[go: up one dir, main page]

GR79434B - - Google Patents

Info

Publication number
GR79434B
GR79434B GR73257A GR830173257A GR79434B GR 79434 B GR79434 B GR 79434B GR 73257 A GR73257 A GR 73257A GR 830173257 A GR830173257 A GR 830173257A GR 79434 B GR79434 B GR 79434B
Authority
GR
Greece
Prior art keywords
tuyere
core
inch
gas flow
outer tube
Prior art date
Application number
GR73257A
Other languages
English (en)
Inventor
John Dana Nauman
Original Assignee
Allegheny Ludlum Steel
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 Allegheny Ludlum Steel filed Critical Allegheny Ludlum Steel
Publication of GR79434B publication Critical patent/GR79434B/el

Links

Classifications

    • 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
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Furnace Details (AREA)
  • Coating With Molten Metal (AREA)
  • Nozzles (AREA)
GR73257A 1983-06-14 1983-12-15 GR79434B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/504,191 US4462824A (en) 1983-06-14 1983-06-14 Annular tuyere

Publications (1)

Publication Number Publication Date
GR79434B true GR79434B (el) 1984-10-22

Family

ID=24005230

Family Applications (1)

Application Number Title Priority Date Filing Date
GR73257A GR79434B (el) 1983-06-14 1983-12-15

Country Status (8)

Country Link
US (1) US4462824A (el)
EP (1) EP0128987B1 (el)
AT (1) ATE45386T1 (el)
CA (1) CA1217336A (el)
DE (1) DE3380358D1 (el)
GR (1) GR79434B (el)
MX (1) MX161196A (el)
YU (1) YU245183A (el)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941387A (ja) * 1982-08-30 1984-03-07 Osaka Gas Co Ltd ピッチの製造方法
US4758269A (en) * 1987-02-24 1988-07-19 Allegheny Ludlum Corporation Method and apparatus for introducing gas into molten metal baths
US4754951A (en) * 1987-08-14 1988-07-05 Union Carbide Corporation Tuyere assembly and positioning method
DE3919238A1 (de) * 1989-06-13 1990-12-20 Voest Alpine Ind Anlagen Spueleinrichtung fuer ein metallurgisches gefaess
DE29602813U1 (de) 1996-02-16 1996-04-04 Beck u. Kaltheuner Feuerfeste Erzeugnisse GmbH & Co KG, 58840 Plettenberg Keramischer Spülblock für metallurgische Gefäße
WO2008154688A1 (en) * 2007-06-19 2008-12-24 Technological Resources Pty. Limited Apparatus for injecting solid material into a vessel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855293A (en) * 1955-03-21 1958-10-07 Air Liquide Method and apparatus for treating molten metal with oxygen
BE752893A (fr) * 1969-07-08 1970-12-16 Forges De La Loire St Chamond Procede et dispositif de refroidissement d'une tuyere de convertisseur d'affinage
CA1141174A (en) * 1979-10-31 1983-02-15 Guy Savard Homogenization of metal using gas
AU540689B2 (en) * 1980-12-20 1984-11-29 K.K. Kobe Seiko Sho Tuyere for blowing gas into molten metal bath container

Also Published As

Publication number Publication date
DE3380358D1 (en) 1989-09-14
MX161196A (es) 1990-08-15
US4462824A (en) 1984-07-31
EP0128987B1 (en) 1989-08-09
EP0128987A3 (en) 1986-10-22
YU245183A (en) 1986-02-28
CA1217336A (en) 1987-02-03
EP0128987A2 (en) 1984-12-27
ATE45386T1 (de) 1989-08-15

Similar Documents

Publication Publication Date Title
CA2276172A1 (en) Production method of metallic iron
EP0326318A3 (en) Plasma torch
AU575145B2 (en) Induction furnace with discardable lining
GB2269889B (en) A furnace
GR79434B (el)
SE8602113D0 (sv) Forfarande for kontinuerlig reduktion av smelt metallurgisk slagg i en elektrougn
DE3570379D1 (en) An improved casting apparatus
JPS565336A (en) Glass melting electrode
ATE89323T1 (de) Verschleisslanze.
FR2696445B1 (fr) Composition pour l'obtention de produits à base de chaux pure, application de cette composition et procédé pour sa mise en Óoeuvre.
JPS56117875A (en) Manufacture of composite ingot by electroslag remelting
ES8704620A1 (es) Horno de fundicion de cuba pra fundir metales
ATE70088T1 (de) Kontinuierlicher herstellung von legierungen.
GB1528142A (en) Nuclear fuel elements
GB1534221A (en) Process for the production of sleeves and like workpieces from hard metals of high cobalt content
ES465320A1 (es) Perfeccionamiento en la proteccion contra el desgaste de unatobera de soplado para afino de los metales liquidos.
SE7511580L (sv) Kernbresnleelement med kompositkapsling ii
Fochenkov Blocking of Channels of Induction Furnaces
JPS57149414A (en) Dip pipe for molten steel treatment apparatus
Makogon et al. The Production of High Speed Steel by Powder Metallurgy and Its Effective Application
Ivanov et al. Plasma Melting of Corrosion-Resisting Low Nitrogen Cr--Ni--Mo Steel
Kuznetsov et al. The Design and Operating Conditions of an Installation for Injecting Metal in the Ladle With Neutral or Inert Gases and Powders
Fedorovich et al. Ferrous Metallurgy Institute Method of Melting Steel
Okhotskii Diameter of the Zone of Interaction During Top Blowing
SU1336580A1 (ru) Способ изготовления заготовки типа корпус с патрубком