ZA200710578B - Method of pretreating material that is fed into a smelting furnace, and a preheating system - Google Patents

Method of pretreating material that is fed into a smelting furnace, and a preheating system Download PDF

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Publication number
ZA200710578B
ZA200710578B ZA200710578A ZA200710578A ZA200710578B ZA 200710578 B ZA200710578 B ZA 200710578B ZA 200710578 A ZA200710578 A ZA 200710578A ZA 200710578 A ZA200710578 A ZA 200710578A ZA 200710578 B ZA200710578 B ZA 200710578B
Authority
ZA
South Africa
Prior art keywords
gas
preheating
fed
silo
heating unit
Prior art date
Application number
ZA200710578A
Other languages
English (en)
Inventor
Louhelainen Harri
Roennberg Tom
Ollila Janne
Original Assignee
Outotec Oyj
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 Outotec Oyj filed Critical Outotec Oyj
Publication of ZA200710578B publication Critical patent/ZA200710578B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/19—Arrangements of devices for discharging
    • 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
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/562—Manufacture of steel by other methods starting from scrap
    • C21C5/565—Preheating of scrap
    • 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
    • F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
    • F27D17/003—Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2100/00—Exhaust gas
    • C21C2100/06—Energy from waste gas used in other processes
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
ZA200710578A 2006-12-15 2007-12-05 Method of pretreating material that is fed into a smelting furnace, and a preheating system ZA200710578B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20061123A FI20061123L (sv) 2006-12-15 2006-12-15 Förfarande för förbehandling av ett material att inmatas i en smältugn och föruppvärmningssystem

Publications (1)

Publication Number Publication Date
ZA200710578B true ZA200710578B (en) 2008-11-26

Family

ID=37623749

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200710578A ZA200710578B (en) 2006-12-15 2007-12-05 Method of pretreating material that is fed into a smelting furnace, and a preheating system

Country Status (3)

Country Link
FI (1) FI20061123L (sv)
WO (1) WO2008087244A1 (sv)
ZA (1) ZA200710578B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10356852B2 (en) 2014-01-31 2019-07-16 Danieli & C. Officine Meccaniche Spa Plant and method for melting metal materials
CN103884193A (zh) * 2014-04-08 2014-06-25 南京凯盛国际工程有限公司 一种组合可调式撒料装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375958A (en) * 1980-06-06 1983-03-08 Nippon Kokan Kabushiki Kaisha Method for preheating steel scrap by exhaust gas from steelmaking electric furnace
US4478574A (en) * 1981-08-31 1984-10-23 Kawasaki Jukogyo Kabushiki Kaisha Scrap preheating system for an electric furnace
FI71008C (fi) * 1984-06-27 1986-10-27 Outokumpu Oy Saett och anordning foer foerberedning av en chargeblandning avsedd att inmatas i en smaeltugn
FI105236B (sv) * 1998-06-15 2000-06-30 Outokumpu Oy Matningsapparatur för förbehandling av material som skall tillföras en smältugn
ATE377741T1 (de) * 2001-07-24 2007-11-15 Elti Srl Verfahren zur vorbereitung von im elektroofen zuzuführenden eisenschrott und vorrichtung zur durchführung des verfahrens

Also Published As

Publication number Publication date
WO2008087244A1 (en) 2008-07-24
FI20061123A0 (sv) 2006-12-15
FI20061123L (sv) 2008-06-16

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