NL8200566A - Werkwijze en inrichting voor het reduceren van metaalertsen. - Google Patents

Werkwijze en inrichting voor het reduceren van metaalertsen. Download PDF

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Publication number
NL8200566A
NL8200566A NL8200566A NL8200566A NL8200566A NL 8200566 A NL8200566 A NL 8200566A NL 8200566 A NL8200566 A NL 8200566A NL 8200566 A NL8200566 A NL 8200566A NL 8200566 A NL8200566 A NL 8200566A
Authority
NL
Netherlands
Prior art keywords
zone
gas
reactor
cooling
reduction
Prior art date
Application number
NL8200566A
Other languages
English (en)
Dutch (nl)
Original Assignee
Hylsa Sa
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 Hylsa Sa filed Critical Hylsa Sa
Publication of NL8200566A publication Critical patent/NL8200566A/nl

Links

Classifications

    • 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
    • C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
    • 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
    • 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
    • C21B2100/60—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)
  • Manufacture And Refinement Of Metals (AREA)
NL8200566A 1981-02-23 1982-02-15 Werkwijze en inrichting voor het reduceren van metaalertsen. NL8200566A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23744681 1981-02-23
US06/237,446 US4338123A (en) 1981-02-23 1981-02-23 Method and apparatus for the reduction of metal ores

Publications (1)

Publication Number Publication Date
NL8200566A true NL8200566A (nl) 1982-09-16

Family

ID=22893751

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8200566A NL8200566A (nl) 1981-02-23 1982-02-15 Werkwijze en inrichting voor het reduceren van metaalertsen.

Country Status (22)

Country Link
US (1) US4338123A (ro)
JP (1) JPS57155309A (ro)
KR (1) KR830009228A (ro)
AR (1) AR228639A1 (ro)
AU (1) AU8024282A (ro)
BE (1) BE892226A (ro)
BR (1) BR8200909A (ro)
CA (1) CA1185437A (ro)
DD (1) DD202052A5 (ro)
DE (1) DE3205851A1 (ro)
ES (1) ES8307913A1 (ro)
FR (1) FR2500481B1 (ro)
GB (1) GB2093483B (ro)
GR (1) GR81537B (ro)
IN (1) IN157551B (ro)
IT (1) IT1190695B (ro)
MX (1) MX156786A (ro)
NL (1) NL8200566A (ro)
NO (1) NO820540L (ro)
RO (1) RO84502B (ro)
SE (1) SE8201080L (ro)
ZA (1) ZA82801B (ro)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
US5702246A (en) * 1996-02-22 1997-12-30 Xera Technologies Ltd. Shaft furnace for direct reduction of oxides
DE19853836C2 (de) * 1998-11-21 2002-02-21 Internat Briquettes Holding Ca Verfahren zur Direktreduktion von Oxiden
DE19960575A1 (de) * 1999-12-15 2001-06-21 Krupp Polysius Ag Verfahren und Anlage zur Reduktion von Feinerzen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE548381C (de) * 1928-09-21 1932-04-19 Fried Krupp Akt Ges Friedrich Verfahren und Vorrichtung zum Reduzieren von Eisenerzen in einem Schachtofen durch heisse Gase
GB1347785A (en) * 1970-07-15 1974-02-27 Fierro Esponja Method of reducing particulate metal ores
US3799521A (en) * 1973-02-01 1974-03-26 Fierro Esponja Method and apparatus for the gaseous reduction of iron ore to sponge iron
US3850616A (en) * 1973-10-29 1974-11-26 Armco Steel Corp Inert gas seal for product discharge from a shaft furnace
US3836131A (en) * 1973-12-26 1974-09-17 Mildrex Corp Apparatus for cooling a moving bed of solid, gas permeable particles

Also Published As

Publication number Publication date
BE892226A (fr) 1982-06-16
ES509811A0 (es) 1983-08-01
GB2093483B (en) 1984-08-01
AR228639A1 (es) 1983-03-30
US4338123A (en) 1982-07-06
FR2500481A1 (fr) 1982-08-27
KR830009228A (ko) 1983-12-19
MX156786A (es) 1988-10-04
GR81537B (ro) 1984-12-11
CA1185437A (en) 1985-04-16
DE3205851A1 (de) 1982-09-09
DD202052A5 (de) 1983-08-24
RO84502A (ro) 1984-06-21
FR2500481B1 (fr) 1987-07-03
IT1190695B (it) 1988-02-24
GB2093483A (en) 1982-09-02
IT8219799A0 (it) 1982-02-23
ZA82801B (en) 1982-12-29
ES8307913A1 (es) 1983-08-01
BR8200909A (pt) 1982-12-28
NO820540L (no) 1982-08-24
IN157551B (ro) 1986-04-19
JPS57155309A (en) 1982-09-25
DE3205851C2 (ro) 1989-04-27
SE8201080L (sv) 1982-08-24
RO84502B (ro) 1984-08-30
AU8024282A (en) 1982-09-02

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed