Sludge sedimentation tank for aquaculture wastewater treatment

The utility model discloses a sludge settling pond for aquaculture wastewater treatment, which relates to the technical field of settling ponds and comprises a pond body, a plurality of supporting legs for supporting the pond body are arranged at the lower end of the pond body, and an aquaculture wastewater inlet for introducing aquaculture wastewater into the pond body is arranged on one side of the pond body. A plurality of filtering strip holes are formed in the position, located in the breeding wastewater adding opening, of the pond body; through the arrangement of the first spiral feeding rod and the sludge discharging groove, sludge settled at the bottom of the tank body can be discharged, meanwhile, the two sides of the bottom of the tank body are slopes, the sludge can conveniently slide into the sludge discharging groove, then the sludge can be conveniently discharged, meanwhile, the sludge is discharged in a conveying mode of the first spiral feeding rod, and the sludge discharging efficiency is imp