FR2500341A1 - Lance pour l'insufflation de produits pulverulents dans un metal liquide - Google Patents
Lance pour l'insufflation de produits pulverulents dans un metal liquide Download PDFInfo
- Publication number
- FR2500341A1 FR2500341A1 FR8103866A FR8103866A FR2500341A1 FR 2500341 A1 FR2500341 A1 FR 2500341A1 FR 8103866 A FR8103866 A FR 8103866A FR 8103866 A FR8103866 A FR 8103866A FR 2500341 A1 FR2500341 A1 FR 2500341A1
- Authority
- FR
- France
- Prior art keywords
- gas
- orifice
- supply line
- carrier gas
- lance
- Prior art date
- 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.)
- Granted
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
-
- 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
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 true FR2500341A1 (fr) | 1982-08-27 |
FR2500341B1 FR2500341B1 (de) | 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 (de) |
DE (1) | DE3050647A1 (de) |
FR (1) | FR2500341A1 (de) |
SE (1) | SE8204472L (de) |
WO (1) | WO1982001892A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1508234A1 (de) * | 1966-08-04 | 1969-10-09 | Polysius Ag | Lanze fuer pneumatische Foerdereinrichtungen zum Einfuehren von Zuschlagstoffen in Schmelzoefen |
US4004919A (en) * | 1974-08-22 | 1977-01-25 | Molycorp, Inc. | Method and apparatus for treating metal |
GB2005815A (en) * | 1977-10-04 | 1979-04-25 | Stiftelsen Metallurg Forsk | Lance for injecting powdery material into molten metal |
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 |
Family Cites Families (3)
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 |
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 |
-
1980
- 1980-11-28 WO PCT/SU1980/000190 patent/WO1982001892A1/en active Application Filing
- 1980-11-28 JP JP50110381A patent/JPS57501862A/ja active Pending
- 1980-11-28 DE DE19803050647 patent/DE3050647A1/de not_active Withdrawn
-
1981
- 1981-02-26 FR FR8103866A patent/FR2500341A1/fr active Granted
-
1982
- 1982-07-27 SE SE8204472A patent/SE8204472L/xx not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1508234A1 (de) * | 1966-08-04 | 1969-10-09 | Polysius Ag | Lanze fuer pneumatische Foerdereinrichtungen zum Einfuehren von Zuschlagstoffen in Schmelzoefen |
US4004919A (en) * | 1974-08-22 | 1977-01-25 | Molycorp, Inc. | Method and apparatus for treating metal |
GB2005815A (en) * | 1977-10-04 | 1979-04-25 | Stiftelsen Metallurg Forsk | Lance for injecting powdery material into molten metal |
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 |
---|---|
WO1982001892A1 (en) | 1982-06-10 |
SE8204472D0 (sv) | 1982-07-27 |
SE8204472L (en) | 1982-07-27 |
JPS57501862A (de) | 1982-10-21 |
FR2500341B1 (de) | 1983-12-23 |
DE3050647A1 (de) | 1983-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |