BR8006729A - Aparelho e processo para reducao direta de oxido de ferro para um produto de ferro metalizado - Google Patents

Aparelho e processo para reducao direta de oxido de ferro para um produto de ferro metalizado

Info

Publication number
BR8006729A
BR8006729A BR8006729A BR8006729A BR8006729A BR 8006729 A BR8006729 A BR 8006729A BR 8006729 A BR8006729 A BR 8006729A BR 8006729 A BR8006729 A BR 8006729A BR 8006729 A BR8006729 A BR 8006729A
Authority
BR
Brazil
Prior art keywords
direct reduction
iron
metallized
iron oxide
product
Prior art date
Application number
BR8006729A
Other languages
English (en)
Inventor
D Beggs
W Ahrendt
Original Assignee
Midrex Corp
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 Midrex Corp filed Critical Midrex Corp
Publication of BR8006729A publication Critical patent/BR8006729A/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
    • C21B13/0073—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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft 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
    • C21B2100/22—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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/42—Sulphur removal
    • 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
    • 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
    • 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)
  • Manufacture Of Iron (AREA)
BR8006729A 1979-10-22 1980-10-20 Aparelho e processo para reducao direta de oxido de ferro para um produto de ferro metalizado BR8006729A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/086,980 US4270739A (en) 1979-10-22 1979-10-22 Apparatus for direct reduction of iron using high sulfur gas

Publications (1)

Publication Number Publication Date
BR8006729A true BR8006729A (pt) 1981-04-22

Family

ID=22202110

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8006729A BR8006729A (pt) 1979-10-22 1980-10-20 Aparelho e processo para reducao direta de oxido de ferro para um produto de ferro metalizado

Country Status (13)

Country Link
US (1) US4270739A (pt)
JP (1) JPS5677308A (pt)
BE (1) BE885802A (pt)
BR (1) BR8006729A (pt)
CA (1) CA1152750A (pt)
DD (1) DD153701A5 (pt)
DE (1) DE3039838A1 (pt)
FR (1) FR2467884B1 (pt)
GB (1) GB2062686B (pt)
HU (1) HU182214B (pt)
MX (1) MX154673A (pt)
SU (1) SU978735A3 (pt)
ZA (1) ZA806425B (pt)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351513A (en) * 1981-01-29 1982-09-28 Midrex Corporation Direct reduction of iron using coke oven gas
US4608240A (en) * 1983-11-04 1986-08-26 Hylsa, S.A. Method for the desulfurization of hydrocarbon gas
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
AT382166B (de) * 1985-05-13 1987-01-26 Voest Alpine Ag Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material
US4897113A (en) * 1985-09-23 1990-01-30 Hylsa, S.A. Direct reduction process in reactor with hot discharge
US4734128A (en) * 1985-09-23 1988-03-29 Hylsa, S.A. Direct reduction reactor with hot discharge
US4834792A (en) * 1986-08-21 1989-05-30 Hylsa S.A. De C.V. Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone
US6200363B1 (en) * 1998-10-09 2001-03-13 Midrex International B.V. Rotterdam Zurich Branch Direct reduced iron hot/cold discharge system
IT1302811B1 (it) 1998-12-11 2000-09-29 Danieli & C Ohg Sp Procedimento e relativo apparato per la riduzione direttadi ossidi di ferro
IT1302815B1 (it) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente
IT1302814B1 (it) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp Procedimento e relativo impianto integrato per la produzionedi acciaio mediante riduzione diretta di ossidi di ferro
US6214086B1 (en) * 1999-08-20 2001-04-10 Midrex International B.V. Rotterdam, Zurich Branch Direct reduced iron discharge system and method
ITMI20050731A1 (it) * 2005-04-22 2006-10-23 Danieli Off Mecc Forno di riduzione
UA92751C2 (uk) * 2005-08-30 2010-12-10 Е. І. Дю Пон Де Немур Енд Компані Спосіб видалення оксиду титану та заліза з руди
CN1995402B (zh) * 2006-01-06 2011-11-16 伊尔技术有限公司 利用焦炉气等将氧化铁直接还原成金属铁的方法
US7837928B2 (en) 2007-01-16 2010-11-23 U.S. Steel Canada Inc. Apparatus and method for injection of fluid hydrocarbons into a blast furnace
AT505490B1 (de) * 2007-06-28 2009-12-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur erzeugung von eisenschwamm
US8372179B2 (en) 2007-10-15 2013-02-12 E I Du Pont De Nemours And Company Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom
CN101871031B (zh) * 2010-06-01 2011-08-03 中国石油大学(北京) 一种利用焦炉气制还原气生产海绵铁的方法及设备
WO2013027084A1 (en) 2011-08-20 2013-02-28 Hyl Technologies, S.A. De C.V. Process for producing direct reduced iron (dri) utilizing gases derived from coal
EP2794932B1 (en) 2011-12-21 2019-05-01 HYL Technologies, S.A. de C.V. Method and plant for production of direct reduced iron (dri) utilizing coke oven gas
CN105505494A (zh) * 2015-12-14 2016-04-20 西南化工研究设计院有限公司 一种利用焦炉煤气制取富甲烷气用于冶金还原铁的工艺
CN108699612B (zh) * 2016-02-05 2020-08-18 日本制铁株式会社 向高炉炉身部供给含氢气的还原气体的方法
DE102021112208A1 (de) 2021-05-11 2022-11-17 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
DE102021112922A1 (de) 2021-06-02 2022-12-08 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
SE546071C2 (en) * 2021-11-30 2024-05-07 Hybrit Dev Ab A system for direct reduction of iron ore to sponge iron

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909446A (en) * 1972-03-31 1975-09-30 Nippon Kokan Kk Method of manufacturing high quality reducing gas by two stage reforming processes
US3844766A (en) * 1973-12-26 1974-10-29 Midland Ross Corp Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels
US4054444A (en) * 1975-09-22 1977-10-18 Midrex Corporation Method for controlling the carbon content of directly reduced iron
DE2628447A1 (de) * 1976-06-24 1978-01-05 Krupp Gmbh Schachtofen zur direktreduktion von eisenerzen
US4150972A (en) * 1977-11-17 1979-04-24 Fierro Esponja, S.A. Controlling carburization in the reduction of iron ore to sponge iron
DE2810657C2 (de) * 1978-03-11 1980-01-24 Hamburger Stahlwerke Gmbh, 2103 Hamburg Verfahren zur Direktreduktion von Eisenerzen
GB2016124B (en) * 1978-03-11 1982-06-09 Hamburger Stahlwerke Gmbh Rocess and apparatus for the direct reduction of iron ores
JPS602362B2 (ja) * 1980-08-25 1985-01-21 株式会社神戸製鋼所 酸化鉄の直接還元製鉄方法

Also Published As

Publication number Publication date
FR2467884A1 (fr) 1981-04-30
DE3039838A1 (de) 1981-05-14
CA1152750A (en) 1983-08-30
DD153701A5 (de) 1982-01-27
FR2467884B1 (fr) 1985-09-20
GB2062686B (en) 1983-09-28
HU182214B (en) 1983-12-28
US4270739A (en) 1981-06-02
GB2062686A (en) 1981-05-28
JPS5677308A (en) 1981-06-25
SU978735A3 (ru) 1982-11-30
ZA806425B (en) 1981-10-28
MX154673A (es) 1987-11-18
BE885802A (fr) 1981-02-16

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19951020