Graphite purification furnace capable of realizing high-precision purification

The invention discloses a graphite purification furnace capable of realizing high-precision purification, and relates to the technical field of graphite purification furnaces. The device comprises a device body, a heating assembly is arranged below the outer wall of the device body, a discharging assembly is arranged at the bottom of the device body, an electric telescopic rotating column is rotatably mounted at the top of the inner wall of the device body, a sealing cover plate is fixedly mounted at the bottom of the telescopic end of the electric telescopic rotating column, and the outer wall of the sealing cover plate is slidably connected with the inner wall of the device body; a plurality of vertical rods are fixedly installed at the bottom edge of the sealing cover plate at equal intervals, filter plates are fixedly installed at the bottoms of the vertical rods, and the outer walls of the filter plates make contact with the inner wall of the device body. Raw materials are stirred by the filter plate thr