LU90327B1 - Proc-d- for placing fines in a furnace - arc - Google Patents

Proc-d- for placing fines in a furnace - arc

Info

Publication number: LU90327B1
Authority: LU; Luxembourg
Prior art keywords: fines; proc; furnace; arc; placing
Prior art date: 1998-12-16

Application number

LU90327A

Other languages

French (fr)

Inventor

Jean-Luc Roth

Leon Ulveling

Carlo Heintz

Original Assignee

Wurth Paul Sa

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.)

1998-12-16

Filing date

1998-12-16

Publication date

2000-07-18

1998-12-16 Application filed by Wurth Paul Sa filed Critical Wurth Paul Sa

1998-12-16 Priority to LU90327A priority Critical patent/LU90327B1/en

1999-03-03 Priority to TW088103222A priority patent/TW414853B/en

1999-12-14 Priority to AU32756/00A priority patent/AU3275600A/en

1999-12-14 Priority to PCT/EP1999/009923 priority patent/WO2000036161A2/en

2000-07-18 Application granted granted Critical

2000-07-18 Publication of LU90327B1 publication Critical patent/LU90327B1/en

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)
Furnace Charging Or Discharging (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

LU90327A 1998-12-16 1998-12-16 Proc-d- for placing fines in a furnace - arc LU90327B1 (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
LU90327A LU90327B1 (en)	1998-12-16	1998-12-16	Proc-d- for placing fines in a furnace - arc
TW088103222A TW414853B (en)	1998-12-16	1999-03-03	Method for charging an arc furnace fines
AU32756/00A AU3275600A (en)	1998-12-16	1999-12-14	Method for feeding fines in a light-arc furnace
PCT/EP1999/009923 WO2000036161A2 (en)	1998-12-16	1999-12-14	Method for feeding fines in a light-arc furnace

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
LU90327A LU90327B1 (en)	1998-12-16	1998-12-16	Proc-d- for placing fines in a furnace - arc

Publications (1)

Publication Number	Publication Date
LU90327B1 true LU90327B1 (en)	2000-07-18

Family

ID=19731788

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
LU90327A LU90327B1 (en)	1998-12-16	1998-12-16	Proc-d- for placing fines in a furnace - arc

Country Status (4)

Country	Link
AU (1)	AU3275600A (en)
LU (1)	LU90327B1 (en)
TW (1)	TW414853B (en)
WO (1)	WO2000036161A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10333764B3 (en)	2003-07-23	2004-12-30	Outokumpu Oy	Charging fine, directly-reduced iron particles into arc furnace, passes stream of bulk material from downcomer through orifice plate, to enter furnace largely undisturbed

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4827486A (en) *	1986-08-27	1989-05-02	Klockner Cra Technologie Gmbh	Process for increasing the energy input in electric arc furnaces
US4986847A (en) *	1989-09-20	1991-01-22	Fuchs Systemtechnik Gmbh	Process and apparatus for at least temporarily simultaneously subjecting a molten metal to the action of a gas and fine-grain solid materials
US5611838A (en) *	1993-12-10	1997-03-18	Voest-Alpine Industrieanlagenbau Gmbh	Process for producing an iron melt
DE19648306A1 (en) *	1995-12-21	1997-06-26	Voest Alpine Ind Anlagen	Treatment of shredded scrap light constituents in a melt
DE19744151A1 (en) *	1997-10-07	1999-04-08	Metallgesellschaft Ag	Method for melting fine-grained, directly reduced iron in an electric arc furnace

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5714113A (en) *	1994-08-29	1998-02-03	American Combustion, Inc.	Apparatus for electric steelmaking

1998
- 1998-12-16 LU LU90327A patent/LU90327B1/en active
1999
- 1999-03-03 TW TW088103222A patent/TW414853B/en active
- 1999-12-14 AU AU32756/00A patent/AU3275600A/en not_active Abandoned
- 1999-12-14 WO PCT/EP1999/009923 patent/WO2000036161A2/en active Application Filing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4827486A (en) *	1986-08-27	1989-05-02	Klockner Cra Technologie Gmbh	Process for increasing the energy input in electric arc furnaces
US4986847A (en) *	1989-09-20	1991-01-22	Fuchs Systemtechnik Gmbh	Process and apparatus for at least temporarily simultaneously subjecting a molten metal to the action of a gas and fine-grain solid materials
US5611838A (en) *	1993-12-10	1997-03-18	Voest-Alpine Industrieanlagenbau Gmbh	Process for producing an iron melt
DE19648306A1 (en) *	1995-12-21	1997-06-26	Voest Alpine Ind Anlagen	Treatment of shredded scrap light constituents in a melt
DE19744151A1 (en) *	1997-10-07	1999-04-08	Metallgesellschaft Ag	Method for melting fine-grained, directly reduced iron in an electric arc furnace

Also Published As

Publication number	Publication date
WO2000036161A2 (en)	2000-06-22
AU3275600A (en)	2000-07-03
TW414853B (en)	2000-12-11
WO2000036161A3 (en)	2000-08-31

Publication	Publication Date	Title
DE69834346D1 (en)	2006-06-01	Proteinexpression in baculovirus-vektor expressionsystemen
ZA981575B (en)	1998-09-08	Epothilones which are modified in the side chain
PT1064256E (en)	2004-10-29	BICYCLE [2.2.1] HEPTANS AND RELATED COMPOUNDS
NO996106D0 (en)	1999-12-10	4 "- substituted - 9-deoxo-9A-AZA-9A-Homoerythromycin A derivatives
NO20002677D0 (en)	2000-05-25	polyetheresteramides
NO996108D0 (en)	1999-12-10	9 oksinerytromycinderivater
DE69818488D1 (en)	2003-10-30	COLLECTION
ID19801A (en)	1998-08-06	5'-DEOKSI-SITIDINA
ID27030A (en)	2001-02-22	HYBROMICIN'S DEMONS
DE69811218D1 (en)	2003-03-13	buzzer
DE59803751D1 (en)	2002-05-16	bucket wheel
LU90327B1 (en)	2000-07-18	Proc-d- for placing fines in a furnace - arc
NO996125D0 (en)	1999-12-10	Roer Press Connection
NO20005551D0 (en)	2000-11-03	2 "-deoksyhygromycinderivater
AU7742098A (en)	1998-09-24	Stomach-action molluscicides
ID28848A (en)	2001-07-05	HYBROMICIN'S DEMONS
IT1303051B1 (en)	2000-10-23	CONTAINER ON SHOVEL
GB9816215D0 (en)	1998-09-23	2 In 1 airjack
NO996127D0 (en)	1999-12-10	13-dihydro-3'-aziridino-anthracyclines
TW341758U (en)	1998-10-01	Collecting shovel
CA80050S (en)	1997-02-21	Shovel
CA73811S (en)	1994-01-20	Snow shovel
BR7700049U (en)	1997-09-16	Constructive provision introduced in trash
PL318562A1 (en)	1998-08-31	Winter bicycle
UA1894S (en)	1998-04-30	CONNECTING BLOCK