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1. WO2022109665 - BIOMASS DIRECT REDUCED IRON

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Publication Number WO/2022/109665
Publication Date 02.06.2022
International Application No. PCT/AU2021/051400
International Filing Date 24.11.2021
Chapter 2 Demand Filed 26.08.2022
IPC
C21B 13/14 2006.1
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
14Multi-stage processes
C22B 5/00 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
5General processes of reducing to metals
CPC
C21B 13/004
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
004in a continuous way by reduction from ores
C21B 13/0053
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
0046making metallised agglomerates or iron oxide
0053On a massing grate
C21B 13/008
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
008Use of special additives or fluxing agents
C21B 13/12
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
12in electric furnaces
C21B 13/14
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
14Multi-stage processes ; processes carried out in different vessels or furnaces
C21B 2100/00
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
2100Handling of exhaust gases produced during the manufacture of iron or steel
Applicants
  • TECHNOLOGICAL RESOURCES PTY. LIMITED [AU]/[AU]
Inventors
  • BUCKLEY, Michael
Agents
  • GRIFFITH HACK
Priority Data
202090433724.11.2020AU
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) BIOMASS DIRECT REDUCED IRON
(FR) FER DE RÉDUCTION DIRECTE À BASE DE BIOMASSE
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Abstract
(EN) A method and an apparatus for "recycling" a significant amount of heat within a linear hearth furnace by means of an endless conveyor that transports briquettes through the furnace from an inlet (briquette feed) end to an outlet (DRI discharge) end and then returns to the inlet end and transfers a significant amount of heat from the outlet end to the inlet end of the furnace.
(FR) L'invention concerne un procédé et un appareil pour le "recyclage" d'une quantité importante de chaleur dans un four à sole linéaire au moyen d'un transporteur sans fin qui transporte des briquettes à travers le four depuis une extrémité d'entrée (alimentation de briquettes) jusquà une extrémité de sortie (décharge de fer de réduction directe), puis revient à l'extrémité d'entrée et transfère une quantité significative de chaleur depuis l'extrémité de sortie jusqu'à l'extrémité d'entrée du four.
Latest bibliographic data on file with the International Bureau
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