AP2013007314A0 - Method for improving the reduction degree in the smelting of ferroalloy - Google Patents

Method for improving the reduction degree in the smelting of ferroalloy

Info

Publication number
AP2013007314A0
AP2013007314A0 AP2013007314A AP2013007314A AP2013007314A0 AP 2013007314 A0 AP2013007314 A0 AP 2013007314A0 AP 2013007314 A AP2013007314 A AP 2013007314A AP 2013007314 A AP2013007314 A AP 2013007314A AP 2013007314 A0 AP2013007314 A0 AP 2013007314A0
Authority
AP
ARIPO
Prior art keywords
ferroalloy
smelting
improving
reduction degree
reduction
Prior art date
Application number
AP2013007314A
Other versions
AP3866A (en
Inventor
Tuomo Mäkelä
Pekka Niemelä
Helge Krogerus
Original Assignee
Outokumpu 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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of AP2013007314A0 publication Critical patent/AP2013007314A0/en
Application granted granted Critical
Publication of AP3866A publication Critical patent/AP3866A/en

Links

Classifications

    • 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
    • C21C5/005—Manufacture of stainless steel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • 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
    • C21C7/0006—Adding metallic additives
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06—Alloys based on chromium
    • 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
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
AP2013007314A 2011-06-13 2012-06-08 Method for improving the reduction degree in the smelting of ferroalloy AP3866A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20110200A FI123241B (en) 2011-06-13 2011-06-13 Process for improving the degree of reduction in melting of a ferro-mixture
PCT/FI2012/050580 WO2012172168A1 (en) 2011-06-13 2012-06-08 Method for improving the reduction degree in the smelting of ferroalloy

Publications (2)

Publication Number Publication Date
AP2013007314A0 true AP2013007314A0 (en) 2013-12-31
AP3866A AP3866A (en) 2016-10-31

Family

ID=44206736

Family Applications (1)

Application Number Title Priority Date Filing Date
AP2013007314A AP3866A (en) 2011-06-13 2012-06-08 Method for improving the reduction degree in the smelting of ferroalloy

Country Status (20)

Country Link
US (1) US20140116202A1 (en)
EP (1) EP2718476A4 (en)
JP (1) JP6148230B2 (en)
KR (2) KR20140012754A (en)
CN (1) CN103732774A (en)
AP (1) AP3866A (en)
AT (1) AT513441B1 (en)
AU (1) AU2012270290B2 (en)
BR (1) BR112013031991A8 (en)
CA (1) CA2843210A1 (en)
DE (1) DE112012002439T5 (en)
FI (1) FI123241B (en)
MX (1) MX2013014524A (en)
NO (1) NO347489B1 (en)
RU (1) RU2600788C2 (en)
SE (1) SE538994C2 (en)
TW (1) TWI612147B (en)
UA (1) UA115863C2 (en)
WO (1) WO2012172168A1 (en)
ZA (1) ZA201309401B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5977251B2 (en) 2010-12-03 2016-08-24 インターデイジタル パテント ホールディングス インコーポレイテッド Method, apparatus and system for performing multi-radio access technology carrier aggregation
KR101902559B1 (en) 2011-07-29 2018-10-01 인터디지탈 패튼 홀딩스, 인크 Method and apparatus for radio resources management in multi-radio access technology wireless systems
FI126718B (en) * 2013-12-17 2017-04-28 Outotec Finland Oy Process for utilizing dust from a ferro-nickel process and sintered pellets prepared by the process
CN105506271B (en) * 2014-09-24 2018-05-08 宝钢不锈钢有限公司 Chrome ore composite pellet and its production method and application are used in a kind of argon oxygen decarburizing furnace reduction
BR112019000146A2 (en) * 2016-07-11 2019-04-24 Outotec Finland Oy process for manufacturing desired manganese, nickel and molybdenum ferrochrome alloy
EP3481969B1 (en) * 2016-07-11 2020-05-13 Outotec (Finland) Oy Process for manufacturing chromium and iron bearing agglomerates with different addition of manganese, nickel and molybdenum bearing materials
FI128814B (en) * 2016-12-30 2020-12-31 Outotec Finland Oy Method for producing nickel containing indurated chromite pellets, method for producing ferrochrome nickel alloy and indurated chromite pellet

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB759085A (en) * 1953-06-05 1956-10-10 Chromium Mining & Smelting Cor Improvements in or relating to ferroalloying materials and process of preparing the same
US3525604A (en) * 1966-10-21 1970-08-25 Edward M Van Dornick Process for refining pelletized metalliferous materials
JPS5335892B2 (en) * 1972-05-29 1978-09-29
ZW9893A1 (en) * 1992-08-11 1993-09-15 Mintek The production of stainless steel
WO1997020954A1 (en) * 1995-12-06 1997-06-12 Wmc Resources Ltd. Simplified duplex processing of nickel ores and/or concentrates for the production of ferronickels, nickel irons and stainless steels
US5749939A (en) * 1996-12-04 1998-05-12 Armco Inc. Melting of NI laterite in making NI alloyed iron or steel
RU2190034C2 (en) * 2000-06-26 2002-09-27 Региональное Уральское отделение Академии инженерных наук Российской Федерации Method of smelting alloys from oxide-containing materials
CN1306049C (en) * 2005-09-16 2007-03-21 刘沈杰 Ferronickel smelting process of nickel oxide ore free of crystal water in blast furnace
CN1847440A (en) * 2006-04-25 2006-10-18 吴江市东大铸造有限公司 Ni-Cr-Fe alloy and its production process
FI127721B (en) 2009-02-11 2019-01-15 Outokumpu Oy Method for producing a ferro-alloy containing nickel
RU2406767C1 (en) * 2009-04-08 2010-12-20 Александр Валерьевич Кольба Procedure for metal-thermal metal and alloy melting

Also Published As

Publication number Publication date
JP2014523966A (en) 2014-09-18
NO20140016A1 (en) 2014-01-08
TWI612147B (en) 2018-01-21
SE538994C2 (en) 2017-03-14
TW201303037A (en) 2013-01-16
CA2843210A1 (en) 2012-12-20
US20140116202A1 (en) 2014-05-01
ZA201309401B (en) 2015-04-29
WO2012172168A1 (en) 2012-12-20
AP3866A (en) 2016-10-31
CN103732774A (en) 2014-04-16
RU2013154744A (en) 2015-07-20
EP2718476A1 (en) 2014-04-16
KR20160087397A (en) 2016-07-21
FI20110200A0 (en) 2011-06-13
EP2718476A4 (en) 2014-11-05
UA115863C2 (en) 2018-01-10
FI123241B (en) 2013-01-15
AU2012270290A1 (en) 2014-01-09
RU2600788C2 (en) 2016-10-27
NO347489B1 (en) 2023-11-20
KR20140012754A (en) 2014-02-03
SE1351487A1 (en) 2014-03-04
DE112012002439T5 (en) 2014-04-03
BR112013031991A8 (en) 2018-04-03
JP6148230B2 (en) 2017-06-14
BR112013031991A2 (en) 2016-12-20
FI20110200L (en) 2012-12-14
AT513441A3 (en) 2020-03-15
AT513441A2 (en) 2014-04-15
MX2013014524A (en) 2014-02-19
AT513441B1 (en) 2020-03-15
AU2012270290B2 (en) 2017-02-02

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