| (19) |
 |
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(11) |
EP 1 266 971 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
15.01.2003 Bulletin 2003/03 |
| (43) |
Date of publication A2: |
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18.12.2002 Bulletin 2002/51 |
| (22) |
Date of filing: 10.06.2002 |
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| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
11.06.2001 JP 2001176249
|
| (71) |
Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO |
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Kobe-shi, Hyogo 651-8585 (JP) |
|
| (72) |
Inventors: |
|
- Fuji, Kojiro, Kobe Steel, Ltd., Osaka Branch
Osaka-shi, Osaka 541-0051 (JP)
- Nishimura, Makoto, Kobe Corporate Research Labs.
Nishi-ku, Kobe-shi, Hyogo 651-2271 (JP)
- Tanaka, Hidetoshi, Kobe Steel, Ltd., Osaka Branch
Osaka-shi, Osaka 541-0051 (JP)
|
| (74) |
Representative: Müller-Boré & Partner Patentanwälte |
|
Grafinger Strasse 2
81671 München
81671 München (DE) |
|
| |
|
| (54) |
Operation method of moving hearth furnace |
(57) An operation method of a moving hearth furnace, in which a reduced metal is obtained
by reducing by heating a metal oxide loaded into the moving hearth furnace, includes
the steps of supplying and burning a fuel including combustible wastes as a heat source
for the operation. According to the operation method of a moving hearth furnace, the
resources can be used effectively and costs can be reduced by using industrial wastes
as a fuel.