AT360569B - METHOD FOR RECYCLING THE FLUE GAS HEAT IN THE CONTINUOUS DIRECT REDUCTION OF IRON ORE AND PLANT THEREFOR - Google Patents

METHOD FOR RECYCLING THE FLUE GAS HEAT IN THE CONTINUOUS DIRECT REDUCTION OF IRON ORE AND PLANT THEREFOR

Info

Publication number
AT360569B
AT360569B AT368279A AT368279A AT360569B AT 360569 B AT360569 B AT 360569B AT 368279 A AT368279 A AT 368279A AT 368279 A AT368279 A AT 368279A AT 360569 B AT360569 B AT 360569B
Authority
AT
Austria
Prior art keywords
recycling
flue gas
iron ore
gas heat
direct reduction
Prior art date
Application number
AT368279A
Other languages
German (de)
Other versions
ATA368279A (en
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
Application filed by Voest Alpine Ag filed Critical Voest Alpine Ag
Priority to AT368279A priority Critical patent/AT360569B/en
Priority to DE19803018368 priority patent/DE3018368A1/en
Priority to JP6586080A priority patent/JPS55154511A/en
Publication of ATA368279A publication Critical patent/ATA368279A/en
Application granted granted Critical
Publication of AT360569B publication Critical patent/AT360569B/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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/62—Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
AT368279A 1979-05-18 1979-05-18 METHOD FOR RECYCLING THE FLUE GAS HEAT IN THE CONTINUOUS DIRECT REDUCTION OF IRON ORE AND PLANT THEREFOR AT360569B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT368279A AT360569B (en) 1979-05-18 1979-05-18 METHOD FOR RECYCLING THE FLUE GAS HEAT IN THE CONTINUOUS DIRECT REDUCTION OF IRON ORE AND PLANT THEREFOR
DE19803018368 DE3018368A1 (en) 1979-05-18 1980-05-14 Efficient energy recovery via turbines - from waste gas obtd. during continuous direct redn. of iron ore
JP6586080A JPS55154511A (en) 1979-05-18 1980-05-16 Utilization of flue gas heat generated in continuously and directly reducing iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT368279A AT360569B (en) 1979-05-18 1979-05-18 METHOD FOR RECYCLING THE FLUE GAS HEAT IN THE CONTINUOUS DIRECT REDUCTION OF IRON ORE AND PLANT THEREFOR

Publications (2)

Publication Number Publication Date
ATA368279A ATA368279A (en) 1980-06-15
AT360569B true AT360569B (en) 1981-01-26

Family

ID=3553927

Family Applications (1)

Application Number Title Priority Date Filing Date
AT368279A AT360569B (en) 1979-05-18 1979-05-18 METHOD FOR RECYCLING THE FLUE GAS HEAT IN THE CONTINUOUS DIRECT REDUCTION OF IRON ORE AND PLANT THEREFOR

Country Status (3)

Country Link
JP (1) JPS55154511A (en)
AT (1) AT360569B (en)
DE (1) DE3018368A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041251A1 (en) * 1990-12-21 1992-06-25 Krupp Polysius Ag Material firing and power generation - uses low value fuel at kiln to give hot exhaust gas which is used to generate electricity

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448740B (en) * 1982-03-02 1987-03-16 Skf Steel Eng Ab SET AND DEVICE FOR THE REGENERATION OF COW 712 LAUNDRY BY REDUCING IRON OXIDE WITH REDUCING GAS
DE3224571A1 (en) * 1982-07-01 1984-01-05 Ruhrgas Ag, 4300 Essen METHOD FOR OPERATING AN INDUSTRIAL STOVE
CN117663812A (en) * 2024-01-31 2024-03-08 唐山高炬科技开发有限公司 Efficient enthalpy-increasing power generation method and system for sintering flue gas

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844766A (en) * 1973-12-26 1974-10-29 Midland Ross Corp Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels
DE2459763B2 (en) * 1974-12-18 1976-11-18 Thyssen Purofer GmbH, 4000 Düsseldorf METHOD OF MANUFACTURING IRON SPONGE
DE2459876B1 (en) * 1974-12-18 1976-06-24 Thyssen Purofer Gmbh PLANT FOR THE DIRECT REDUCTION OF IRON ORES
JPS5917163B2 (en) * 1976-01-14 1984-04-19 三菱重工業株式会社 Iron ore gas reduction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041251A1 (en) * 1990-12-21 1992-06-25 Krupp Polysius Ag Material firing and power generation - uses low value fuel at kiln to give hot exhaust gas which is used to generate electricity

Also Published As

Publication number Publication date
DE3018368A1 (en) 1980-11-27
ATA368279A (en) 1980-06-15
JPS55154511A (en) 1980-12-02

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee