SE8201647L - Sett att forhindra overskumning vid ferskning av rajern - Google Patents
Sett att forhindra overskumning vid ferskning av rajernInfo
- Publication number
- SE8201647L SE8201647L SE8201647A SE8201647A SE8201647L SE 8201647 L SE8201647 L SE 8201647L SE 8201647 A SE8201647 A SE 8201647A SE 8201647 A SE8201647 A SE 8201647A SE 8201647 L SE8201647 L SE 8201647L
- Authority
- SE
- Sweden
- Prior art keywords
- slag
- way
- oxygen
- provides
- calcium carbide
- Prior art date
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 239000002893 slag Substances 0.000 abstract 3
- 239000005997 Calcium carbide Substances 0.000 abstract 2
- 238000007664 blowing Methods 0.000 abstract 2
- 238000005187 foaming Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 abstract 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 229910000805 Pig iron Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 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
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
- C21C5/36—Processes yielding slags of special composition
- C21C2005/366—Foam slags
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3110569A DE3110569A1 (de) | 1981-03-18 | 1981-03-18 | Verfahren zur verhinderung des ueberschaeumens beim frischen von roheisen sowie zur erniedrigung des phosphorgehaltes, mittel und vorrichtung zur durchfuehrung des verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE8201647L true SE8201647L (sv) | 1982-11-04 |
Family
ID=6127642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8201647A SE8201647L (sv) | 1981-03-18 | 1982-03-16 | Sett att forhindra overskumning vid ferskning av rajern |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4473397A (it) |
| JP (1) | JPS57164909A (it) |
| AT (1) | AT376699B (it) |
| BE (1) | BE892543A (it) |
| BR (1) | BR8201478A (it) |
| DE (1) | DE3110569A1 (it) |
| ES (1) | ES510605A0 (it) |
| FR (1) | FR2502176A1 (it) |
| GB (1) | GB2099021B (it) |
| IT (1) | IT1190690B (it) |
| LU (1) | LU83916A1 (it) |
| NL (1) | NL8201013A (it) |
| SE (1) | SE8201647L (it) |
| ZA (1) | ZA821070B (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62180713A (ja) * | 1986-02-01 | 1987-08-08 | Riken Kogyo Kk | スラグ泡立防止方法 |
| US5279639A (en) * | 1990-04-06 | 1994-01-18 | Tam Ceramics, Inc. | Compositions for synthesizing ladle slags |
| US5584909A (en) * | 1995-01-19 | 1996-12-17 | Ltv Steel Company, Inc. | Controlled foamy slag process |
| US5885323A (en) * | 1997-04-25 | 1999-03-23 | Ltv Steel Company, Inc. | Foamy slag process using multi-circuit lance |
| US6793708B1 (en) | 2001-10-16 | 2004-09-21 | Jeremy A. T. Jones | Slag composition |
| RU2224028C1 (ru) * | 2002-09-26 | 2004-02-20 | Московский государственный институт стали и сплавов (технологический университет) | Способ рафинирования сплавов железа с более легко окисляющимися элементами |
| JP5139625B2 (ja) * | 2004-08-09 | 2013-02-06 | 積水化学工業株式会社 | ケーブル配線システム及びケーブル配線施工方法 |
| BR112012019234A2 (pt) | 2010-02-26 | 2017-06-13 | Tenova Goodfellow Inc | método para produzir aço num vaso. |
| US8097063B2 (en) * | 2010-02-26 | 2012-01-17 | Tenova Goodfellow Inc. | System for furnace slopping prediction and lance optimization |
| EP3548640B1 (en) | 2016-12-02 | 2022-09-21 | Tenova S.p.A. | Convertible metallurgical furnace and modular metallurgical plant comprising said furnace for conducting production processes for the production of metals in the molten state, in particualr steel or cast iron |
| CN109207672B (zh) | 2018-12-03 | 2020-02-04 | 南阳汉冶特钢有限公司 | 一种超低磷钢生产过程中的排渣方法以及超低磷钢的生产方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE600203A (it) * | 1961-02-14 | |||
| GB976158A (en) * | 1961-09-13 | 1964-11-25 | Centre Nat Rech Metall | The control of steel manufacturing processes |
| DE1290557B (de) * | 1964-03-23 | 1969-03-13 | Krupp Gmbh | Verfahren zur UEberwachung und Steuerung des Reaktionsablaufes bei Sauerstoffaufblaseverfahren |
| DE2326706A1 (de) * | 1973-05-25 | 1974-12-19 | Krupp Gmbh | Verfahren zur ueberwachung und regelung des schaeumens der schlacke von stahlfrischprozessen in metallurgischen gefaessen |
| US3985550A (en) * | 1975-01-23 | 1976-10-12 | United States Steel Corporation | Method of producing low sulfur steel |
| DE2507961C3 (de) * | 1975-02-25 | 1978-07-20 | Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg | Verfahren zum Herstellen von Stahl aus Roheisen |
| JPS52110213A (en) * | 1976-03-15 | 1977-09-16 | Nippon Steel Corp | Killing agent of converter during blowing |
| DE2741588C2 (de) * | 1977-09-15 | 1985-02-07 | Skw Trostberg Ag, 8223 Trostberg | Mittel zum Entschwefeln von Eisenschmelzen |
| DE2758477C2 (de) * | 1977-12-28 | 1982-07-29 | Skw Trostberg Ag, 8223 Trostberg | Verfahren zum Frischen von Roheisen unter Steigerung des Schrottanteils in einem Stahlkonverter |
| FR2432550A1 (fr) * | 1978-08-04 | 1980-02-29 | Sueddeutsche Kalkstickstoff | Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable |
| US4210442A (en) * | 1979-02-07 | 1980-07-01 | Union Carbide Corporation | Argon in the basic oxygen process to control slopping |
| US4242126A (en) * | 1979-07-11 | 1980-12-30 | Skw Trostberg Aktiengesellschaft | Process for the treatment of iron melts and for increasing the scrap portion in the converter |
| US4260417A (en) * | 1979-11-05 | 1981-04-07 | Ford Motor Company | Batch desulfurization in a coreless induction furnace |
| ES8200147A1 (es) * | 1979-12-29 | 1981-11-01 | Hoechst Ag | Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas |
-
1981
- 1981-03-18 DE DE3110569A patent/DE3110569A1/de not_active Ceased
-
1982
- 1982-02-02 LU LU83916A patent/LU83916A1/de unknown
- 1982-02-12 AT AT0054082A patent/AT376699B/de not_active IP Right Cessation
- 1982-02-18 ZA ZA821070A patent/ZA821070B/xx unknown
- 1982-02-19 IT IT19763/82A patent/IT1190690B/it active
- 1982-03-11 NL NL8201013A patent/NL8201013A/nl not_active Application Discontinuation
- 1982-03-16 SE SE8201647A patent/SE8201647L/ not_active Application Discontinuation
- 1982-03-17 BR BR8201478A patent/BR8201478A/pt unknown
- 1982-03-17 US US06/358,972 patent/US4473397A/en not_active Expired - Fee Related
- 1982-03-18 BE BE0/207601A patent/BE892543A/fr not_active IP Right Cessation
- 1982-03-18 ES ES510605A patent/ES510605A0/es active Granted
- 1982-03-18 GB GB8207936A patent/GB2099021B/en not_active Expired
- 1982-03-18 JP JP57041774A patent/JPS57164909A/ja active Pending
- 1982-03-18 FR FR8204626A patent/FR2502176A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AT376699B (de) | 1984-12-27 |
| US4473397A (en) | 1984-09-25 |
| GB2099021B (en) | 1985-04-11 |
| LU83916A1 (de) | 1982-07-07 |
| BE892543A (fr) | 1982-07-16 |
| ZA821070B (en) | 1983-01-26 |
| ATA54082A (de) | 1984-05-15 |
| DE3110569A1 (de) | 1982-12-30 |
| JPS57164909A (en) | 1982-10-09 |
| ES8305834A1 (es) | 1983-04-16 |
| ES510605A0 (es) | 1983-04-16 |
| IT1190690B (it) | 1988-02-24 |
| NL8201013A (nl) | 1982-10-18 |
| BR8201478A (pt) | 1983-02-01 |
| GB2099021A (en) | 1982-12-01 |
| FR2502176A1 (fr) | 1982-09-24 |
| IT8219763A0 (it) | 1982-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8201647-8 |