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ATA335886A - PROCESS FOR PRODUCING POWDER METAL IRON POWDER FROM FINE IRON OXIDE POWDER BY REDUCTION WITH HOT GASES - Google Patents

PROCESS FOR PRODUCING POWDER METAL IRON POWDER FROM FINE IRON OXIDE POWDER BY REDUCTION WITH HOT GASES

Info

Publication number
ATA335886A
ATA335886A AT335886A AT335886A ATA335886A AT A335886 A ATA335886 A AT A335886A AT 335886 A AT335886 A AT 335886A AT 335886 A AT335886 A AT 335886A AT A335886 A ATA335886 A AT A335886A
Authority
AT
Austria
Prior art keywords
powder
reduction
hot gases
producing
iron oxide
Prior art date
Application number
AT335886A
Other languages
German (de)
Other versions
AT386555B (en
Inventor
Guenter Dipl Ing Dr Schrey
Gerhard Dipl Ing Dr Jangg
Herbert Dipl Ing Dr Danninger
Original Assignee
Voest Alpine Ag
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
Priority to AT335886A priority Critical patent/AT386555B/en
Application filed by Voest Alpine Ag filed Critical Voest Alpine Ag
Priority to AT87890021T priority patent/ATE74038T1/en
Priority to EP87890021A priority patent/EP0232246B1/en
Priority to CS61287A priority patent/CS273319B2/en
Priority to DE8787890021T priority patent/DE3777670D1/en
Priority to SU874028915A priority patent/SU1699346A3/en
Priority to HU204087A priority patent/HU199719B/en
Priority to YU89287A priority patent/YU89287A/en
Priority to PL26578887A priority patent/PL152552B1/en
Publication of ATA335886A publication Critical patent/ATA335886A/en
Application granted granted Critical
Publication of AT386555B publication Critical patent/AT386555B/en

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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/146—Multi-step reduction without melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
AT335886A 1986-02-03 1986-12-17 Method for manufacturing iron powders suitable for powder metallurgy from fine iron oxide powder by reduction using hot gases AT386555B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT335886A AT386555B (en) 1986-12-17 1986-12-17 Method for manufacturing iron powders suitable for powder metallurgy from fine iron oxide powder by reduction using hot gases
EP87890021A EP0232246B1 (en) 1986-02-03 1987-01-30 Process for manufacturing iron powder suitable for powder metallurgy by means of reduction of fine iron oxide powders with hot gases
CS61287A CS273319B2 (en) 1986-02-03 1987-01-30 Method of ferrous powders production from fine loose powdered iron trioxide
DE8787890021T DE3777670D1 (en) 1986-02-03 1987-01-30 METHOD FOR PRODUCING POWDER METAL IRON POWDER FROM FINE IRON OXIDE POWDER BY REDUCTION WITH HOT GASES.
AT87890021T ATE74038T1 (en) 1986-02-03 1987-01-30 PROCESS FOR THE PRODUCTION OF IRON POWDER SUITABLE FOR POWDER METALLURGY FROM FINE IRON OXIDE POWDER BY REDUCTION WITH HOT GASES.
SU874028915A SU1699346A3 (en) 1986-02-03 1987-02-02 Method of producing powdered ferrum
HU204087A HU199719B (en) 1986-12-17 1987-05-07 Method for producing powdered iron suitable for powder-metallurgical purposes by reducing fine iron oxide with hot gas
YU89287A YU89287A (en) 1986-12-17 1987-05-19 Process for preparing iron powders suitable for powder metallurgy
PL26578887A PL152552B1 (en) 1986-12-17 1987-05-20 Method for producing powdered iron suitable for powder-metallurgical purposes by reducing fine iron oxide with hot gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT335886A AT386555B (en) 1986-12-17 1986-12-17 Method for manufacturing iron powders suitable for powder metallurgy from fine iron oxide powder by reduction using hot gases

Publications (2)

Publication Number Publication Date
ATA335886A true ATA335886A (en) 1988-02-15
AT386555B AT386555B (en) 1988-09-12

Family

ID=3549311

Family Applications (1)

Application Number Title Priority Date Filing Date
AT335886A AT386555B (en) 1986-02-03 1986-12-17 Method for manufacturing iron powders suitable for powder metallurgy from fine iron oxide powder by reduction using hot gases

Country Status (4)

Country Link
AT (1) AT386555B (en)
HU (1) HU199719B (en)
PL (1) PL152552B1 (en)
YU (1) YU89287A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019207824A1 (en) * 2019-05-28 2020-12-03 Thyssenkrupp Steel Europe Ag Process for the production of iron powder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2236441A (en) * 1939-12-23 1941-03-25 Hardy Metallurg Company Metallurgical apparatus
GB1175985A (en) * 1967-10-19 1970-01-01 Fina Metal Ltd Direct Reduction of Iron Oxide to Non-Pyrophoric Iron Powder
GB1288252A (en) * 1969-03-25 1972-09-06
DE2443978C3 (en) * 1974-09-12 1982-04-15 Mannesmann AG, 4000 Düsseldorf Process for making ice powder

Also Published As

Publication number Publication date
YU89287A (en) 1988-12-31
HUT45204A (en) 1988-06-28
HU199719B (en) 1990-03-28
PL152552B1 (en) 1991-01-31
PL265788A1 (en) 1988-07-21
AT386555B (en) 1988-09-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee