LU81859A1 - Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal - Google Patents
Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal Download PDFInfo
- Publication number
- LU81859A1 LU81859A1 LU81859A LU81859A LU81859A1 LU 81859 A1 LU81859 A1 LU 81859A1 LU 81859 A LU81859 A LU 81859A LU 81859 A LU81859 A LU 81859A LU 81859 A1 LU81859 A1 LU 81859A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- slag
- bath
- flow rate
- bubbling
- refining
- Prior art date
Links
- 239000002893 slag Substances 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 23
- 238000007670 refining Methods 0.000 title claims description 17
- 230000003750 conditioning effect Effects 0.000 title claims description 10
- 230000005587 bubbling Effects 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 238000005261 decarburization Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003923 scrap metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 208000036119 Frailty Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 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
- C21C5/30—Regulating or controlling the blowing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU81859A LU81859A1 (fr) | 1979-11-07 | 1979-11-07 | Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal |
| EP80630045A EP0028998A1 (fr) | 1979-11-07 | 1980-10-16 | Procédé de conditionnement de la scorie au cours de l'affinage d'un bain de métal |
| PT71997A PT71997B (fr) | 1979-11-07 | 1980-10-30 | Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal |
| JP15477380A JPS5690918A (en) | 1979-11-07 | 1980-11-05 | Control of slug condition during refining molten metal |
| ES496609A ES8107316A1 (es) | 1979-11-07 | 1980-11-06 | Procedimiento para el acondicionado de la escoria en el transcurso del afino de un bano de metal |
| AU64124/80A AU531565B2 (en) | 1979-11-07 | 1980-11-06 | Process for the conditioning of slag during metal bath refining |
| US06/204,537 US4325730A (en) | 1979-11-07 | 1980-11-06 | Process for conditioning slag during the refining of a metal bath |
| IN798/DEL/80A IN154855B (xx) | 1979-11-07 | 1980-11-06 | |
| PL22770780A PL227707A1 (xx) | 1979-11-07 | 1980-11-06 | |
| BR8007220A BR8007220A (pt) | 1979-11-07 | 1980-11-06 | Processo de condicionamento de escoria no decurso da afinacao de banho de metal |
| CA000364220A CA1159651A (fr) | 1979-11-07 | 1980-11-07 | Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal |
| ZA00806905A ZA806905B (en) | 1979-11-07 | 1980-11-07 | Process for the conditioning of slag during metal bath refining |
| RO102526A RO81380B (ro) | 1979-11-07 | 1980-11-07 | PROCEDEU DE AFîNARE A UNEI BAI DE FONTA îN CONVERTIZOR |
| US06/261,509 US4345746A (en) | 1979-11-07 | 1981-05-04 | Apparatus for refining ferrous melt with slag conditioning |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU81859A LU81859A1 (fr) | 1979-11-07 | 1979-11-07 | Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal |
| LU81859 | 1979-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU81859A1 true LU81859A1 (fr) | 1981-06-04 |
Family
ID=19729283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU81859A LU81859A1 (fr) | 1979-11-07 | 1979-11-07 | Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US4325730A (xx) |
| EP (1) | EP0028998A1 (xx) |
| JP (1) | JPS5690918A (xx) |
| AU (1) | AU531565B2 (xx) |
| BR (1) | BR8007220A (xx) |
| CA (1) | CA1159651A (xx) |
| ES (1) | ES8107316A1 (xx) |
| IN (1) | IN154855B (xx) |
| LU (1) | LU81859A1 (xx) |
| PL (1) | PL227707A1 (xx) |
| PT (1) | PT71997B (xx) |
| RO (1) | RO81380B (xx) |
| ZA (1) | ZA806905B (xx) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU83826A1 (de) * | 1981-12-09 | 1983-09-01 | Arbed | Verfahren und einrichtung zum direkten herstellen von fluessigem eisen |
| JPS5893809A (ja) * | 1981-11-30 | 1983-06-03 | Daido Steel Co Ltd | 溶鋼の精錬方法 |
| LU83954A1 (de) * | 1982-02-17 | 1983-09-02 | Arbed | Verfahren zum erhoehen der kuehlstoffsaetze beim herstellen von stahl durch sauerstoffaufblasen |
| NL8201269A (nl) * | 1982-03-26 | 1983-10-17 | Hoogovens Groep Bv | Werkwijze voor het vervaardigen van staal in een converter uitgaande van ruwijzer en schrot. |
| ZA835649B (en) * | 1982-08-25 | 1984-04-25 | British Steel Corp | Lancing in electric arc steelmaking |
| LU84390A1 (de) * | 1982-09-27 | 1984-04-24 | Arbed | Verfahren und einrichtung zum beheizen eines mit schrott beschickten stahlbades |
| US4529442A (en) * | 1984-04-26 | 1985-07-16 | Allegheny Ludlum Steel Corporation | Method for producing steel in a top oxygen blown vessel |
| JPS60230929A (ja) * | 1984-04-27 | 1985-11-16 | Nippon Steel Corp | 転炉操業方法 |
| AU558925B2 (en) * | 1984-04-27 | 1987-02-12 | Nippon Steel Corporation | Monitoring and controlling the slag-forming conditions in the basic oxygen steel converter |
| SE8800321D0 (sv) * | 1987-08-20 | 1988-02-02 | Scandinavian Emission Tech | Metallurgisk styrmetod |
| AT392801B (de) * | 1989-06-05 | 1991-06-25 | Voest Alpine Ind Anlagen | Verfahren zur schlackenfuehrung in einem blasstahlkonverter |
| US5584909A (en) * | 1995-01-19 | 1996-12-17 | Ltv Steel Company, Inc. | Controlled foamy slag process |
| US5885322A (en) * | 1996-03-22 | 1999-03-23 | Steel Technology Corporation | Method for reducing iron losses in an iron smelting process |
| WO1997035038A1 (en) | 1996-03-22 | 1997-09-25 | Steel Technology Corporation | Stable operation of a smelter reactor |
| US6309442B1 (en) | 2000-02-25 | 2001-10-30 | John D. Usher | Refractory material sensor for determining level of molten metal and slag and method of using |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT297073B (de) * | 1969-04-15 | 1972-03-10 | Voest Ag | Verfahren zur Messung der Dicke der Schlackenschicht auf metallischen Bädern, insbesondere auf durch Vakuumbehandlung zu entgasenden Schmelzen |
| BE755456A (fr) * | 1969-08-29 | 1971-03-01 | Allegheny Ludlum Ind Inc | Decarburation de l'acier fondu |
| US3719469A (en) * | 1970-07-22 | 1973-03-06 | Allegheny Ludlum Ind Inc | Control for basic oxygen steelmaking furnace |
| JPS5129692B2 (xx) * | 1972-06-24 | 1976-08-27 | ||
| JPS5335764B2 (xx) * | 1972-10-06 | 1978-09-28 | ||
| US4047937A (en) * | 1972-12-04 | 1977-09-13 | United States Steel Corporation | Method for controlling the operation of a steel refining converter |
| LU69388A1 (xx) * | 1973-02-15 | 1974-05-29 | ||
| US4197116A (en) * | 1973-03-30 | 1980-04-08 | United States Steel Corporation | Method and apparatus for automatically controlling the rate of flux injection to a converter |
| US3854932A (en) * | 1973-06-18 | 1974-12-17 | Allegheny Ludlum Ind Inc | Process for production of stainless steel |
| US4195985A (en) * | 1977-12-10 | 1980-04-01 | Eisenwerk-Gesellschaft Maximilianshutte Mbh. | Method of improvement of the heat-balance in the refining of steel |
-
1979
- 1979-11-07 LU LU81859A patent/LU81859A1/fr unknown
-
1980
- 1980-10-16 EP EP80630045A patent/EP0028998A1/fr not_active Ceased
- 1980-10-30 PT PT71997A patent/PT71997B/pt unknown
- 1980-11-05 JP JP15477380A patent/JPS5690918A/ja active Pending
- 1980-11-06 BR BR8007220A patent/BR8007220A/pt not_active IP Right Cessation
- 1980-11-06 AU AU64124/80A patent/AU531565B2/en not_active Ceased
- 1980-11-06 US US06/204,537 patent/US4325730A/en not_active Expired - Lifetime
- 1980-11-06 IN IN798/DEL/80A patent/IN154855B/en unknown
- 1980-11-06 ES ES496609A patent/ES8107316A1/es not_active Expired
- 1980-11-06 PL PL22770780A patent/PL227707A1/xx unknown
- 1980-11-07 ZA ZA00806905A patent/ZA806905B/xx unknown
- 1980-11-07 CA CA000364220A patent/CA1159651A/fr not_active Expired
- 1980-11-07 RO RO102526A patent/RO81380B/ro unknown
-
1981
- 1981-05-04 US US06/261,509 patent/US4345746A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU6412480A (en) | 1981-05-14 |
| ZA806905B (en) | 1981-10-28 |
| JPS5690918A (en) | 1981-07-23 |
| ES496609A0 (es) | 1981-10-01 |
| IN154855B (xx) | 1984-12-15 |
| PL227707A1 (xx) | 1981-08-21 |
| US4325730A (en) | 1982-04-20 |
| PT71997A (fr) | 1980-11-01 |
| ES8107316A1 (es) | 1981-10-01 |
| CA1159651A (fr) | 1984-01-03 |
| US4345746A (en) | 1982-08-24 |
| EP0028998A1 (fr) | 1981-05-20 |
| PT71997B (fr) | 1981-08-31 |
| BR8007220A (pt) | 1981-05-12 |
| RO81380A (ro) | 1983-04-29 |
| RO81380B (ro) | 1983-04-30 |
| AU531565B2 (en) | 1983-08-25 |
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