Melting furnace with simultaneously rotatable and movable electrode rod

1. A melting furnace ( 1 ), in particular for producing metal alloys and non-ferrous alloys, comprising:

an electrode rod ( 40 ) with a consumable electrode ( 41 ) attached thereto, the consumable electrode comprising alloying constituents to be remelted;

a melting crucible ( 10 ); and

a power supply ( 50 ) that is configured to supply the consumable electrode ( 41 ) with power via the electrode rod ( 40 ),

wherein the electrode rod ( 40 ) is rotatable about a longitudinal axis and can be moved along the longitudinal axis during a melting process and

wherein a remelted ingot comprising the alloying constituents is formed in the melting crucible during the melting process, and

wherein the melting furnace ( 1 ) is configured to simultaneously rotate the electrode rod ( 40 ) about the longitudinal axis and oscillate the electrode rod ( 40 ) along the longitudinal axis during the melting process.

2. The melting furnace ( 1 ) according to claim 1 ,

wherein the electrode rod ( 40 ) is attached via an electrode receptacle ( 31 ) to an electrode carriage ( 30 ), and

wherein the electrode carriage ( 30 ) is held on and movably guided by a furnace column ( 62 ).

3. The melting furnace ( 1 ) according to claim 2 ,

wherein the electrode carriage ( 30 ) is movable by means of a spindle drive ( 33 ),

wherein the spindle drive ( 33 ) is fixed to the electrode carriage ( 30 ) and has one or more motor-driven spindle nuts that interact with a spindle ( 61 ) that runs substantially parallel to the furnace column ( 62 ).

4. The melting furnace ( 1 ) according to claim 2 , further comprising a motorized rotary drive ( 32 ) for rotating the electrode rod ( 40 ) about the longitudinal axis, the rotary drive ( 32 ) being mounted on the electrode receptacle ( 31 ).

5. The melting furnace ( 1 ) according to claim 1 ,

wherein the electrode rod ( 40 ) is electrically connected to the power supply ( 50 ) via a current collector ( 42 ), and

wherein the current collector ( 42 ) has one or more contacting devices ( 43 ), which are configured to transfer the current provided by the power supply ( 50 ) to the electrode rod ( 40 ).

6. The melting furnace ( 1 ) according to claim 5 , wherein the one or more contacting devices include

a receptacle ( 43 a ) that is electrically connected to the electrode rod ( 40 ) and contains a conductive liquid ( 43 b ) in which a current output that is electrically connected to the power supply ( 50 ) is immersed; and/or

one or more brushes ( 43 d ) which are in frictional contact with the electrode rod ( 40 ); and/or

a shell element ( 43 f ) which is in frictional contact with the electrode rod ( 40 ).

7. The melting furnace ( 1 ) according to claim 5 , wherein the conductive liquid ( 43 b ) is liquid gallium.

8. The melting furnace ( 1 ) according to claim 5 ,

wherein the one or more contacting devices include one or more brushes ( 43 d ) which are in frictional contact with the electrode rod ( 40 ) and

wherein the one or more brushes ( 43 d ) are made of a graphite-containing and/or copper-containing material.

9. The melting furnace ( 1 ) according to claim 5 ,

wherein the one or more contacting devices include a shell element ( 43 f ) which is in frictional contact with the electrode rod ( 40 ) and

wherein the shell element ( 43 f ) is made of a graphite-containing and/or copper-containing material.

10. The melting furnace ( 1 ) according to claim 1 , further comprising

a movable furnace hood ( 20 ), which is configured to close the melting crucible ( 10 ),

wherein the electrode rod ( 40 ) and/or the consumable electrode ( 41 ) is immersed in the melting crucible ( 10 ) through a bushing ( 21 ) in the furnace hood ( 20 ).

11. The melting furnace ( 1 ) according to claim 10 , wherein the bushing ( 21 ) is vacuum-tight and gas-tight.

12. A melting furnace ( 1 ), for producing metal alloys and non-ferrous alloys by melting alloying constituents, comprising:

a furnace column ( 62 );

a melting crucible ( 10 );

a furnace hood ( 20 ) which is configured to close the melting crucible ( 10 ), the furnace hood ( 20 ) being held on movably guided by the furnace column ( 62 );

an electrode carriage ( 30 ) held on and movably guided by the furnace column ( 62 );

an electrode receptacle ( 31 ) attached to the electrode carriage ( 30 );

an electrode rod ( 40 ) with a consumable electrode ( 41 ) attached to the electrode receptacle ( 31 ); and

a power supply ( 50 ) that is configured to supply the consumable electrode ( 41 ) with power via the electrode rod ( 40 ),

wherein the electrode rod ( 40 ) is rotatable about a longitudinal axis and can be moved along the longitudinal axis during a melting process, and

wherein the consumable electrode ( 41 ) is immersed in the melting crucible ( 10 ) through a bushing ( 21 ) in the furnace hood ( 20 ), and

wherein the furnace hood ( 20 ) is attached to the electrode carriage ( 30 ) by a hydraulic cylinder ( 23 ), the hydraulic cylinder ( 23 ) being configured to adjust a relative distance between the furnace hood ( 20 ) and the electrode carriage ( 30 ).

13. The melting furnace ( 1 ) according to claim 12 ,

wherein the melting crucible ( 10 ) is attached via a furnace platform ( 11 ) to a platform carriage ( 12 ), the platform carriage ( 12 ) being held on and movably guided by the furnace column ( 62 ).

14. The melting furnace ( 1 ) according to claim 13 ,

wherein the platform carriage ( 12 ) is movable by a platform spindle drive ( 14 ),

wherein the platform spindle drive ( 14 ) is fixed to the platform carriage ( 12 ) and has one or more motor-driven spindle nuts that interact with a platform spindle ( 15 ) that runs substantially parallel to the furnace column ( 62 ).

15. The melting furnace ( 1 ) according to claim 13 , further comprising at least one weighing cell which is installed on the platform carriage ( 12 ).

16. The melting furnace ( 1 ) according to claim 12 , further comprising one or more weighing cells for weighing a weight of the consumable electrode ( 41 ) and/or the melting crucible ( 10 ).

17. The melting furnace ( 1 ) according to claim 16 , wherein at least one of the one or more weighing cells is installed below a base plate of the melting crucible ( 10 ).

18. The melting furnace ( 1 ) according to claim 16 , wherein at least one of the one or more weighing cells is installed on the electrode carriage ( 30 ).