Metal product manufacturing device and metal product manufacturing method

Abstract

A metal product manufacturing device is provided to remove, with higher accuracy, impurities from a molten metal of a non-ferrous metal or another metal containing the impurities, obtain the molten metal having higher purity, and obtain a high-purity non-metal product or another metal product from the high-purity molten metal.

1 . A metal product manufacturing device including a container that stores a molten metal having a conductive property, the metal product manufacturing device comprising:
 a cylindrical container body portion;   an upper end plate and a lower end plate configured to close both ends of the container body portion in a sealed state;   an upper electrode fixed to the upper end plate in a state of passing through the upper end plate, and having an inner end electrically connectable to the molten metal; and   a lower electrode fixed to the lower end plate in a state of passing through the lower end plate, and having an inner end electrically connectable to the molten metal, wherein   at least the upper end plate is detachable from the container body portion,   the upper electrode is fixed to a substantially central portion of the upper end plate in the state of passing through the upper end plate in a thickness direction,   the lower electrode is fixed to a substantially central portion of the lower end plate in the state of passing through the lower end plate in a thickness direction, and   the upper electrode and the lower electrode are located on a substantially vertical straight line in an upper-lower direction.   
     
     
         2 . The metal product manufacturing device according to  claim 1 , wherein the upper electrode and the lower electrode are detachable from the upper end plate and the lower end plate, respectively. 
     
     
         3 . The metal product manufacturing device according to  claim 1 , wherein a power supply device capable of applying a direct current or an alternating current is connectable to and disconnectable from the upper electrode and the lower electrode. 
     
     
         4 . The metal product manufacturing device according to  claim 1 , further comprising a magnetic field device, wherein the magnetic field device includes a pair of magnet bodies located outside the container and arranged at positions facing each other interposing the container, and an N pole of one magnet body and an S pole of the another magnet body face each other via the container. 
     
     
         5 . A metal product manufacturing method of manufacturing a metal product from a molten metal having a conductive property, the metal product manufacturing method comprising:
 preparing a container that includes:   a cylindrical container body portion;   an upper end plate and a lower end plate configured to close both ends of the container body portion in a sealed state;   an upper electrode fixed to the upper end plate in a state of passing through the upper end plate, and having an inner end electrically connectable to the molten metal; and   a lower electrode fixed to the lower end plate in a state of passing through the lower end plate, and having an inner end electrically connectable to the molten metal, wherein   at least the upper end plate is detachable from the container body portion,   the upper electrode is fixed to a substantially central portion of the upper end plate in the state of passing through the upper end plate in a thickness direction,   the lower electrode is fixed to a substantially central portion of the lower end plate in the state of passing through the lower end plate in a thickness direction, and   the upper electrode and the lower electrode are located on a straight line in an upper-lower direction;   making the metal having the conductive property and stored inside the container into a state of a molten metal while the container is sealed by the upper end plate and the lower end plate;   electrically connecting the inner ends of the pair of electrodes to the molten metal having the conductive property; and   applying a current between the pair of electrodes in this state.   
     
     
         6 . The metal product manufacturing method according to  claim 5 , comprising applying a direct current or an alternating current between the pair of electrodes. 
     
     
         7 . The metal product manufacturing method according to  claim 6 , comprising applying an alternating current of 1 Hz to 10 Hz as the alternating current. 
     
     
         8 . The metal product manufacturing method according to  claim 5 , further comprising: preparing a magnetic field device, in which the magnetic field device includes a pair of magnet bodies located outside the container and arranged at positions facing each other interposing the container, and an N pole of one magnet body and an S pole of the another magnet body face each other via the container; applying, to a molten metal contained inside the container, a magnetic field directed in one lateral direction by the one magnet body and the another magnet body; and applying a current between the pair of electrodes in this state. 
     
     
         9 . The metal product manufacturing method according to  claim 8 , wherein a device including a permanent magnet is used as the magnetic field device. 
     
     
         10 . The metal product manufacturing method according to  claim 8 , wherein a device including an electromagnet is used as the magnetic field device, and polarities of the pair of magnet bodies are switched within a range of 1 Hz to 10 Hz. 
     
     
         11 . The metal product manufacturing method according to  claim 5 , wherein a current of 60 A to 100 A is applied as the current.