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PT4034685T - Método e dispositivo para produzir metal carburado de redução direta - Google Patents

Método e dispositivo para produzir metal carburado de redução direta

Info

Publication number
PT4034685T
PT4034685T PT208690305T PT20869030T PT4034685T PT 4034685 T PT4034685 T PT 4034685T PT 208690305 T PT208690305 T PT 208690305T PT 20869030 T PT20869030 T PT 20869030T PT 4034685 T PT4034685 T PT 4034685T
Authority
PT
Portugal
Prior art keywords
direct reduced
producing direct
carburized metal
carburized
metal
Prior art date
Application number
PT208690305T
Other languages
English (en)
Original Assignee
Greeniron H2 Ab
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 Greeniron H2 Ab filed Critical Greeniron H2 Ab
Publication of PT4034685T publication Critical patent/PT4034685T/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing 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
    • C21B13/004—Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from ores
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C21B13/0093—Protecting against oxidation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • C21C2100/00—Exhaust gas
    • C21C2100/04—Recirculation of the exhaust gas
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
PT208690305T 2019-09-23 2020-09-22 Método e dispositivo para produzir metal carburado de redução direta PT4034685T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1951070A SE543642C2 (en) 2019-09-23 2019-09-23 Method and device for producing direct reduced, carburized metal

Publications (1)

Publication Number Publication Date
PT4034685T true PT4034685T (pt) 2024-05-03

Family

ID=75167048

Family Applications (1)

Application Number Title Priority Date Filing Date
PT208690305T PT4034685T (pt) 2019-09-23 2020-09-22 Método e dispositivo para produzir metal carburado de redução direta

Country Status (16)

Country Link
US (1) US12221659B2 (pt)
EP (1) EP4034685B1 (pt)
JP (1) JP7657784B2 (pt)
KR (1) KR102890310B1 (pt)
CN (1) CN114729416B (pt)
AU (1) AU2020356139B2 (pt)
CA (1) CA3150076A1 (pt)
CL (1) CL2022000684A1 (pt)
ES (1) ES2962729T3 (pt)
FI (1) FI4034685T3 (pt)
MX (1) MX2022003493A (pt)
PL (1) PL4034685T3 (pt)
PT (1) PT4034685T (pt)
SE (1) SE543642C2 (pt)
UA (1) UA129334C2 (pt)
WO (1) WO2021061038A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE543341C2 (en) * 2019-04-01 2020-12-08 Greeniron H2 Ab Method and device for producing direct reduced metal
SE543642C2 (en) 2019-09-23 2021-05-11 Greeniron H2 Ab Method and device for producing direct reduced, carburized metal
SE545792C2 (en) * 2022-05-20 2024-02-06 Greeniron H2 Ab Method and device for producing direct reduced metal
PL247682B1 (pl) 2023-12-12 2025-08-18 Seco/Warwick Spolka Akcyjna Urządzenie do termiczno-gazowej redukcji tlenków metali z użyciem wodoru jako gazu procesowego

Family Cites Families (32)

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AT251301B (de) 1962-09-27 1966-12-27 Nat Smelting Co Ltd Verfahren zur Raffination von unreinem Zink
DE2309292A1 (de) 1973-02-24 1974-09-05 Kloeckner Humboldt Deutz Ag Verfahren zur direktreduktion von magnetisierbaren erzen mittels wasserstoffgas
JPS5083990A (pt) 1973-11-26 1975-07-07
SE382078B (sv) 1974-05-09 1976-01-12 Skf Nova Ab Forfarande och ugnsanleggning for satsvis framstellning av metallsvamp
US5137566A (en) 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
JP2934517B2 (ja) * 1991-02-06 1999-08-16 三菱重工業株式会社 金属鉱石の直接還元方法
RU2033431C1 (ru) 1991-04-02 1995-04-20 Восточно-Сибирская академия нового мышления Способ получения металлов
DE4320359C1 (de) * 1993-06-19 1994-10-20 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C
DE59403432D1 (de) * 1993-06-19 1997-08-28 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
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AT402733B (de) 1994-06-23 1997-08-25 Voest Alpine Ind Anlagen Verfahren zur direktreduktion von eisenoxidhältigem material
US5542963A (en) 1994-09-21 1996-08-06 Sherwood; William L. Direct iron and steelmaking
US5713982A (en) 1995-12-13 1998-02-03 Clark; Donald W. Iron powder and method of producing such
US6506230B2 (en) * 1997-09-05 2003-01-14 Midrex Technologies, Inc. Method for increasing productivity of direct reduction process
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LU90273B1 (de) 1998-08-11 2000-02-14 Wurth Paul Sa Verfahren zur thermischen Behandlung schwermetall-und eisenoxidhaltiger Reststoffe
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IT1402250B1 (it) 2010-09-29 2013-08-28 Danieli Off Mecc Procedimento ed apparato per la produzione di ferro di riduzione diretta utilizzando una sorgente di gas riducente comprendente idrogeno e monossido di carbonio
KR101197936B1 (ko) * 2010-12-28 2012-11-05 주식회사 포스코 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법
UA117374C2 (uk) 2013-07-31 2018-07-25 Мідрекс Текнолоджиз, Інк. Відновлення оксиду заліза до металевого заліза із застосуванням коксового газу та газу зі сталеплавильної печі з подачею кисню
RU2675581C2 (ru) * 2014-07-15 2018-12-19 Мидрэкс Текнолоджиз, Инк. Способы и системы получения железа прямого восстановления и газообразного топлива для сталелитейного завода
CN106702066A (zh) 2017-03-03 2017-05-24 江苏省冶金设计院有限公司 一种氢气进入气基还原竖炉制备直接还原铁的系统和方法
CN207130292U (zh) * 2017-07-24 2018-03-23 江苏省冶金设计院有限公司 一种竖炉生产直接还原铁的系统
SE543341C2 (en) 2019-04-01 2020-12-08 Greeniron H2 Ab Method and device for producing direct reduced metal
SE543642C2 (en) 2019-09-23 2021-05-11 Greeniron H2 Ab Method and device for producing direct reduced, carburized metal

Also Published As

Publication number Publication date
CL2022000684A1 (es) 2022-10-28
EP4034685A1 (en) 2022-08-03
FI4034685T3 (sv) 2024-04-25
EP4034685B1 (en) 2024-01-31
AU2020356139B2 (en) 2025-12-18
BR112022004189A2 (pt) 2022-05-31
UA129334C2 (uk) 2025-03-19
CA3150076A1 (en) 2021-04-01
JP7657784B2 (ja) 2025-04-07
PL4034685T3 (pl) 2024-06-03
SE1951070A1 (en) 2021-03-24
KR102890310B1 (ko) 2025-11-25
CN114729416B (zh) 2024-08-30
US12221659B2 (en) 2025-02-11
EP4034685A4 (en) 2022-11-23
JP2022549285A (ja) 2022-11-24
US20230002841A1 (en) 2023-01-05
ES2962729T1 (es) 2024-03-20
KR20220066282A (ko) 2022-05-24
ES2962729T3 (es) 2024-09-27
MX2022003493A (es) 2022-04-25
AU2020356139A1 (en) 2022-03-24
CN114729416A (zh) 2022-07-08
SE543642C2 (en) 2021-05-11
WO2021061038A1 (en) 2021-04-01

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