Coal mill matched with thermal power generating unit

The utility model discloses a coal mill matched with a thermal power generating unit, which relates to the technical field of coal mills and comprises a grinding cylinder, a grinding mechanism is arranged inside the grinding cylinder and comprises a triangular support and a feeding port, a circulating mechanism is arranged outside the grinding cylinder, and the circulating mechanism is connected with the triangular support. And the circulating mechanism comprises an annular box, a second guide pipeline and a reciprocating threaded rod, the inner wall of the annular box is rotationally connected with a rotating frame, and the outer surface of the reciprocating threaded rod is in threaded connection with a threaded pipe. Through the arrangement of the circulating mechanism, large coal briquettes thrown out by rotation of the grinding disc slide into the annular box through the first guide pipeline and are rotationally conveyed into the second guide pipeline through the rotating frame, and then the coal briquett