ZA982704B - Method of operating rotary hearth furnace for reducing oxides - Google Patents

Method of operating rotary hearth furnace for reducing oxides

Info

Publication number
ZA982704B
ZA982704B ZA982704A ZA982704A ZA982704B ZA 982704 B ZA982704 B ZA 982704B ZA 982704 A ZA982704 A ZA 982704A ZA 982704 A ZA982704 A ZA 982704A ZA 982704 B ZA982704 B ZA 982704B
Authority
ZA
South Africa
Prior art keywords
hearth furnace
rotary hearth
operating rotary
reducing oxides
oxides
Prior art date
Application number
ZA982704A
Other languages
English (en)
Inventor
Kanji Takeda
Yoshitaka Sawa
Tesuya Yamamoto
Original Assignee
Kawasaki Steel Co
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 Kawasaki Steel Co filed Critical Kawasaki Steel Co
Publication of ZA982704B publication Critical patent/ZA982704B/xx

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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • 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
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Tunnel Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA982704A 1997-09-30 1998-03-31 Method of operating rotary hearth furnace for reducing oxides ZA982704B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26540997A JP3482838B2 (ja) 1997-09-30 1997-09-30 移動型炉床炉の操業方法

Publications (1)

Publication Number Publication Date
ZA982704B true ZA982704B (en) 1998-10-05

Family

ID=17416773

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA982704A ZA982704B (en) 1997-09-30 1998-03-31 Method of operating rotary hearth furnace for reducing oxides

Country Status (10)

Country Link
US (1) US6264721B1 (ko)
EP (1) EP0976840B1 (ko)
JP (1) JP3482838B2 (ko)
KR (1) KR100402451B1 (ko)
BR (1) BR9806257A (ko)
DE (1) DE69824570T2 (ko)
ID (1) ID21848A (ko)
MY (1) MY125282A (ko)
WO (1) WO1999016912A1 (ko)
ZA (1) ZA982704B (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW502066B (en) * 1998-08-27 2002-09-11 Kobe Steel Ltd Method for operating moving hearth reducing furnace
JP3404309B2 (ja) 1999-01-18 2003-05-06 株式会社神戸製鋼所 還元鉄塊成物の製造方法および製造装置
JP3009661B1 (ja) 1999-01-20 2000-02-14 株式会社神戸製鋼所 還元鉄ペレットの製造方法
US20020053307A1 (en) * 2000-10-31 2002-05-09 Natsuo Ishiwata Method for discharging reduced product from a moveable-hearth furnace and a discharging device
AU780672B2 (en) * 2000-10-31 2005-04-07 Jfe Steel Corporation A method for discharging reduced product from a movable-hearth furnace and a discharging device
JP4266284B2 (ja) 2001-07-12 2009-05-20 株式会社神戸製鋼所 金属鉄の製法
EP1405895A1 (en) * 2002-10-04 2004-04-07 Danieli Corus Technical Services BV Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof
MX2007006785A (es) * 2004-12-07 2007-10-08 Nu Iron Technology Llc Metodo y sistema para producir pepitas de hierro metalicas.
US8097065B2 (en) 2006-10-04 2012-01-17 Nu-Iron Technology, Llc System and method for producing metallic iron
JP5042203B2 (ja) * 2008-12-15 2012-10-03 株式会社神戸製鋼所 粒状金属鉄の製法
US8518146B2 (en) 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
CN113956896A (zh) * 2020-07-20 2022-01-21 山西潞安煤基清洁能源有限责任公司 一种提高化工煤混配合格率的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1452627A (en) * 1921-01-21 1923-04-24 Edwin B Thornhill Process for the production of sponge iron and other metallic products
LU60981A1 (ko) * 1970-05-26 1971-06-24
US3770417A (en) * 1971-02-23 1973-11-06 Salem Corp Simultaneous production of metallized ores and coke
US4701214A (en) * 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
US4676741A (en) * 1986-10-22 1987-06-30 The International Metals Reclamation Company, Inc. Radiantly heated furnace
BE1008397A6 (fr) * 1994-07-13 1996-05-07 Centre Rech Metallurgique Procede pour fabriquer une eponge de fer a basse teneur en soufre.
US5567224A (en) * 1995-06-06 1996-10-22 Armco Inc. Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame

Also Published As

Publication number Publication date
DE69824570T2 (de) 2004-11-04
BR9806257A (pt) 2000-01-25
JPH11106814A (ja) 1999-04-20
WO1999016912A1 (fr) 1999-04-08
JP3482838B2 (ja) 2004-01-06
US6264721B1 (en) 2001-07-24
KR100402451B1 (ko) 2003-10-22
MY125282A (en) 2006-07-31
EP0976840A1 (en) 2000-02-02
DE69824570D1 (de) 2004-07-22
EP0976840B1 (en) 2004-06-16
EP0976840A4 (en) 2003-01-15
ID21848A (id) 1999-08-05
KR20000069180A (ko) 2000-11-25

Similar Documents

Publication Publication Date Title
EP0969105A4 (en) MOBILE SOLE OVEN FOR REDUCING OXIDES, AND METHOD OF OPERATING SAME
ZA995438B (en) Method for operating moving hearth reducing furnace.
EP0934112A4 (en) REDUCTION BY NON-CATALYTIC SELECTIVE REDUCTION OF NO X EMISSIONS FROM ROTARY DRYERS FOR CEMENT PLANT
EP1029931A4 (en) METHOD FOR HANDLING A BLAST FURNACE
ZA982704B (en) Method of operating rotary hearth furnace for reducing oxides
EP1340822A4 (en) METHOD FOR OPERATING A ROTATING REDUCTION OVEN AND DEVICES FOR ROTATING REDUCTION OVENS
EP1029212A4 (en) LOADING APPARATUS FOR ROTARY SOLE OVEN
AU1473697A (en) Shaft furnace for direct reduction of oxides
EP0969106A4 (en) MOBILE SOLE OVEN AND OPERATING METHOD THEREOF
EP0843740A4 (en) REDUCTION OF IRON OXIDES IN A ROTATING SOIL OVEN
GB9604475D0 (en) Furnace waste gas combustion control
EP0976841A4 (en) METHOD FOR OPERATING A MOBILE SOIL OVEN
EP0818543A4 (en) METHOD FOR OPERATING A SINGLE SHELL OVEN
AU2819095A (en) Method for operating a blast furnace
EP0703198A3 (en) Carbon refractory material for blast furnace and method of manufacturing such carbon refractory material
ZA982706B (en) Rotary hearth furnace for reducing oxides and operating method thereof
AU8143398A (en) Low sulfur iron reduction process using a rotary hearth furnace
EP0694619A3 (en) Blast furnace delivery method
PL325762A1 (en) Method of purifying slag in an electric furnace
AU7914400A (en) Rotary hearth furnace for heat-treating workpieces
AU7644398A (en) Furnace with rotating hearth and operating method
AU6718300A (en) Furnace for the direct reduction of iron oxides
AU6718600A (en) Furnace for the direct reduction of iron oxides
PL303952A1 (en) Method of placing refractory lining in rotary kilns
PL309128A1 (en) Method of providing rotary kilns with refractory lining