ZA941288B - Metallurgical processes and apparatus - Google Patents

Metallurgical processes and apparatus

Info

Publication number
ZA941288B
ZA941288B ZA941288A ZA941288A ZA941288B ZA 941288 B ZA941288 B ZA 941288B ZA 941288 A ZA941288 A ZA 941288A ZA 941288 A ZA941288 A ZA 941288A ZA 941288 B ZA941288 B ZA 941288B
Authority
ZA
South Africa
Prior art keywords
metallurgical processes
metallurgical
processes
Prior art date
Application number
ZA941288A
Other languages
English (en)
Inventor
Donald Prentice Satchell Jr
Original Assignee
African Oxygen Ltd
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 African Oxygen Ltd filed Critical African Oxygen Ltd
Publication of ZA941288B publication Critical patent/ZA941288B/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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • 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
    • C21B5/001—Injecting additional fuel or reducing agents
    • 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
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/284—Increasing the gas reduction potential of recycled exhaust gases by separation of nitrogen
    • 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
    • C21B2100/62—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
    • C21B2100/66—Heat exchange
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
ZA941288A 1993-03-29 1994-02-24 Metallurgical processes and apparatus ZA941288B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9306497A GB2281311B (en) 1993-03-29 1993-03-29 Metallurgical processes and apparatus

Publications (1)

Publication Number Publication Date
ZA941288B true ZA941288B (en) 1994-09-30

Family

ID=10732937

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA941288A ZA941288B (en) 1993-03-29 1994-02-24 Metallurgical processes and apparatus

Country Status (8)

Country Link
EP (1) EP0618302A1 (xx)
JP (1) JPH06346126A (xx)
KR (1) KR940021742A (xx)
CN (1) CN1042141C (xx)
AU (1) AU680212B2 (xx)
CA (1) CA2115625A1 (xx)
GB (1) GB2281311B (xx)
ZA (1) ZA941288B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786196A1 (fr) * 1998-11-20 2000-05-26 Air Liquide Procede de combustion, notamment pour l'elaboration de la fonte ou la fabrication de ciment
AT507525B1 (de) * 2008-10-23 2010-09-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zum betrieb eines schmelzreduktionsverfahrens
AT510273B1 (de) * 2011-03-17 2012-03-15 Siemens Vai Metals Tech Gmbh Verfahren zur heizwertregelung für abgase aus anlagen zur roheisenherstellung oder für synthesegas
CN115786706A (zh) * 2022-11-28 2023-03-14 郴州金铖环保科技有限公司 一种生物质气用于铅、铋等还原熔炼的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190746A (en) * 1962-09-28 1965-06-22 Great Lakes Carbon Corp Process for use of raw petroleum coke in blast furnaces
US3250016A (en) * 1962-11-08 1966-05-10 United States Steel Corp Method and apparatus for preparing powdered coal for injection into a blast furnace
SE300996B (xx) * 1963-12-19 1968-05-20 United States Steel Corp
DE1508069A1 (de) * 1966-04-29 1970-03-05 Salzgitter Huettenwerk Ag Verfahren zum Betrieb von Schachtoefen
GB1438999A (en) * 1972-11-25 1976-06-09 Nippon Kokan Kk Blast furnace operating methods
LU71434A1 (xx) * 1974-12-06 1976-11-11
GB1573455A (en) * 1976-11-12 1980-08-20 Hazen Research Production of steel from iron carbide
US4260412A (en) * 1980-01-16 1981-04-07 Midrex Corporation Method of producing direct reduced iron with fluid bed coal gasification
DE3031680A1 (de) * 1980-08-22 1982-03-11 Klöckner-Werke AG, 4100 Duisburg Verfahren zur gaserzeugung
AT382165B (de) * 1983-08-18 1987-01-26 Voest Alpine Ag Verfahren zur herstellung von fluessigem roheisen oder stahlvorprodukten sowie vorrichtung zur durchfuehrung des verfahrens
DE3437913C2 (de) * 1984-10-12 1987-05-07 Korf Engineering GmbH, 4000 Düsseldorf Verfahren und Vorrichtung zur Herstellung von Eisenschwamm und/oder flüssigem Roheisen
DE3626027A1 (de) * 1986-08-01 1988-02-11 Metallgesellschaft Ag Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln
DE3644775A1 (de) * 1986-12-23 1988-07-14 Korf Engineering Gmbh Verfahren zur herstellung von roheisen
JPS63171818A (ja) * 1987-01-09 1988-07-15 Nkk Corp 酸素高炉の羽口
DE4041689C2 (de) * 1990-04-20 1995-11-09 Orinoco Siderurgica Verfahren und Anlage zum Herstellen von flüssigem Stahl aus Eisenoxiden
JPH0742491B2 (ja) * 1990-07-20 1995-05-10 川崎製鉄株式会社 高炉吹込み微粉炭乾燥装置
US5194213A (en) * 1991-07-29 1993-03-16 Inco Limited Copper smelting system
ES2122021T3 (es) * 1992-06-24 1998-12-16 British Telecomm Metodo y aparato para la medicion objetiva de la calidad del habla de equipos de telecomunicacion.

Also Published As

Publication number Publication date
EP0618302A1 (en) 1994-10-05
GB2281311A (en) 1995-03-01
JPH06346126A (ja) 1994-12-20
KR940021742A (ko) 1994-10-19
CA2115625A1 (en) 1994-09-30
CN1042141C (zh) 1999-02-17
CN1093411A (zh) 1994-10-12
AU680212B2 (en) 1997-07-24
GB2281311B (en) 1996-09-04
AU5512994A (en) 1994-10-06
GB9306497D0 (en) 1993-05-19

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