ZA806425B - Method and apparatus for direct reduction of iron using high sulfur gas - Google Patents

Method and apparatus for direct reduction of iron using high sulfur gas

Info

Publication number
ZA806425B
ZA806425B ZA00806425A ZA806425A ZA806425B ZA 806425 B ZA806425 B ZA 806425B ZA 00806425 A ZA00806425 A ZA 00806425A ZA 806425 A ZA806425 A ZA 806425A ZA 806425 B ZA806425 B ZA 806425B
Authority
ZA
South Africa
Prior art keywords
iron
direct reduction
high sulfur
sulfur gas
gas
Prior art date
Application number
ZA00806425A
Other languages
English (en)
Inventor
W Ahrend
D Beggs
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 ZA806425B publication Critical patent/ZA806425B/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
    • C21B13/02—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)
ZA00806425A 1979-10-22 1980-10-20 Method and apparatus for direct reduction of iron using high sulfur gas ZA806425B (en)

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
ZA806425B true ZA806425B (en) 1981-10-28

Family

ID=22202110

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00806425A ZA806425B (en) 1979-10-22 1980-10-20 Method and apparatus for direct reduction of iron using high sulfur gas

Country Status (13)

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

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
US4734128A (en) * 1985-09-23 1988-03-29 Hylsa, S.A. Direct reduction reactor with hot discharge
US4897113A (en) * 1985-09-23 1990-01-30 Hylsa, S.A. Direct reduction process in 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
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
IT1302811B1 (it) 1998-12-11 2000-09-29 Danieli & C Ohg Sp Procedimento e relativo apparato per la riduzione direttadi ossidi di ferro
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
WO2001014598A1 (en) * 1999-08-20 2001-03-01 Midrex International B.V. Rotterdam, Zurich Branch Direct reduced iron discharge system
ITMI20050731A1 (it) * 2005-04-22 2006-10-23 Danieli Off Mecc Forno di riduzione
WO2007027998A2 (en) * 2005-08-30 2007-03-08 E. I. Du Pont De Nemours And Company Ore reduction process and titanium oxide and iron metallization product
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
WO2009052066A1 (en) 2007-10-15 2009-04-23 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
CN104039990A (zh) 2011-08-20 2014-09-10 伊尔技术有限公司 利用从煤衍生的气体制备直接还原铁(dri)的方法
MX354848B (es) 2011-12-21 2018-03-16 Hyl Tech S A De C V Método y aparato para la producción de hierro de reducción directa (hrd) utilizando gas de coquería.
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
FI3412780T3 (fi) 2016-02-05 2024-07-11 Nippon Steel Corp Menetelmä vetypitoisen pelkistyskaasun syöttämiseksi masuunin kuiluosaan
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
GB2016124B (en) * 1978-03-11 1982-06-09 Hamburger Stahlwerke Gmbh Rocess and apparatus for the direct reduction of iron ores
DE2810657C2 (de) * 1978-03-11 1980-01-24 Hamburger Stahlwerke Gmbh, 2103 Hamburg Verfahren zur Direktreduktion von Eisenerzen
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
CA1152750A (en) 1983-08-30
SU978735A3 (ru) 1982-11-30
BR8006729A (pt) 1981-04-22
US4270739A (en) 1981-06-02
DD153701A5 (de) 1982-01-27
GB2062686B (en) 1983-09-28
FR2467884A1 (fr) 1981-04-30
FR2467884B1 (fr) 1985-09-20
GB2062686A (en) 1981-05-28
MX154673A (es) 1987-11-18
JPS5677308A (en) 1981-06-25
BE885802A (fr) 1981-02-16
DE3039838A1 (de) 1981-05-14
HU182214B (en) 1983-12-28

Similar Documents

Publication Publication Date Title
GB2062686B (en) Method and apparatus for direct reduction of iron using high sulphur gas
GB2014616B (en) Method and apparatus for the direct reduction of iron ore
GB2027741B (en) Method and apparatus for the direct reduction of iron using gas from fossil fuel
JPS5598611A (en) Method of and apparatus for treating exhaust gas
GB2018612B (en) Apparatus and method for dewatering slag
JPS5284858A (en) Method of and apparatus for controlling burninggup of waste gas
JPS5213412A (en) Method and apparatus for gas charging
DE2966879D1 (en) Method of and apparatus for gas generation
GB2037425B (en) Method and apparatus for the quantitative determination of sulphur
JPS5663280A (en) Method of and apparatus for object
ZA766553B (en) Method and apparatus for direct reduction of sulfur-containing iron ore
JPS56104616A (en) Method and apparatus for inserting elastic band of matless
JPS5667525A (en) Method of decarbonizing gas
JPS5439381A (en) Apparatus and method for treating waste gas
EG13695A (en) Method and apparatus for burning phosphate ore at high temperature
JPS5582707A (en) Method and apparatus for charging blast furnace
JPS5493608A (en) Method and apparatus for sealing of fume
JPS53127307A (en) Method and apparatus for treating refining exhaust gas
GB1548212A (en) Treating method and equipment for ferruginous metallurgical slag
JPS5649809A (en) Method of and apparatus for clean gas
JPS5670362A (en) Form method of and apparatus for concrete
JPS5435890A (en) Method and apparatus for treating slag
JPS56137075A (en) Method of and apparatus for treating scrap preheating gas
JPS5586517A (en) Method and apparatus for treating flue gas
JPS5779222A (en) Method of and apparatus for operating combustor