ZA9510168B - Process for producing sponge iron and plant for carrying out the process - Google Patents

Process for producing sponge iron and plant for carrying out the process

Info

Publication number
ZA9510168B
ZA9510168B ZA9510168A ZA9510168A ZA9510168B ZA 9510168 B ZA9510168 B ZA 9510168B ZA 9510168 A ZA9510168 A ZA 9510168A ZA 9510168 A ZA9510168 A ZA 9510168A ZA 9510168 B ZA9510168 B ZA 9510168B
Authority
ZA
South Africa
Prior art keywords
pct
gas
sponge iron
date
plant
Prior art date
Application number
ZA9510168A
Other languages
English (en)
Inventor
Joerg Diehl
Gerald Rosenfellner
Original Assignee
Voest Alpine Ind Anlagen
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 Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Publication of ZA9510168B publication Critical patent/ZA9510168B/xx

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
    • C21B13/0073—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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • 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
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • 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
    • 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
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Hydroponics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
ZA9510168A 1994-12-01 1995-11-30 Process for producing sponge iron and plant for carrying out the process ZA9510168B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0223294A AT405187B (de) 1994-12-01 1994-12-01 Verfahren zum herstellen von eisenschwamm sowie anlage zur durchführung des verfahrens

Publications (1)

Publication Number Publication Date
ZA9510168B true ZA9510168B (en) 1996-06-07

Family

ID=3530485

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9510168A ZA9510168B (en) 1994-12-01 1995-11-30 Process for producing sponge iron and plant for carrying out the process

Country Status (17)

Country Link
US (1) US5997609A (ko)
EP (1) EP0796349B1 (ko)
JP (1) JP3441464B2 (ko)
KR (1) KR100247451B1 (ko)
CN (1) CN1042955C (ko)
AT (2) AT405187B (ko)
AU (1) AU701539B2 (ko)
BR (1) BR9509844A (ko)
CA (1) CA2206583A1 (ko)
CZ (1) CZ284766B6 (ko)
DE (1) DE59504170D1 (ko)
RU (1) RU2127319C1 (ko)
SK (1) SK282341B6 (ko)
TW (1) TW290589B (ko)
UA (1) UA32602C2 (ko)
WO (1) WO1996017089A1 (ko)
ZA (1) ZA9510168B (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582029A (en) * 1995-10-04 1996-12-10 Air Products And Chemicals, Inc. Use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process
AT406381B (de) * 1996-03-05 2000-04-25 Voest Alpine Ind Anlagen Anlage und verfahren zur herstellung von metallschwamm
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
US20050151307A1 (en) * 2003-09-30 2005-07-14 Ricardo Viramontes-Brown Method and apparatus for producing molten iron
CN101397597B (zh) * 2007-09-26 2010-12-01 宝山钢铁股份有限公司 干煤粉气化热煤气粉矿流化床直接还原生产海绵铁的方法
AT507823B1 (de) * 2009-01-30 2011-01-15 Siemens Vai Metals Tech Gmbh Verfahren und anlage zur herstellung von roheisen oder flüssigen stahlvorprodukten
WO2011001288A2 (en) 2009-06-29 2011-01-06 Bairong Li Metal reduction processes, metallurgical processes and products and apparatus
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
DE102011077819A1 (de) * 2011-06-20 2012-12-20 Siemens Aktiengesellschaft Kohlendioxidreduktion in Stahlwerken
CN113249536A (zh) 2013-07-22 2021-08-13 沙特基础工业公司 炉顶气在直接还原工艺中的使用
CN111575428B (zh) * 2020-06-11 2023-05-09 武汉科思瑞迪科技有限公司 一种气固还原竖炉及生产海绵铁的方法
CN111534659B (zh) * 2020-06-11 2023-04-28 武汉科思瑞迪科技有限公司 一种并联蓄热式气基竖炉及生产直接还原铁方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE252202C (ko) *
US1800856A (en) * 1926-04-07 1931-04-14 Bradley Linn Treating iron ore
GB799551A (en) * 1956-02-06 1958-08-13 Texaco Development Corp Reduction of a metal oxide with carbon monoxide and hydrogen
US3653874A (en) * 1970-01-02 1972-04-04 Koppers Co Inc Production of metal pellets from metallic oxides
JPS5362718A (en) * 1976-11-18 1978-06-05 Nippon Steel Corp Manufacture of reduced iron
DE2843303C2 (de) * 1978-10-04 1982-12-16 Korf-Stahl Ag, 7570 Baden-Baden Verfahren und Anlage zur Erzeugung von flüssigem Roheisen und Reduktionsgas in einem Einschmelzvergaser
JPS59107009A (ja) * 1982-12-11 1984-06-21 Nisshin Steel Co Ltd 高炉のオ−ルコ−クス操業における高出銑比操業法
AT376241B (de) * 1983-01-03 1984-10-25 Voest Alpine Ag Verfahren zum schmelzen von zumindest teilweise reduziertem eisenerz
JPH0638132B2 (ja) * 1984-06-25 1994-05-18 キヤノン株式会社 投影レンズ
JPS6199613A (ja) * 1984-10-22 1986-05-17 Nippon Steel Corp 直接還元炉のガス再循環装置
US4685964A (en) * 1985-10-03 1987-08-11 Midrex International B.V. Rotterdam Method and apparatus for producing molten iron using coal
DE3626027A1 (de) * 1986-08-01 1988-02-11 Metallgesellschaft Ag Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln
AT387038B (de) * 1986-11-25 1988-11-25 Voest Alpine Ag Verfahren und anlage zur gewinnung von elektrischer energie neben der herstellung von fluessigem roheisen
DE3716511A1 (de) * 1987-05-16 1988-12-01 Voest Alpine Ag Verfahren zur entfernung von schwefel aus dem abgas eines reduktionsschachtofens
AT394201B (de) * 1989-02-16 1992-02-25 Voest Alpine Ind Anlagen Verfahren zur erzeugung von brennbaren gasen in einem einschmelzvergaser
DE4037977A1 (de) * 1990-11-29 1992-06-11 Voest Alpine Ind Anlagen Verfahren zur herstellung von roheisen bzw. eisenschwamm
AT396255B (de) * 1991-09-19 1993-07-26 Voest Alpine Ind Anlagen Anlage und verfahren zur erzeugung von roheisen und eisenschwamm
AT402937B (de) * 1992-05-22 1997-09-25 Voest Alpine Ind Anlagen Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material
JPH06287001A (ja) * 1993-03-31 1994-10-11 Nippon Sanso Kk 水素及び二酸化炭素の製造方法
US5676732A (en) * 1995-09-15 1997-10-14 Hylsa, S.A. De C.V. Method for producing direct reduced iron utilizing a reducing gas with a high content of carbon monoxide

Also Published As

Publication number Publication date
ATA223294A (de) 1998-10-15
CN1167506A (zh) 1997-12-10
SK68397A3 (en) 1998-04-08
TW290589B (ko) 1996-11-11
CZ162997A3 (en) 1997-10-15
KR100247451B1 (ko) 2000-04-01
AU701539B2 (en) 1999-01-28
CA2206583A1 (en) 1996-06-06
CZ284766B6 (cs) 1999-02-17
JP3441464B2 (ja) 2003-09-02
WO1996017089A1 (de) 1996-06-06
ATE173026T1 (de) 1998-11-15
EP0796349A1 (de) 1997-09-24
US5997609A (en) 1999-12-07
EP0796349B1 (de) 1998-11-04
BR9509844A (pt) 1997-12-30
DE59504170D1 (de) 1998-12-10
UA32602C2 (uk) 2001-02-15
JP2001511846A (ja) 2001-08-14
AT405187B (de) 1999-06-25
SK282341B6 (sk) 2002-01-07
RU2127319C1 (ru) 1999-03-10
CN1042955C (zh) 1999-04-14
AU3863495A (en) 1996-06-19

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