WASTEWATER TREATMENT DEVICE Russian patent published in 2022 - IPC C02F3/02 C02F3/14 

FIELD: wastewater treatment.

SUBSTANCE: invention relates to the field of wastewater treatment. The wastewater treatment device comprises a housing 13 with an inspection neck 3, inside which there is a supply pipe 1, which is connected to the aerotank, which is connected to the housing 13 and consists of upper and lower tanks 7 and 12, which are inserted into each other with the formation of a slot 9 between their edges, as well as an overflow tray 4, which is connected to a discharge pipe 5. The upper container 7 is connected to the supply pipe 1. An aerator 10 is located inside the lower container 12, and the space between the wall of the upper container 7 and the wall of the housing 13 is a settling zone 6. The supply pipe 1 is configured to supply wastewater inside the aerotank, which is configured to accumulate wastewater and purify wastewater from suspended solids, organic contaminants and ammonium nitrogen using activated sludge accumulating during the operation of the device and air coming from the aerator 10 Slot 9 is made with the possibility of passing wastewater from the aerotank to the settling zone 6, which is configured to clean wastewater from activated sludge deposited on the walls of the upper tank 7 and then enters through the slot 9 back into the aeration tank.

EFFECT: creation of a wastewater treatment device with improved treatment efficiency, as well as easier to manufacture and maintain.

6 cl, 2 dwg