JPS5274516A - Gas supply system in fixed bed retort type sponge iron production proc ess - Google Patents

Gas supply system in fixed bed retort type sponge iron production proc ess

Info

Publication number
JPS5274516A
JPS5274516A JP13018375A JP13018375A JPS5274516A JP S5274516 A JPS5274516 A JP S5274516A JP 13018375 A JP13018375 A JP 13018375A JP 13018375 A JP13018375 A JP 13018375A JP S5274516 A JPS5274516 A JP S5274516A
Authority
JP
Japan
Prior art keywords
fixed bed
sponge iron
gas supply
supply system
iron production
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.)
Pending
Application number
JP13018375A
Other languages
Japanese (ja)
Inventor
Yoshiji Imai
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP13018375A priority Critical patent/JPS5274516A/en
Publication of JPS5274516A publication Critical patent/JPS5274516A/en
Pending 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
    • C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)

Abstract

PURPOSE:In manufacturing sponge iron by reducing iron ore with a reducing gas in fixed bed retorts, the reducing gas is divided two parts and is then passed within the iron ore bed, whereby the uneven quality of sponge iron is reduced and productivity is improved.
JP13018375A 1975-10-28 1975-10-28 Gas supply system in fixed bed retort type sponge iron production proc ess Pending JPS5274516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13018375A JPS5274516A (en) 1975-10-28 1975-10-28 Gas supply system in fixed bed retort type sponge iron production proc ess

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13018375A JPS5274516A (en) 1975-10-28 1975-10-28 Gas supply system in fixed bed retort type sponge iron production proc ess

Publications (1)

Publication Number Publication Date
JPS5274516A true JPS5274516A (en) 1977-06-22

Family

ID=15028041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13018375A Pending JPS5274516A (en) 1975-10-28 1975-10-28 Gas supply system in fixed bed retort type sponge iron production proc ess

Country Status (1)

Country Link
JP (1) JPS5274516A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048112A (en) * 1933-07-31 1936-07-21 Gahl Rudolf Process for reduction of metaloxygen compounds
US2793946A (en) * 1952-10-04 1957-05-28 George R Paschal Methods and apparatus for the production of iron
JPS4861303A (en) * 1971-10-15 1973-08-28
JPS4863916A (en) * 1971-11-26 1973-09-05
JPS4977816A (en) * 1972-11-30 1974-07-26

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048112A (en) * 1933-07-31 1936-07-21 Gahl Rudolf Process for reduction of metaloxygen compounds
US2793946A (en) * 1952-10-04 1957-05-28 George R Paschal Methods and apparatus for the production of iron
JPS4861303A (en) * 1971-10-15 1973-08-28
JPS4863916A (en) * 1971-11-26 1973-09-05
JPS4977816A (en) * 1972-11-30 1974-07-26

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