IT8320765A0 - Procedimento per migliorare la durata di vita di elementi refrattari permeabili situati sul fondo dei recipienti metallurgici di affinazione, in particolare dei convertitori di acciaieria a soffiaggio d'ossigeno dall'alto. - Google Patents

Procedimento per migliorare la durata di vita di elementi refrattari permeabili situati sul fondo dei recipienti metallurgici di affinazione, in particolare dei convertitori di acciaieria a soffiaggio d'ossigeno dall'alto.

Info

Publication number
IT8320765A0
IT8320765A0 IT8320765A IT2076583A IT8320765A0 IT 8320765 A0 IT8320765 A0 IT 8320765A0 IT 8320765 A IT8320765 A IT 8320765A IT 2076583 A IT2076583 A IT 2076583A IT 8320765 A0 IT8320765 A0 IT 8320765A0
Authority
IT
Italy
Prior art keywords
lifespan
vessels
improving
procedure
elements located
Prior art date
Application number
IT8320765A
Other languages
English (en)
Other versions
IT8320765A1 (it
IT1194212B (it
Inventor
Guy Denier
Romain Henrion
Original Assignee
Siderurgie Fse Inst Rech
Arbed
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 Siderurgie Fse Inst Rech, Arbed filed Critical Siderurgie Fse Inst Rech
Publication of IT8320765A0 publication Critical patent/IT8320765A0/it
Publication of IT8320765A1 publication Critical patent/IT8320765A1/it
Application granted granted Critical
Publication of IT1194212B publication Critical patent/IT1194212B/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
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/44Refractory linings
    • 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
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/16Making or repairing linings ; Increasing the durability of linings; Breaking away linings
    • 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
    • C21C5/30Regulating or controlling the blowing
    • C21C5/35Blowing from above and through the bath
    • 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
    • C21C5/36Processes yielding slags of special composition
    • 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
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • 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
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/0003Linings or walls
    • F27D1/003Linings or walls comprising porous bricks
    • 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
    • F27D3/16Introducing a fluid jet or current into the charge
    • F27D2003/161Introducing a fluid jet or current into the charge through a porous element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27MINDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00Type of treatment of the charge
    • F27M2003/02Preheating, e.g. in a laminating line
    • F27M2003/025Drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
IT20765/83A 1982-04-22 1983-04-22 Procedimento per migliorare la durata di vita di elementi refrattari permeabili situati sul fondo dei recipienti metallurgici di affinazione,in particolare dei convertitori di acciaieria a soffiaggio d'ossigeno dall'alto IT1194212B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8207118A FR2525633A1 (fr) 1982-04-22 1982-04-22 Procede pour ameliorer la duree de vie d'elements refractaires permeables loges dans le fond des recipients metallurgiques d'affinage, notamment des convertisseurs d'acierie a soufflage d'oxygene par le haut

Publications (3)

Publication Number Publication Date
IT8320765A0 true IT8320765A0 (it) 1983-04-22
IT8320765A1 IT8320765A1 (it) 1984-10-22
IT1194212B IT1194212B (it) 1988-09-14

Family

ID=9273360

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20765/83A IT1194212B (it) 1982-04-22 1983-04-22 Procedimento per migliorare la durata di vita di elementi refrattari permeabili situati sul fondo dei recipienti metallurgici di affinazione,in particolare dei convertitori di acciaieria a soffiaggio d'ossigeno dall'alto

Country Status (13)

Country Link
US (2) US4690386A (it)
EP (1) EP0093040B1 (it)
JP (1) JPS5941412A (it)
KR (1) KR910002863B1 (it)
AT (1) ATE33401T1 (it)
BE (1) BE896539A (it)
BR (1) BR8302006A (it)
CA (1) CA1205637A (it)
DE (1) DE3376225D1 (it)
FR (1) FR2525633A1 (it)
IT (1) IT1194212B (it)
LU (1) LU84742A1 (it)
ZA (1) ZA832760B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139533A (ja) * 1984-12-12 1986-06-26 Shin Meiwa Ind Co Ltd 三転ダンプカ−のヒンジ異常状態検出装置
JPS61139534A (ja) * 1984-12-12 1986-06-26 Shin Meiwa Ind Co Ltd 三転ダンプカ−のヒンジ切換状態表示装置
DD300677A7 (de) * 1989-06-20 1992-07-02 Eko Stahl Ag,De Verfahren zur erhoehung der haltbarkeit der feuerfesten auskleidung von metallurgischen gefaessen
DE3936715A1 (de) * 1989-11-03 1991-05-08 Kortec Ag Verfahren zum einbringen von fliessfaehigen zuschlagsstoffen in ein metallurgisches gefaess und gefaess fuer dieses verfahren
DE4003646C1 (it) * 1990-02-07 1990-12-13 Intocast Gmbh Feuerfestprodukte Und Giesshilfsmittel, 4030 Ratingen, De
US5772931A (en) * 1996-12-20 1998-06-30 Dofasco Inc. Slag coating process
DE19913335A1 (de) * 1999-03-24 2000-09-28 Linde Tech Gase Gmbh Verfahren zum Beschichten der Ausmauerung eines Konverters und Beschichtung
KR20030003316A (ko) * 2001-06-30 2003-01-10 백 웨인 다목적 이쑤시개

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA460246A (en) * 1949-10-11 B. Story Edward Lining rotary furnace
BE631565A (it) *
US3259484A (en) * 1962-04-16 1966-07-05 Loire Atel Forges Method and apparatus for producing steel from pig iron
CA919893A (en) * 1970-01-15 1973-01-30 D. Labate Michael Process for lining metallurgical furnaces
DE2028578B2 (de) * 1970-06-10 1976-01-02 Nippon Kokan K.K., Tokio Feuerfeste Zustellung für Öfen oder Gießpfannen für die Stahlherstellung
DE2100874A1 (de) * 1971-01-09 1972-07-20 Kretz, Erich, 4000 Düsseldorf Trägerrost
FR2322202A1 (fr) * 1975-08-29 1977-03-25 Siderurgie Fse Inst Rech Procede d'elaboration d'acier par soufflage d'oxygene
JPS5337120A (en) * 1976-09-18 1978-04-06 Nippon Steel Corp Operating method for converter
NL176088B (nl) * 1978-07-14 1984-09-17 Estel Hoogovens Bv Werkwijze voor het bedrijven van een staalconverter en een staalconverter te gebruiken hierbij.
US4298378A (en) * 1978-12-22 1981-11-03 Kawasaki Jukogyo Kabushiki Kaisha Rotary steel converter, method of making steel there-with and method of applying refractory lining to converter
JPS5585618A (en) * 1978-12-22 1980-06-27 Kawasaki Heavy Ind Ltd Coating method for converter with refractory material
CA1143947A (en) * 1979-02-07 1983-04-05 Jerry V. Spruell Method for increasing vessel lining life for basic oxygen furnaces
FR2455008A1 (fr) * 1979-04-25 1980-11-21 Siderurgie Fse Inst Rech Piece refractaire a permeabilite selective et orientee pour l'insufflation d'un fluide
JPS5938282B2 (ja) * 1980-07-03 1984-09-14 川崎製鉄株式会社 底吹き転炉炉壁面へのスラグコ−テイング方法
JPS5811717A (ja) * 1981-07-15 1983-01-22 Nippon Steel Corp 多孔質スラグコ−テイングによるガス吹込孔の保護層形成方法

Also Published As

Publication number Publication date
FR2525633A1 (fr) 1983-10-28
KR840004372A (ko) 1984-10-15
JPS5941412A (ja) 1984-03-07
CA1205637A (fr) 1986-06-10
EP0093040B1 (fr) 1988-04-06
US4735398A (en) 1988-04-05
DE3376225D1 (en) 1988-05-11
BE896539A (fr) 1983-08-16
ATE33401T1 (de) 1988-04-15
IT8320765A1 (it) 1984-10-22
EP0093040A1 (fr) 1983-11-02
IT1194212B (it) 1988-09-14
FR2525633B1 (it) 1984-11-09
KR910002863B1 (ko) 1991-05-06
BR8302006A (pt) 1983-12-27
ZA832760B (en) 1983-12-28
US4690386A (en) 1987-09-01
LU84742A1 (fr) 1983-12-05

Similar Documents

Publication Publication Date Title
FR2618166B1 (fr) Methode de fabrication de l'alumine speciale a partir de la poussiere produite au cours de la calcination de l'alumine metallurgique.
IT8320765A0 (it) Procedimento per migliorare la durata di vita di elementi refrattari permeabili situati sul fondo dei recipienti metallurgici di affinazione, in particolare dei convertitori di acciaieria a soffiaggio d'ossigeno dall'alto.
DE3689218D1 (de) Verfahren zur differenzierten Bestimmung weisser Blutkörperchen.
GB2094485B (en) Oxygen level sensor for molten metal
IT8220751A0 (it) Procedimento per misurare il livello di riempimento, la temperatura e l'usura in recipienti metallurgici e recipienti perl'esecuzione del procedimento.
IT8422916A0 (it) Procedimento per la produzione dicorpi carboniosi.
IT1231899B (it) Forme per tomaie di scarpe.
IT8621565A0 (it) Forno a bacino per la metallurgia dei metalli non ferrosi.
DE3168852D1 (en) Porous nozzle for molten metal vessel
NO901224D0 (no) Komposittcellebunn for aluminiumelektroutvinning.
FI881524A7 (fi) Menetelmä metallien elektrolyyttiseksi valmistamiseksi.
EP0282441A3 (en) Method for determining the chemical oxygen demand of water
HUT44629A (en) Process for connecting v-pieces made of austenitic manganese-hard steel casting, with carbon steel rails
IT7947983A0 (it) Perfezionamento nei becchi di colata di fondo per recipienti metallurgici
GR3022298T3 (en) Superstructure for multihull vessels.
IT8020901A0 (it) Procedimento e dispositivo per la regolazione delle percentuali dei componenti ossigeno, azoto, anidride carbonica e contenuto d'acqua in processi di reazione nel campo metallurgico.
IT8642908A0 (it) Procedimento per l'adduzione di elementi chimici metallici in fusioni metalliche.
DE3585448D1 (de) Verfahren zur erfassung des sauerstoffpartialdruckes.
IT8120859A0 (it) Procedimento per la realizzazione di un reattivo cromogeno per la determinazione del ferro e della capacita' ferrolegante nel siero, nonche' reattivo cromogeno ottenuto.
IT8521164A0 (it) Cursore orientabile per il becco di colata di recipienti metallurgici.
DE3853174D1 (de) Legierungstarget zum Herstellen von magneto-optischen Aufnahmemitteln.
IT8320767A0 (it) Procedimento di trattamento per migliorare la permeabilita' dei fondi di recipienti metallurgici muniti di elementi refrattari permeabili, materiali per la sua attuazione.
DE3876308D1 (de) Zwischengefaess zum stranggiessen.
KR860700047A (ko) 정련 배셀에서 슬래그 화학성분의 조절방법
IT8219292A0 (it) Procedimento per la colata d'acciaio, in particolare di lingotti d'acciaio.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950131