Title:
METHOD AND DEVICE FOR INDUCTION-HEATING AND MELTING METAL OXIDES-CONTAINING POWDER AND GRANULAR MATERIAL
Document Type and Number:
WIPO Patent Application WO/2000/068440
Kind Code:
A1
Abstract:
A device (1) for induction-heating and melting metal oxides-containing powder and granular material, which can suitably remove metals in burned ash and flying ash to render them harmless, recover metals with high purities and recovery rates and is high in equipment productivity and low in running costs, the device comprising an enclosed hopper (2), a heat-resistant pipeline (3) for supplying powder and granular material to an induction-heating pipe (5) therefrom, the dielectric induction-heating pipe (5) vertically slidably in contact with the lower end of the heat-resistant pipeline and its vertically driving mechanism (5A), a receiver (6) for receiving molten liquid of the powder and granular material melted in the induction-heating pipe (or a filler (60) for receiving the liquid of powder and granular material melted in the same pipe), a cylindrical upper vacuum chamber (8) for enclosing them, induction-heating coils (10) for surrounding the lower portion of the cylindrical upper vacuum chamber, an electric dust collector (4) located at the upper portion in the vacuum chamber, an inclined pan (11) for relaying molten liquid overflowing the receiver (6) to flow down (flowing down from the filler (6)) and its inclining mechanism (11), a molten liquid storing tank (12) for receiving and storing molten liquid flowing down from the inclined pan, and a lower vacuum chamber (16) for enclosing the inclined pan and the molten liquid storing tank and communicating with the lower end of the upper vacuum chamber.
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Inventors:
KANSA KEN (JP)
MUKOUYAMA YOSHIHIDE (JP)
MUKOUYAMA YOSHIHIDE (JP)
Application Number:
PCT/JP2000/002866
Publication Date:
November 16, 2000
Filing Date:
May 01, 2000
Export Citation:
Assignee:
KANSA KEN (JP)
MUKOUYAMA YOSHIHIDE (JP)
MUKOUYAMA YOSHIHIDE (JP)
International Classes:
B09B3/00; C21B13/12; C22B5/02; C22B7/00; C22B7/02; C22B9/00; C22B9/02; C22B9/22; F27B14/14; H05B6/10; (IPC1-7): C21B15/00
Foreign References:
| JPH04232216A | 1992-08-20 |
Other References:
See also references of EP 1099767A4
Attorney, Agent or Firm:
Isono, Michizo (Hirakawa-cho 2-chome Chiyoda-ku, Tokyo, JP)
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