DE3008445A1 - Verfahren und vorrichtung zum reduzieren von teilchenfoermigen erzen zu metallen - Google Patents

Verfahren und vorrichtung zum reduzieren von teilchenfoermigen erzen zu metallen

Info

Publication number
DE3008445A1
DE3008445A1 DE19803008445 DE3008445A DE3008445A1 DE 3008445 A1 DE3008445 A1 DE 3008445A1 DE 19803008445 DE19803008445 DE 19803008445 DE 3008445 A DE3008445 A DE 3008445A DE 3008445 A1 DE3008445 A1 DE 3008445A1
Authority
DE
Germany
Prior art keywords
gas
stream
zone
cooling
reduction zone
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19803008445
Other languages
German (de)
English (en)
Other versions
DE3008445C2 (US08197722-20120612-C00042.png
Inventor
Novoa Jorge Octavio Becerra
Vera Enrique Ramon Martinez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hylsa SA de CV
Original Assignee
Hylsa SA de CV
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 de CV filed Critical Hylsa SA de CV
Publication of DE3008445A1 publication Critical patent/DE3008445A1/de
Application granted granted Critical
Publication of DE3008445C2 publication Critical patent/DE3008445C2/de
Granted legal-status Critical Current

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
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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 And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE19803008445 1979-04-23 1980-03-05 Verfahren und vorrichtung zum reduzieren von teilchenfoermigen erzen zu metallen Granted DE3008445A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/032,665 US4216011A (en) 1979-04-23 1979-04-23 Method and apparatus for the secondary gaseous reduction of metal ores

Publications (2)

Publication Number Publication Date
DE3008445A1 true DE3008445A1 (de) 1980-11-06
DE3008445C2 DE3008445C2 (US08197722-20120612-C00042.png) 1987-03-19

Family

ID=21866147

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803008445 Granted DE3008445A1 (de) 1979-04-23 1980-03-05 Verfahren und vorrichtung zum reduzieren von teilchenfoermigen erzen zu metallen

Country Status (7)

Country Link
US (1) US4216011A (US08197722-20120612-C00042.png)
JP (1) JPS55141507A (US08197722-20120612-C00042.png)
AR (1) AR218580A1 (US08197722-20120612-C00042.png)
CA (1) CA1143574A (US08197722-20120612-C00042.png)
DE (1) DE3008445A1 (US08197722-20120612-C00042.png)
ES (1) ES8105395A1 (US08197722-20120612-C00042.png)
MX (1) MX154949A (US08197722-20120612-C00042.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381939A (en) * 1981-01-29 1983-05-03 Midrex Corporation Method for selective reduction of metallic oxides
DE3317701C2 (de) * 1983-05-16 1986-08-07 Hylsa S.A., Monterrey, N.L. Verfahren zum Betreiben eines Bewegtbett-Reduktionsreaktors mit vertikalem Schacht zum Reduzieren von Eisenerz zu Schwammeisen
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
ATE222568T1 (de) * 1996-12-27 2002-09-15 Michael Johann Dipl In Ruthner Verfahren und vorrichtung zur herstellung von eisenoxiden aus salzsauren eisenchloridhaltigen lösungen
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
US8771638B2 (en) 2009-04-20 2014-07-08 Midrex Technologies, Inc. Method and apparatus for sequestering carbon dioxide from a spent gas
BRPI1014167B1 (pt) * 2009-04-20 2018-07-31 Midrex Technologies, Inc. Método para sequestrar dióxido de carbono de um combustível gasoso de topo
US10065857B2 (en) 2013-03-12 2018-09-04 Midrex Technologies, Inc. Systems and methods for generating carbon dioxide for use as a reforming oxidant in making syngas or reformed gas
CN113789420B (zh) * 2021-08-10 2022-05-31 赵晓 一种含铁粉料在还原性气氛中直接炼钢装置及使用方法
DE102021122351A1 (de) * 2021-08-30 2023-03-02 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung einer Eisenschmelze
CN117419566B (zh) * 2023-12-18 2024-03-15 河北睿阳稀有金属制品有限公司 一种海绵铪生产用还原装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622349B2 (de) * 1975-05-19 1980-01-31 Midrex Corp., Charlotte, N.C. (V.St.A.) Verfahren zur Direktreduktion von Eisenerzen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740706A (en) * 1951-10-10 1956-04-03 Texaco Development Corp Method of reducing metal oxides
US3147106A (en) * 1961-04-06 1964-09-01 Hydrocarbon Research Inc Use of lined passivation chamber in an iron powder passivating process
US3385694A (en) * 1964-12-09 1968-05-28 Stora Kopparbergs Bergslags Ab Method of producing iron powder from pig iron or such and iron oxides
US3637368A (en) * 1968-10-16 1972-01-25 Exxon Research Engineering Co Increased metallizations of iron ore from fluidized bed processes
US3788835A (en) * 1970-12-30 1974-01-29 Exxon Research Engineering Co Iron ore reduction process(nu-9)
US3732092A (en) * 1972-03-31 1973-05-08 Bethlehem Steel Corp Heat treatment of iron powder
JPS5219823B2 (US08197722-20120612-C00042.png) * 1972-12-25 1977-05-31
US4017305A (en) * 1975-04-15 1977-04-12 United States Steel Corporation Process for heat hardening
US4150972A (en) * 1977-11-17 1979-04-24 Fierro Esponja, S.A. Controlling carburization in the reduction of iron ore to sponge iron

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622349B2 (de) * 1975-05-19 1980-01-31 Midrex Corp., Charlotte, N.C. (V.St.A.) Verfahren zur Direktreduktion von Eisenerzen

Also Published As

Publication number Publication date
MX154949A (es) 1988-01-13
DE3008445C2 (US08197722-20120612-C00042.png) 1987-03-19
AR218580A1 (es) 1980-06-13
US4216011A (en) 1980-08-05
ES489753A0 (es) 1981-05-16
ES8105395A1 (es) 1981-05-16
JPS5744732B2 (US08197722-20120612-C00042.png) 1982-09-22
JPS55141507A (en) 1980-11-05
CA1143574A (en) 1983-03-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: C21B 13/02

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee