JPS648209A - Apparatus and method for smelting reduction - Google Patents

Apparatus and method for smelting reduction

Info

Publication number
JPS648209A
JPS648209A JP15979287A JP15979287A JPS648209A JP S648209 A JPS648209 A JP S648209A JP 15979287 A JP15979287 A JP 15979287A JP 15979287 A JP15979287 A JP 15979287A JP S648209 A JPS648209 A JP S648209A
Authority
JP
Japan
Prior art keywords
gas
furnace body
hole
exhaust
blowing
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
JP15979287A
Other languages
Japanese (ja)
Inventor
Kenzo Yamada
Katsuhiro Iwasaki
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP15979287A priority Critical patent/JPS648209A/en
Publication of JPS648209A publication Critical patent/JPS648209A/en
Pending legal-status Critical Current

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  • Manufacture Of Iron (AREA)

Abstract

PURPOSE:To effectively recover sensible heat of gas by forming generated gas exhaust hole at upper side part of a smelting reduction furnace body and also fitting an oxygen blowing hole and gas blowing hole corresponding to slag layer both to slant upward. CONSTITUTION:Blowing holes 12 are arranged at the bottom part in the furnace body 11 of the smelting reduction furnace to execute combustion of carbonic material and reduction of iron ore and the exhaust hole 15 is arranged at the upper side part in the furnace body 11, to exhaust the generated gas. Further, at the lower part of the exhaust hole 15 at the position corresponding to the position laying the slag layer in the furnace body 11, the side part blowing holes 13, 14 are arranged both to slant upward. By this constitution, the pure oxygen is blown from the blowing hole 13 and the generated gas is burnt to form a secondary combustion zone and the exhaust gas (CO, CO2, etc.,) is blown from the blowing hole 14, to retain the slag to the secondary combustion zone as fine particle. By this method, retaining time of splash in the secondary combustion zone is lengthened and the sensible heat of the gas is effectively recovered.
JP15979287A 1987-06-29 1987-06-29 Apparatus and method for smelting reduction Pending JPS648209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15979287A JPS648209A (en) 1987-06-29 1987-06-29 Apparatus and method for smelting reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15979287A JPS648209A (en) 1987-06-29 1987-06-29 Apparatus and method for smelting reduction

Publications (1)

Publication Number Publication Date
JPS648209A true JPS648209A (en) 1989-01-12

Family

ID=15701366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15979287A Pending JPS648209A (en) 1987-06-29 1987-06-29 Apparatus and method for smelting reduction

Country Status (1)

Country Link
JP (1) JPS648209A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012265A1 (en) * 1990-12-29 1992-07-23 Technological Resources Pty. Limited Reduction of metal oxides
JPH0530554U (en) * 1991-09-30 1993-04-23 エヌテイエヌ株式会社 Solid type cage
JPH06508285A (en) * 1991-06-24 1994-09-22 プロコーネア　ホールディング　ベスローテン　フェンノートシャップ Container containing at least one contact lens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012265A1 (en) * 1990-12-29 1992-07-23 Technological Resources Pty. Limited Reduction of metal oxides
JPH06508285A (en) * 1991-06-24 1994-09-22 プロコーネア　ホールディング　ベスローテン　フェンノートシャップ Container containing at least one contact lens
JPH0530554U (en) * 1991-09-30 1993-04-23 エヌテイエヌ株式会社 Solid type cage

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