IT1001677B - PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRON - Google Patents
PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRONInfo
- Publication number
- IT1001677B IT1001677B IT31113/73A IT3111373A IT1001677B IT 1001677 B IT1001677 B IT 1001677B IT 31113/73 A IT31113/73 A IT 31113/73A IT 3111373 A IT3111373 A IT 3111373A IT 1001677 B IT1001677 B IT 1001677B
- Authority
- IT
- Italy
- Prior art keywords
- desulphurating
- procedure
- crude iron
- molten crude
- molten
- Prior art date
Links
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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11163672A JPS4970813A (en) | 1972-11-09 | 1972-11-09 | |
JP2186673A JPS5243170B2 (en) | 1973-02-23 | 1973-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1001677B true IT1001677B (en) | 1976-04-30 |
Family
ID=26358994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT31113/73A IT1001677B (en) | 1972-11-09 | 1973-11-09 | PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRON |
Country Status (5)
Country | Link |
---|---|
US (1) | US3876421A (en) |
BR (1) | BR7308802D0 (en) |
DE (1) | DE2355736B2 (en) |
IT (1) | IT1001677B (en) |
NL (1) | NL7315376A (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4067730A (en) * | 1974-04-20 | 1978-01-10 | Thyssen Niederrhein Ag Hutten-Und Walzwerke | Process for the production of steel with increased ductility |
DE2419070B2 (en) * | 1974-04-20 | 1976-03-04 | Thyssen Niederrhein AG Hütten- und Walzwerke, 4200 Oberhausen | METHOD FOR PRODUCING STEEL WITH INCREASED TOUGH PROPERTIES |
GB1586762A (en) * | 1976-05-28 | 1981-03-25 | British Steel Corp | Metal refining method and apparatus |
US4198229A (en) * | 1976-06-28 | 1980-04-15 | Nippon Steel Corporation | Method of dephosphorization of metal or alloy |
DE2708522C2 (en) * | 1977-02-26 | 1985-02-14 | Skw Trostberg Ag, 8223 Trostberg | Treatment of iron melts with alkaline earth, carbidic and metallic agents by blowing in with a carrier gas |
FR2432550A1 (en) * | 1978-08-04 | 1980-02-29 | Sueddeutsche Kalkstickstoff | PROCESS FOR THE MANUFACTURE OF AN EASILY FLOWABLE PULVERULATED DESULFURIZATION MIXTURE |
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 |
DE2934193A1 (en) * | 1979-08-23 | 1981-03-26 | Denki Kagaku Kogyo K.K., Tokio/Tokyo | Desulphurising agent for molten pig iron - consists of mixt. of carbon, magnesium cpd., and calcium carbide |
US4409028A (en) * | 1979-10-24 | 1983-10-11 | Moore William H | Process for producing cast iron |
US4315773A (en) * | 1979-11-27 | 1982-02-16 | Skw Trostberg Aktiengesellschaft | Desulfurization mixture and process for desulfurizing pig iron |
FR2473061A1 (en) * | 1980-01-07 | 1981-07-10 | Sueddeutsche Kalkstickstoff | Dust and flame suppression during slag removal from molten iron - after desulphurisation of crude iron using agent contg. calcium carbide, graphite and polyethylene |
USRE31676E (en) | 1982-09-29 | 1984-09-18 | Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG | Method and apparatus for dispensing a fluidizable solid from a pressure vessel |
DE3306782C2 (en) * | 1983-02-23 | 1985-01-31 | Mannesmann AG, 4000 Düsseldorf | Process for treating molten steel |
CA1240842A (en) * | 1984-05-16 | 1988-08-23 | Heinrich Rellermeyer | Method, process and composition for desulfurizing pig-iron melts |
US5358550A (en) * | 1992-10-26 | 1994-10-25 | Rossborough Manufacturing Company | Desulfurization agent |
CN1118173A (en) * | 1993-12-21 | 1996-03-06 | 不来梅钢铁工厂有限公司 | Process for extracting metal from metal ores |
US5873924A (en) * | 1997-04-07 | 1999-02-23 | Reactive Metals & Alloys Corporation | Desulfurizing mix and method for desulfurizing molten iron |
JP3608439B2 (en) * | 1999-07-05 | 2005-01-12 | Jfeスチール株式会社 | Desulfurization method of molten iron alloy |
US6352570B1 (en) | 2000-04-10 | 2002-03-05 | Rossborough Manufacturing Co., Lp | Magnesium desulfurization agent |
US6372014B1 (en) | 2000-04-10 | 2002-04-16 | Rossborough Manufacturing Co. L.P. | Magnesium injection agent for ferrous metal |
US6770115B2 (en) * | 2002-10-18 | 2004-08-03 | Remacor, Inc. | Process for magnesium granules |
US6989040B2 (en) * | 2002-10-30 | 2006-01-24 | Gerald Zebrowski | Reclaimed magnesium desulfurization agent |
US7731778B2 (en) * | 2006-03-27 | 2010-06-08 | Magnesium Technologies Corporation | Scrap bale for steel making process |
US20080196548A1 (en) * | 2007-02-16 | 2008-08-21 | Magnesium Technologies Corporation | Desulfurization puck |
DE102011008691A1 (en) * | 2011-01-15 | 2012-07-19 | Mechthilde Döring-Freißmuth | Agent, useful e.g. to treat metal melts, preferably for desulfurization of pig iron melts, comprises an element, in elemental and/or bonded state, comprising alkali metal, alkaline earth metal or earth metal (first Component) and bitumens |
JP5856185B2 (en) | 2011-01-15 | 2016-02-09 | アルマメット ゲゼルシャフト ミット ベシュレンクテル ハフツンク | Use of agents to dephosphorize hot metal |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2577764A (en) * | 1949-11-04 | 1951-12-11 | Air Reduction | Desulfurization of ferrous metals |
US2870004A (en) * | 1955-02-07 | 1959-01-20 | Air Reduction | Method of producing nodular cast iron |
US2863755A (en) * | 1957-04-22 | 1958-12-09 | Union Carbide Corp | Oil-treated calcium carbide for desulfurization of iron |
US2979393A (en) * | 1958-10-02 | 1961-04-11 | Jr Russell Pearce Heuer | Process of desulfurizing pig iron |
US3158913A (en) * | 1961-07-17 | 1964-12-01 | American Metallurg Products Co | Method of treating steel |
AT270710B (en) * | 1964-07-20 | 1969-05-12 | Bot Brassert Oxygen Technik Ag | Process for making steel by blowing oxygen |
AT264560B (en) * | 1966-08-25 | 1968-09-10 | Gustav Dipl Ing Wolfram | Basic steelmaking process |
GB1148602A (en) * | 1966-09-26 | 1969-04-16 | Steel Co Of Wales Ltd | Improvements in and relating to the treatment of metals |
FR2001991A1 (en) * | 1968-02-15 | 1969-10-03 | Kobe Steel Ltd | IMPROVEMENTS IN PROCESSES FOR ELIMINATION OF ARSENIC FROM METALS OR ALLOYS |
GB1233278A (en) * | 1968-10-23 | 1971-05-26 | ||
US3704230A (en) * | 1970-02-17 | 1972-11-28 | Carborundum Co | Exothermic compositions |
-
1973
- 1973-11-05 US US412766A patent/US3876421A/en not_active Expired - Lifetime
- 1973-11-08 DE DE19732355736 patent/DE2355736B2/en not_active Withdrawn
- 1973-11-09 NL NL7315376A patent/NL7315376A/xx not_active Application Discontinuation
- 1973-11-09 IT IT31113/73A patent/IT1001677B/en active
- 1973-11-09 BR BR8802/73A patent/BR7308802D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR7308802D0 (en) | 1974-08-15 |
NL7315376A (en) | 1974-05-13 |
DE2355736A1 (en) | 1974-05-22 |
DE2355736B2 (en) | 1977-10-27 |
US3876421A (en) | 1975-04-08 |
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