FR2500341B1 - - Google Patents

Info

Publication number
FR2500341B1
FR2500341B1 FR8103866A FR8103866A FR2500341B1 FR 2500341 B1 FR2500341 B1 FR 2500341B1 FR 8103866 A FR8103866 A FR 8103866A FR 8103866 A FR8103866 A FR 8103866A FR 2500341 B1 FR2500341 B1 FR 2500341B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8103866A
Other languages
French (fr)
Other versions
FR2500341A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIB METALL INSTIT
Original Assignee
SIB METALL INSTIT
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 SIB METALL INSTIT filed Critical SIB METALL INSTIT
Publication of FR2500341A1 publication Critical patent/FR2500341A1/fr
Application granted granted Critical
Publication of FR2500341B1 publication Critical patent/FR2500341B1/fr
Granted legal-status Critical Current

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
    • C21C5/4606—Lances or injectors
    • C21C5/4613—Refractory coated lances; Immersion lances
    • 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
    • F27D3/18—Charging particulate material using a fluid carrier
    • 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
    • C21C5/4606—Lances or injectors
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
    • C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Blast Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
FR8103866A 1980-11-28 1981-02-26 Lance pour l'insufflation de produits pulverulents dans un metal liquide Granted FR2500341A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1980/000190 WO1982001892A1 (en) 1980-11-28 1980-11-28 Tuyere for blowing in powder-like materials into molten metal

Publications (2)

Publication Number Publication Date
FR2500341A1 FR2500341A1 (fr) 1982-08-27
FR2500341B1 true FR2500341B1 (OSRAM) 1983-12-23

Family

ID=21616686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8103866A Granted FR2500341A1 (fr) 1980-11-28 1981-02-26 Lance pour l'insufflation de produits pulverulents dans un metal liquide

Country Status (5)

Country Link
JP (1) JPS57501862A (OSRAM)
DE (1) DE3050647A1 (OSRAM)
FR (1) FR2500341A1 (OSRAM)
SE (1) SE8204472D0 (OSRAM)
WO (1) WO1982001892A1 (OSRAM)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064970B (de) * 1955-01-05 1959-09-10 Hoerder Huettenunion Ag Verfahren zum Oberwindfrischen von phosphorhaltigem Roheisen
DE1508234A1 (de) * 1966-08-04 1969-10-09 Polysius Ag Lanze fuer pneumatische Foerdereinrichtungen zum Einfuehren von Zuschlagstoffen in Schmelzoefen
SU427060A1 (ru) * 1971-12-30 1974-05-05 М. В. Каракула, А. Д. Башмаков, Ю. И. Безуглый, В. В. Головченко , Б. Н. Ладыженский Способ ввода порошкообразных материалов в жидкий металл
SU508532A1 (ru) * 1974-08-19 1976-03-30 Ждановский металлургический институт Способ ввода порошкообразныхреагентов в ванну сталеплавильныхагрегатов
US4004919A (en) * 1974-08-22 1977-01-25 Molycorp, Inc. Method and apparatus for treating metal
SE424915B (sv) * 1977-10-04 1982-08-16 Stiftelsen Metallurg Forsk Lans for injicering av pulverformigt material i metallsmeltor
FR2406669A1 (fr) * 1977-10-21 1979-05-18 Siderurgie Fse Inst Rech Perfectionnements aux lances d'insufflation immergeables dans une masse en fusion
FR2432552A1 (fr) * 1978-08-03 1980-02-29 Siderurgie Fse Inst Rech Lance a double flux pour l'insufflation en profondeur de produits pulverulents au sein d'une masse en fusion

Also Published As

Publication number Publication date
FR2500341A1 (fr) 1982-08-27
WO1982001892A1 (en) 1982-06-10
SE8204472L (en) 1982-07-27
DE3050647A1 (de) 1983-06-30
JPS57501862A (OSRAM) 1982-10-21
SE8204472D0 (sv) 1982-07-27

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Legal Events

Date Code Title Description
ST Notification of lapse