FR2780070B1 - METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL - Google Patents

METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL

Info

Publication number
FR2780070B1
FR2780070B1 FR9807849A FR9807849A FR2780070B1 FR 2780070 B1 FR2780070 B1 FR 2780070B1 FR 9807849 A FR9807849 A FR 9807849A FR 9807849 A FR9807849 A FR 9807849A FR 2780070 B1 FR2780070 B1 FR 2780070B1
Authority
FR
France
Prior art keywords
dairy
foaming
bath
covering
fused steel
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.)
Expired - Fee Related
Application number
FR9807849A
Other languages
French (fr)
Other versions
FR2780070A1 (en
Inventor
Alain Ruyant
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.)
Elf Antar France
Original Assignee
Elf Antar France
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
Application filed by Elf Antar France filed Critical Elf Antar France
Priority to FR9807849A priority Critical patent/FR2780070B1/en
Publication of FR2780070A1 publication Critical patent/FR2780070A1/en
Application granted granted Critical
Publication of FR2780070B1 publication Critical patent/FR2780070B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • 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
    • 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
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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
FR9807849A 1998-06-22 1998-06-22 METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL Expired - Fee Related FR2780070B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9807849A FR2780070B1 (en) 1998-06-22 1998-06-22 METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9807849A FR2780070B1 (en) 1998-06-22 1998-06-22 METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL

Publications (2)

Publication Number Publication Date
FR2780070A1 FR2780070A1 (en) 1999-12-24
FR2780070B1 true FR2780070B1 (en) 2001-06-08

Family

ID=9527675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9807849A Expired - Fee Related FR2780070B1 (en) 1998-06-22 1998-06-22 METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL

Country Status (1)

Country Link
FR (1) FR2780070B1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1405755A (en) * 1971-09-01 1975-09-10 Shell Int Research Process for the pelletrization of soot
SE389877B (en) * 1973-01-23 1976-11-22 Asea Ab METHOD AND DEVICE FOR THE MANUFACTURE OF A CARBONED METAL MELT BY MELT REDUCTION WITH THE EXCEPTION OF WHAT IS PROTECTED UNDER PATENT 7205211-1
DE3474568D1 (en) * 1984-06-28 1988-11-17 Thyssen Stahl Ag Method for desulfurizing pig iron
AT396942B (en) * 1991-12-16 1993-12-27 Voest Alpine Ind Anlagen METHOD FOR PRODUCING METAL MELT, IN PARTICULAR STEEL MELT
ATA155793A (en) * 1993-08-04 1996-04-15 Voest Alpine Ind Anlagen METHOD FOR PRODUCING A METAL MELT AND SYSTEM FOR IMPLEMENTING THE METHOD
EP0753586A2 (en) * 1995-06-16 1997-01-15 ELTI S.r.l. Steel production method, particularly for producing steel by means of electric furnaces
DE19622150A1 (en) * 1996-06-01 1997-12-04 Krupp Uhde Gmbh Process for the recovery of heavy metals from the residue of a plant for the partial oxidation of oil
FR2753205B1 (en) * 1996-09-12 1998-12-04 Usinor Sacilor PROCESS FOR PRODUCING A FOAMING SLAG OVER A STAINLESS STEEL MELTING IN AN ELECTRIC OVEN
EP0857792A1 (en) * 1997-01-29 1998-08-12 The Boc Group, Inc. Electric arc furnace slag foaming

Also Published As

Publication number Publication date
FR2780070A1 (en) 1999-12-24

Similar Documents

Publication Publication Date Title
FR2744733B1 (en) STEEL FOR MANUFACTURING FORGED PART AND METHOD FOR MANUFACTURING FORGED PART
FR2774085B3 (en) PROCESS FOR MELTING AND REFINING VITRIFIABLE MATERIALS
FR2761699B1 (en) STEEL AND METHOD FOR MANUFACTURING A BEARING PART
EP0798061A4 (en) Method for controlling the level of molten metal for a continuous casting machine
FR2715069B1 (en) Method for improving the persistence of an odor.
BR9502158A (en) Method for continuous melting of high-carbon steels
FR2741632B1 (en) STEEL FOR MANUFACTURING A FORGED PART HAVING A BATH STRUCTURE AND METHOD FOR MANUFACTURING A PART
GB9608898D0 (en) Method for judging the properties of molten cast iron
FR2806099B1 (en) METHOD FOR CONTROLLING THE STRUCTURE OF A TWO-PHASE STEEL
FR2721640B1 (en) Method of manufacturing reinforcements for reinforced concrete.
FR2764308B1 (en) PROCESS FOR THE MANUFACTURE OF A STEEL FOR LARGE DIMENSION MOLDS
FR2780070B1 (en) METHOD FOR FOAMING A DAIRY COVERING A BATH OF FUSED STEEL
DE69503931T2 (en) Pouring nozzle for molten steel
ZA984163B (en) Method for determining the relationship between the heading of a machine and the course of machine travel
DZ1808A1 (en) Compound smelting bed for steel production.
FR2746208B1 (en) METHOD FOR REPAIRING A BELL-SHAPED PART OF A COMPOSITE INSULATOR
FR2803391B1 (en) METHOD FOR DETERMINING THE DISTANCES OF VISIBILITY OF A TRACK
FR2751004B1 (en) METHOD OF ASSEMBLING SLABS TO CONSTITUTE A FLOOR COVERING AND SLABS FOR IMPLEMENTING THE PROCESS
ZA9711236B (en) Method of producing molten metal.
FR2731238B1 (en) PROCESS FOR LAYING A RAILWAY AND PREFABRICATED SLAB FOR THE IMPLEMENTATION OF THIS PROCESS
FR2776216B1 (en) CONTINUOUS CASTING INSTALLATION, PARTICULARLY FOR STEEL
FR2748039B1 (en) MACHINE FOR CORRECTION OF RAIL PLATFORM
FR2775843B1 (en) METHOD OF PLACING A CABLE UNDER A SLAB
FR2776685B1 (en) PROCESS FOR THE MANUFACTURE OF A LOVELY LOOK
ZA9610640B (en) Method for the aluminothermal production of molten steel

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20080229