Aeration device for septic tank

The utility model relates to the field of septic tanks, and discloses an aeration device for a septic tank, which comprises a septic tank, an aerator, an adjusting control plate, two movable adjusting seats and two aeration components, the aerator is fixedly mounted at the bottom of the septic tank, the adjusting control plate is slidably mounted in the septic tank, and the movable adjusting seats are movably mounted in the septic tank. Two fixing holes are formed in the top of the adjusting control plate, the movable adjusting seats are slidably installed in the corresponding fixing holes, the aeration assemblies are arranged on the corresponding movable adjusting seats, and each aeration assembly comprises two stirring rods, an aerator, two connecting rods, two control gears and a first rack. And a mounting groove is formed in the top of the movable adjusting seat. The aeration device disclosed by the utility model has the following advantages and effects that when the aeration device disclosed by the utili