NO347489B1 - Fremgangsmåte for å forbedre reduksjonsgraden i smelting av ferrolegeringer - Google Patents

Fremgangsmåte for å forbedre reduksjonsgraden i smelting av ferrolegeringer Download PDF

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Publication number
NO347489B1
NO347489B1 NO20140016A NO20140016A NO347489B1 NO 347489 B1 NO347489 B1 NO 347489B1 NO 20140016 A NO20140016 A NO 20140016A NO 20140016 A NO20140016 A NO 20140016A NO 347489 B1 NO347489 B1 NO 347489B1
Authority
NO
Norway
Prior art keywords
nickel
fed
raw material
melting furnace
containing raw
Prior art date
Application number
NO20140016A
Other languages
English (en)
Norwegian (no)
Other versions
NO20140016A1 (no
Inventor
Helge Krogerus
Tuomo Mäkelä
Pekka Niemelä
Original Assignee
Outokumpu Oy
Metso 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 Outokumpu Oy, Metso Outotec Finland Oy filed Critical Outokumpu Oy
Publication of NO20140016A1 publication Critical patent/NO20140016A1/no
Publication of NO347489B1 publication Critical patent/NO347489B1/no

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005Manufacture of stainless steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5264Manufacture of alloyed steels including ferro-alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006Adding metallic additives
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16Sintering; Agglomerating
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/242Binding; Briquetting ; Granulating with binders
    • C22B1/243Binding; Briquetting ; Granulating with binders inorganic
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C27/00Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06Alloys based on chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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)
NO20140016A 2011-06-13 2012-06-08 Fremgangsmåte for å forbedre reduksjonsgraden i smelting av ferrolegeringer NO347489B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20110200A FI123241B (fi) 2011-06-13 2011-06-13 Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa
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
NO20140016A1 NO20140016A1 (no) 2014-01-08
NO347489B1 true NO347489B1 (no) 2023-11-20

Family

ID=44206736

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20140016A NO347489B1 (no) 2011-06-13 2012-06-08 Fremgangsmåte for å forbedre reduksjonsgraden i smelting av ferrolegeringer

Country Status (20)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130143098A (ko) 2010-12-03 2013-12-30 인터디지탈 패튼 홀딩스, 인크 멀티 무선 액세스 기술 캐리어 결합을 수행하는 방법, 장치 및 시스템
EP3813474A1 (en) 2011-07-29 2021-04-28 Interdigital Patent Holdings, Inc. Method and apparatus for radio resources management in multi-radio access technology wireless systems
FI126718B (fi) * 2013-12-17 2017-04-28 Outotec Finland Oy Menetelmä ferronikkeliprosessista tulevien pölyjen hyödyntämiseksi ja menetelmällä valmistetut sintratut pelletit
CN105506271B (zh) * 2014-09-24 2018-05-08 宝钢不锈钢有限公司 一种氩氧精炼炉还原用铬矿复合球团及其生产方法和应用
EA036538B1 (ru) * 2016-07-11 2020-11-20 Оутотек (Финлэнд) Ой Способ изготовления содержащих хром и железо агломератов с различными добавками материалов, содержащих марганец, никель и молибден
WO2018011467A1 (en) * 2016-07-11 2018-01-18 Outotec (Finland) Oy Process for manufacturing ferrochromium alloy with desired content of manganese, nickel and molybdenum
FI128814B (fi) * 2016-12-30 2020-12-31 Outotec Finland Oy Menetelmä nikkeliä sisältävien kovetettujen kromiittipellettien tuottamiseksi, menetelmä ferrokrominikkeliseoksen tuottamiseksi ja kovetettu kromiittipelletti

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0846778A1 (en) * 1996-12-04 1998-06-10 Armco Inc. Melting of nickel laterite and sulfur-bearing Ni concentrate in making Ni-alloyed iron and stainless steel
WO2010092234A1 (en) * 2009-02-11 2010-08-19 Outokumpu Oyj Method for producing ferroalloy containing nickel

Family Cites Families (8)

* 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 (zh) * 1972-05-29 1978-09-29
ZW9893A1 (en) * 1992-08-11 1993-09-15 Mintek The production of stainless steel
RU2190034C2 (ru) * 2000-06-26 2002-09-27 Региональное Уральское отделение Академии инженерных наук Российской Федерации Способ выплавки сплавов из оксидосодержащих материалов
CN1306049C (zh) * 2005-09-16 2007-03-21 刘沈杰 不含结晶水的氧化镍矿经高炉冶炼镍铁工艺
CN1847440A (zh) * 2006-04-25 2006-10-18 吴江市东大铸造有限公司 镍铬铁合金及生产方法
RU2406767C1 (ru) * 2009-04-08 2010-12-20 Александр Валерьевич Кольба Способ металлотермической плавки металлов и сплавов

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0846778A1 (en) * 1996-12-04 1998-06-10 Armco Inc. Melting of nickel laterite and sulfur-bearing Ni concentrate in making Ni-alloyed iron and stainless steel
WO2010092234A1 (en) * 2009-02-11 2010-08-19 Outokumpu Oyj Method for producing ferroalloy containing nickel

Also Published As

Publication number Publication date
SE538994C2 (sv) 2017-03-14
DE112012002439T5 (de) 2014-04-03
NO20140016A1 (no) 2014-01-08
AP3866A (en) 2016-10-31
FI123241B (fi) 2013-01-15
AT513441A3 (de) 2020-03-15
AU2012270290A1 (en) 2014-01-09
AT513441B1 (de) 2020-03-15
US20140116202A1 (en) 2014-05-01
AU2012270290B2 (en) 2017-02-02
KR20160087397A (ko) 2016-07-21
UA115863C2 (uk) 2018-01-10
RU2013154744A (ru) 2015-07-20
CA2843210A1 (en) 2012-12-20
CN103732774A (zh) 2014-04-16
AT513441A2 (de) 2014-04-15
BR112013031991A8 (pt) 2018-04-03
BR112013031991A2 (pt) 2016-12-20
ZA201309401B (en) 2015-04-29
JP6148230B2 (ja) 2017-06-14
MX2013014524A (es) 2014-02-19
EP2718476A4 (en) 2014-11-05
SE1351487A1 (sv) 2014-03-04
WO2012172168A1 (en) 2012-12-20
RU2600788C2 (ru) 2016-10-27
TWI612147B (zh) 2018-01-21
EP2718476A1 (en) 2014-04-16
FI20110200L (fi) 2012-12-14
AP2013007314A0 (en) 2013-12-31
KR20140012754A (ko) 2014-02-03
FI20110200A0 (fi) 2011-06-13
TW201303037A (zh) 2013-01-16
JP2014523966A (ja) 2014-09-18

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CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: OUTOKUMPU OYJ, FI