AP3866A - 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
AP3866A
AP3866A AP2013007314A AP2013007314A AP3866A AP 3866 A AP3866 A AP 3866A AP 2013007314 A AP2013007314 A AP 2013007314A AP 2013007314 A AP2013007314 A AP 2013007314A AP 3866 A AP3866 A AP 3866A
Authority
AP
ARIPO
Prior art keywords
ferroalloy
smelting
improving
reduction degree
reduction
Prior art date
Application number
AP2013007314A
Other languages
English (en)
Other versions
AP2013007314A0 (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/xx
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 (sv) 2011-06-13 2011-06-13 Förfarande för förbättring av reduktionsgraden vid smältning av en ferroblandning
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 AP2013007314A0 (en) 2013-12-31
AP3866A true 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 (sv)
EP (1) EP2718476A4 (sv)
JP (1) JP6148230B2 (sv)
KR (2) KR20140012754A (sv)
CN (1) CN103732774A (sv)
AP (1) AP3866A (sv)
AT (1) AT513441B1 (sv)
AU (1) AU2012270290B2 (sv)
BR (1) BR112013031991A8 (sv)
CA (1) CA2843210A1 (sv)
DE (1) DE112012002439T5 (sv)
FI (1) FI123241B (sv)
MX (1) MX2013014524A (sv)
NO (1) NO347489B1 (sv)
RU (1) RU2600788C2 (sv)
SE (1) SE538994C2 (sv)
TW (1) TWI612147B (sv)
UA (1) UA115863C2 (sv)
WO (1) WO2012172168A1 (sv)
ZA (1) ZA201309401B (sv)

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 (sv) * 2013-12-17 2017-04-28 Outotec Finland Oy Förfarande för att utnyttja damm från en ferronickelprocess och sintrade pelletar framställda genom förfarandet
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 (sv) * 2016-12-30 2020-12-31 Outotec Finland Oy Förfarande för att producera nickelinnehållande härdade kromit pellets, förfarande för att producera ferrokromnickellegering och härdad kromit pellet

Citations (4)

* 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
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
WO2010092234A1 (en) * 2009-02-11 2010-08-19 Outokumpu Oyj Method for producing ferroalloy containing nickel

Family Cites Families (7)

* 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 (sv) * 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
RU2406767C1 (ru) * 2009-04-08 2010-12-20 Александр Валерьевич Кольба Способ металлотермической плавки металлов и сплавов

Patent Citations (4)

* 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
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
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
FI123241B (sv) 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
NO347489B1 (no) 2023-11-20
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 (sv) 2012-12-14
AP2013007314A0 (en) 2013-12-31
KR20140012754A (ko) 2014-02-03
FI20110200A0 (sv) 2011-06-13
TW201303037A (zh) 2013-01-16
JP2014523966A (ja) 2014-09-18

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