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TW200643179A - Method and apparatus for the recovery of the secondary metallurgy (LF) slag and its recycling in the steel production process by means of electric arc furnace - Google Patents

Method and apparatus for the recovery of the secondary metallurgy (LF) slag and its recycling in the steel production process by means of electric arc furnace

Info

Publication number
TW200643179A
TW200643179A TW095110274A TW95110274A TW200643179A TW 200643179 A TW200643179 A TW 200643179A TW 095110274 A TW095110274 A TW 095110274A TW 95110274 A TW95110274 A TW 95110274A TW 200643179 A TW200643179 A TW 200643179A
Authority
TW
Taiwan
Prior art keywords
slag
recovery
recycling
production process
electric arc
Prior art date
Application number
TW095110274A
Other languages
English (en)
Inventor
Francesco Memoli
Osvaldo Brioni
Ferri Mauro Bianchi
Original Assignee
Techint Spa
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 Techint Spa filed Critical Techint Spa
Publication of TW200643179A publication Critical patent/TW200643179A/zh

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/19Arrangements of devices for discharging
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • C21B3/06Treatment of liquid slag
    • C21B3/08Cooling slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/527Charging of the electric furnace
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5294General arrangement or layout of the electric melt shop
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/0033Charging; Discharging; Manipulation of charge charging of particulate material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/10Charging directly from hoppers or shoots
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/026Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/034Stirring or agitating by pressurised fluids or by moving apparatus
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/066Receptacle features where the slag is treated
    • C21B2400/072Tanks to collect the slag, e.g. water tank
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
TW095110274A 2005-04-01 2006-03-24 Method and apparatus for the recovery of the secondary metallurgy (LF) slag and its recycling in the steel production process by means of electric arc furnace TW200643179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20050538 ITMI20050538A1 (it) 2005-04-01 2005-04-01 Metodo e apparato per il recupero della scoria di metallurgia secondaria -lf-e suo riciclo nel processo produttivo di acciaio tramite forno ad arco elettrico

Publications (1)

Publication Number Publication Date
TW200643179A true TW200643179A (en) 2006-12-16

Family

ID=36950539

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095110274A TW200643179A (en) 2005-04-01 2006-03-24 Method and apparatus for the recovery of the secondary metallurgy (LF) slag and its recycling in the steel production process by means of electric arc furnace

Country Status (10)

Country Link
US (1) US7854785B2 (zh)
EP (1) EP1863942A2 (zh)
JP (1) JP5215168B2 (zh)
AR (1) AR052733A1 (zh)
BR (1) BRPI0608677A2 (zh)
CA (1) CA2602744A1 (zh)
IT (1) ITMI20050538A1 (zh)
MX (1) MX2007012034A (zh)
TW (1) TW200643179A (zh)
WO (1) WO2006103114A2 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080210718A1 (en) * 2007-01-25 2008-09-04 General Kinematics Corporation Fluid-Cooled Vibratory Apparatus, System and Method for Cooling
KR20120114255A (ko) * 2009-12-10 2012-10-16 신토고교 가부시키가이샤 분립체의 흡인 장치, 분립체의 흡인 시스템 및 흡인 방법
CZ304951B6 (cs) 2013-07-08 2015-02-04 Ecofer, S.R.O. Tavidlo pro aglomeraci, způsob výroby tavidla, aglomerační směs pro výrobu aglomerátu a použití strusek sekundární metalurgie jako tavidel pro přípravu aglomerační směsi
WO2015114545A1 (en) * 2014-01-31 2015-08-06 Saudi Basic Industries Corporation Use of ladle furnace slag from al-killed steel in si-killed steelmaking as calcium aluminate flux
PL2975140T3 (pl) * 2014-06-04 2020-01-31 Ecofirm S.R.O. Sposób recyklingu żużla wtórnego podczas pierwotnego wytopu żelaza
AU2017205988A1 (en) * 2016-01-06 2018-07-19 Oren Technologies, Llc Conveyor with integrated dust collector system
CN107012295B (zh) * 2017-04-24 2022-09-16 鞍钢股份有限公司 一种钢包精炼脱硫的送料装置及方法
TWI707954B (zh) * 2020-03-03 2020-10-21 中國鋼鐵股份有限公司 渣鋼/渣鐵的回收方法
IT202000007093A1 (it) 2020-04-03 2021-10-03 Massimiliano Perizzolo Impianto e procedimento per il trattamento e recupero di scoria bianca risultante da processi siderurgici
CN115786639A (zh) * 2022-12-12 2023-03-14 轩振博 一种热态冶金固废二次利用的方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230290A (en) 1975-09-04 1977-03-07 Kawasaki Heavy Ind Ltd Apparatus for treatment of fused melt
JPS5371696A (en) * 1976-12-09 1978-06-26 Nippon Steel Corp Improving method for blocking yield of steel-making slag
JPS56113989A (en) * 1980-02-15 1981-09-08 Nippon Kokan Kk Method of treating metallurgical molten slag
JPS5839715A (ja) * 1981-09-02 1983-03-08 Sumitomo Metal Ind Ltd 製鋼スラグの回収方法
DE3626772A1 (de) 1986-08-07 1988-02-11 Thyssen Stahl Ag Verfahren und vorrichtung zur herstellung von strassenbaustoffen und waermerueckgewinnung aus metallurgischen schlacken
JP2572323B2 (ja) * 1991-10-28 1997-01-16 濱田重工株式会社 鋼滓の処理方法及び鋼滓の処理設備
JPH0692696A (ja) * 1992-09-07 1994-04-05 Kawasaki Steel Corp 製鋼スラグの改質方法
JP2709554B2 (ja) * 1992-11-12 1998-02-04 新日本製鐵株式会社 溶鋼の取鍋電極加熱精錬法
JP3292758B2 (ja) * 1993-03-30 2002-06-17 新日本製鐵株式会社 製鋼スラグの鉄分回収方法およびスラグのリサイクル方法および装置
DE19522320C1 (de) * 1995-06-20 1996-08-22 Joseph E Doumet Verfahren und Vorrichtung zum Abkühlen und Verfestigen von glühendflüssiger Hochofenschlacke
JP3827114B2 (ja) * 1997-12-29 2006-09-27 株式会社アステック入江 精錬炉から発生するスラグの処理方法及び装置
JP3091177B2 (ja) * 1998-04-28 2000-09-25 共英製鋼株式会社 製鋼還元スラグの改質方法
JP2000119731A (ja) * 1998-10-07 2000-04-25 Nippon Steel Corp 溶鉄の精錬方法
JP4210011B2 (ja) * 1999-11-10 2009-01-14 新日本製鐵株式会社 転炉を用いた溶銑の脱燐方法
JP3219749B2 (ja) * 2000-01-17 2001-10-15 日本磁力選鉱株式会社 焼結型溶接フラックススラグの再生方法
JP2001262217A (ja) * 2000-03-17 2001-09-26 Oji Steel Co Ltd 電気炉還元スラグの処理方法及び装置
US7377955B1 (en) * 2000-11-13 2008-05-27 Daniel Jonathan Shaw Method and apparatus for treatment of metallurgical slag and the like
JP2002356724A (ja) * 2001-03-30 2002-12-13 Sumitomo Metal Ind Ltd 希土類磁石合金スラグの再生法及び希土類磁石合金の製造法
JP2004316985A (ja) * 2003-04-14 2004-11-11 Jfe Engineering Kk 溶融スラグの冷却固化装置
JP3965139B2 (ja) * 2003-08-19 2007-08-29 新日本製鐵株式会社 製鋼スラグの改質方法
JP4216160B2 (ja) * 2003-10-14 2009-01-28 三菱マテリアル株式会社 産業廃棄物処理装置

Also Published As

Publication number Publication date
MX2007012034A (es) 2008-03-10
CA2602744A1 (en) 2006-10-05
ITMI20050538A1 (it) 2006-10-02
WO2006103114A3 (en) 2007-03-22
WO2006103114A2 (en) 2006-10-05
EP1863942A2 (en) 2007-12-12
US7854785B2 (en) 2010-12-21
BRPI0608677A2 (pt) 2016-08-23
WO2006103114A8 (en) 2008-02-14
US20090049955A1 (en) 2009-02-26
JP5215168B2 (ja) 2013-06-19
AR052733A1 (es) 2007-03-28
JP2008534781A (ja) 2008-08-28

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