FR2477576B1 - - Google Patents
Info
- Publication number
- FR2477576B1 FR2477576B1 FR8004932A FR8004932A FR2477576B1 FR 2477576 B1 FR2477576 B1 FR 2477576B1 FR 8004932 A FR8004932 A FR 8004932A FR 8004932 A FR8004932 A FR 8004932A FR 2477576 B1 FR2477576 B1 FR 2477576B1
- 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
Links
Classifications
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- 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
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- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8004932A FR2477576A1 (fr) | 1980-03-05 | 1980-03-05 | Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente |
DE8181400309T DE3164362D1 (en) | 1980-03-05 | 1981-02-27 | Process for the simultaneous and separate introduction of at least one gas and a pulverulent material by means of a tuyere for metallurgical purpose |
EP81400309A EP0035451B1 (fr) | 1980-03-05 | 1981-02-27 | Procédé d'introduction simultanée et séparée d'au moins un gaz et d'une matière pulvérulente dans une tuyère à usage métallurgique |
AT81400309T ATE8153T1 (de) | 1980-03-05 | 1981-02-27 | Verfahren zum gleichzeitigen und getrennten zufuehren wenigstens eines gases und eines pulverfoermigen materials mittels einer duese fuer metallurgische zwecke. |
US06/239,742 US4385753A (en) | 1980-03-05 | 1981-03-02 | Tuyere for the simultaneous and separate introduction of at least one gas and one powder material |
AU67997/81A AU6799781A (en) | 1980-03-05 | 1981-03-03 | Tuyere for the simultaneous and separate introduction of at least one gas and one powder material |
JP3108881A JPS56133064A (en) | 1980-03-05 | 1981-03-04 | Nozzle |
CA000372300A CA1163801A (fr) | 1980-03-05 | 1981-03-04 | Tuyere d'introduction simultanee et separee d'au moins un gaz et d'une matiere pulverulente |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8004932A FR2477576A1 (fr) | 1980-03-05 | 1980-03-05 | Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2477576A1 FR2477576A1 (fr) | 1981-09-11 |
FR2477576B1 true FR2477576B1 (fr) | 1984-07-27 |
Family
ID=9239337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8004932A Granted FR2477576A1 (fr) | 1980-03-05 | 1980-03-05 | Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2477576A1 (fr) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE788512A (fr) * | 1971-09-21 | 1973-01-02 | Creusot Loire | Procede de protection d'une tuyere de convertisseur d'affinage |
HU176773B (en) * | 1975-05-09 | 1981-05-28 | Maximilianshuette Eisenwerk | Process and equipment for the continuous gasification of solid and/or liquid media containing coal and/or hydrocarbons in reactors with iron baths |
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1980
- 1980-03-05 FR FR8004932A patent/FR2477576A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2477576A1 (fr) | 1981-09-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |