Pulverized coal filter on coal feeding pipeline of combustor

The utility model provides a pulverized coal filter on a coal conveying pipeline of a burner, which comprises a filter shell, a coal inlet and a coal outlet are respectively arranged at two ends of the filter shell, the filter shell comprises a cylindrical shell and two conical shells respectively connected with two ends of the cylindrical shell, and the two conical shells are respectively connected with the cylindrical shell. The cylindrical shell is detachably connected with the conical shell; a material cleaning hole is formed in the conical surface of the conical shell provided with the coal inlet; a rotatable annular filter is arranged in the cylindrical shell; the annular filter comprises a supporting ring and a plurality of parallel filtering plates which are arranged in the supporting ring at intervals; the outer diameter of the supporting ring corresponds to the diameter of the inner wall of the cylindrical shell. According to the utility model, the angle between the filter plate and the cylindrical