Ventilation pipeline structure with good environmental protection effect

The utility model relates to the technical field of range hood pipelines, and discloses a ventilation pipeline structure with a good environmental protection effect, which comprises a range hood main body, a smoke exhaust pipe is fixedly connected to the top of the range hood main body, an oil smoke purification box is fixedly connected to one side of the smoke exhaust pipe, and a transverse ventilation pipe is fixedly connected to one side of the oil smoke purification box. The top of the transverse ventilation pipe is fixedly connected with a longitudinal ventilation pipe, the top of the longitudinal ventilation pipe is fixedly connected with a liquid storage tank, the top of the liquid storage tank is fixedly connected with a pump body, one side of the pump body is fixedly connected with a guide-in pipe, and the tail end of the guide-in pipe extends into the longitudinal ventilation pipe; a flow collecting frame is fixedly connected into the longitudinal ventilation pipe, the bottom of the guide-in pipe is