Installation method of horizontal hanging device

The invention provides an installation method of a horizontal hanging device, and relates to the field of converter steelmaking mechanical equipment.The installation method of the horizontal hanging device comprises the steps that 1, the horizontal hanging device is provided, and a welding end face is arranged on the horizontal hanging device to form a welding groove; the welding end face is provided with two opposite side edges, according to the installation position of the horizontal hanging device, the side edge with the large welding operation space in the two side edges is designated as the first side edge, and the other side edge with the small welding operation space is designated as the second side edge; a welding groove formed by the welding end face is gradually narrowed from the first side edge to the second side edge; 2, arranging a horizontal hanging device between the furnace shell and the backing ring, and positioning and marking on the furnace shell and the backing ring; and 3, welding operati