IT1090204B - Perfezionamento nelle lance per l'immissione di fluidi sotto la superficie di una massa di metallo fuso - Google Patents

Perfezionamento nelle lance per l'immissione di fluidi sotto la superficie di una massa di metallo fuso

Info

Publication number
IT1090204B
IT1090204B IT51035/77A IT5103577A IT1090204B IT 1090204 B IT1090204 B IT 1090204B IT 51035/77 A IT51035/77 A IT 51035/77A IT 5103577 A IT5103577 A IT 5103577A IT 1090204 B IT1090204 B IT 1090204B
Authority
IT
Italy
Prior art keywords
lances
improvement
mass
input
fluids under
Prior art date
Application number
IT51035/77A
Other languages
English (en)
Original Assignee
Armco Steel Corp
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 Armco Steel Corp filed Critical Armco Steel Corp
Application granted granted Critical
Publication of IT1090204B publication Critical patent/IT1090204B/it

Links

Classifications

    • 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
    • C21C5/5211Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the 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
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/48Bottoms or tuyéres of converters
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Charging Or Discharging (AREA)
IT51035/77A 1976-09-20 1977-09-15 Perfezionamento nelle lance per l'immissione di fluidi sotto la superficie di una massa di metallo fuso IT1090204B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/725,028 US4023676A (en) 1976-09-20 1976-09-20 Lance structure and method for oxygen refining of molten metal

Publications (1)

Publication Number Publication Date
IT1090204B true IT1090204B (it) 1985-06-26

Family

ID=24912850

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51035/77A IT1090204B (it) 1976-09-20 1977-09-15 Perfezionamento nelle lance per l'immissione di fluidi sotto la superficie di una massa di metallo fuso

Country Status (6)

Country Link
US (1) US4023676A (it)
JP (1) JPS5352210A (it)
DE (1) DE2741850A1 (it)
FR (1) FR2364971A1 (it)
GB (1) GB1566628A (it)
IT (1) IT1090204B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045966A1 (de) * 1980-12-05 1982-07-08 Korf Industrie Und Handel Gmbh + Co Kg, 7570 Baden-Baden Verfahren zum schutz der duesen und der feuerfesten auskleidung eines gefaesses zum frischen einer metallschmelze
US4405365A (en) * 1982-08-30 1983-09-20 Pennsylvania Engineering Corporation Method for the fabrication of special steels in metallurgical vessels
FR2547395A1 (fr) * 1983-06-13 1984-12-14 Nikko Kk Dispositif bruleur pour four de fusion metallurgique
GB8509629D0 (en) * 1985-04-15 1985-05-22 British Steel Corp Melting ferrous solids
US4795138A (en) * 1987-11-18 1989-01-03 L-Tec Company Metallurgical tuyere and method of calibrating same
EP0493476B1 (en) * 1989-09-29 1998-12-02 Ausmelt Limited Top submerged injection with a shrouded lance
US5505762A (en) * 1991-04-23 1996-04-09 Commonwealth Scientific And Industrial Research Organisation Lance for immersion in a pyrometallurgical bath and method involving the lance
IN181041B (it) * 1991-09-20 1998-04-18 Ausmelt Ltd
AUPO095996A0 (en) * 1996-07-12 1996-08-01 Technological Resources Pty Limited A top injection lance
DE19638148A1 (de) * 1996-09-18 1998-03-19 Linde Ag Sauerstofflanze und Verfahren zum Verblasen von flüssigem Metall
RU2244019C1 (ru) * 2003-06-16 2005-01-10 Открытое акционерное общество "АВИСМА титано-магниевый комбинат" Фурменное устройство для подачи газов в тепловой агрегат и способ его монтажа
RU2233891C1 (ru) * 2003-06-19 2004-08-10 Хлопонин Виктор Николаевич Способ боковой подачи газа под уровень жидкого металла ванны электродуговой печи
WO2006024128A1 (en) * 2004-09-01 2006-03-09 Hatch Ltd. Composite sparger
US7976774B2 (en) * 2004-09-01 2011-07-12 Hatch Ltd. Composite sparger
PL2726803T3 (pl) 2011-06-30 2017-09-29 Outotec (Finland) Oy Lance do wdmuchiwania w zanurzeniu od góry
BR112014004599B8 (pt) 2011-09-02 2023-03-28 Outotec Oyj Lança para conduzir uma operação pirometalúrgica através de injeção por lança de topo submersa
KR101248940B1 (ko) * 2011-09-19 2013-04-01 한국수력원자력 주식회사 용융로의 산소공급 장치
PE20141641A1 (es) 2011-11-30 2014-11-18 Outotec Oyj Lanzas refrigeradas para fluido para inyeccion sumergida por la parte superior
AU2013204818B2 (en) 2013-04-12 2015-02-19 Metso Metals Oy Molten bath temperature measurement for a top submerged lance injection installation
CN105612263B (zh) 2013-10-16 2019-02-19 奥图泰(芬兰)公司 用于增强浸没式燃烧的顶部浸没式喷射喷枪
WO2015056142A1 (en) 2013-10-16 2015-04-23 Outotec (Finland) Oy Top submerged injection lance for enhanced heat transfer
RU2756679C1 (ru) * 2021-04-27 2021-10-04 Юрий Александрович Пузырев Способ комбинированной продувки расплава в конвертере

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE781241A (fr) * 1971-05-28 1972-07-17 Creusot Loire Procede d'affinage des aciers allies contenant du chrome et plus specialement des aciers inoxydables
BE776428A (fr) * 1971-12-08 1972-04-04 Metallurg Ct Voor De Researchi Perfectionnements aux dispositifs d'insufflation d'oxygene par le fond d'un convertisseur metallurgique.
DE2324086C3 (de) * 1973-05-12 1985-05-09 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Düse zum Einleiten von Frischgas
FR2238395A5 (it) * 1973-07-17 1975-02-14 Est Aciers Fins
AR207871A1 (es) * 1974-08-08 1976-11-08 Maximilianshuette Eisenwerk Tobera de inyeccion de gas reactivo en recipientes de fusion o de afino para metales

Also Published As

Publication number Publication date
FR2364971A1 (fr) 1978-04-14
DE2741850A1 (de) 1978-03-23
US4023676A (en) 1977-05-17
JPS5352210A (en) 1978-05-12
GB1566628A (en) 1980-05-08
FR2364971B1 (it) 1980-10-17

Similar Documents

Publication Publication Date Title
IT1090204B (it) Perfezionamento nelle lance per l'immissione di fluidi sotto la superficie di una massa di metallo fuso
IT1129621B (it) Dispositivo per mantenere un rivestimento a contatto con le pareti di un'opera civile
IT1084375B (it) Procedimento per l'2ntroduzione continua di additivi in un recipiente pieno di metallo fuso.
IT1082538B (it) Opercolo per l'otturazione di flaconi e simili
PT67352B (fr) Procedes pour la preparation d'acides thiazolidinacarboxidiques et acides en rapportes
RO75967A (ro) Inel de ureche pentru animale
IT8421171A1 (it) "Procedimento per addurre una massa metallica fusa"
IT1131017B (it) Riduttore di velocita' ad avviamento regolato
IT7919387A0 (it) Procedimento per l'iniezione di un materiale in polvere in un bagno metallurgico fuso.
IT1159141B (it) Apparecchiatura per determinare la velocita' di un flusso liquido di goccioline
BE852177A (fr) Appareil et procedes pour l'extrusion continue d'une piece a travailler
IT1081440B (it) Impianto per l'avanzamento di una forma di colata
FR2322186A1 (fr) Composition et procede pour la protection d'une surface metallique
BE854011A (fr) Perfectionnement a la phosphatation d'un support metallique
IT7822776A0 (it) Dispositivo per misurare l'angolo di inclinazione di una superficie di un pezzo in lavorazione.
JPS57158322A (en) Manufacture of oriented silicon steel
IT1182715B (it) Procedimento per la produzione di un detergente e detergente cosi' ottenuto
FR2569999B1 (fr) Ajutage pour emploi dans un dispositif de formation de fines pellicules
IT1229881B (it) Dispositivo per l'introduzione di un gas di trattamento nella massa fusa di un crogiolo metallurgico.
IT1077467B (it) Procedimento e dispositivo per la rimozione di irregolarita' dalla superficie di un pezzo in lavorazione
IT8109432A0 (it) Lancia ad immersione per l'introduzione di sostanza solida a grana fine in una massa fusa di metallo
FR2353359A1 (fr) Procede d'usinage de la surface d'une ebauche et dispositif pour l'execution de ce procede
SU534497A1 (ru) Способ выплавки легированной стали
JPS5335713A (en) Magnesiaachromium direct bond brick
JPS5234505A (en) Afforestation method of inclined surface