A conductive metal melting furnace that melts a raw material of conductive metal to form molten metal, the conductive metal melting furnace comprising: a body; a flow channel formed in the body, the flow channel having an inlet through which the conductive molten metal flows into the flow channel from the outside and an outlet through which the molten metal is discharged to the outside; and a magnetic field device formed of a permanent magnet that is provided in the body and rotatable about a vertical axis, wherein the flow channel includes a driving flow channel that is provided on an upstream side, an outflow channel that is provided on a downstream side, and a vortex chamber that is formed between the driving flow channel and the outflow channel, and the driving flow channel is provided to extend along a circumference of the magnetic field device formed of a permanent magnet, the conductive metal melting furnace is configured such that lines of magnetic force of the magnetic field device formed of a permanent magnet are moved with the rotation of the magnetic field device formed of a permanent magnet while passing through the molten metal present in the driving flow channel and the molten metal is allowed to flow into the vortex chamber by an electromagnetic force generated with the movement of the lines of magnetic force the conductive metal melting furnace being characterized in that the outflow channel is provided to extend along a circumference of the magnetic field device formed of a permanent magnet, wherein the conductive metal melting furnace is configured such that lines of magnetic force of the magnetic field device formed of a permanent magnet are moved with the rotation of the magnetic field device formed of a permanent magnet while passing through the molten metal present in the outflow channel, and the molten metal is driven by an electromagnetic force generated with the movement of the lines of magnetic force so as to be sucked toward the outlet from the vortex chamber to generate the vortex of the molten metal in the vortex chamber. a body; a flow channel formed in the body, the flow channel having an inlet through which the conductive molten metal flows into the flow channel from the outside and an outlet through which the molten metal is discharged to the outside; and a magnetic field device formed of a permanent magnet that is provided in the body and rotatable about a vertical axis, wherein the flow channel includes a driving flow channel that is provided on an upstream side, an outflow channel that is provided on a downstream side, and a vortex chamber that is formed between the driving flow channel and the outflow channel, and the driving flow channel is provided to extend along a circumference of the magnetic field device formed of a permanent magnet, the conductive metal melting furnace is configured such that lines of magnetic force of the magnetic field device formed of a permanent magnet are moved with the rotation of the magnetic field device formed of a permanent magnet while passing through the molten metal present in the driving flow channel and the molten metal is allowed to flow into the vortex chamber by an electromagnetic force generated with the movement of the lines of magnetic force the conductive metal melting furnace being characterized in that the outflow channel is provided to extend along a circumference of the magnetic field device formed of a permanent magnet, wherein the conductive metal melting furnace is configured such that lines of magnetic force of the magnetic field device formed of a permanent magnet are moved with the rotation of the magnetic field device formed of a permanent magnet while passing through the molten metal present in the outflow channel, and the molten metal is driven by an electromagnetic force generated with the movement of the lines of magnetic force so as to be sucked toward the outlet from the vortex chamber to generate the vortex of the molten metal in the vortex chamber.