BR112017015569A2 - method and arrangement for preparing chromite concentrate for pelletizing and sintering and pellet loading - Google Patents

method and arrangement for preparing chromite concentrate for pelletizing and sintering and pellet loading

Info

Publication number
BR112017015569A2
BR112017015569A2 BR112017015569A BR112017015569A BR112017015569A2 BR 112017015569 A2 BR112017015569 A2 BR 112017015569A2 BR 112017015569 A BR112017015569 A BR 112017015569A BR 112017015569 A BR112017015569 A BR 112017015569A BR 112017015569 A2 BR112017015569 A2 BR 112017015569A2
Authority
BR
Brazil
Prior art keywords
pelletizing
sintering
preparing
arrangement
chromite
Prior art date
Application number
BR112017015569A
Other languages
Portuguese (pt)
Inventor
Krogerus Helge
Saarenmaa Jarmo
Mäkelä Pasi
Palovaara Petri
Pisilä Sauli
Original Assignee
Outotec Finland Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Outotec Finland Oy filed Critical Outotec Finland Oy
Publication of BR112017015569A2 publication Critical patent/BR112017015569A2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5264—Manufacture of alloyed steels including ferro-alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/076—Use of slags or fluxes as treating agents
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
    • C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

a invenção refere-se a um método e a uma disposição para preparar minério de cromita (5) para peletização e sinterização. a invenção também se refere a uma carga de peletização. o método compreende uma etapa de fornecimento que serve para proporcionar uma carga de concentração de cromita (1), e uma etapa de adição que serve para adicionar pelo menos agente fundente (2) à carga de concentração de cromita (1) para obter uma carga de peletização (12). o agente fundente (2) se encontra pelo menos parcialmente sob a forma de escória (4) que se origina a partir do processamento de metal ferroso.The invention relates to a method and an arrangement for preparing chromite ore (5) for pelletizing and sintering. The invention also relates to a pelletizing charge. The method comprises a delivery step for providing a chromite concentration charge (1), and an addition step for adding at least melt (2) to the chromite concentration charge (1) to obtain a charge. pelletizing machine (12). the fluxing agent (2) is at least partially in the form of slag (4) which originates from ferrous metal processing.

BR112017015569A 2015-02-05 2016-02-05 method and arrangement for preparing chromite concentrate for pelletizing and sintering and pellet loading BR112017015569A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20155075A FI127031B (en) 2015-02-05 2015-02-05 PROCEDURE AND ARRANGEMENTS FOR PREPARING CHROMITE CONCENTRATE FOR PELLETING AND SINTERING AND FEED FOR PELLETING
PCT/FI2016/050077 WO2016124823A1 (en) 2015-02-05 2016-02-05 Method and arrangement to prepare chromite concentrate for pelletizing and sintering and pelletizing feed

Publications (1)

Publication Number Publication Date
BR112017015569A2 true BR112017015569A2 (en) 2018-03-13

Family

ID=55349870

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017015569A BR112017015569A2 (en) 2015-02-05 2016-02-05 method and arrangement for preparing chromite concentrate for pelletizing and sintering and pellet loading

Country Status (7)

Country Link
EP (1) EP3253896A1 (en)
CN (1) CN107949646A (en)
BR (1) BR112017015569A2 (en)
CA (1) CA2974476A1 (en)
EA (1) EA201791433A1 (en)
FI (1) FI127031B (en)
WO (1) WO2016124823A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202108524D0 (en) 2021-06-15 2021-07-28 Eestech Inc Improved smelting system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE350769C (en) 1970-10-19 1977-09-26 Cold Bound Pellets Ab PROCEDURE FOR THE PREPARATION OF COLD-BINDED AGGLOMATER OF PARTICULAR MINERAL CONCENTRATE
US4790872A (en) * 1988-01-19 1988-12-13 Hamilton Specialty Bar Division Of Slater Industries, Inc. Additive for promoting slag formation in steel refining ladle
CN101638730B (en) * 2008-07-31 2015-03-25 塔塔钢铁有限公司 Method for preparing sponge chromium from metallurgical-grade chromite concentrate fine powder
FI9406U1 (en) 2011-06-15 2011-10-11 Outotec Oyj Apparatus for making ore concentrate for pelleting
KR101492783B1 (en) 2011-11-15 2015-02-12 오토텍 오와이제이 Process for the manufacture of ferrochrome
CN103060548B (en) * 2013-02-04 2014-05-07 重庆大学 Method for sintering chromite powder recycled based on ferronickel smelting furnace slag
CZ2013531A3 (en) 2013-07-08 2015-02-04 Ecofer, S.R.O. Agglomeration slagging medium, process for preparing the slagging medium, agglomeration mixture for producing agglomerate and use of secondary metallurgy slags as slagging media for producing the agglomeration mixture um

Also Published As

Publication number Publication date
FI127031B (en) 2017-10-13
WO2016124823A1 (en) 2016-08-11
CN107949646A (en) 2018-04-20
EA201791433A1 (en) 2017-12-29
CA2974476A1 (en) 2016-08-11
FI20155075A (en) 2016-08-06
EP3253896A1 (en) 2017-12-13

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired