IT202000000793A1 - Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico - Google Patents

Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico

Info

Publication number
IT202000000793A1
IT202000000793A1 IT102020000000793A IT202000000793A IT202000000793A1 IT 202000000793 A1 IT202000000793 A1 IT 202000000793A1 IT 102020000000793 A IT102020000000793 A IT 102020000000793A IT 202000000793 A IT202000000793 A IT 202000000793A IT 202000000793 A1 IT202000000793 A1 IT 202000000793A1
Authority
IT
Italy
Prior art keywords
perfected
preheating
installation
electric melting
metal charge
Prior art date
Application number
IT102020000000793A
Other languages
English (en)
Inventor
Cesare Giavani
Silvio Maria Reali
Original Assignee
Tenova 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 Tenova Spa filed Critical Tenova Spa
Priority to IT102020000000793A priority Critical patent/IT202000000793A1/it
Priority to US17/758,367 priority patent/US20230032262A1/en
Priority to JP2022543025A priority patent/JP2023510370A/ja
Priority to CN202080093174.0A priority patent/CN114929904A/zh
Priority to EP20824354.3A priority patent/EP4090778A1/en
Priority to PCT/IB2020/061879 priority patent/WO2021144637A1/en
Publication of IT202000000793A1 publication Critical patent/IT202000000793A1/it

Links

Classifications

    • 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
    • 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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/008—Flow control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/002—Regulating air supply or draught using electronic means
    • 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
    • F27B3/18—Arrangements of devices for charging
    • 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
    • F27D13/002—Preheating 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
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • F27D7/02—Supplying steam, vapour, gases, or liquids
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2900/00—Special features of, or arrangements for controlling combustion
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0038—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising shakers
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
IT102020000000793A 2020-01-17 2020-01-17 Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico IT202000000793A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT102020000000793A IT202000000793A1 (it) 2020-01-17 2020-01-17 Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico
US17/758,367 US20230032262A1 (en) 2020-01-17 2020-12-14 Improved process and plant for preheating a metal charge fed in continuous to an electric melting furnace
JP2022543025A JP2023510370A (ja) 2020-01-17 2020-12-14 電気溶融炉に連続供給される金属装入物を予熱するための改良されたプロセス及びプラント
CN202080093174.0A CN114929904A (zh) 2020-01-17 2020-12-14 用于预热连续送入电熔炉的金属炉料的改进工艺和设备
EP20824354.3A EP4090778A1 (en) 2020-01-17 2020-12-14 Improved process and plant for preheating a metal charge fed in continuous to an electric melting furnace
PCT/IB2020/061879 WO2021144637A1 (en) 2020-01-17 2020-12-14 Improved process and plant for preheating a metal charge fed in continuous to an electric melting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000000793A IT202000000793A1 (it) 2020-01-17 2020-01-17 Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico

Publications (1)

Publication Number Publication Date
IT202000000793A1 true IT202000000793A1 (it) 2021-07-17

Family

ID=70295792

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102020000000793A IT202000000793A1 (it) 2020-01-17 2020-01-17 Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico

Country Status (6)

Country Link
US (1) US20230032262A1 (it)
EP (1) EP4090778A1 (it)
JP (1) JP2023510370A (it)
CN (1) CN114929904A (it)
IT (1) IT202000000793A1 (it)
WO (1) WO2021144637A1 (it)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US540358A (en) 1895-06-04 Electric switch
US5183143A (en) 1991-05-31 1993-02-02 Triple/S Dynamics, Inc. Apparatus and methods for conveying materials
US5400358A (en) * 1992-10-13 1995-03-21 Consteel, S.A. Continuous scrap preheating
US20070101821A1 (en) * 2003-11-27 2007-05-10 Danieli & C. Officine Meccaniche Spa Method for pre-heating, transforming and melting a metal charge and relative plant
WO2012007105A1 (en) 2010-07-14 2012-01-19 Tenova S.P.A. Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444557A (en) * 1981-12-18 1984-04-24 Kurosaki Furnace Industries Company Limited Continuous combustion furnace
EP1877236A1 (en) * 2005-05-02 2008-01-16 DR-Pack II. KFT Process and apparatus for heat transfer
ITMI20051338A1 (it) * 2005-07-14 2007-01-15 Techint Spa Apparato per la combustione di gas in uscita da un forno per il preriscaldo di rottami in ingresso al forno stesso e relativo procedimento
LU91408B1 (en) * 2008-01-11 2009-07-13 Wurth Paul Sa Cooling of a metallurgical smelting reduction vessel
CN209013184U (zh) * 2018-09-12 2019-06-21 段景峰 一种生物质粉末可控湍流预混燃烧锅炉

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US540358A (en) 1895-06-04 Electric switch
US5183143A (en) 1991-05-31 1993-02-02 Triple/S Dynamics, Inc. Apparatus and methods for conveying materials
US5400358A (en) * 1992-10-13 1995-03-21 Consteel, S.A. Continuous scrap preheating
US20070101821A1 (en) * 2003-11-27 2007-05-10 Danieli & C. Officine Meccaniche Spa Method for pre-heating, transforming and melting a metal charge and relative plant
WO2012007105A1 (en) 2010-07-14 2012-01-19 Tenova S.P.A. Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form

Also Published As

Publication number Publication date
JP2023510370A (ja) 2023-03-13
CN114929904A (zh) 2022-08-19
WO2021144637A1 (en) 2021-07-22
EP4090778A1 (en) 2022-11-23
US20230032262A1 (en) 2023-02-02

Similar Documents

Publication Publication Date Title
EP3370024A4 (en) ELECTRIC ARC FURNACE OF THE STEEL SCRATTOR WARMING TYPE AND METHOD FOR IMPROVING THE HEATING OF A COLD RANGE OF A SIDEDWALL CHARACTERIZED ELECTRIC ARC
EP3985858A4 (en) POWER SUPPLY DEVICE AND METHOD OF POWER SUPPLY FOR A DIRECT CURRENT ARC FURNACE
MX371163B (es) Metodos para mejorar la trabajabilidad en caliente de aleaciones metalicas.
MX345152B (es) Instalación para la producción de acero.
EP2786830A1 (en) Submerged arc welding method for steel sheets
IT202000000793A1 (it) Procedimento ed impianto perfezionati per preriscaldare una carica metallica alimentata in continuo ad un forno fusorio elettrico
JP2016101593A5 (it)
CN104673988A (zh) 一种感应加热退火机床
CN108126982B (zh) 一种脉冲电流异步轧制制备高性能复合带材的方法
EP3705586A4 (en) ELECTRIC FURNACE AND PROCESS FOR MELTING AND REDUCING IRON RAW MATERIALS CONTAINING IRON
JP5819156B2 (ja) Ｍｇ合金板のＶ曲げ加工を行なうプレス曲げ装置およびプレス曲げ方法
IN2014CN02438A (it)
CN106229058A (zh) 一种强导电耐温升铜铝界面合金复合管母线
CN103021561A (zh) 铜包铝母线坯料的感应加热制备工艺
KR102355131B9 (ko) 수소화물 매개 금속 열 환원 공정에 의한 금속 나노분말 제조 방법
HUE064088T2 (hu) Berendezés fémbetét adagolására és elõmelegítésére olvasztókemencében
CN102856766B (zh) 一种冷压端子的生产方法及装置
RU2515864C1 (ru) Способ удаления грата после контактной стыковой сварки оплавлением изделий круглого сечения
CN103290204A (zh) 一种碳素钢、低合金钢大单重复合坯料的加热工艺
JP2012206166A (ja) 表面処理鋼帯のプレス成形方法およびプレス成形設備
EP3963313A4 (en) ELECTRIC INDUCTION AND MELTING FURNACE REFRACTORY ELEMENT LIFE CYCLE WEAR IMAGING AND TREATMENT
CN108890109B (zh) 一种用于电缆桥架的齿形多极点t型连接凸焊方法
RU2430977C1 (ru) Способ нагрева заготовок на сортовых и проволочных станах
EP4029954A4 (en) METHOD OF PRODUCTION OF MELTED IRON WITH ELECTRIC FURNACE
CN102728936B (zh) 一种用于优钢连轧时的焊接方法