CS363191A3 - Process for producing pig iron, respectively spongy iron - Google Patents

Process for producing pig iron, respectively spongy iron

Info

Publication number
CS363191A3
CS363191A3 CS913631A CS363191A CS363191A3 CS 363191 A3 CS363191 A3 CS 363191A3 CS 913631 A CS913631 A CS 913631A CS 363191 A CS363191 A CS 363191A CS 363191 A3 CS363191 A3 CS 363191A3
Authority
CS
Czechoslovakia
Prior art keywords
iron
reducing
shaft furnace
gas
pig iron
Prior art date
Application number
CS913631A
Other languages
English (en)
Inventor
Rolf Dr Ing Hauk
Leopold-Werner Dr I Kepplinger
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 CS363191A3 publication Critical patent/CS363191A3/cs
Publication of CZ278732B6 publication Critical patent/CZ278732B6/cs

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
    • 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
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/80—Interaction of exhaust gases produced during the manufacture of iron or steel with other 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
    • Y02P10/122—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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Furnace Details (AREA)
  • Catalysts (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
CS913631A 1990-11-29 1991-11-29 Process for producing pig iron, respectively spongy iron CZ278732B6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4037977A DE4037977A1 (de) 1990-11-29 1990-11-29 Verfahren zur herstellung von roheisen bzw. eisenschwamm

Publications (2)

Publication Number Publication Date
CS363191A3 true CS363191A3 (en) 1992-06-17
CZ278732B6 CZ278732B6 (en) 1994-05-18

Family

ID=6419151

Country Status (16)

Country Link
US (1) US5238487A (cs)
EP (1) EP0487856B1 (cs)
JP (1) JP2635256B2 (cs)
KR (1) KR0140516B1 (cs)
AT (1) ATE145432T1 (cs)
AU (2) AU8584191A (cs)
BR (1) BR9105177A (cs)
CA (1) CA2052659C (cs)
CZ (1) CZ278732B6 (cs)
DE (2) DE4037977A1 (cs)
ES (1) ES2095279T3 (cs)
PT (1) PT99638B (cs)
RU (1) RU2078142C1 (cs)
SK (1) SK281276B6 (cs)
TR (1) TR25745A (cs)
ZA (1) ZA917786B (cs)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037977A1 (de) * 1990-11-29 1992-06-11 Voest Alpine Ind Anlagen Verfahren zur herstellung von roheisen bzw. eisenschwamm
AT404735B (de) * 1992-10-22 1999-02-25 Voest Alpine Ind Anlagen Verfahren und anlage zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten
AT404254B (de) * 1993-07-05 1998-10-27 Voest Alpine Ind Anlagen Verfahren und anlage zur herstellung von roheisen oder flüssigen stahlvorprodukten aus eisenerzhältigen einsatzstoffen
AT405186B (de) * 1994-10-17 1999-06-25 Voest Alpine Ind Anlagen Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm
TW303389B (cs) * 1994-10-17 1997-04-21 V0Est Alpine Industrieanlagenbau Gmbh
AT405187B (de) * 1994-12-01 1999-06-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm sowie anlage zur durchführung des verfahrens
AT406484B (de) * 1995-08-16 2000-05-25 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und eisenschwamm sowie anlage zur durchführung des verfahrens
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
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
UA42803C2 (uk) * 1995-10-10 2001-11-15 Фоест-Альпіне Індустріанлагенбау Гмбх Спосіб прямого відновлення дрібнозернистого матеріалу у формі часток, що містить оксид заліза, та установка для здійснення цього способу
FR2744374B1 (fr) * 1996-02-01 1998-03-06 Air Liquide Procede et installation siderurgiques
AT406380B (de) * 1996-03-05 2000-04-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von flüssigem roheisen oder flüssigen stahlvorprodukten sowie anlage zur durchführung des verfahrens
AT405523B (de) * 1996-03-05 1999-09-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen und zumindest teilreduziertem nichteisen-erz sowie anlage zur durchführung des verfahrens
AT405524B (de) 1996-03-05 1999-09-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und metallschwamm
AT403380B (de) * 1996-03-05 1998-01-26 Voest Alpine Ind Anlagen Verfahren zum reduzieren von metallschwamm
US6027545A (en) * 1998-02-20 2000-02-22 Hylsa, S.A. De C.V. Method and apparatus for producing direct reduced iron with improved reducing gas utilization
US6562103B2 (en) 2001-07-27 2003-05-13 Uop Llc Process for removal of carbon dioxide for use in producing direct reduced iron
US20050151307A1 (en) * 2003-09-30 2005-07-14 Ricardo Viramontes-Brown Method and apparatus for producing molten iron
UA82783C2 (uk) * 2006-12-04 2008-05-12 Анатолий Тимофеевич Неклеса Спосіб одержання залізовуглецевого розплаву, зокрема розплаву сталі
US8057734B2 (en) * 2009-02-24 2011-11-15 Praxair Technology, Inc. Producing metal and carbon dioxide with hydrogen recycle
AT508291B1 (de) * 2009-05-28 2011-07-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur reduktion oxidischer eisenträger mit reduktionsgas aus einem kohlevergaser
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
AU2011325859B2 (en) * 2010-11-03 2016-06-30 Technological Resources Pty. Limited Production of iron
JP2015532948A (ja) * 2012-09-14 2015-11-16 フェストアルピネ シュタール ゲーエムベーハーＶｏｅｓｔａｌｐｉｎｅ Ｓｔａｈｌ Ｇｍｂｈ 直接還元システムのためのプロセスガスを加熱する方法
EP2905345A1 (de) * 2014-02-10 2015-08-12 Primetals Technologies Austria GmbH Pneumatische Erzchargierung
CN105066716B (zh) * 2015-07-28 2018-02-02 中国恩菲工程技术有限公司 还原炉余热回收利用的方法
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909244A (en) * 1971-01-27 1975-09-30 Metallgesellschaft Ag Process for directly reducing iron ores in the solid state under pressure
IT1038230B (it) * 1974-05-22 1979-11-20 Krupp Gmbh Procedimento per la produzione di acciaio
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
JPS5575901A (en) * 1978-11-30 1980-06-07 Nippon Kokan Kk <Nkk> Production of reducing gas
DE2907022A1 (de) * 1979-02-23 1980-08-28 Maschf Augsburg Nuernberg Ag Tiefkuehl-aufbereitung von rohgas aus der kohlevergasung zur verwendung bei der direktreduktion
US4244732A (en) * 1979-03-27 1981-01-13 Kaiser Engineers, Inc. Manufacture of steel from ores containing high phosphorous and other undesirable constituents
US4225340A (en) * 1979-06-12 1980-09-30 Midrex Corporation Method for the direct reduction of iron using gas from coal
US4260412A (en) * 1980-01-16 1981-04-07 Midrex Corporation Method of producing direct reduced iron with fluid bed coal gasification
FR2500480B1 (fr) * 1981-02-26 1985-12-13 Skf Steel Eng Ab Procede et appareil de production d'eponge de fer
DE3328373A1 (de) * 1982-11-15 1984-05-17 Korf Engineering GmbH, 4000 Düsseldorf Verfahren und anlage zur direkten erzeugung von eisenschwammpartikeln und fluessigem roheisen aus stueckigem eisenerz
DE3438487A1 (de) * 1984-10-17 1986-04-24 Korf Engineering GmbH, 4000 Düsseldorf Verfahren zur herstellung von roheisen
DE3644775A1 (de) * 1986-12-23 1988-07-14 Korf Engineering Gmbh Verfahren zur herstellung von roheisen
AT389124B (de) * 1987-09-17 1989-10-25 Voest Alpine Ag Verfahren und anlage zur herstellung von fluessigem roheisen oder stahlvorprodukten aus stueckigen, eisenerzhaeltigen einsatzstoffen
MX170052B (es) * 1987-12-07 1993-08-05 Kawasaki Heavy Ind Ltd Metodo de reduccion por fundicion de menas que contienen oxidos de metal
DE4037977A1 (de) * 1990-11-29 1992-06-11 Voest Alpine Ind Anlagen Verfahren zur herstellung von roheisen bzw. eisenschwamm
US8380177B2 (en) 2010-04-09 2013-02-19 Paydiant, Inc. Mobile phone payment processing methods and systems
JP6013401B2 (ja) 2014-06-17 2016-10-25 中国電力株式会社 沈着状況調査方法

Also Published As

Publication number Publication date
PT99638B (pt) 1999-05-31
EP0487856A2 (de) 1992-06-03
TR25745A (tr) 1993-09-01
JP2635256B2 (ja) 1997-07-30
PT99638A (pt) 1992-11-30
SK281276B6 (sk) 2001-02-12
DE59108365D1 (de) 1997-01-02
ATE145432T1 (de) 1996-12-15
ZA917786B (en) 1992-05-27
RU2078142C1 (ru) 1997-04-27
AU8584191A (en) 1992-06-04
ES2095279T3 (es) 1997-02-16
JPH04268008A (ja) 1992-09-24
KR920009995A (ko) 1992-06-26
CA2052659C (en) 2001-04-17
EP0487856B1 (de) 1996-11-20
CA2052659A1 (en) 1992-05-30
CZ278732B6 (en) 1994-05-18
BR9105177A (pt) 1992-07-21
AU7419894A (en) 1994-12-08
KR0140516B1 (ko) 1998-07-15
DE4037977C2 (cs) 1992-09-24
DE4037977A1 (de) 1992-06-11
EP0487856A3 (en) 1993-02-03
US5238487A (en) 1993-08-24
AU678509B2 (en) 1997-05-29

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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20031129