Ecological assembly type rainwater purification module for upper cover of urban rail transit field section

The utility model relates to an ecological assembly type rainwater purification module for an upper cover of an urban rail transit field section. A rainwater collection and storage box is arranged atthe bottom in a module main body base, an inclined ecological purification area is arranged above the rainwater collection and storage box, the lowest point area of the ecological purification area isa rainwater filtering layer, a drainage pipe is arranged at the bottom of the rainwater filtering layer and connected into the rainwater collection and storage box, and a drainage pipe is arranged atthe edge of the rainwater collection and storage box and led out of the module main body base. The utility model provides a new thought for rainwater purification of the upper cover of the urban railtransit field section, and the ecological assembly type rainwater purification module is adopted and is flexibly arranged in a temporary construction area of the land of the upper cover type field section. Before upper cover pr