CA2843210A1 - Method for improving the reduction degree in the smelting of ferroalloy - Google Patents

Method for improving the reduction degree in the smelting of ferroalloy Download PDF

Info

Publication number
CA2843210A1
CA2843210A1 CA2843210A CA2843210A CA2843210A1 CA 2843210 A1 CA2843210 A1 CA 2843210A1 CA 2843210 A CA2843210 A CA 2843210A CA 2843210 A CA2843210 A CA 2843210A CA 2843210 A1 CA2843210 A1 CA 2843210A1
Authority
CA
Canada
Prior art keywords
nickel
fed
smelting furnace
raw material
partly
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA2843210A
Other languages
English (en)
French (fr)
Inventor
Tuomo Makela
Pekka Niemela
Helge Krogerus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Outokumpu Oyj
Metso Outotec Oyj
Original Assignee
Outotec Oyj
Outokumpu Oyj
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 Oyj, Outokumpu Oyj filed Critical Outotec Oyj
Publication of CA2843210A1 publication Critical patent/CA2843210A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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)
CA2843210A 2011-06-13 2012-06-08 Method for improving the reduction degree in the smelting of ferroalloy Abandoned CA2843210A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20110200 2011-06-13
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 (1)

Publication Number Publication Date
CA2843210A1 true CA2843210A1 (en) 2012-12-20

Family

ID=44206736

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2843210A Abandoned CA2843210A1 (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 (de)
EP (1) EP2718476A4 (de)
JP (1) JP6148230B2 (de)
KR (2) KR20140012754A (de)
CN (1) CN103732774A (de)
AP (1) AP3866A (de)
AT (1) AT513441B1 (de)
AU (1) AU2012270290B2 (de)
BR (1) BR112013031991A8 (de)
CA (1) CA2843210A1 (de)
DE (1) DE112012002439T5 (de)
FI (1) FI123241B (de)
MX (1) MX2013014524A (de)
NO (1) NO347489B1 (de)
RU (1) RU2600788C2 (de)
SE (1) SE538994C2 (de)
TW (1) TWI612147B (de)
UA (1) UA115863C2 (de)
WO (1) WO2012172168A1 (de)
ZA (1) ZA201309401B (de)

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 (de) 2011-07-29 2021-04-28 Interdigital Patent Holdings, Inc. Verfahren und vorrichtung für funkressourcenverwaltung in drahtlosen systemen mit mehrfunkzugriffstechnologie
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

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 (de) * 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 (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
FI127721B (fi) * 2009-02-11 2019-01-15 Outokumpu Oy Menetelmä nikkeliä sisältävän ferroseoksen valmistamiseksi
RU2406767C1 (ru) * 2009-04-08 2010-12-20 Александр Валерьевич Кольба Способ металлотермической плавки металлов и сплавов

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
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
NO347489B1 (no) 2023-11-20
EP2718476A4 (de) 2014-11-05
SE1351487A1 (sv) 2014-03-04
WO2012172168A1 (en) 2012-12-20
RU2600788C2 (ru) 2016-10-27
TWI612147B (zh) 2018-01-21
EP2718476A1 (de) 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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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20170607

FZDE Discontinued

Effective date: 20200204