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

Werkwijze en inrichting voor het reduceren van metaalertsen. Download PDF

Info

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
US06/237,446 US4338123A (en) 1981-02-23 1981-02-23 Method and apparatus for the reduction of metal ores
US23744681 1981-02-23

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 (no)
JP (1) JPS57155309A (no)
KR (1) KR830009228A (no)
AR (1) AR228639A1 (no)
AU (1) AU8024282A (no)
BE (1) BE892226A (no)
BR (1) BR8200909A (no)
CA (1) CA1185437A (no)
DD (1) DD202052A5 (no)
DE (1) DE3205851A1 (no)
ES (1) ES509811A0 (no)
FR (1) FR2500481B1 (no)
GB (1) GB2093483B (no)
GR (1) GR81537B (no)
IN (1) IN157551B (no)
IT (1) IT1190695B (no)
MX (1) MX156786A (no)
NL (1) NL8200566A (no)
NO (1) NO820540L (no)
RO (1) RO84502B (no)
SE (1) SE8201080L (no)
ZA (1) ZA82801B (no)

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

Similar Documents

Publication Publication Date Title
US4046557A (en) Method for producing metallic iron particles
US4054444A (en) Method for controlling the carbon content of directly reduced iron
US3765872A (en) Method and apparatus for the gaseous reduction of iron ore to sponge iron
US4118017A (en) Shaft furnace design
US4374663A (en) Method and apparatus for reducing an iron oxide material in a fluidized bed
CA1287216C (en) Apparatus and method for increasing carbon content of hot directly reduced iron
US4002422A (en) Packed bed heat exchanger
SU1634141A3 (ru) Способ газообразного пр мого восстановлени гранулированной железной руды и шахтна печь дл его осуществлени
US4702766A (en) Method of increasing carbon content of direct reduced iron and apparatus
US4734128A (en) Direct reduction reactor with hot discharge
NL8200566A (nl) Werkwijze en inrichting voor het reduceren van metaalertsen.
US4216011A (en) Method and apparatus for the secondary gaseous reduction of metal ores
IL45830A (en) Method for gaseous reduction of metal ores
US2701758A (en) Thermal processes
US6602317B2 (en) Method and apparatus for controlling temperature uniformity of the burden in a direct reduction shaft furnace
US4897113A (en) Direct reduction process in reactor with hot discharge
US2865734A (en) Treatment of metal-containing materials
JP3342670B2 (ja) 炭化鉄の製法
US3799521A (en) Method and apparatus for the gaseous reduction of iron ore to sponge iron
US1319589A (en) Process of extracting iron from its ore
CA1075913A (en) Method and apparatus for producing metallic iron particles
US2799576A (en) Process for operating shaft blast furnaces
CN86104943A (zh) 还原熔炼铁矿石的方法
US4049440A (en) Method for producing metallic iron pellets
US4042226A (en) Method and apparatus for producing metallic iron pellets

Legal Events

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