ZA815563B - Method and apparatus for the direct reduction of iron in a shaft furnace using gas from coal - Google Patents

Method and apparatus for the direct reduction of iron in a shaft furnace using gas from coal

Info

Publication number
ZA815563B
ZA815563B ZA815563A ZA815563A ZA815563B ZA 815563 B ZA815563 B ZA 815563B ZA 815563 A ZA815563 A ZA 815563A ZA 815563 A ZA815563 A ZA 815563A ZA 815563 B ZA815563 B ZA 815563B
Authority
ZA
South Africa
Prior art keywords
coal
iron
gas
shaft furnace
direct reduction
Prior art date
Application number
ZA815563A
Other languages
English (en)
Inventor
John C Scarlett
Charles W Sanzenbacher
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 ZA815563B publication Critical patent/ZA815563B/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
    • 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
    • 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
    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Industrial Gases (AREA)
ZA815563A 1980-09-15 1981-08-12 Method and apparatus for the direct reduction of iron in a shaft furnace using gas from coal ZA815563B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/187,024 US4331470A (en) 1980-09-15 1980-09-15 Method for the direct reduction of iron in a shaft furnace using gas from coal

Publications (1)

Publication Number Publication Date
ZA815563B true ZA815563B (en) 1982-08-25

Family

ID=22687305

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA815563A ZA815563B (en) 1980-09-15 1981-08-12 Method and apparatus for the direct reduction of iron in a shaft furnace using gas from coal

Country Status (18)

Country Link
US (1) US4331470A (xx)
JP (1) JPS5782417A (xx)
KR (1) KR840002356B1 (xx)
AT (1) AT381953B (xx)
AU (1) AU525672B2 (xx)
BE (1) BE890196A (xx)
BR (1) BR8105761A (xx)
CA (1) CA1172455A (xx)
DD (1) DD201807A5 (xx)
DE (1) DE3135914A1 (xx)
GB (1) GB2083839B (xx)
IN (1) IN155080B (xx)
NZ (1) NZ198327A (xx)
PH (2) PH17080A (xx)
PL (1) PL137834B1 (xx)
SU (1) SU1155162A3 (xx)
TR (1) TR21578A (xx)
ZA (1) ZA815563B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4608240A (en) * 1983-11-04 1986-08-26 Hylsa, S.A. Method for the desulfurization of hydrocarbon gas
IT1177077B (it) * 1983-12-02 1987-08-26 Skf Steel Eng Ab Procedimento ed impianto per ridurre materiale ossidico generando simultaneamente un gas idoneo come gas combustibile
AT381954B (de) * 1984-08-16 1986-12-29 Voest Alpine Ag Verfahren zur direktreduktion von eisenoxidhaeltigen materialien
AT404600B (de) * 1997-03-12 1998-12-28 Voest Alpine Ind Anlagen Verfahren und einrichtung zum aufbereiten von reduktionsgas zur reduktion von erzen
US6149859A (en) * 1997-11-03 2000-11-21 Texaco Inc. Gasification plant for direct reduction reactors
US10584393B2 (en) * 2013-12-20 2020-03-10 Tata Steel Limited Smelting process and apparatus
CN104561425B (zh) * 2015-02-12 2016-04-13 王俊 一种气基法微波加热连续工业制取还原铁粉装置及其使用方法
CN110453027A (zh) * 2019-09-11 2019-11-15 武汉科思瑞迪科技有限公司 一种气基和煤基相结合的竖炉直接还原工艺
CN110438278A (zh) * 2019-09-11 2019-11-12 武汉科思瑞迪科技有限公司 一种气基和煤基相结合的竖炉直接还原工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853538A (en) * 1973-07-20 1974-12-10 Steel Corp Use of reducing gas by coal gasification for direct iron ore reduction
DE2438790B2 (de) * 1974-08-13 1976-09-09 Thyssen Purofer GmbH, 4000 Düsseldorf Verfahren und anlage zur reduktion von eisenerzen, insbesondere von eisenerzpellets
US4017305A (en) * 1975-04-15 1977-04-12 United States Steel Corporation Process for heat hardening
US4173465A (en) * 1978-08-15 1979-11-06 Midrex Corporation Method for the direct reduction of iron using gas from coal

Also Published As

Publication number Publication date
AU525672B2 (en) 1982-11-18
AU7507581A (en) 1982-04-08
BR8105761A (pt) 1982-05-25
GB2083839B (en) 1984-07-25
KR840002356B1 (ko) 1984-12-21
ATA388381A (de) 1986-05-15
JPS649376B2 (xx) 1989-02-17
JPS5782417A (en) 1982-05-22
KR830006439A (ko) 1983-09-24
BE890196A (fr) 1982-01-04
US4331470A (en) 1982-05-25
IN155080B (xx) 1984-12-29
PH17852A (en) 1985-01-09
NZ198327A (en) 1984-05-31
PL233022A1 (xx) 1982-08-30
PL137834B1 (en) 1986-07-31
TR21578A (tr) 1984-10-16
CA1172455A (en) 1984-08-14
SU1155162A3 (ru) 1985-05-07
AT381953B (de) 1986-12-29
PH17080A (en) 1984-05-24
DE3135914A1 (de) 1982-05-27
GB2083839A (en) 1982-03-31
DD201807A5 (de) 1983-08-10

Similar Documents

Publication Publication Date Title
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
HU184590B (en) Method and apparatus for desulfuring flue gas at coal firing
ZA817448B (en) Furnace taphole drilling apparatus and method
ZA806425B (en) Method and apparatus for direct reduction of iron using high sulfur gas
GB2079423B (en) Method and apparatus for preventing the inclusion of slag into molten steel
JPS57155308A (en) Gas reduction and apparatus for iron ore to sponge iron
GB2074306B (en) Method for operating a coal dust furnace and a furnace for carrying out the method
GB2173514B (en) Method and apparatus for producing granular slag from blast furnace slag
GB2056498B (en) Method and apparatus for producing molten iron from iron oxide with coal and oxygen
HUT37464A (en) Method and apparatus for blowing pulverized coal into industrial furnace
JPS52101607A (en) Gas cleaning method and apparatus for metallurgical furnace
JPS5582707A (en) Method and apparatus for charging blast furnace
JPS5456627A (en) Method and apparatus for making blast furnace slag crushed sand
GB2083839B (en) Method and apparatus for the direct reduction of iron in a shaft furnace using gas from coal
GB2082471B (en) Method and apparatus for cooling blast furnace gas
DE3373828D1 (en) Method for treating blast furnace gas and apparatus for carrying out that method
GB2084611B (en) Method and apparatus for the gaseous reduction of iron ore to sponge iron
GB2126325B (en) A method of and an apparatus for regulating the burning or roasting process in a cement burning or roasting plant
DE3363514D1 (en) Method and apparatus for supervising charges in blast furnace
PH18991A (en) Method and apparatus for charging a furnace
GB2075646B (en) Process and apparatus for furnace operation with gas seal
ZW8983A1 (en) Method and apparatus for charging furnaces
ZW12781A1 (en) A method of mixing a hot furnace gas with another gas before the removal of the furnace gas from the furnace and a hood intended for this purpose
GB2131530B (en) Gas removal in metallurgical furnaces