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1. WO2020065691 - SOLID AGGLOMERATED PRODUCT BASED ON IRON OXIDES AND CORRESPONDING PRODUCTION METHOD

Publication Number WO/2020/065691
Publication Date 02.04.2020
International Application No. PCT/IT2019/050209
International Filing Date 25.09.2019
IPC
C22B 1/243 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
1Preliminary treatment of ores or scrap
14Agglomerating; Briquetting; Binding; Granulating
24Binding; Briquetting
242with binders
243inorganic
C22B 1/245 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
1Preliminary treatment of ores or scrap
14Agglomerating; Briquetting; Binding; Granulating
24Binding; Briquetting
242with binders
244organic
245with carbonaceous material for the production of coked agglomerates
CPC
C22B 1/243
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
1Preliminary treatment of ores or scrap
14Agglomerating; Briquetting; Binding; Granulating
24Binding; Briquetting ; ; Granulating
242with binders
243inorganic
C22B 1/245
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
1Preliminary treatment of ores or scrap
14Agglomerating; Briquetting; Binding; Granulating
24Binding; Briquetting ; ; Granulating
242with binders
244organic
245with carbonaceous material for the production of coked agglomerates
Applicants
  • DANIELI & C. OFFICINE MECCANICHE S.P.A. [IT]/[IT]
Inventors
  • TIBURZIO, Selena
  • ARSENE, Liliana Florina
  • TOMMASI, Luca
  • PRIMAVERA, Alessandra
Agents
  • PETRAZ, Davide Luigi
  • PETRAZ, Gilberto Luigi
  • POCECCO, Bruna
  • GAROFOLO, Franca
  • DAL FORNO, GianCarlo
  • LIGI, Stefano
  • FABRO, Lorenzo
  • AVIO, Fabio
Priority Data
10201800000899527.09.2018IT
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) SOLID AGGLOMERATED PRODUCT BASED ON IRON OXIDES AND CORRESPONDING PRODUCTION METHOD
(FR) PRODUIT AGGLOMÉRÉ SOLIDE À BASE D'OXYDES DE FER ET PROCÉDÉ DE PRODUCTION CORRESPONDANT
Abstract
(EN)
Solid agglomerated product, usable as a charge material for an electric arc furnace, comprises at least one fraction of by-product (M; Ml, M2, M3) deriving from a steel plant and which comprises a first part containing ferrous oxide FeO and a second part containing ferric oxide Fe2O3, a fraction of solid fuel (CR) containing a quantity of carbon (C_fix) and at least one inorganic binder to agglomerate a fraction of by-product (M; Ml, M2, M3) and the fraction of solid fuel (CR) with each other and give the agglomerated product the required mechanical properties. The inorganic binder at least partly comprises slag.
(FR)
L'invention concerne un produit aggloméré solide, utilisable en tant que matériau de charge pour un four à arc électrique, comprenant au moins une fraction d'un sous-produit (M; M1, M2, M3) provenant d'une usine sidérurgique et qui comprend une première partie contenant de l'oxyde ferreux FeO et une seconde partie contenant de l'oxyde ferrique Fe2O3, une fraction d'un combustible solide (CR) contenant une certaine quantité de carbone (C_fix), et au moins un liant inorganique destiné à agglomérer une fraction du sous-produit (M; M1, M2, M3) et la fraction du combustible solide (CR) l'une avec l'autre et conférer au produit aggloméré les propriétés mécaniques requises. Le liant inorganique comprend au moins partiellement des scories.
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