LU81971A1 - Utilisation d'argon dans le procede d'affinage d'acier en fusion a l'oxygene basique en vue de controler les projections - Google Patents

Utilisation d'argon dans le procede d'affinage d'acier en fusion a l'oxygene basique en vue de controler les projections Download PDF

Info

Publication number: LU81971A1
Authority: LU; Luxembourg
Prior art keywords: oxygen; container; projections; blowing; inert gas
Prior art date: 1979-02-07

Application number

LU81971A

Other languages

English (en)

French (fr)

Inventor

J Lewis

P Kelly

Original Assignee

Union Carbide 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

1979-12-10

Publication date

1980-07-01

1979-12-10 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1980-07-01 Publication of LU81971A1 publication Critical patent/LU81971A1/fr

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 78
239000001301 oxygen Substances 0.000 title claims description 78
229910052760 oxygen Inorganic materials 0.000 title claims description 78
238000000034 method Methods 0.000 title claims description 27
238000007670 refining Methods 0.000 title claims description 16
230000004927 fusion Effects 0.000 title 1
239000007921 spray Substances 0.000 title 1
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 36
238000007664 blowing Methods 0.000 claims description 35
239000011261 inert gas Substances 0.000 claims description 31
239000000839 emulsion Substances 0.000 claims description 25
229910052786 argon Inorganic materials 0.000 claims description 18
230000015572 biosynthetic process Effects 0.000 claims description 18
229910000831 Steel Inorganic materials 0.000 claims description 6
239000010959 steel Substances 0.000 claims description 6
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
239000007789 gas Substances 0.000 description 9
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
229910052799 carbon Inorganic materials 0.000 description 7
238000004519 manufacturing process Methods 0.000 description 7
229910052757 nitrogen Inorganic materials 0.000 description 6
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
238000005266 casting Methods 0.000 description 5
229910052751 metal Inorganic materials 0.000 description 5
239000002184 metal Substances 0.000 description 5
239000000203 mixture Substances 0.000 description 5
239000002893 slag Substances 0.000 description 5
239000012535 impurity Substances 0.000 description 4
239000007788 liquid Substances 0.000 description 4
239000007787 solid Substances 0.000 description 4
238000004140 cleaning Methods 0.000 description 3
238000002347 injection Methods 0.000 description 3
239000007924 injection Substances 0.000 description 3
239000000463 material Substances 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
235000011941 Tilia x europaea Nutrition 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000001934 delay Effects 0.000 description 2
239000004571 lime Substances 0.000 description 2
229910001338 liquidmetal Inorganic materials 0.000 description 2
239000002245 particle Substances 0.000 description 2
229910052710 silicon Inorganic materials 0.000 description 2
239000010703 silicon 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
229910021529 ammonia Inorganic materials 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
238000005261 decarburization Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000005187 foaming Methods 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
230000007774 longterm Effects 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052754 neon Inorganic materials 0.000 description 1
GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
239000010970 precious metal 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
230000005070 ripening Effects 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
239000003923 scrap metal Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)

LU81971A 1979-02-07 1979-12-10 Utilisation d'argon dans le procede d'affinage d'acier en fusion a l'oxygene basique en vue de controler les projections LU81971A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US1031679		1979-02-07
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
LU81971A1 true LU81971A1 (fr)	1980-07-01

Family

ID=21745186

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
LU81971A LU81971A1 (fr)	1979-02-07	1979-12-10	Utilisation d'argon dans le procede d'affinage d'acier en fusion a l'oxygene basique en vue de controler les projections

Country Status (25)

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

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
US5902557A (en) *	1995-05-30	1999-05-11	Nippon Steel Corporation	Device for purifying exhaust gas of internal combustion engine
US6125133A (en) *	1997-03-18	2000-09-26	Praxair, Inc.	Lance/burner for molten metal furnace
US5814125A (en) *	1997-03-18	1998-09-29	Praxair Technology, Inc.	Method for introducing gas into a liquid
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
BRPI0720287B1 (pt) *	2006-12-15	2017-05-09	Praxair Technology Inc	método de injetar gás inerte no banho localizado dentro de um forno metalúrgico tendo uma atmosfera de forno aquecida.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE609880A (pt) *	1960-11-18
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 DE DE2944771A patent/DE2944771C2/de not_active Expired
- 1979-11-06 GB GB7938375A patent/GB2041410B/en not_active Expired
- 1979-11-06 ZA ZA00795966A patent/ZA795966B/xx unknown
- 1979-11-06 IN IN789/DEL/79A patent/IN153387B/en unknown
- 1979-11-08 AU AU52629/79A patent/AU5262979A/en not_active Abandoned
- 1979-11-09 CA CA000339516A patent/CA1141963A/en 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 NO NO793676A patent/NO793676L/no unknown
- 1979-11-13 SE SE7909369A patent/SE7909369L/ not_active Application Discontinuation
- 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 BR BR7907470A patent/BR7907470A/pt unknown
- 1979-11-19 FI FI793614A patent/FI61520C/fi not_active IP Right Cessation
- 1979-11-19 MX MX180101A patent/MX154122A/es unknown
- 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 PL PL21989279A patent/PL219892A1/xx unknown
- 1979-11-26 YU YU02888/79A patent/YU288879A/xx unknown
- 1979-11-29 RO RO7999389A patent/RO78381A/ro 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
YU288879A (en)	1982-10-31
FR2448571A1 (fr)	1980-09-05
FI61520B (fi)	1982-04-30
BR7907470A (pt)	1981-05-19
IT1164763B (it)	1987-04-15
MX154122A (es)	1987-05-20
JPS55110714A (en)	1980-08-26
FR2448571B1 (fr)	1985-10-11
IN153387B (pt)	1984-07-14
ES486145A1 (es)	1980-06-16
IT7950849A0 (it)	1979-11-16
BE880006A (fr)	1980-05-13
SE7909369L (sv)	1980-08-08
FI61520C (fi)	1982-08-10
DE2944771A1 (de)	1980-08-21
RO78381A (ro)	1982-02-26
PL219892A1 (pt)	1980-09-08
DD148791A5 (de)	1981-06-10
NO793676L (no)	1980-08-08
ZA795966B (en)	1980-10-29
KR830002043A (ko)	1983-05-21
AU5262979A (en)	1980-08-14
DE2944771C2 (de)	1982-02-04
GB2041410A (en)	1980-09-10
PH15269A (en)	1982-11-02
CA1141963A (en)	1983-03-01
US4210442A (en)	1980-07-01
NL7908518A (nl)	1980-08-11
KR850000516B1 (ko)	1985-04-12
FI793614A7 (fi)	1980-08-08
GB2041410B (en)	1982-11-03

Publication	Publication Date	Title
LU81971A1 (fr)	1980-07-01	Utilisation d'argon dans le procede d'affinage d'acier en fusion a l'oxygene basique en vue de controler les projections
EP0029038B1 (fr)	1983-11-30	Produit pour la desulfuration des fontes et aciers
FR2519024A1 (fr)	1983-07-01	Lance pour l'affinage par soufflage de poudre au-dessus d'un bain de metal fondu et procede de decarburation et d'affinage de l'acier avec une telle lance
FR2476140A1 (fr)	1981-08-21	Procede pour la production d'acier a haute teneur en chrome
FR2472613A1 (fr)	1981-07-03	Procede et appareil de separation de laitier et de coulee d'acier
EP0342132A1 (fr)	1989-11-15	Procédé de désulfuration des fontes
EP0032350A2 (fr)	1981-07-22	Procédé d'affinage d'un bain de métal dans un creuset à soufflage d'oxygène par le haut et creuset de mise en oeuvre
FR2772653A1 (fr)	1999-06-25	Reacteur metallurgique, de traitement sous pression reduite d'un metal liquide
EP2918688B1 (fr)	2018-11-28	Procédé de désulfuration d'une fonte liquide, et fil fourré pour sa mise en oeuvre
FR2607829A1 (fr)	1988-06-10	Procede de traitement d'acier en poche
EP0031776B1 (fr)	1983-05-18	Procédé de soufflage mixte pour l'affinage des métaux au convertisseur
EP0028569A1 (fr)	1981-05-13	Procédé de brassage d'un métal en fusion par injection de gaz
EP0536185A1 (fr)	1993-04-14	Procede de rechauffage d'un bain d'acier liquide.
BE493231A (pt)
FR2488620A1 (fr)	1982-02-19	Procede d'elaboration d'acier et acier ainsi obtenu par ledit procede
FR2575094A1 (fr)	1986-06-27	Busette de coulee d'acier fondu
BE478430A (pt)
BE534146A (pt)
FR2472153A1 (fr)	1981-06-26	Dispositif pour ouvrir et fermer le trou de coulee des fours siemens-martin et procede de production d'acier dans des fours de ce type
FR2619396A1 (fr)	1989-02-17	Procede de brassage en poche d'acier a l'aide d'anhydride carbonique
EP0156706A1 (fr)	1985-10-02	Procédé de purification des métaux par insufflation
WO1995010377A1 (fr)	1995-04-20	Procede de reglage de la composition d'un metal liquide tel que l'acier, et installation pour sa mise en ×uvre
FR2551372A1 (fr)	1985-03-08	Procedes pour ajouter des metaux reactifs a des aciers coules en continu
BE893249A (fr)	1982-09-16	Procede d'affinage du fer dans des convertisseurs a l'oxygene avec des additions de matieres contenant du carbonate de sodium
FR2495186A1 (fr)	1982-06-04	Procede de desulfuration de fonte de fer