EP0175924A1 - Verfahren zum Frischen von Roheisen - Google Patents

Verfahren zum Frischen von Roheisen Download PDF

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Publication number
EP0175924A1
EP0175924A1 EP19850110495 EP85110495A EP0175924A1 EP 0175924 A1 EP0175924 A1 EP 0175924A1 EP 19850110495 EP19850110495 EP 19850110495 EP 85110495 A EP85110495 A EP 85110495A EP 0175924 A1 EP0175924 A1 EP 0175924A1
Authority
EP
Grant status
Application
Patent type
Prior art keywords
content
pig iron
phosphorus
steel
melt
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
Application number
EP19850110495
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0175924B1 (de )
Inventor
Erich Dr. Höffken
Rudolf Dr. Hammer
Wolfram Florin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thyssen Stahl AG
Original Assignee
Thyssen Stahl AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
EP19850110495 1984-09-22 1985-08-21 Verfahren zum Frischen von Roheisen Expired EP0175924B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3434894 1984-09-22
DE19843434894 DE3434894C2 (no) 1984-09-22 1984-09-22

Publications (2)

Publication Number Publication Date
EP0175924A1 true true EP0175924A1 (de) 1986-04-02
EP0175924B1 EP0175924B1 (de) 1988-12-28

Family

ID=6246122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850110495 Expired EP0175924B1 (de) 1984-09-22 1985-08-21 Verfahren zum Frischen von Roheisen

Country Status (7)

Country Link
US (1) US4604138A (no)
EP (1) EP0175924B1 (no)
JP (1) JPH0136525B2 (no)
CA (1) CA1234989A (no)
DE (1) DE3434894C2 (no)
ES (1) ES546700A0 (no)
FI (1) FI77694C (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085141A1 (de) * 2002-04-10 2003-10-16 Sms Demag Aktiengesellschaft Verfahren und einrichtung zum erzeugen von c-stählen durch frischen von phosphorreichem roheisen im elektrolichtbogen-ofen oder im konverter-gefäss

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3707696C2 (no) * 1987-03-11 1989-09-14 Thyssen Stahl Ag, 4100 Duisburg, De
DE3931024C1 (en) * 1989-09-16 1991-05-16 Krupp Stahl Ag, 4630 Bochum, De Steel prodn. having low phosphor content - comprises single stage process using calcium oxide saturated residual stage from porous melt
JP5471151B2 (ja) * 2009-08-18 2014-04-16 Jfeスチール株式会社 転炉製鋼方法
JP2013133536A (ja) * 2011-12-27 2013-07-08 Jfe Steel Corp 溶鋼の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU66209A1 (no) * 1971-10-01 1973-01-23
DE3318332A1 (de) * 1982-05-28 1983-12-01 Sumitomo Metal Ind Verfahren zur herstellung von stahl mit ultraniedrigem phosphorgehalt

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714042A (en) * 1969-03-27 1973-01-30 Lubrizol Corp Treated overbased complexes
US3813337A (en) * 1971-03-18 1974-05-28 Atlantic Richfield Co Metal working lubricant composition
US3929650A (en) * 1974-03-22 1975-12-30 Chevron Res Extreme pressure agent and its preparation
US4119549A (en) * 1975-03-21 1978-10-10 The Lubrizol Corporation Sulfurized compositions
US4116873A (en) * 1975-06-09 1978-09-26 Chevron Research Company Lubricating oil composition containing Group I or Group II metal or lead sulfonates
US4326972A (en) * 1978-06-14 1982-04-27 The Lubrizol Corporation Concentrates, lubricant compositions and methods for improving fuel economy of internal combustion engine
DE2842563A1 (de) * 1978-09-27 1980-04-10 Mannesmann Ag Verfahren zur erzielung extrem niedriger phosphorgehalte
US4264458A (en) * 1979-04-02 1981-04-28 Exxon Research & Engineering Co. Metalworking lubricant composition
US4505830A (en) * 1981-09-21 1985-03-19 The Lubrizol Corporation Metal working using lubricants containing basic alkali metal salts
US4416788A (en) * 1981-10-13 1983-11-22 Atlantic Richfield Company Metal cutting oil and method for using same
DE3245098C2 (no) * 1982-12-07 1990-06-21 Kloeckner-Werke Ag, 4100 Duisburg, De
US4488903A (en) * 1984-03-14 1984-12-18 Union Carbide Corporation Rapid decarburization steelmaking process

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU66209A1 (no) * 1971-10-01 1973-01-23
DE3318332A1 (de) * 1982-05-28 1983-12-01 Sumitomo Metal Ind Verfahren zur herstellung von stahl mit ultraniedrigem phosphorgehalt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
STEEL IN THE USSR, Band 8, Nr. 6, Juni 1978, Seiten 497-501, London, GB; A.N. GLAZOV et al.: "Role of manganese in contemporary basic oxygen steelmaking" *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085141A1 (de) * 2002-04-10 2003-10-16 Sms Demag Aktiengesellschaft Verfahren und einrichtung zum erzeugen von c-stählen durch frischen von phosphorreichem roheisen im elektrolichtbogen-ofen oder im konverter-gefäss

Also Published As

Publication number Publication date Type
FI853294L (fi) 1986-03-23 grant
CA1234989A (en) 1988-04-12 grant
DE3434894A1 (de) 1986-04-17 application
JP1750994C (no) grant
EP0175924B1 (de) 1988-12-28 grant
FI77694C (fi) 1989-04-10 grant
FI77694B (fi) 1988-12-30 application
FI853294A0 (fi) 1985-08-28 application
JPH0136525B2 (no) 1989-08-01 grant
ES546700D0 (no) grant
FI853294D0 (no) grant
ES546700A0 (es) 1987-03-16 application
US4604138A (en) 1986-08-05 grant
FI853294A (no) application
CA1234989A1 (no) grant
JPS6179709A (en) 1986-04-23 application
DE3434894C2 (no) 1986-09-18 grant
ES8703936A1 (es) 1987-03-16 application

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