Rectification structure for improving flow of water outlet box culvert of rainwater pump station

The invention relates to the technical field of municipal rainwater pump station engineering, in particular to a rectification structure for improving rainwater pump station water outlet box culvert flow, comprising a water inlet unit, a water storage unit and a drainage unit, the water inlet unit is vertically arranged on the side wall of the water storage unit, and the water inlet unit is used for circulating rainwater to the water storage unit; a drainage unit for draining rainwater in the water storage unit is mounted at the bottom of the water storage unit; the water storage unit comprises a water storage pond, the water storage pond is of a vertical cylindrical structure, and a cleaning unit is further installed in the water storage pond; the water inlet unit comprises a plurality of water inlet box culverts, the water inlet box culverts are vertically arranged on the side wall of the water storage unit, the water inlet box culverts are communicated to the water storage unit in the tangential direction,