Steel plant converter flue gas automatic treatment device

The utility model discloses an automatic converter flue gas treatment device for a steel plant, and relates to the technical field of metallurgical equipment. The device comprises a coarse ash bin, a converter and a middle bin, the coarse ash bin, the converter and the middle bin are fixedly installed on the ground, the coarse ash bin is located on the right side of the converter, the middle bin is located on the right side of the coarse ash bin, and an evaporative cooler used for adsorbing and settling smoke produced by the coarse ash bin is fixedly installed on the right side wall of the converter. Through the arrangement of the evaporative cooler, the coarse ash bin, the intermediate bin, the chain conveyor and the coarse ash lifting device, smoke dust produced by the converter is condensed into coarse ash, the coarse ash is transferred into the converter to be returned, and the coarse ash is refined, so that on one hand, the input of manpower and material resources for transferring and recycling the coars