Global Patent Index - EP 1266971 A3

EP 1266971 A3 20030115 - Operation method of moving hearth furnace

Title (en)

Operation method of moving hearth furnace

Title (de)

Betriebsverfahren für Drehherdofen

Title (fr)

Procédé d'opération pour four à sole tournante

Publication

EP 1266971 A3 20030115 (EN)

Application

EP 02012441 A 20020610

Priority

JP 2001176249 A 20010611

Abstract (en)

[origin: EP1266971A2] 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.

IPC 1-7

C21B 13/10; C21B 13/00

IPC 8 full level

C21B 13/00 (2006.01); C21B 13/10 (2006.01); F27B 9/16 (2006.01); F27B 9/36 (2006.01); F27D 7/02 (2006.01)

CPC (source: EP)

C21B 13/0066 (2013.01); C21B 13/10 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1266971 A2 20021218; EP 1266971 A3 20030115; AU 4588002 A 20021212; CA 2390151 A1 20021211; JP 2002363626 A 20021218; US 2002194961 A1 20021226

DOCDB simple family (application)

EP 02012441 A 20020610; AU 4588002 A 20020607; CA 2390151 A 20020611; JP 2001176249 A 20010611; US 16614402 A 20020611