Semi-buried small-flow-rate water body circulation treatment facility

The utility model relates to the technical field of water environment treatment, and discloses a semi-buried small-flow-rate water body circulation treatment facility. The device comprises an ecological filter bed and an assembly, the upper surface of the ecological filter bed is covered with a soil layer, a limestone layer and a glass pumice layer are arranged in the ecological filter bed, a pump pit cover plate lifting ring is arranged on one side of the interior of the limestone layer, a pump is installed in the ecological filter bed, and a water inlet is formed in the surface of one side of the ecological filter bed; one end of the water inlet is provided with a blocking net, the other side of the ecological filter bed is provided with a contact oxidation pond, the other side of the contact oxidation pond is provided with a water outlet pond, and the other side of the water outlet pond is provided with a water outlet. A good water quality treatment effect is guaranteed, the pollutant removal effect is imp