LF furnace wire feeding guide pipe capable of being rapidly replaced

The utility model provides an LF furnace wire feeding guide pipe capable of being rapidly replaced. The LF furnace wire feeding guide pipe is characterized by comprising a conical horn mouth, a stainless steel high-temperature-resistant steel pipe, a positioning pin, a hoisting hole and a mounting base on a furnace cover. The conical horn mouth is mounted on the positioning pin; the hoisting holesare fixedly formed in the two sides of the conical horn mouth in the positioning pin; the positioning pin is connected to a mounting base on the furnace cover; the stainless steel high-temperature-resistant steel pipe is positioned at the lower part of the conical horn mouth and integrally welded with the conical horn mouth; and a stainless steel high-temperature-resistant steel pipe integrally welded with the conical horn mouth is connected with the positioning pin and a mounting base on the furnace cover. The wire feeding guide pipe has the advantages of being simple in structure, high in alloy absorptivity, good i