CA2858176C - Starting a smelting process - Google Patents

Starting a smelting process Download PDF

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Publication number
CA2858176C
CA2858176C CA2858176A CA2858176A CA2858176C CA 2858176 C CA2858176 C CA 2858176C CA 2858176 A CA2858176 A CA 2858176A CA 2858176 A CA2858176 A CA 2858176A CA 2858176 C CA2858176 C CA 2858176C
Authority
CA
Canada
Prior art keywords
main chamber
oxygen
supplying
method defined
smelting
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.)
Active
Application number
CA2858176A
Other languages
English (en)
French (fr)
Other versions
CA2858176A1 (en
Inventor
Jacques Pilote
Rodney James Dry
Hendrikus Koenraad Albertus Meijer
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.)
Tata Steel Ltd
Original Assignee
Tata Steel Ltd
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
Priority claimed from AU2011905072A external-priority patent/AU2011905072A0/en
Application filed by Tata Steel Ltd filed Critical Tata Steel Ltd
Publication of CA2858176A1 publication Critical patent/CA2858176A1/en
Application granted granted Critical
Publication of CA2858176C publication Critical patent/CA2858176C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C21C5/04—Manufacture of hearth-furnace steel, e.g. Siemens-Martin 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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/023—Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • 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
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Glass Compositions (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
CA2858176A 2011-12-06 2012-12-06 Starting a smelting process Active CA2858176C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2011905072A AU2011905072A0 (en) 2011-12-06 Starting a Smelting Process
AU2011905072 2011-12-06
PCT/AU2012/001481 WO2013082653A1 (en) 2011-12-06 2012-12-06 Starting a smelting process

Publications (2)

Publication Number Publication Date
CA2858176A1 CA2858176A1 (en) 2013-06-13
CA2858176C true CA2858176C (en) 2021-03-09

Family

ID=48573410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2858176A Active CA2858176C (en) 2011-12-06 2012-12-06 Starting a smelting process

Country Status (15)

Country Link
US (1) US9458518B2 (enExample)
EP (1) EP2788515B1 (enExample)
JP (1) JP6172720B2 (enExample)
KR (1) KR102028774B1 (enExample)
CN (1) CN104053792B (enExample)
AU (1) AU2012350144B2 (enExample)
BR (1) BR112014013548B1 (enExample)
CA (1) CA2858176C (enExample)
ES (1) ES2671007T3 (enExample)
IN (1) IN2014CN04231A (enExample)
PL (1) PL2788515T3 (enExample)
RU (1) RU2624572C2 (enExample)
TR (1) TR201807383T4 (enExample)
UA (1) UA113295C2 (enExample)
WO (1) WO2013082653A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015081376A1 (en) * 2013-12-06 2015-06-11 Technological Resources Pty. Limited Smelting process and apparatus
CN108842070A (zh) * 2018-07-16 2018-11-20 汉源四环锌锗科技有限公司 一种锌冶炼挥发窑开机工艺
CN112226565B (zh) * 2020-09-17 2022-04-29 山东墨龙石油机械股份有限公司 一种熔融还原工艺的快速启动方法
JP2025525352A (ja) 2022-06-15 2025-08-05 ニューコア・コーポレーション 金属-スラグ界面における周辺コールドゾーンの管理を伴う直接浴製錬方法
JP2026509750A (ja) 2023-02-21 2026-03-25 ニューコア・コーポレーション 高温オフガス中での溶融材料の高速クエンチを伴う直接浴製錬プロセス

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219201B2 (enExample) * 1973-02-14 1977-05-26
JPS5697704A (en) * 1980-01-09 1981-08-06 Babcock Hitachi Kk Starting method of fluidized bed type furnace with solid fuel
US4417900A (en) * 1982-02-18 1983-11-29 Barthel Horst K F High temperature solid fire starter
KR950008531B1 (ko) * 1993-12-10 1995-07-31 포항종합제철주식회사 용선표면 응고지금의 용해방법 및 용해장치
KR0146800B1 (ko) * 1995-08-03 1998-11-02 김종진 토페도의 내부 응고용선 용해방법
AUPP647198A0 (en) * 1998-10-14 1998-11-05 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPQ152299A0 (en) 1999-07-09 1999-08-05 Technological Resources Pty Limited Start-up procedure for direct smelting process
AUPQ213099A0 (en) * 1999-08-10 1999-09-02 Technological Resources Pty Limited Pressure control
AUPQ346399A0 (en) * 1999-10-15 1999-11-11 Technological Resources Pty Limited Stable idle procedure
JP2006226671A (ja) * 2002-09-04 2006-08-31 Sumitomo Metal Ind Ltd 廃棄物の処理方法及び処理装置
KR101121197B1 (ko) * 2004-07-30 2012-03-23 주식회사 포스코 일반탄 및 분철광석을 직접 사용하는 용융가스화로에 미분탄재를 취입하는 용철제조장치 및 그 용철제조방법
WO2006096902A1 (en) * 2004-10-15 2006-09-21 Technological Resources Pty Limited Gas injection lance
BRPI0610262A2 (pt) * 2005-05-13 2010-06-08 Tech Resources Pty Ltd método de partida a frio para um processo de redução direta e processo de redução direta baseado em banho fundido
US20100011908A1 (en) * 2006-04-24 2010-01-21 John Neil Goodman Pressure control in direct smelting process
CN101624638B (zh) * 2009-08-14 2012-02-01 杜辉 燃气还原炼铁炉及其一步还原炼铁法

Also Published As

Publication number Publication date
KR20140108257A (ko) 2014-09-05
NZ626931A (en) 2016-01-29
WO2013082653A1 (en) 2013-06-13
EP2788515A4 (en) 2015-11-04
BR112014013548B1 (pt) 2019-09-24
UA113295C2 (uk) 2017-01-10
PL2788515T3 (pl) 2018-09-28
RU2014124754A (ru) 2016-01-27
EP2788515A1 (en) 2014-10-15
RU2624572C2 (ru) 2017-07-04
EP2788515B1 (en) 2018-02-28
CN104053792B (zh) 2016-01-20
TR201807383T4 (tr) 2018-06-21
CA2858176A1 (en) 2013-06-13
US9458518B2 (en) 2016-10-04
KR102028774B1 (ko) 2019-10-04
CN104053792A (zh) 2014-09-17
ES2671007T3 (es) 2018-06-04
JP6172720B2 (ja) 2017-08-02
US20140318319A1 (en) 2014-10-30
BR112014013548A2 (pt) 2017-06-13
AU2012350144B2 (en) 2016-09-01
IN2014CN04231A (enExample) 2015-07-17
AU2012350144A1 (en) 2014-07-24
JP2015500400A (ja) 2015-01-05
BR112014013548A8 (pt) 2018-07-31

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