Pipeline solid impurity pollution discharge structure

The utility model discloses a pipeline solid impurity pollution discharge structure which comprises a solid-liquid separation box, a water inlet and a water outlet are formed in the solid-liquid separation box, the water outlet is used for being communicated with the water inlet end of a pollution discharge pipeline, and a filter plate is fixedly arranged in the solid-liquid separation box and located between the water inlet and the water outlet. A plurality of water through holes are formed in the filter plate; a waste box is fixedly arranged on the side wall of the solid-liquid separation box, a first connecting opening is formed in the solid-liquid separation box and located on the side, close to the water inlet, of the filter plate, the first connecting opening communicates with a material guiding pipeline, and the material guiding pipeline communicates with the waste box; and a material pushing assembly is arranged in the solid-liquid separation box, and the material pushing assembly is used for pushing