Steel refining furnace feeding device

The utility model relates to the technical field of steel ingot production equipment, and in particular relates to a steel refining furnace feeding device. The feeding device comprises a base, wherein a bracket is fixed on the base; a raw material cabin is arranged at the top end of the bracket; a rotary bin is arranged below the raw material cabin; a material inlet of the rotary bin is communicated with a material outlet of the raw material cabin; a rotating motor is arranged on the rotary bin; a middle bin is arranged below the rotary bin; a material inlet on the upper part of the middle bin is communicated with a material outlet of the rotary bin; the lower part of the middle bin is of a funnel-shaped structure; a feeding pipe is communicated on a material outlet on the lower part of the middle bin, and the feeding pipe forms an included angle of 0-10 degrees with the horizontal plane; a motor is arranged on the feeding pipe; driven by the motor, the feeding pipe rotates in a manner of being perpendicular to the centerline of the horizontal plane; a spiral auger is arranged in the feeding pipe; one end of the spiral auger is located on the outlet of the feeding pipe; and the other end of the spiral auger is located outside the feeding pipe and is connected to a driving motor. The feeding device disclosed by the utility model has the advantages of avoiding blockage of raw materials, and timely and accurate feeding.