IT8320765A1 - 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'ossi geno 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'ossi geno dall'alto

Info

Publication number
IT8320765A1
IT8320765A1 IT1983A20765A IT2076583A IT8320765A1 IT 8320765 A1 IT8320765 A1 IT 8320765A1 IT 1983A20765 A IT1983A20765 A IT 1983A20765A IT 2076583 A IT2076583 A IT 2076583A IT 8320765 A1 IT8320765 A1 IT 8320765A1
Authority
IT
Italy
Prior art keywords
refractory elements
permeable refractory
improving
life span
elements located
Prior art date
Application number
IT1983A20765A
Other languages
English (en)
Other versions
IT1194212B (it
IT8320765A0 (it
Original Assignee
Institut De Rech De La Siderurgie Francaise Irbid
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 Institut De Rech De La Siderurgie Francaise Irbid, Arbed filed Critical Institut De Rech De La Siderurgie Francaise Irbid
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

    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/44—Refractory linings
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/003—Linings or walls comprising porous bricks
    • 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
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/161—Introducing a fluid jet or current into the charge through a porous element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/02—Preheating, e.g. in a laminating line
    • F27M2003/025—Drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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 IT8320765A0 (it) 1983-04-22
IT8320765A1 true 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
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
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
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
BE631565A (it) *
CA460246A (en) * 1949-10-11 B. Story Edward Lining rotary furnace
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
FR2525633B1 (it) 1984-11-09
ATE33401T1 (de) 1988-04-15
IT1194212B (it) 1988-09-14
US4690386A (en) 1987-09-01
ZA832760B (en) 1983-12-28
JPS5941412A (ja) 1984-03-07
KR910002863B1 (ko) 1991-05-06
BE896539A (fr) 1983-08-16
DE3376225D1 (en) 1988-05-11
BR8302006A (pt) 1983-12-27
KR840004372A (ko) 1984-10-15
US4735398A (en) 1988-04-05
IT8320765A0 (it) 1983-04-22
EP0093040A1 (fr) 1983-11-02
FR2525633A1 (fr) 1983-10-28
CA1205637A (fr) 1986-06-10
EP0093040B1 (fr) 1988-04-06
LU84742A1 (fr) 1983-12-05

Similar Documents

Publication Publication Date Title
ES448700A1 (es) Procedimiento para la fabricacion de una masa fundida de a- cero para el procedimiento de colada continua.
IT8320765A1 (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'ossi geno dall'alto
FR2501722B1 (fr) Procede de brassage pneumatique d'un bain metallique
JPH09308959A (ja) 自動注湯装置
ATE34774T1 (de) Verfahren zur erhoehung der gasdurchlaessigkeit von feuerfesten elementen im boden von metallurgischen gefaessen sowie hierfuer geeignetes material.
Danier et al. Process to improve the operating life of permeable refractories installed in the bottom of refining vessels used in metallurgy, notably top blown basic oxygen steel converters.(MIT FE 29039)
JPS56146817A (en) Refining method for molten steel in ladle
JPS5845310A (ja) 球状黒鉛鋳鉄の球状化処理方法
RU2000120737A (ru) Способ передела ванадиевого чугуна
Steffen Fluid flow phenomena of metal and slag during drainage of metallurgical vessels
Komai et al. Application of Flux Refining in the RH Degassing Process
Yafie Nippon Kokan Starts to Upgrade National Steel's Granite City Works
Apte et al. Steelmaking Thermodynamics and Oxygen Concentration Cells
JPS6120013Y2 (it)
Usui Production of line pipe steel for sour gas services by gas and powder injection
JPS5597436A (en) Refining of molten metal in ladle
Zborshchik et al. Features of the Mathematical Description of the Process of Inoculation of Pig Iron With Magnesium
Carlsson et al. Reactions between slag and metal phases during ladle metallurgical treatment
Muller et al. Plasma-Smelting Reduction of Iron Ore
Okamoto et al. PM Process for Ladle Refining
JPS56127724A (en) Deacidification of molten steel
Elanskii et al. Nucleation of Carbon Monoxide Bubbles in Pores of the Bottom of a Steelmaking Unit
Cullen et al. Purifying Molten Metal Using a Nozzle Block Having a Gas Receiving Channel
JPS56146815A (en) Refining method for molten steel in ladle
JPS56146816A (en) Refining method for molten steel in ladle

Legal Events

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

Effective date: 19950131