Fecha de publicación: 19/03/2021 Fuente: WIPO "circular economy" The utility model relates to the technical field of metallurgy, in particular to a continuous feeding device for waste steel treatment, which can replace manual work to feed and lift the inside of a smelting furnace, realize continuous feeding, avoid influencing the steelmaking efficiency and improve the practicability. The device comprises a first support, a second support, a conveying belt, a motor and a speed reducer, a first rotating roller, a second rotating roller and a third rotating roller are arranged between the first support and the second support, and the two ends of the first rotating roller, the two ends of the second rotating roller and the two ends of the third rotating roller are rotatably connected with the inner sides of the first support and the second support correspondingly; the first rotating roller, the second rotating roller and the third rotating roller are connected through a transmission device, the conveying belt is wound on the first rotating roller, the second rotating roller and the third rotating roller, pressing rollers are arranged on the inner side of the first support and the inner side of the second support respectively, and the two sets of pressing rollers are rotatably connected with the inner side of the first support and the inner side of the second support respectively and make sliding contact with the bottom side of the conveying belt. Supporting devices are arranged at the bottom ends of the first support and the second support.