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
- 239000002184 metal Substances 0.000 title abstract description 17
- 229910052751 metal Inorganic materials 0.000 title abstract description 17
- 239000000843 powder Substances 0.000 title abstract description 14
- 239000000463 material Substances 0.000 title abstract description 3
- 239000012159 carrier gas Substances 0.000 claims abstract description 40
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 230000035515 penetration Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (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)
- Furnace Details (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
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 (xx) | 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 (xx) |
| DE (1) | DE3050647A1 (xx) |
| FR (1) | FR2500341A1 (xx) |
| SE (1) | SE8204472L (xx) |
| WO (1) | WO1982001892A1 (xx) |
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 DE DE803050647A patent/DE3050647A1/de not_active Withdrawn
- 1980-11-28 JP JP56501103A patent/JPS57501862A/ja active Pending
-
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 |
|---|---|
| SE8204472D0 (sv) | 1982-07-27 |
| SE8204472L (en) | 1982-07-27 |
| JPS57501862A (xx) | 1982-10-21 |
| WO1982001892A1 (en) | 1982-06-10 |
| FR2500341B1 (xx) | 1983-12-23 |
| DE3050647A1 (de) | 1983-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |