the aeration main pipe in the effluent water sump bottom, aeration main pipe is last to be connected with a plurality of aeration main pipe, upwards buckle and fix on the effluent water sump pool wall in aeration main pipe's both ends, aeration main pipe one side upper end is equipped with the air inlet, is equipped with the gas vent on the opposite side, gas vent department is equipped with control flap, aeration main pipe's middle part and aeration main pipe intercommunication, aeration main pipe perpendicular to aeration main pipe, aeration main pipe are the fishbone form and arrange on aeration main pipe. The utility model discloses simple structure, reasonable in design, easy and simple to handle, low cost has improved the aeration effect that reduces because of sludge deposit among the sewage aeration systems, avoids because sludge deposit and a large amount of sewage permeate the into aeration systems's of aeration