Sealing device of furnace cover feeding opening

The utility model discloses a sealing device of a furnace cover feeding port, which relates to the technical field of steel plant electric furnace covers and comprises a furnace cover body, the upper surface of the furnace cover body is fixedly communicated with a feeding port body, a sealing cover is arranged above the feeding port body, and the bottom surface of the sealing cover is fixedly connected with a sealing plug. The sealing plug is in sliding connection with the feeding port body, and two symmetrical sliding blocks are fixedly connected to the bottom face of the sealing cover. According to the electric arc furnace cover, the purposes of closing and feeding of the electric arc furnace can be achieved through mutual matching of the furnace cover body and the feeding opening body, and the electric arc furnace can be more convenient to use; through mutual cooperation of the sealing cover, the sealing plug, the sliding block, the preformed groove, the fixing cylinder, the sliding rod, the wedge-shaped c