DE2967017D1 - Method for introducing deoxy-desulphurizing substances into liquid metals without the use of gaseous carriers - Google Patents
Method for introducing deoxy-desulphurizing substances into liquid metals without the use of gaseous carriersInfo
- Publication number
- DE2967017D1 DE2967017D1 DE7979830005T DE2967017T DE2967017D1 DE 2967017 D1 DE2967017 D1 DE 2967017D1 DE 7979830005 T DE7979830005 T DE 7979830005T DE 2967017 T DE2967017 T DE 2967017T DE 2967017 D1 DE2967017 D1 DE 2967017D1
- Authority
- DE
- Germany
- Prior art keywords
- deoxy
- introducing
- liquid metals
- gaseous carriers
- desulphurizing
- 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.)
- Expired
Links
Classifications
-
- 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
-
- 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
- C21C7/06—Deoxidising, e.g. killing
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49327/78A IT1156736B (it) | 1978-05-12 | 1978-05-12 | Metodo per l'introduzione di sostanze disossi-desolforanti sotto battente di metalli liquidi senza impiego di veicoli gassosi |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2967017D1 true DE2967017D1 (en) | 1984-07-05 |
Family
ID=11270358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7979830005T Expired DE2967017D1 (en) | 1978-05-12 | 1979-03-23 | Method for introducing deoxy-desulphurizing substances into liquid metals without the use of gaseous carriers |
Country Status (8)
Country | Link |
---|---|
US (1) | US4247324A (de) |
EP (1) | EP0005684B1 (de) |
JP (1) | JPS54149315A (de) |
AT (1) | AT376456B (de) |
CA (1) | CA1124082A (de) |
DE (1) | DE2967017D1 (de) |
ES (1) | ES480505A1 (de) |
IT (1) | IT1156736B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2493873B1 (fr) * | 1980-11-07 | 1986-03-28 | Dunn Jr Edward | Procede d'epuration de l'acier en poche de coulee |
US4875934A (en) * | 1987-12-31 | 1989-10-24 | Glenn Canfield | Method of deoxidizing molten ferrous metals |
US5377960A (en) * | 1993-03-01 | 1995-01-03 | Berry Metal Company | Oxygen/carbon blowing lance assembly |
ZA200700750B (en) * | 2004-07-20 | 2008-08-27 | Vesuvius Crucible Co | Stopper rod for delivering gas into a molten metal |
EP1853412B1 (de) * | 2005-03-04 | 2011-09-28 | Affival, Inc. | Endstück eines führungsrohres, montage und verfahren |
DE102010005675A1 (de) | 2010-01-26 | 2011-07-28 | Schaeffler Technologies GmbH & Co. KG, 91074 | Messsystem und Verfahren zur Vermessung von Lagerringen von Wälzlagern und Verwendung des Messsystems |
US8920711B2 (en) * | 2012-07-20 | 2014-12-30 | Specialty Minerals (Michigan) Inc. | Lance for wire feeding |
US10513753B1 (en) * | 2019-01-03 | 2019-12-24 | 2498890 Ontario Inc. | Systems, methods, and cored wires for treating a molten metal |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2662008A (en) * | 1950-08-17 | 1953-12-08 | United States Steel Corp | Device for progressively releasing a reagent in a bath of molten metal |
US2988444A (en) * | 1952-05-29 | 1961-06-13 | Hurum Fredrik Jorgen Ording | Method and apparatus for treating molten metal |
US2915386A (en) * | 1955-01-24 | 1959-12-01 | Vanadium Corp Of America | Device for supplying treating agents sequentially to molten metal |
JPS4966520A (de) * | 1972-11-01 | 1974-06-27 | ||
US3841616A (en) * | 1973-12-10 | 1974-10-15 | Metallurg Exoprod Corp | Protective alloy addition apparatus |
US3853308A (en) * | 1973-12-27 | 1974-12-10 | Metallurg Exoprod Corp | Apparatus for ladle additions |
US3921700A (en) * | 1974-07-15 | 1975-11-25 | Caterpillar Tractor Co | Composite metal article containing additive agents and method of adding same to molten metal |
US3902705A (en) * | 1974-08-12 | 1975-09-02 | Nl Industries Inc | Metallurgical device for treating molten metal |
SE7611368L (sv) * | 1975-10-15 | 1977-04-16 | Tarek El Gammal | Berarkropp for inforande av reaktionsmedel i metallsmeltor |
DE2604296C2 (de) * | 1976-02-02 | 1977-11-17 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum Desoxydieren und/oder Entschwefeln einer Stahlschmelze sowie Einrichtung zur Durchführung des Verfahrens |
-
1978
- 1978-05-12 IT IT49327/78A patent/IT1156736B/it active
-
1979
- 1979-03-23 EP EP79830005A patent/EP0005684B1/de not_active Expired
- 1979-03-23 DE DE7979830005T patent/DE2967017D1/de not_active Expired
- 1979-05-11 CA CA327,579A patent/CA1124082A/en not_active Expired
- 1979-05-11 ES ES480505A patent/ES480505A1/es not_active Expired
- 1979-05-11 AT AT0351779A patent/AT376456B/de not_active IP Right Cessation
- 1979-05-11 JP JP5718879A patent/JPS54149315A/ja active Pending
- 1979-05-11 US US06/038,179 patent/US4247324A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT7849327A0 (it) | 1978-05-12 |
AT376456B (de) | 1984-11-26 |
JPS54149315A (en) | 1979-11-22 |
EP0005684B1 (de) | 1984-05-30 |
CA1124082A (en) | 1982-05-25 |
US4247324A (en) | 1981-01-27 |
ES480505A1 (es) | 1980-01-16 |
IT1156736B (it) | 1987-02-04 |
ATA351779A (de) | 1984-04-15 |
EP0005684A1 (de) | 1979-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: CENTRO SVILUPPO MATERIALI S.P.A., ROM/ROMA, IT |
|
8339 | Ceased/non-payment of the annual fee |