DD148791A5 - Verfahren zum frischen von fluessigem stahl - Google Patents

Verfahren zum frischen von fluessigem stahl Download PDF

Info

Publication number: DD148791A5
Authority: DD; German Democratic Republic
Prior art keywords: oxygen; ejection; converter; emulsion; blowing
Prior art date: 1979-02-07

Application number

DD80218687A

Other languages

German (de)

English (en)

Inventor

Jennings B Lewis

Peter P Kelly

Original Assignee

Union Carbide Corp

Nat Steel Corp

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.)

1979-02-07

Filing date

1980-01-28

Publication date

1981-06-10

1980-01-28 Application filed by Union Carbide Corp, Nat Steel Corp filed Critical Union Carbide Corp

1981-06-10 Publication of DD148791A5 publication Critical patent/DD148791A5/de

Links

238000000034 method Methods 0.000 title claims abstract description 29
239000007788 liquid Substances 0.000 title claims abstract description 13
229910000831 Steel Inorganic materials 0.000 title claims abstract description 11
239000010959 steel Substances 0.000 title claims abstract description 11
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 71
239000001301 oxygen Substances 0.000 claims abstract description 71
229910052760 oxygen Inorganic materials 0.000 claims abstract description 71
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 42
238000007664 blowing Methods 0.000 claims abstract description 30
239000000839 emulsion Substances 0.000 claims abstract description 28
239000007789 gas Substances 0.000 claims abstract description 25
229910052786 argon Inorganic materials 0.000 claims abstract description 21
239000011261 inert gas Substances 0.000 claims abstract description 18
230000001681 protective effect Effects 0.000 claims abstract description 9
238000007670 refining Methods 0.000 claims abstract description 4
101000588924 Anthopleura elegantissima Delta-actitoxin-Ael1a Proteins 0.000 claims description 14
230000008569 process Effects 0.000 claims description 7
230000006872 improvement Effects 0.000 claims description 3
230000002265 prevention Effects 0.000 claims description 3
238000002347 injection Methods 0.000 abstract description 3
239000007924 injection Substances 0.000 abstract description 3
239000000155 melt Substances 0.000 description 12
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
238000004519 manufacturing process Methods 0.000 description 6
229910052751 metal Inorganic materials 0.000 description 6
239000002184 metal Substances 0.000 description 6
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
229910052799 carbon Inorganic materials 0.000 description 5
239000000203 mixture Substances 0.000 description 5
239000002893 slag Substances 0.000 description 5
238000006243 chemical reaction Methods 0.000 description 3
238000004140 cleaning Methods 0.000 description 3
238000005261 decarburization Methods 0.000 description 3
229910052742 iron Inorganic materials 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
235000008733 Citrus aurantifolia Nutrition 0.000 description 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
235000011941 Tilia x europaea Nutrition 0.000 description 2
239000002253 acid Substances 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
230000001934 delay Effects 0.000 description 2
239000004571 lime Substances 0.000 description 2
239000011572 manganese Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
-1 oneon Chemical compound 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000010079 rubber tapping Methods 0.000 description 2
229910052710 silicon Inorganic materials 0.000 description 2
239000010703 silicon Substances 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
229910000805 Pig iron Inorganic materials 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
230000003321 amplification Effects 0.000 description 1
238000005422 blasting Methods 0.000 description 1
YLUIKWVQCKSMCF-UHFFFAOYSA-N calcium;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[Mg+2].[Ca+2] YLUIKWVQCKSMCF-UHFFFAOYSA-N 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
230000008859 change Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000004907 flux Effects 0.000 description 1
238000005187 foaming Methods 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
229910052743 krypton Inorganic materials 0.000 description 1
DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
229910001338 liquidmetal Inorganic materials 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
235000012459 muffins Nutrition 0.000 description 1
238000003199 nucleic acid amplification method Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000012466 permeate Substances 0.000 description 1
239000000575 pesticide Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
229910052704 radon Inorganic materials 0.000 description 1
SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
239000000243 solution Substances 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000012360 testing method Methods 0.000 description 1
229910052724 xenon Inorganic materials 0.000 description 1
FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-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
- C21C5/32—Blowing from above
- 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
- 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

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)
Treatment Of Steel In Its Molten State (AREA)

DD80218687A 1979-02-07 1980-01-28 Verfahren zum frischen von fluessigem stahl DD148791A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/010,316 US4210442A (en)	1979-02-07	1979-02-07	Argon in the basic oxygen process to control slopping

Publications (1)

Publication Number	Publication Date
DD148791A5 true DD148791A5 (de)	1981-06-10

Family

ID=21745186

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD80218687A DD148791A5 (de)	1979-02-07	1980-01-28	Verfahren zum frischen von fluessigem stahl

Country Status (25)

Country	Link
US (1)	US4210442A (fr)
JP (1)	JPS55110714A (fr)
KR (1)	KR850000516B1 (fr)
AU (1)	AU5262979A (fr)
BE (1)	BE880006A (fr)
BR (1)	BR7907470A (fr)
CA (1)	CA1141963A (fr)
DD (1)	DD148791A5 (fr)
DE (1)	DE2944771C2 (fr)
ES (1)	ES486145A1 (fr)
FI (1)	FI61520C (fr)
FR (1)	FR2448571B1 (fr)
GB (1)	GB2041410B (fr)
IN (1)	IN153387B (fr)
IT (1)	IT1164763B (fr)
LU (1)	LU81971A1 (fr)
MX (1)	MX154122A (fr)
NL (1)	NL7908518A (fr)
NO (1)	NO793676L (fr)
PH (1)	PH15269A (fr)
PL (1)	PL219892A1 (fr)
RO (1)	RO78381A (fr)
SE (1)	SE7909369L (fr)
YU (1)	YU288879A (fr)
ZA (1)	ZA795966B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU81207A1 (fr) *	1979-04-30	1980-12-16	Arbed	Procede d'affinage d'un bain de metal contenant des matieres refroidissantes solides
US4278464A (en) *	1979-12-27	1981-07-14	Union Carbide Corporation	Method for preventing slopping during subsurface pneumatic refining of steel
DE3110569A1 (de) *	1981-03-18	1982-12-30	Skw Trostberg Ag, 8223 Trostberg	Verfahren zur verhinderung des ueberschaeumens beim frischen von roheisen sowie zur erniedrigung des phosphorgehaltes, mittel und vorrichtung zur durchfuehrung des verfahrens
NL189008C (nl) *	1981-11-18	1992-12-01	Hoogovens Groep Bv	Gasdoorlatend wandelement voor een met vuurvast materiaal bekleed metallurgisch vat, in het bijzonder voor een l.d.-staalconverter.
US4488903A (en) *	1984-03-14	1984-12-18	Union Carbide Corporation	Rapid decarburization steelmaking process
JPS6173817A (ja) *	1984-09-18	1986-04-16	Sumitomo Electric Ind Ltd	溶鋼制御精錬法および精錬装置
AT405526B (de) *	1995-03-30	1999-09-27	Voest Alpine Stahl Donawitz	Verfahren und vorrichtung zur begrenzung des schaumschlackenvolumens in einem metallurgischen gefäss
JP3405993B2 (ja) *	1995-05-30	2003-05-12	新日本製鐵株式会社	内燃機関の排気浄化装置
US5814125A (en) *	1997-03-18	1998-09-29	Praxair Technology, Inc.	Method for introducing gas into a liquid
US6125133A (en) *	1997-03-18	2000-09-26	Praxair, Inc.	Lance/burner for molten metal furnace
US5897684A (en) *	1997-04-17	1999-04-27	Ltv Steel Company, Inc.	Basic oxygen process with iron oxide pellet addition
RU2123534C1 (ru) *	1997-10-21	1998-12-20	Открытое акционерное общество "Северсталь"	Способ предотвращения выбросов при производстве стали в кислородном конвертере
US6096261A (en) *	1997-11-20	2000-08-01	Praxair Technology, Inc.	Coherent jet injector lance
US6176894B1 (en)	1998-06-17	2001-01-23	Praxair Technology, Inc.	Supersonic coherent gas jet for providing gas into a liquid
KR100423420B1 (ko) *	1999-09-27	2004-03-19	주식회사 포스코	전로 취련중 슬로핑 방지방법
RU2179586C1 (ru) *	2000-11-09	2002-02-20	ОАО "Западно-Сибирский металлургический комбинат"	Способ производства стали в кислородном конвертере
KR20040020446A (ko) *	2002-08-30	2004-03-09	주식회사 포스코	내화성능이 우수한 천정구조
RU2261920C1 (ru) *	2004-08-17	2005-10-10	Открытое акционерное общество "Магнитогорский металлургический комбинат"	Способ ведения конвертерной плавки
WO2008076901A1 (fr) *	2006-12-15	2008-06-26	Praxair Technology, Inc.	Procédé d'injection pour un gaz inerte

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA692788A (en) *	1960-11-18	1964-08-18	C. Nelson Edward	Decarburization, deoxidation and alloy addition
AT337736B (de) *	1973-02-12	1977-07-11	Voest Ag	Verfahren zum frischen von roheisen
US3960546A (en) *	1974-05-22	1976-06-01	United States Steel Corporation	Method for eliminating nose-skulls from steelmaking vessels
US4004920A (en) *	1975-05-05	1977-01-25	United States Steel Corporation	Method of producing low nitrogen steel
JPS51108609A (en) *	1975-03-20	1976-09-27	Sumitomo Metal Ind	Sansowabukitenrono suirenho
JPS5270906A (en) *	1975-10-30	1977-06-13	Nippon Steel Corp	Prevention of slopping of converter
GB1586762A (en) *	1976-05-28	1981-03-25	British Steel Corp	Metal refining method and apparatus

1979
- 1979-02-07 US US06/010,316 patent/US4210442A/en not_active Expired - Lifetime
- 1979-11-06 ZA ZA00795966A patent/ZA795966B/xx unknown
- 1979-11-06 IN IN789/DEL/79A patent/IN153387B/en unknown
- 1979-11-06 GB GB7938375A patent/GB2041410B/en not_active Expired
- 1979-11-06 DE DE2944771A patent/DE2944771C2/de not_active Expired
- 1979-11-08 AU AU52629/79A patent/AU5262979A/en not_active Abandoned
- 1979-11-09 CA CA000339516A patent/CA1141963A/fr not_active Expired
- 1979-11-12 FR FR7927816A patent/FR2448571B1/fr not_active Expired
- 1979-11-12 JP JP14556979A patent/JPS55110714A/ja active Pending
- 1979-11-13 SE SE7909369A patent/SE7909369L/ not_active Application Discontinuation
- 1979-11-13 NO NO793676A patent/NO793676L/no unknown
- 1979-11-13 BE BE0/198099A patent/BE880006A/fr not_active IP Right Cessation
- 1979-11-16 IT IT50849/79A patent/IT1164763B/it active
- 1979-11-19 MX MX180101A patent/MX154122A/es unknown
- 1979-11-19 BR BR7907470A patent/BR7907470A/pt unknown
- 1979-11-19 FI FI793614A patent/FI61520C/fi not_active IP Right Cessation
- 1979-11-20 ES ES486145A patent/ES486145A1/es not_active Expired
- 1979-11-22 NL NL7908518A patent/NL7908518A/nl not_active Application Discontinuation
- 1979-11-26 YU YU02888/79A patent/YU288879A/xx unknown
- 1979-11-26 PL PL21989279A patent/PL219892A1/xx unknown
- 1979-11-29 RO RO7999389A patent/RO78381A/fr unknown
- 1979-12-10 LU LU81971A patent/LU81971A1/fr unknown
- 1979-12-28 PH PH23466A patent/PH15269A/en unknown
1980
- 1980-01-10 KR KR1019800000077A patent/KR850000516B1/ko not_active Expired
- 1980-01-28 DD DD80218687A patent/DD148791A5/de unknown

Also Published As

Publication number	Publication date
ZA795966B (en)	1980-10-29
DE2944771C2 (de)	1982-02-04
NO793676L (no)	1980-08-08
CA1141963A (fr)	1983-03-01
FR2448571A1 (fr)	1980-09-05
RO78381A (fr)	1982-02-26
DE2944771A1 (de)	1980-08-21
IN153387B (fr)	1984-07-14
KR830002043A (ko)	1983-05-21
AU5262979A (en)	1980-08-14
FI61520B (fi)	1982-04-30
FI61520C (fi)	1982-08-10
YU288879A (en)	1982-10-31
BR7907470A (pt)	1981-05-19
NL7908518A (nl)	1980-08-11
GB2041410A (en)	1980-09-10
SE7909369L (sv)	1980-08-08
IT1164763B (it)	1987-04-15
LU81971A1 (fr)	1980-07-01
JPS55110714A (en)	1980-08-26
US4210442A (en)	1980-07-01
BE880006A (fr)	1980-05-13
KR850000516B1 (ko)	1985-04-12
MX154122A (es)	1987-05-20
FR2448571B1 (fr)	1985-10-11
IT7950849A0 (it)	1979-11-16
GB2041410B (en)	1982-11-03
PL219892A1 (fr)	1980-09-08
PH15269A (en)	1982-11-02
FI793614A7 (fi)	1980-08-08
ES486145A1 (es)	1980-06-16

Publication	Publication Date	Title
DD148791A5 (de)	1981-06-10	Verfahren zum frischen von fluessigem stahl
DE2650113A1 (de)	1977-05-26	Entschwefelungsverfahren
DE2737832B2 (de)	1979-09-13	Verwendung von im Querschnitt veränderlichen Blasdüsen zur Herstellung von rostfreien Stählen
DE3247757A1 (de)	1983-07-14	Blaslanze zur pulver-aufblase-veredlung und verfahren zur entkohlung und veredlung (raffination) von stahl unter einsatz derselben
DE2525355A1 (de)	1975-12-18	Verfahren und vorrichtung zum frischen von eisen
DE3850381T2 (de)	1994-10-20	Ofen und verfahren zur reduktion eines chromvorproduktes durch schmelzen.
DE3204632C2 (fr)	1988-04-14
DE60132358T2 (de)	2009-01-02	Sauerstoffblasverfahren und aufwärtsblasende lanze für sauerstoffblaskonverter
DD151077A5 (de)	1981-09-30	Verfahren zur herstellung von stahl
DE3019899C2 (de)	1986-04-30	Verfahren zur Herstellung von Kohlenstoffstahl und niedriglegiertem Stahl in einem basischen Sauerstoffofen und Vorrichtung zur Durchführung des Verfahrens
DE2745704A1 (de)	1978-10-19	Verfahren zum aufsticken von sauerstoffkonverterstahl waehrend des entkohlens
DE69528728T2 (de)	2003-11-20	Verfahren zum Entkohlen chromhaltiger Stahlschmelzen
DE69426921T2 (de)	2001-08-02	Verfahren zum Herstellen von Stählen mit erhöhten Stickstoffgehalten
DE3586970T2 (de)	1993-04-29	Verfahren zum herstellen von stahl in einem aufblaskonverter.
DE3029343A1 (de)	1981-02-26	Konverter-stahlherstellungsverfahren
DE3110569A1 (de)	1982-12-30	Verfahren zur verhinderung des ueberschaeumens beim frischen von roheisen sowie zur erniedrigung des phosphorgehaltes, mittel und vorrichtung zur durchfuehrung des verfahrens
DE2243779C2 (de)	1985-06-27	Verfahren zum Sauerstoff-Wasserstoff-Frischen bei der Herstellung rostfreier Stähle mit hohem Chromgehalt oder Kobalt- oder Nickellegierungen
DE2500497C2 (de)	1977-03-31	Mittel zum entschwefeln von eisenschmelzen und verfahren zu seiner anwendung
DE69604542T2 (de)	2000-04-13	Entkohlungsverfahren für Chrom enthaltende geschmolzene Metalle
EP0175924B1 (fr)	1988-12-28	Procédé pour l'affinage de la fonte
DE2160502A1 (de)	1973-07-05	Verfahren zum frischen von phosphorarmem roheisen zu stahl
DE2759748C2 (de)	1982-07-29	Verfahren zur Herstellung von kohlenstoff- und stickstoffarmen Stahl
DE3134744A1 (de)	1982-04-29	Verfahren zum frischen von stahl
DE2538619A1 (de)	1976-03-11	Verfahren zur steigerung des metalllischen ausbringens bei bodenblasenden frischverfahren
DE2333937C2 (de)	1975-07-17	Verfahren zur Herstellung hochchromhaltiger Stähle mit niedrigstem Kohlenstoffgehalt