JPS5339917A - Manufacture of iron by direct reduction - Google Patents

Manufacture of iron by direct reduction

Info

Publication number
JPS5339917A
JPS5339917A JP11448276A JP11448276A JPS5339917A JP S5339917 A JPS5339917 A JP S5339917A JP 11448276 A JP11448276 A JP 11448276A JP 11448276 A JP11448276 A JP 11448276A JP S5339917 A JPS5339917 A JP S5339917A
Authority
JP
Japan
Prior art keywords
iron
direct reduction
reducing
manufacture
decrease
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
JP11448276A
Other languages
Japanese (ja)
Inventor
Fumio Tomizawa
Yukinaga Katahashi
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.)
IHI Corp
Original Assignee
IHI 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 IHI Corp filed Critical IHI Corp
Priority to JP11448276A priority Critical patent/JPS5339917A/en
Publication of JPS5339917A publication Critical patent/JPS5339917A/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
    • C21B13/02—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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting

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:To prevent a decrease of the reducing power of a reducing gas and thus prevent a decrease in reducing efficiency by feeding a hot gas which has cooled reduced iron in a shaft furnace for direct reduction of iron to a collector tube not to pass the hot gas through a reducing zone.
JP11448276A 1976-09-24 1976-09-24 Manufacture of iron by direct reduction Pending JPS5339917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11448276A JPS5339917A (en) 1976-09-24 1976-09-24 Manufacture of iron by direct reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11448276A JPS5339917A (en) 1976-09-24 1976-09-24 Manufacture of iron by direct reduction

Publications (1)

Publication Number Publication Date
JPS5339917A true JPS5339917A (en) 1978-04-12

Family

ID=14638840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11448276A Pending JPS5339917A (en) 1976-09-24 1976-09-24 Manufacture of iron by direct reduction

Country Status (1)

Country Link
JP (1) JPS5339917A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6187855B1 (en) 1997-10-08 2001-02-13 Bridgestone Corporation Butadiene rubber adhesive composition with specified low syndiotactic-butadiene content

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6187855B1 (en) 1997-10-08 2001-02-13 Bridgestone Corporation Butadiene rubber adhesive composition with specified low syndiotactic-butadiene content

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