JPS5518567A - Fluidized bed type direct iron manufacture - Google Patents

Fluidized bed type direct iron manufacture

Info

Publication number
JPS5518567A
JPS5518567A JP9127978A JP9127978A JPS5518567A JP S5518567 A JPS5518567 A JP S5518567A JP 9127978 A JP9127978 A JP 9127978A JP 9127978 A JP9127978 A JP 9127978A JP S5518567 A JPS5518567 A JP S5518567A
Authority
JP
Japan
Prior art keywords
fluidized bed
reducing gas
gas
iron oxide
upper 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.)
Pending
Application number
JP9127978A
Other languages
Japanese (ja)
Inventor
Tetsuo Horie
Kenji Matsuda
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 JP9127978A priority Critical patent/JPS5518567A/en
Publication of JPS5518567A publication Critical patent/JPS5518567A/en
Pending legal-status Critical Current

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  • Manufacture Of Iron (AREA)

Abstract

PURPOSE: To make efficient the regeneration of the reducing gas, to prevent the sintering of the reduced iron, and the smooth the operation, by directly supplying the electric power to the upper zone of the fluidized bed in order to heat the zone, at the fluidized bed type direct iron manufacturing furnace including the fluidized bed consisting of the reducing gas, the granular carbon, and the raw iron oxide powder.
CONSTITUTION: The raw iron oxide powder D like as the iron ore, etc., and the carbonaceous powder E like as cokes, etc., are charged from the upper hopper 2 into the reducing furnace 1. The preheated reducing gas C including CO, H2, etc., is blasted from the gas nozzle 3 installed at the furnace bottom. Besides, the inclined grid type gas distributer 5 provided with many gas holes 4 is installed closely to the furnace bottom. The reducing gas C, the raw iron oxide powder D and the carbonaceous powder E form the fluidized bed F. Plural units of electrodes 8 are arranged circumferentially at the upper zone of the fluidized bed F, and the electric power is supplied from electrodes 8 to the carbonaceous powder E in order to heat it. The temperature of the upper zone of the fluidized bed F rises up high; then, the reduction reaction for the iron oxide and the reduction reaction of produced CO2, H2O, into CO, H2, are promoted; as a result, the regeneration of the reducing gas is effectively proceeded. Furthermore, since only the upper zone of the fluidized bed F is kept at high temperatures, the generated reduced iron does not cause the mutual sintering phenomenon.
COPYRIGHT: (C)1980,JPO&Japio
JP9127978A 1978-07-26 1978-07-26 Fluidized bed type direct iron manufacture Pending JPS5518567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9127978A JPS5518567A (en) 1978-07-26 1978-07-26 Fluidized bed type direct iron manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9127978A JPS5518567A (en) 1978-07-26 1978-07-26 Fluidized bed type direct iron manufacture

Publications (1)

Publication Number Publication Date
JPS5518567A true JPS5518567A (en) 1980-02-08

Family

ID=14022011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9127978A Pending JPS5518567A (en) 1978-07-26 1978-07-26 Fluidized bed type direct iron manufacture

Country Status (1)

Country Link
JP (1) JPS5518567A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6411016A (en) * 1987-07-02 1989-01-13 Shimada Seisakusho Kk Method and device for press working and twisting
JPH0211611U (en) * 1988-06-30 1990-01-24
JPH02224837A (en) * 1989-02-28 1990-09-06 Sumitomo Light Metal Ind Ltd Manufacture of twist shape

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6411016A (en) * 1987-07-02 1989-01-13 Shimada Seisakusho Kk Method and device for press working and twisting
JPH0356137B2 (en) * 1987-07-02 1991-08-27
JPH0211611U (en) * 1988-06-30 1990-01-24
JPH0421602Y2 (en) * 1988-06-30 1992-05-18
JPH02224837A (en) * 1989-02-28 1990-09-06 Sumitomo Light Metal Ind Ltd Manufacture of twist shape

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