PL4031823T3 - Metoda mieszania ciekłego metalu w elektrycznym piecu łukowym - Google Patents

Metoda mieszania ciekłego metalu w elektrycznym piecu łukowym

Info

Publication number
PL4031823T3
PL4031823T3 PL20785856.4T PL20785856T PL4031823T3 PL 4031823 T3 PL4031823 T3 PL 4031823T3 PL 20785856 T PL20785856 T PL 20785856T PL 4031823 T3 PL4031823 T3 PL 4031823T3
Authority
PL
Poland
Prior art keywords
liquid metal
electric arc
arc furnace
mixing liquid
mixing
Prior art date
Application number
PL20785856.4T
Other languages
English (en)
Inventor
Damiano PATRIZIO
Andrea Codutti
Paolo Burin
Romano Sellan
Nicola GAGLIARDI
Original Assignee
Danieli & C. Officine Meccaniche S.P.A.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=69191177&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL4031823(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Danieli & C. Officine Meccaniche S.P.A. filed Critical Danieli & C. Officine Meccaniche S.P.A.
Publication of PL4031823T3 publication Critical patent/PL4031823T3/pl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/451—Magnetic mixers; Mixers with magnetically driven stirrers wherein the mixture is directly exposed to an electromagnetic field without use of a stirrer, e.g. for material comprising ferromagnetic particles or for molten metal
    • 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
    • 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
    • C21C5/5241—Manufacture of steel in electric furnaces in an inductively heated furnace
    • C21C5/5247—Manufacture of steel in electric furnaces in an inductively heated furnace processing a moving metal stream while exposed to an electromagnetic field, e.g. in an electromagnetic counter current channel
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type 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
    • F27D27/00—Stirring devices for molten material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/45—Mixing in metallurgical processes of ferrous or non-ferrous materials
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0054—Means to move molten metal, e.g. electromagnetic pump
    • 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
    • F27D2003/0054—Means to move molten metal, e.g. electromagnetic pump
    • F27D2003/0055—Means to move molten metal, e.g. electromagnetic pump with flow regulation
    • 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
    • F27D2003/0083—Means for stirring the charge
    • 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)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Furnace Details (AREA)
PL20785856.4T 2019-09-19 2020-09-15 Metoda mieszania ciekłego metalu w elektrycznym piecu łukowym PL4031823T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000016790A IT201900016790A1 (it) 2019-09-19 2019-09-19 Metodo di agitazione di metallo liquido in un forno elettrico ad arco
PCT/IT2020/050223 WO2021053701A1 (en) 2019-09-19 2020-09-15 Method of stirring liquid metal in an electric arc furnace

Publications (1)

Publication Number Publication Date
PL4031823T3 true PL4031823T3 (pl) 2024-10-21

Family

ID=69191177

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20785856.4T PL4031823T3 (pl) 2019-09-19 2020-09-15 Metoda mieszania ciekłego metalu w elektrycznym piecu łukowym

Country Status (11)

Country Link
US (1) US12065709B2 (pl)
EP (1) EP4031823B1 (pl)
JP (1) JP7345643B2 (pl)
KR (1) KR102624545B1 (pl)
CN (1) CN114729781B8 (pl)
CA (1) CA3154986C (pl)
ES (1) ES2982409T3 (pl)
IT (1) IT201900016790A1 (pl)
MX (1) MX2022003247A (pl)
PL (1) PL4031823T3 (pl)
WO (1) WO2021053701A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023016663A1 (en) * 2021-08-13 2023-02-16 Abb Schweiz Ag Electromagnetic stirring apparatus for a metal furnace and method of operation thereof
JPWO2025062841A1 (pl) * 2023-09-19 2025-03-27
CN118388113B (zh) * 2024-06-26 2024-10-22 安徽顺鼎阿泰克科技有限公司 一种用于熔制玻璃态物料的浸没式燃烧窑炉及其加热方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB725518A (en) 1952-09-17 1955-03-02 Asea Ab Metallurgical melting furnace or hot metal mixer with electromagnetic stirring
BE522779A (pl) * 1952-09-20
JPS495691B1 (pl) * 1965-03-23 1974-02-08
JPS4321239Y1 (pl) 1966-04-15 1968-09-06
JPS5440957B2 (pl) 1972-04-12 1979-12-06
JPS5853356A (ja) * 1981-09-24 1983-03-29 Shinko Electric Co Ltd 溶湯撹拌用誘導子の制御方法
US4564388A (en) 1984-08-02 1986-01-14 Intersteel Technology, Inc. Method for continuous steelmaking
JPS6273591A (ja) * 1985-09-27 1987-04-04 株式会社神戸製鋼所 炉内溶湯撹拌装置
JPH05179371A (ja) * 1991-12-27 1993-07-20 Nippon Steel Corp 溶融金属の精錬方法
JP5070915B2 (ja) * 2007-04-13 2012-11-14 コニカミノルタビジネステクノロジーズ株式会社 イメージングユニットおよび画像形成装置
KR101420067B1 (ko) 2010-09-14 2014-07-18 에이비비 리써치 리미티드 전기 아크로에서 전자기 교반하는 장치 및 방법
JP5620030B2 (ja) 2011-07-18 2014-11-05 エー ビー ビー リサーチ リミテッド 熔融プロセスを制御するための方法及び制御システム
BR112014004377B1 (pt) * 2011-08-29 2018-06-12 Abb Research Ltd. Método e arranjo para redução de vórtice em um processo de produção de metal
JP5977080B2 (ja) 2012-05-23 2016-08-24 株式会社 東北テクノアーチ 金属材料の溶解装置および金属材料の溶解方法
GB201305822D0 (en) * 2013-03-28 2013-05-15 Pavlov Evgeny Improvements in and relating to apparatus and methods
SE1300434A1 (sv) 2013-06-17 2013-06-20 Abb Technology Ltd En anordning för elektromagnetisk omrörning av smältan i en elektrisk ljusbågsugn
WO2018145754A1 (en) * 2017-02-10 2018-08-16 Abb Schweiz Ag Furnace assembly for a metal-making process

Also Published As

Publication number Publication date
CA3154986A1 (en) 2021-03-25
EP4031823A1 (en) 2022-07-27
JP2022549191A (ja) 2022-11-24
WO2021053701A1 (en) 2021-03-25
KR102624545B1 (ko) 2024-01-15
CN114729781B (zh) 2024-10-15
US20220333219A1 (en) 2022-10-20
CN114729781B8 (zh) 2024-11-15
US12065709B2 (en) 2024-08-20
IT201900016790A1 (it) 2021-03-19
JP7345643B2 (ja) 2023-09-15
ES2982409T3 (es) 2024-10-16
CA3154986C (en) 2024-06-25
EP4031823B1 (en) 2024-06-19
EP4031823C0 (en) 2024-06-19
KR20220079869A (ko) 2022-06-14
MX2022003247A (es) 2022-05-25
CN114729781A (zh) 2022-07-08

Similar Documents

Publication Publication Date Title
DK3518622T3 (da) Indretning og fremgangsmåde til elektrisk strømforsyning af en lysbueovn
ZA201908145B (en) Joint of copper terminal and aluminium conductor and plasma welding method therefor
EP3351339A4 (en) Welded structure of metal member and welding method
GB201902233D0 (en) Vortex mixing method for smelting reduction of iron
PL3784970T3 (pl) Sposób elektrycznego zasilania pieca elektrycznego i odpowiednie urządzenie
EP3295209A4 (en) Method and apparatus for measuring the length of an electrode in an electric arc furnace
EP3380102A4 (en) TELOMER EXTENSION AND ANTI-INFLAMMATORY AGENT FOR CELL REGENERATION
IT201900025441A1 (it) Metodo di fusione in un forno elettrico ad arco e apparato di fusione
KR102225816B9 (ko) 스크랩 용해율과 잔탕량을 측정하는 전기로 제강 조업 장치 및 이를 이용한 제강 조업 방법
EP3974094A4 (en) Arc welding method and arc welding device
EP4031823C0 (en) PROCESS FOR STIRRING LIQUID METAL IN AN ELECTRIC ARC FURNACE
PL3091092T3 (pl) Sposób wytwarzania stali w piecu łukowym i piec łukowy
ZA201903141B (en) Molten metal samplers for high and low oxygen applications
PL4005072T3 (pl) Maszyna elektryczna i sposób wykonania
DK3482869T3 (da) Plasmabuesvejsebrænderelektrode og dens fremstillingsmetode
ITUA20161340A1 (it) Procedimento e dispositivo destinati ad individuare un arco elettrico
EP3336204A4 (de) Verfahren zur herstellung von stahl in einem elektrolichtbogenofen
PL3086069T3 (pl) Piec do topienia i obróbki metalu i odpadów metalu oraz jego sposób
EP3987148B1 (en) ELECTRICAL CROSSING SYSTEM AND ASSOCIATED METHODS OF USE
ZA201902908B (en) Method for controlling the electric arc in an electric arc furnace and electric arc furnace
DK3380386T3 (da) Sporskiftemaskine og elektrisk afbryder med hurtigforbindelse og fremgangsmåde til at betjene sporskiftemaskinen
ZA201806812B (en) An arc smelting system and method of monitoring the length of an electrode in said system
GB2573139B (en) Zero crossing contactor and method of operating
EP3539707A4 (en) DISPLAY DEVICE AND ARC WELDING DISPLAY METHOD
SE1750017A1 (sv) Method and arrangement for metal hardening