BRPI0907889A2 - Método para a fusão de ferro-gusa com recirculação de gás de alto-forno e com a adição de hibrocarbonetos - Google Patents

Método para a fusão de ferro-gusa com recirculação de gás de alto-forno e com a adição de hibrocarbonetos

Info

Publication number
BRPI0907889A2
BRPI0907889A2 BRPI0907889-4A BRPI0907889A BRPI0907889A2 BR PI0907889 A2 BRPI0907889 A2 BR PI0907889A2 BR PI0907889 A BRPI0907889 A BR PI0907889A BR PI0907889 A2 BRPI0907889 A2 BR PI0907889A2
Authority
BR
Brazil
Prior art keywords
hybrocarbons
fusion
addition
blast furnace
gas recirculation
Prior art date
Application number
BRPI0907889-4A
Other languages
English (en)
Inventor
Robert Millner
Kurt Weider
Johann Wurn
Original Assignee
Siemens Vai Metals Tech Gmbh
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 Siemens Vai Metals Tech Gmbh filed Critical Siemens Vai Metals Tech Gmbh
Publication of BRPI0907889A2 publication Critical patent/BRPI0907889A2/pt

Links

Classifications

    • 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
    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • 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
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • C21B2100/40—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
    • C21B2100/62—Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
    • 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
    • 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
    • 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
    • Y02P10/20—Recycling
    • 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)
BRPI0907889-4A 2008-02-15 2009-01-29 Método para a fusão de ferro-gusa com recirculação de gás de alto-forno e com a adição de hibrocarbonetos BRPI0907889A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0024808A AT505401B1 (de) 2008-02-15 2008-02-15 Verfahren zum erschmelzen von roheisen unter rückführung von gichtgas unter zusatz von kohlenwasserstoffen
PCT/EP2009/000556 WO2009100819A1 (de) 2008-02-15 2009-01-29 Verfahren zum erschmelzen von roheisen unter rückführung von gichtgas unter zusatz von kohlenwasserstoffen

Publications (1)

Publication Number Publication Date
BRPI0907889A2 true BRPI0907889A2 (pt) 2015-07-21

Family

ID=40240450

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0907889-4A BRPI0907889A2 (pt) 2008-02-15 2009-01-29 Método para a fusão de ferro-gusa com recirculação de gás de alto-forno e com a adição de hibrocarbonetos

Country Status (15)

Country Link
US (1) US8287620B2 (pt)
EP (1) EP2242861B1 (pt)
JP (1) JP2011514443A (pt)
KR (2) KR101720075B1 (pt)
CN (1) CN102037145B (pt)
AR (1) AR070380A1 (pt)
AT (1) AT505401B1 (pt)
AU (1) AU2009214417B2 (pt)
BR (1) BRPI0907889A2 (pt)
CA (1) CA2715525C (pt)
CL (1) CL2009000327A1 (pt)
RU (1) RU2496884C2 (pt)
TW (1) TW200951229A (pt)
UA (1) UA99945C2 (pt)
WO (1) WO2009100819A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU91617B1 (en) * 2009-10-19 2011-04-20 Wurth Paul Sa Energy recovery from gases in a blast furnace plant
CN101818218B (zh) * 2010-04-15 2015-05-20 山东省冶金设计院股份有限公司 强化高炉间接还原的方法
CN101812555A (zh) * 2010-04-15 2010-08-25 山东省冶金设计院股份有限公司 一种强化高炉间接还原的方法及其专用气的制造方法
AT510955B1 (de) * 2011-05-30 2012-08-15 Siemens Vai Metals Tech Gmbh Reduktion von metalloxiden unter verwendung eines sowohl kohlenwasserstoff als auch wasserstoff enthaltenden gasstromes
EP2746408A1 (de) * 2012-12-21 2014-06-25 Siemens VAI Metals Technologies GmbH Überhitzung von einem in einem Reduktionsprozess genutzten Exportgas zum Ausgleich von Mengenschwankungen und Vorrichtung zum dessen
GB2513185A (en) * 2013-04-19 2014-10-22 Siemens Vai Metals Tech Gmbh Blast furnace plant
KR101550893B1 (ko) * 2013-12-10 2015-09-18 주식회사 포스코 용철제조방법 및 용철제조장치
WO2016072613A1 (ko) * 2014-11-06 2016-05-12 주식회사 포스코 복합 용철 제조 장치
CN106957937A (zh) * 2017-04-20 2017-07-18 江苏省冶金设计院有限公司 一种用corex装置和直接还原竖炉生产海绵铁的方法和系统
US11427877B2 (en) 2017-09-21 2022-08-30 Nucor Corporation Direct reduced iron (DRI) heat treatment, products formed therefrom, and use thereof
LU101210B1 (en) * 2019-05-14 2020-11-16 Wurth Paul Sa Method for operating a metallurgical furnace
WO2021106579A1 (ja) * 2019-11-29 2021-06-03 Jfeスチール株式会社 高炉の操業方法および高炉附帯設備
LU102057B1 (en) * 2020-09-09 2022-03-09 Wurth Paul Sa Method for operating a blast furnace installation
LU500245B1 (en) * 2021-06-03 2022-12-07 Wurth Paul Sa Method for operating a blast furnace installation
JP7893865B2 (ja) * 2021-09-13 2026-07-22 レール・リキード-ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 鉄鋼プラントのための直接還元鉄の製造方法
CN116536463A (zh) * 2023-04-27 2023-08-04 山东钢铁股份有限公司 一种重整炉、低碳高炉炼铁系统及其方法
EP4750922A1 (en) * 2023-07-26 2026-06-03 KT Tech S.p.A. Improved process for the smelting reduction of iron ores
USD1128894S1 (en) * 2024-01-08 2026-06-02 Amerifab, Inc. Pipe return elbow
CN120989414B (zh) * 2025-10-22 2025-12-30 北票合兴实业有限公司 多传感器融合的铁精粉降钛过程智能控制系统及方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB883998A (en) 1958-04-01 1961-12-06 Mckee & Co Arthur G Method of operating blast furnaces
DE1939354A1 (de) * 1969-08-01 1971-02-11 British Iron Steel Research Verfahren zum Betrieb eines Hochofens
JPS5141563B1 (pt) * 1970-12-21 1976-11-10
JPS4818174B1 (pt) * 1970-12-22 1973-06-04
JPS526872B2 (pt) * 1972-03-30 1977-02-25
US3909446A (en) * 1972-03-31 1975-09-30 Nippon Kokan Kk Method of manufacturing high quality reducing gas by two stage reforming processes
DE2261766C3 (de) 1972-12-16 1978-06-01 Ferdinand Dr.Mont. 6374 Steinbach Fink Verfahren zum Erschmelzen von Roheisen in Hochöfen
JPS4994592A (pt) * 1973-01-16 1974-09-07
US3935002A (en) * 1974-04-03 1976-01-27 Nippon Kokan Kabushiki Kaisha Method of blast furnace operation utilizing selective recycling of peripheral gas stream
LU71434A1 (pt) * 1974-12-06 1976-11-11
JPS5399093A (en) * 1977-02-10 1978-08-30 Nippon Kokan Kk <Nkk> Combustion atmosphere controlling method in production of reduced gas
JPS53102816A (en) * 1977-02-22 1978-09-07 Nippon Kokan Kk <Nkk> Heat accumulating method in preparation of reducing gas
US4244732A (en) * 1979-03-27 1981-01-13 Kaiser Engineers, Inc. Manufacture of steel from ores containing high phosphorous and other undesirable constituents
DE3702875C1 (en) 1987-01-31 1988-04-07 Ferdinand Dipl-Ing Dr Mon Fink Process for smelting crude iron and for producing process gas in blast furnaces
DE4041689C2 (de) 1990-04-20 1995-11-09 Orinoco Siderurgica Verfahren und Anlage zum Herstellen von flüssigem Stahl aus Eisenoxiden
US6506230B2 (en) * 1997-09-05 2003-01-14 Midrex Technologies, Inc. Method for increasing productivity of direct reduction process
US6152984A (en) * 1998-09-10 2000-11-28 Praxair Technology, Inc. Integrated direct reduction iron system
JP4137266B2 (ja) * 1999-01-28 2008-08-20 新日本製鐵株式会社 還元鉄製造方法
FR2848123B1 (fr) 2002-12-04 2005-02-18 Air Liquide Procede de recuperation du gaz de haut-fourneau et son utilisation pour la fabrication de la fonte
DE102004036767B4 (de) * 2003-07-30 2005-11-24 Scheidig, Klaus, Dr.-Ing. Verfahren zur Roheisenerzeugung in einem mit Sauerstoff und rückgeführtem, vom CO2 befreiten Gichtgas unter Zusatz von Kohlenwasserstoffen betriebenen Hochofen
DE102005018712B4 (de) * 2005-04-21 2007-08-09 Scheidig, Klaus, Dr.-Ing. Verfahren zur Erzeugung von Roheisen im Hochofen unter Zuführung von Reduktionsgas

Also Published As

Publication number Publication date
AT505401A4 (de) 2009-01-15
KR20160029150A (ko) 2016-03-14
RU2496884C2 (ru) 2013-10-27
WO2009100819A1 (de) 2009-08-20
KR20100132005A (ko) 2010-12-16
CN102037145B (zh) 2013-11-20
UA99945C2 (ru) 2012-10-25
AU2009214417B2 (en) 2013-03-28
AR070380A1 (es) 2010-03-31
CA2715525C (en) 2017-01-24
CA2715525A1 (en) 2009-08-20
EP2242861B1 (de) 2015-08-12
RU2010138112A (ru) 2012-03-20
CN102037145A (zh) 2011-04-27
KR101720075B1 (ko) 2017-03-27
AT505401B1 (de) 2009-01-15
US8287620B2 (en) 2012-10-16
AU2009214417A1 (en) 2009-08-20
EP2242861A1 (de) 2010-10-27
JP2011514443A (ja) 2011-05-06
US20100313711A1 (en) 2010-12-16
TW200951229A (en) 2009-12-16
CL2009000327A1 (es) 2010-07-19

Similar Documents

Publication Publication Date Title
PL2188398T3 (pl) Odpylacz gazu wielkopiecowego
LU91546B1 (en) Method for operating a blast furnace and blast furnace installation
EP2488669A4 (en) Blast furnace tuyere cooling
BRPI0916610A2 (pt) método para construir e reformar corpo de alto-forno
BRPI1009283A2 (pt) conjunto de sopro para um alto-forno e método de suprimento de correntes quentes para dentro de um alto-forno
BRPI0924445A2 (pt) processo de reciclagem de gás de alto-forno e dispositivo associado
BRPI0910303A2 (pt) método e aparelho para separação de gás de alto forno
EP1999470A4 (en) IDENTIFICATION AND GENETIC MODIFICATION OF ANTIBODIES WITH HEAVY CHAINS OF VARIANTS AND METHODS OF USE THEREOF
ZA200904770B (en) Method for the reduction of a slag having a high degree of chromium in an electric arc furnace
EP1984530A4 (en) Method for the direct reduction of iron oxides to metallic iron utilizing coke oven gas or the like
EP2660338A4 (en) Apparatus for assembling molten slag and recovering sensible heat
PL2459754T3 (pl) Sposób redukcji na bazie gazu z pieca do reformowania, z zawracaniem redukujących gazów odlotowych i odwęglaniem części gazów odlotowych stosowanej jako paliwo gazowe dla pieca do reformowania
EP2426223A4 (en) PROCESS FOR USING A HIGH-STOVE, ASSOCIATED METHOD OF COMBUSTION OF LOW-VALUE GAS, AND HIGH-STOVE EQUIPMENT
EP1975258A4 (en) PROTECTED CARBON CONDUCTIVE BLOCK FOR HIGH OVEN AND METHOD FOR CONSTRUCTING A HIGH BOX WITH A CARBON-BASED BLOCK
BRPI0817617A2 (pt) Método para produção de cimento portland de escória e cimento portland de alto-forno
PL2313686T3 (pl) System pieca z wewnętrzną recyrkulacją spalin
LU91570B1 (en) Arrangement for burning blast furnace off-gas froma bleeder valve and corresponding bleeder valve.
BRPI0922673A2 (pt) método de produção de coque para alto-forno
HU1000243V0 (en) Casette for combustion furnace
EP2115360A4 (en) PROCESS AND APPARATUS FOR OXY-FUEL COMBUSTION
ZA201101176B (en) Slag door for metallurgic furnaces
PL1860258T3 (pl) Kanał montażowy i naprawczy
EP2318489A4 (en) TARGETED REAGENT INJECTION FOR THE REDUCTION OF SLAG FROM COMBUSTION OF IRON AND / OR CALCIUM COAL
GB0916944D0 (en) Air blast fuel injector
EP2410065A4 (en) Blast furnace operation method

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B25D Requested change of name of applicant approved

Owner name: PRIMETALS TECHNOLOGIES AUSTRIA GMBH (AT)

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements